{ "dataset": "Centennial, CO storm events — 12-month window, 25-mile radius plus Arapahoe records (floods and special weather statements excluded, matching the city page)", "license": "https://www.stormauditor.com/data-license", "provenance": "Consolidated by StormAuditor from public NOAA/NWS records (warnings, Local Storm Reports, NCEI Storm Events) under the published methodology at https://www.stormauditor.com/methodology", "refreshed_at": "2026-09-20T14:15:15.933+00:00", "window_days": 365, "schema_version": "2.0.0", "event_count": 371, "fields": { "id": "stable event identifier (source-derived)", "date": "event date (YYYY-MM-DD, local storm day)", "county": "county or county-equivalent (may be blank)", "city": "place name from the source record (LSR names may carry a distance/direction prefix)", "zip": "ZIP code when the source provides one (may be blank)", "eventType": "hazard tag: wind | hail | tornado | flood | lightning", "severity": "StormAuditor severity bucket (low|moderate|high|severe)", "evidenceLevel": "evidence level of the source record (warning|observed|...)", "confidence": "StormAuditor confidence score for the record (0-1, may be absent)", "windSpeedMph": "reported/estimated wind gust, mph (absent if n/a)", "hailSizeInches": "reported/estimated hail size, inches (absent if n/a)", "tornadoScale": "EF-scale rating when the source provides one (absent if n/a)", "damageTypes": "damage tags from the source narrative (may be absent)", "description": "source narrative excerpt (may be absent)", "source": "originating public record (NWS warning, LSR, NCEI, ...)", "sourceDetail": "issuing office / product detail for the source (may be absent)", "originStation": "reporting station identifier when applicable (may be absent)", "warningProductKey": "NWS warning product key for warning-derived rows (may be absent)", "lat": "event latitude (WGS84, may be blank)", "lon": "event longitude (WGS84, may be blank)", "rawWindSpeedMph": "source-reported wind value before display screening, mph (may be absent)", "windSpeedDisclaimer": "set when the wind value is a warning-projected figure rather than a measurement (may be absent)" }, "events": [ { "id": "nws-alert-5121de8579ab5d07.001-Arapahoe-wind", "zip": "", "city": "Arapahoe", "date": "2026-09-19", "county": "Arapahoe", "source": "NWS Weather Alert", "severity": "high", "eventType": "wind", "confidence": 88, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Severe Thunderstorm Warning for Arapahoe. Severe Thunderstorm Warning issued September 19 at 1:53PM MDT until September 19 at 2:15PM MDT by NWS Denver CO", "sourceDetail": "NWS Denver CO — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "BOU-SV-W-393" }, { "id": "iem-ww-BOU-SV-W-393-Arapahoe-hail-2026-09-19", "zip": "", "city": "Arapahoe", "date": "2026-09-19", "county": "Arapahoe", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "hail", "confidence": 0.72, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning issued by NWS BOU for Arapahoe on 2026-09-19. Storm tag hail: 1\". This is a warning — not a confirmed event.", "sourceDetail": "NWS BOU — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1, "warningProductKey": "BOU-SV-W-393" }, { "id": "iem-ww-BOU-SV-W-394-Arapahoe-wind-2026-09-19", "zip": "", "city": "Arapahoe", "date": "2026-09-19", "county": "Arapahoe", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "wind", "confidence": 0.72, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Severe Thunderstorm Warning issued by NWS BOU for Arapahoe on 2026-09-19. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS BOU — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "BOU-SV-W-394" }, { "id": "iem-ww-BOU-SV-W-394-Arapahoe-hail-2026-09-19", "zip": "", "city": "Arapahoe", "date": "2026-09-19", "county": "Arapahoe", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "hail", "confidence": 0.72, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning issued by NWS BOU for Arapahoe on 2026-09-19. Storm tag hail: 1\". This is a warning — not a confirmed event.", "sourceDetail": "NWS BOU — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1, "warningProductKey": "BOU-SV-W-394" }, { "id": "iem-lsr-2026-09-19-wind-39.68--104.21", "lat": 39.68, "lon": -104.21, "zip": "", "city": "2 SSE Byers", "date": "2026-09-19", "county": "Arapahoe", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Personal weather station.", "sourceDetail": "NWS BOU — Public via Iowa Mesonet", "windSpeedMph": 59, "evidenceLevel": "reported" }, { "id": "spc-2026-09-19-wind-39.69-10", "lat": 39.69, "lon": -104.17, "zip": "", "city": "3.3 ESE Byers", "date": "2026-09-19", "county": "Arapahoe", "source": "SPC Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.93, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "wind reported near 3.3 ESE Byers", "sourceDetail": "SPC filtered reports — 2026-09-19", "windSpeedMph": 66, "evidenceLevel": "reported" }, { "id": "iem-ww-BOU-SV-W-395-Arapahoe-wind-2026-09-19", "zip": "", "city": "Arapahoe", "date": "2026-09-19", "county": "Arapahoe", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "wind", "confidence": 0.72, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Severe Thunderstorm Warning issued by NWS BOU for Arapahoe on 2026-09-19. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS BOU — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "BOU-SV-W-395" }, { "id": "iem-ww-BOU-SV-W-395-Arapahoe-hail-2026-09-19", "zip": "", "city": "Arapahoe", "date": "2026-09-19", "county": "Arapahoe", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "hail", "confidence": 0.72, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning issued by NWS BOU for Arapahoe on 2026-09-19. Storm tag hail: 1\". This is a warning — not a confirmed event.", "sourceDetail": "NWS BOU — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1, "warningProductKey": "BOU-SV-W-395" }, { "id": "asos-APA-2026-09-19-230826", "lat": 39.57, "lon": -104.85, "zip": "", "city": "DENVER/CENTENNIAL", "date": "2026-09-19", "county": "Arapahoe", "source": "IEM ASOS Station", "severity": "moderate", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "DENVER/CENTENNIAL (APA) recorded a 52 mph gust.", "sourceDetail": "CO_ASOS automated observation — DENVER/CENTENNIAL (APA)", "windSpeedMph": 52, "evidenceLevel": "observed" }, { "id": "nws-alert-bcf9df515c061bee.001-Arapahoe-wind", "zip": "", "city": "Arapahoe", "date": "2026-09-19", "county": "Arapahoe", "source": "NWS Weather Alert", "severity": "high", "eventType": "wind", "confidence": 88, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Severe Thunderstorm Warning for Arapahoe. Severe Thunderstorm Warning issued September 19 at 5:55PM MDT until September 19 at 6:30PM MDT by NWS Denver CO", "sourceDetail": "NWS Denver CO — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "BOU-SV-W-400" }, { "id": "asos-DEN-2026-09-18-229513", "lat": 39.8328, "lon": -104.6575, "zip": "", "city": "DENVER INTNL ARPT", "date": "2026-09-18", "county": "Denver", "source": "IEM ASOS Station", "severity": "moderate", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "DENVER INTNL ARPT (DEN) recorded a 52 mph gust.", "sourceDetail": "CO_ASOS automated observation — DENVER INTNL ARPT (DEN)", "windSpeedMph": 52, "evidenceLevel": "observed" }, { "id": "iem-ww-BOU-SV-W-392-Arapahoe-wind-2026-09-18", "zip": "", "city": "Arapahoe", "date": "2026-09-18", "county": "Arapahoe", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "wind", "confidence": 0.72, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Severe Thunderstorm Warning issued by NWS BOU for Arapahoe on 2026-09-18. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS BOU — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "BOU-SV-W-392" }, { "id": "asos-APA-2026-09-06", "lat": 39.57, "lon": -104.85, "zip": "", "city": "DENVER/CENTENNIAL", "date": "2026-09-06", "county": "Arapahoe", "source": "IEM ASOS Station", "severity": "high", "eventType": "wind", "confidence": 95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "DENVER/CENTENNIAL (APA): 59 mph gust at 2026-09-06 22:59.", "sourceDetail": "CO_ASOS automated observation — DENVER/CENTENNIAL (APA) — peak at 2026-09-06 22:59", "windSpeedMph": 59, "evidenceLevel": "observed" }, { "id": "asos-APA-2026-08-31-134028", "lat": 39.57, "lon": -104.85, "zip": "", "city": "DENVER/CENTENNIAL", "date": "2026-08-31", "county": "Arapahoe", "source": "IEM ASOS Station", "severity": "moderate", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "DENVER/CENTENNIAL (APA) recorded a 52 mph gust.", "sourceDetail": "CO_ASOS automated observation — DENVER/CENTENNIAL (APA)", "windSpeedMph": 52, "evidenceLevel": "observed" }, { "id": "ww-BOU-SV-W-377-2026-08-30-Jefferson", "lat": 39.854615384615386, "lon": -105.1853846153846, "zip": "", "city": "", "date": "2026-08-30", "county": "Jefferson", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "wind", "confidence": 70, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Hurricane wind damage" ], "description": "Severe Thunderstorm Warning issued by NWS BOU on 2026-08-30. Duration: 35 min. Counties: Clear Creek, Gilpin, Boulder, Broomfield, Jefferson. Storm tags: wind: 60.0, hail: 0.0\". This is a warning — not a confirmed event.", "sourceDetail": "NWS BOU — Severe Thunderstorm Warning #377 (35 min)", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "BOU-SV-W-377" }, { "id": "ww-BOU-SV-W-377-2026-08-30-Boulder", "lat": 39.854615384615386, "lon": -105.1853846153846, "zip": "", "city": "", "date": "2026-08-30", "county": "Boulder", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "wind", "confidence": 70, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Hurricane wind damage" ], "description": "Severe Thunderstorm Warning issued by NWS BOU on 2026-08-30. Duration: 35 min. Counties: Clear Creek, Gilpin, Boulder, Broomfield, Jefferson. Storm tags: wind: 60.0, hail: 0.0\". This is a warning — not a confirmed event.", "sourceDetail": "NWS BOU — Severe Thunderstorm Warning #377 (35 min)", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "BOU-SV-W-377" }, { "id": "ww-BOU-SV-W-377-2026-08-30-Broomfield", "lat": 39.854615384615386, "lon": -105.1853846153846, "zip": "", "city": "", "date": "2026-08-30", "county": "Broomfield", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "wind", "confidence": 70, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Hurricane wind damage" ], "description": "Severe Thunderstorm Warning issued by NWS BOU on 2026-08-30. Duration: 35 min. Counties: Clear Creek, Gilpin, Boulder, Broomfield, Jefferson. Storm tags: wind: 60.0, hail: 0.0\". This is a warning — not a confirmed event.", "sourceDetail": "NWS BOU — Severe Thunderstorm Warning #377 (35 min)", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "BOU-SV-W-377" }, { "id": "iem-lsr-2026-08-29-wind-39.56--104.85", "lat": 39.56, "lon": -104.85, "zip": "", "city": "3 NE Lone Tree", "date": "2026-08-29", "county": "Douglas", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "AWOS station KAPA 2 SSE Centennial.", "sourceDetail": "NWS BOU — AWOS via Iowa Mesonet", "windSpeedMph": 58, "evidenceLevel": "observed" }, { "id": "asos-APA-2026-08-29-111564", "lat": 39.57, "lon": -104.85, "zip": "", "city": "DENVER/CENTENNIAL", "date": "2026-08-29", "county": "Arapahoe", "source": "IEM ASOS Station", "severity": "high", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "DENVER/CENTENNIAL (APA) recorded a 58 mph gust.", "sourceDetail": "CO_ASOS automated observation — DENVER/CENTENNIAL (APA)", "windSpeedMph": 58, "evidenceLevel": "observed" }, { "id": "asos-APA-2026-08-29", "lat": 39.57, "lon": -104.85, "zip": "", "city": "DENVER/CENTENNIAL", "date": "2026-08-29", "county": "Arapahoe", "source": "IEM ASOS Station", "severity": "moderate", "eventType": "wind", "confidence": 95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "DENVER/CENTENNIAL (APA): 56 mph gust at M.", "sourceDetail": "CO_ASOS automated observation — DENVER/CENTENNIAL (APA) — peak at M", "windSpeedMph": 56, "evidenceLevel": "observed" }, { "id": "iem-202608292255-wind-39.56--104.85", "lat": 39.56, "lon": -104.85, "zip": "", "city": "3 NE Lone Tree", "date": "2026-08-29", "county": "Douglas", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "TSTM WND GST reported near 3 NE Lone Tree, CO. Peak gust: 67 mph.", "sourceDetail": "NWS BOU — AWOS via Iowa Mesonet", "windSpeedMph": 67, "evidenceLevel": "observed" }, { "id": "spc-2026-08-26-8-2300", "lat": 39.49, "lon": -104.91, "zip": "", "city": "Castle Pines", "date": "2026-08-26", "county": "Douglas", "source": "SPC Storm Reports", "severity": "high", "eventType": "hail", "confidence": 90, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "(BOU)", "sourceDetail": "Storm Prediction Center preliminary storm report", "evidenceLevel": "reported", "hailSizeInches": 1.25 }, { "id": "spc-2026-08-26-10-2302", "lat": 39.5, "lon": -104.88, "zip": "", "city": "Castle Pines", "date": "2026-08-26", "county": "Douglas", "source": "SPC Storm Reports", "severity": "high", "eventType": "hail", "confidence": 90, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Time estimated from radar. (BOU)", "sourceDetail": "Storm Prediction Center preliminary storm report", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-08-26-hail-39.48--104.90", "lat": 39.48, "lon": -104.9, "zip": "", "city": "1 NW Castle Pines", "date": "2026-08-26", "county": "Douglas", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "HAIL reported near 1 NW Castle Pines", "sourceDetail": "NWS BOU — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1.25 }, { "id": "iem-lsr-2026-08-26-hail-39.46--104.86", "lat": 39.46, "lon": -104.86, "zip": "", "city": "1 ESE Castle Pines", "date": "2026-08-26", "county": "Douglas", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "HAIL reported near 1 ESE Castle Pines", "sourceDetail": "NWS BOU — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-08-26-hail-39.46--104.85", "lat": 39.46, "lon": -104.85, "zip": "", "city": "2 ESE Castle Pines", "date": "2026-08-26", "county": "Douglas", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Time estimated from radar.", "sourceDetail": "NWS BOU — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1.25 }, { "id": "spc-2026-08-26-13-2308", "lat": 39.57, "lon": -104.66, "zip": "", "city": "Arapahoe Park", "date": "2026-08-26", "county": "Arapahoe", "source": "SPC Storm Reports", "severity": "high", "eventType": "hail", "confidence": 90, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Time estimated from radar. (BOU)", "sourceDetail": "Storm Prediction Center preliminary storm report", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "spc-2026-08-26-15-2311", "lat": 39.57, "lon": -104.67, "zip": "", "city": "Arapahoe Park", "date": "2026-08-26", "county": "Arapahoe", "source": "SPC Storm Reports", "severity": "high", "eventType": "hail", "confidence": 90, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Time estimated from radar. (BOU)", "sourceDetail": "Storm Prediction Center preliminary storm report", "evidenceLevel": "reported", "hailSizeInches": 1.25 }, { "id": "iem-lsr-2026-08-26-hail-39.51--104.82", "lat": 39.51, "lon": -104.82, "zip": "", "city": "3 W Parker", "date": "2026-08-26", "county": "Douglas", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Report from mPING: Dime (0.75 in.).", "sourceDetail": "NWS BOU — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 0.75 }, { "id": "spc-2026-08-26-16-2320", "lat": 39.44, "lon": -104.76, "zip": "", "city": "The Pinery", "date": "2026-08-26", "county": "Douglas", "source": "SPC Storm Reports", "severity": "high", "eventType": "hail", "confidence": 90, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Time estimated from radar. (BOU)", "sourceDetail": "Storm Prediction Center preliminary storm report", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-08-26-hail-39.54--104.81", "lat": 39.54, "lon": -104.81, "zip": "", "city": "3 NW Parker", "date": "2026-08-26", "county": "Douglas", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Report from mPING: Dime (0.75 in.).", "sourceDetail": "NWS BOU — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 0.75 }, { "id": "spc-2026-08-26-17-0012", "lat": 39.62, "lon": -104.76, "zip": "", "city": "Foxfield", "date": "2026-08-26", "county": "Arapahoe", "source": "SPC Storm Reports", "severity": "high", "eventType": "hail", "confidence": 90, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Time estimated from radar. (BOU)", "sourceDetail": "Storm Prediction Center preliminary storm report", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-08-26-hail-39.80--105.08", "lat": 39.8, "lon": -105.08, "zip": "", "city": "2 NE Wheat Ridge", "date": "2026-08-26", "county": "Jefferson", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Report from mPING: Dime (0.75 in.).", "sourceDetail": "NWS BOU — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 0.75 }, { "id": "iem-lsr-2026-08-26-hail-39.72--105.09", "lat": 39.72, "lon": -105.09, "zip": "", "city": "2 NE Lakewood", "date": "2026-08-26", "county": "Jefferson", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Report from mPING: Dime (0.75 in.).", "sourceDetail": "NWS BOU — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 0.75 }, { "id": "spc-2026-08-26-6-0029", "lat": 39.79, "lon": -105.12, "zip": "", "city": "Wheat Ridge", "date": "2026-08-26", "county": "Jefferson", "source": "SPC Storm Reports", "severity": "high", "eventType": "wind", "confidence": 90, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Personal weather station. (BOU)", "sourceDetail": "Storm Prediction Center preliminary storm report", "windSpeedMph": 58, "evidenceLevel": "reported" }, { "id": "iem-ww-BOU-SV-W-358-Arapahoe-wind-2026-08-26", "zip": "", "city": "Arapahoe", "date": "2026-08-26", "county": "Arapahoe", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "wind", "confidence": 0.72, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Severe Thunderstorm Warning issued by NWS BOU for Arapahoe on 2026-08-26. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS BOU — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "BOU-SV-W-358" }, { "id": "iem-ww-BOU-SV-W-358-Arapahoe-hail-2026-08-26", "zip": "", "city": "Arapahoe", "date": "2026-08-26", "county": "Arapahoe", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "hail", "confidence": 0.72, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning issued by NWS BOU for Arapahoe on 2026-08-26. Storm tag hail: 1\". This is a warning — not a confirmed event.", "sourceDetail": "NWS BOU — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1, "warningProductKey": "BOU-SV-W-358" }, { "id": "iem-ww-BOU-SV-W-364-Arapahoe-wind-2026-08-26", "zip": "", "city": "Arapahoe", "date": "2026-08-26", "county": "Arapahoe", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "wind", "confidence": 0.72, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Severe Thunderstorm Warning issued by NWS BOU for Arapahoe on 2026-08-26. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS BOU — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "BOU-SV-W-364" }, { "id": "iem-ww-BOU-SV-W-364-Arapahoe-hail-2026-08-26", "zip": "", "city": "Arapahoe", "date": "2026-08-26", "county": "Arapahoe", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "hail", "confidence": 0.72, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning issued by NWS BOU for Arapahoe on 2026-08-26. Storm tag hail: 1\". This is a warning — not a confirmed event.", "sourceDetail": "NWS BOU — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1, "warningProductKey": "BOU-SV-W-364" }, { "id": "nws-alert-f6868094fcf81886.001-Arapahoe-wind", "zip": "", "city": "Arapahoe", "date": "2026-08-26", "county": "Arapahoe", "source": "NWS Weather Alert", "severity": "high", "eventType": "wind", "confidence": 88, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Severe Thunderstorm Warning for Arapahoe. Severe Thunderstorm Warning issued August 26 at 7:29PM MDT until August 26 at 8:15PM MDT by NWS Denver CO", "sourceDetail": "NWS Denver CO — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "BOU-SV-W-372" }, { "id": "nws-alert-f6868094fcf81886.001-Arapahoe-hail-2026-08-26", "lat": 39.658, "lon": -103.62, "zip": "", "city": "", "date": "2026-08-26", "county": "Arapahoe", "source": "NWS Weather Alert", "severity": "high", "eventType": "hail", "confidence": 88, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning for Arapahoe. Max hail: 1\". Severe Thunderstorm Warning issued August 26 at 7:29PM MDT until August 26 at 8:15PM MDT by NWS Denver CO", "sourceDetail": "NWS Denver CO — Severe Thunderstorm Warning Max hail: 1\".", "evidenceLevel": "warning", "hailSizeInches": 1.75, "warningProductKey": "BOU-SV-W-372" }, { "id": "iem-ww-BOU-SV-W-359-Arapahoe-wind-2026-08-26", "zip": "", "city": "Arapahoe", "date": "2026-08-26", "county": "Arapahoe", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "wind", "confidence": 0.72, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Severe Thunderstorm Warning issued by NWS BOU for Arapahoe on 2026-08-26. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS BOU — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "BOU-SV-W-359" }, { "id": "iem-ww-BOU-SV-W-359-Arapahoe-hail-2026-08-26", "zip": "", "city": "Arapahoe", "date": "2026-08-26", "county": "Arapahoe", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "hail", "confidence": 0.72, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning issued by NWS BOU for Arapahoe on 2026-08-26. Storm tag hail: 1\". This is a warning — not a confirmed event.", "sourceDetail": "NWS BOU — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1, "warningProductKey": "BOU-SV-W-359" }, { "id": "iem-ww-BOU-SV-W-365-Arapahoe-wind-2026-08-26", "zip": "", "city": "Arapahoe", "date": "2026-08-26", "county": "Arapahoe", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "wind", "confidence": 0.72, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Severe Thunderstorm Warning issued by NWS BOU for Arapahoe on 2026-08-26. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS BOU — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "BOU-SV-W-365" }, { "id": "iem-ww-BOU-SV-W-365-Arapahoe-hail-2026-08-26", "zip": "", "city": "Arapahoe", "date": "2026-08-26", "county": "Arapahoe", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "hail", "confidence": 0.72, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning issued by NWS BOU for Arapahoe on 2026-08-26. Storm tag hail: 1.75\". This is a warning — not a confirmed event.", "sourceDetail": "NWS BOU — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1.75, "warningProductKey": "BOU-SV-W-365" }, { "id": "nws-alert-3c4d8d31dcb97b0f.002-Adams-hail-2026-08-26", "lat": 39.68399999999998, "lon": -105.04149999999997, "zip": "", "city": "", "date": "2026-08-26", "county": "Adams", "source": "NWS Weather Alert", "severity": "high", "eventType": "hail", "confidence": 88, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning for Adams. Max hail: 1\". Severe Thunderstorm Warning issued August 26 at 6:53PM MDT until August 26 at 7:15PM MDT by NWS Denver CO", "sourceDetail": "NWS Denver CO — Severe Thunderstorm Warning Max hail: 1\".", "evidenceLevel": "warning", "hailSizeInches": 1, "warningProductKey": "BOU-SV-W-370" }, { "id": "nws-alert-9687413e3f494605.001-Jefferso-hail-2026-08-26", "lat": 39.72666666666667, "lon": -104.99333333333334, "zip": "", "city": "", "date": "2026-08-26", "county": "Jefferson", "source": "NWS Weather Alert", "severity": "high", "eventType": "hail", "confidence": 88, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning for Jefferson. Max hail: 1\". Severe Thunderstorm Warning issued August 26 at 6:37PM MDT until August 26 at 7:15PM MDT by NWS Denver CO", "sourceDetail": "NWS Denver CO — Severe Thunderstorm Warning Max hail: 1\".", "evidenceLevel": "warning", "hailSizeInches": 1, "warningProductKey": "BOU-SV-W-370" }, { "id": "nws-alert-1b37a7eecb7aec4e.001-Denver-wind-2026-08-26", "lat": 39.68399999999998, "lon": -105.04149999999997, "zip": "", "city": "", "date": "2026-08-26", "county": "Denver", "source": "NWS Weather Alert", "severity": "high", "eventType": "wind", "confidence": 88, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Severe Thunderstorm Warning for Denver. Severe Thunderstorm Warning issued August 26 at 7:09PM MDT until August 26 at 7:15PM MDT by NWS Denver CO", "sourceDetail": "NWS Denver CO — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "BOU-SV-W-370" }, { "id": "nws-alert-3c4d8d31dcb97b0f.002-Denver-hail-2026-08-26", "lat": 39.68399999999998, "lon": -105.04149999999997, "zip": "", "city": "", "date": "2026-08-26", "county": "Denver", "source": "NWS Weather Alert", "severity": "high", "eventType": "hail", "confidence": 88, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning for Denver. Max hail: 1\". Severe Thunderstorm Warning issued August 26 at 6:53PM MDT until August 26 at 7:15PM MDT by NWS Denver CO", "sourceDetail": "NWS Denver CO — Severe Thunderstorm Warning Max hail: 1\".", "evidenceLevel": "warning", "hailSizeInches": 1, "warningProductKey": "BOU-SV-W-370" }, { "id": "nws-alert-1b37a7eecb7aec4e.001-Douglas-wind-2026-08-26", "lat": 39.68399999999998, "lon": -105.04149999999997, "zip": "", "city": "", "date": "2026-08-26", "county": "Douglas", "source": "NWS Weather Alert", "severity": "high", "eventType": "wind", "confidence": 88, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Severe Thunderstorm Warning for Douglas. Severe Thunderstorm Warning issued August 26 at 7:09PM MDT until August 26 at 7:15PM MDT by NWS Denver CO", "sourceDetail": "NWS Denver CO — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "BOU-SV-W-370" }, { "id": "nws-alert-3c4d8d31dcb97b0f.002-Douglas-hail-2026-08-26", "lat": 39.68399999999998, "lon": -105.04149999999997, "zip": "", "city": "", "date": "2026-08-26", "county": "Douglas", "source": "NWS Weather Alert", "severity": "high", "eventType": "hail", "confidence": 88, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning for Douglas. Max hail: 1\". Severe Thunderstorm Warning issued August 26 at 6:53PM MDT until August 26 at 7:15PM MDT by NWS Denver CO", "sourceDetail": "NWS Denver CO — Severe Thunderstorm Warning Max hail: 1\".", "evidenceLevel": "warning", "hailSizeInches": 1.5, "warningProductKey": "BOU-SV-W-370" }, { "id": "iem-ww-BOU-SV-W-370-Arapahoe-wind-2026-08-26", "zip": "", "city": "Arapahoe", "date": "2026-08-26", "county": "Arapahoe", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "wind", "confidence": 0.72, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Severe Thunderstorm Warning issued by NWS BOU for Arapahoe on 2026-08-26. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS BOU — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "BOU-SV-W-370" }, { "id": "iem-ww-BOU-SV-W-370-Arapahoe-hail-2026-08-26", "zip": "", "city": "Arapahoe", "date": "2026-08-26", "county": "Arapahoe", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "hail", "confidence": 0.72, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning issued by NWS BOU for Arapahoe on 2026-08-26. Storm tag hail: 1\". This is a warning — not a confirmed event.", "sourceDetail": "NWS BOU — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1, "warningProductKey": "BOU-SV-W-370" }, { "id": "iem-ww-BOU-SV-W-368-Arapahoe-wind-2026-08-26", "zip": "", "city": "Arapahoe", "date": "2026-08-26", "county": "Arapahoe", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "wind", "confidence": 0.72, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Severe Thunderstorm Warning issued by NWS BOU for Arapahoe on 2026-08-26. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS BOU — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "BOU-SV-W-368" }, { "id": "iem-ww-BOU-SV-W-368-Arapahoe-hail-2026-08-26", "zip": "", "city": "Arapahoe", "date": "2026-08-26", "county": "Arapahoe", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "hail", "confidence": 0.72, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning issued by NWS BOU for Arapahoe on 2026-08-26. Storm tag hail: 1\". This is a warning — not a confirmed event.", "sourceDetail": "NWS BOU — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1, "warningProductKey": "BOU-SV-W-368" }, { "id": "iem-ww-BOU-SV-W-367-Arapahoe-wind-2026-08-26", "zip": "", "city": "Arapahoe", "date": "2026-08-26", "county": "Arapahoe", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "wind", "confidence": 0.72, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Severe Thunderstorm Warning issued by NWS BOU for Arapahoe on 2026-08-26. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS BOU — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "BOU-SV-W-367" }, { "id": "iem-ww-BOU-SV-W-367-Arapahoe-hail-2026-08-26", "zip": "", "city": "Arapahoe", "date": "2026-08-26", "county": "Arapahoe", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "hail", "confidence": 0.72, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning issued by NWS BOU for Arapahoe on 2026-08-26. Storm tag hail: 1.25\". This is a warning — not a confirmed event.", "sourceDetail": "NWS BOU — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1.25, "warningProductKey": "BOU-SV-W-367" }, { "id": "iem-ww-BOU-SV-W-369-Arapahoe-wind-2026-08-26", "zip": "", "city": "Arapahoe", "date": "2026-08-26", "county": "Arapahoe", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "wind", "confidence": 0.72, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Severe Thunderstorm Warning issued by NWS BOU for Arapahoe on 2026-08-26. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS BOU — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "BOU-SV-W-369" }, { "id": "iem-ww-BOU-SV-W-369-Arapahoe-hail-2026-08-26", "zip": "", "city": "Arapahoe", "date": "2026-08-26", "county": "Arapahoe", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "hail", "confidence": 0.72, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning issued by NWS BOU for Arapahoe on 2026-08-26. Storm tag hail: 1\". This is a warning — not a confirmed event.", "sourceDetail": "NWS BOU — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1, "warningProductKey": "BOU-SV-W-369" }, { "id": "nws-alert-10f2aa1ebd8c3ffc.002-Arapahoe-wind-2026-08-26", "zip": "", "city": "", "date": "2026-08-26", "county": "Arapahoe", "source": "NWS Weather Alert", "severity": "high", "eventType": "wind", "confidence": 72, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Severe Thunderstorm Watch for Arapahoe. Severe Thunderstorm Watch issued August 26 at 8:26PM MDT until August 26 at 11:00PM MDT by NWS Denver CO", "sourceDetail": "NWS Denver CO — Severe Thunderstorm Watch", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "BOU-SV-A-629" }, { "id": "spc-2026-08-22-28-2031", "lat": 39.6, "lon": -104.69, "zip": "", "city": "Arapahoe Park", "date": "2026-08-22", "county": "Arapahoe", "source": "SPC Storm Reports", "severity": "high", "eventType": "hail", "confidence": 90, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Report from mPING: Quarter (1.00 in.). (BOU)", "sourceDetail": "Storm Prediction Center preliminary storm report", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "spc-2026-08-22-29-2045", "lat": 39.69, "lon": -104.55, "zip": "", "city": "Watkins", "date": "2026-08-22", "county": "Arapahoe", "source": "SPC Storm Reports", "severity": "high", "eventType": "hail", "confidence": 90, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Time estimated from radar. (BOU)", "sourceDetail": "Storm Prediction Center preliminary storm report", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "spc-2026-08-22-30-2050", "lat": 39.66, "lon": -104.56, "zip": "", "city": "Watkins", "date": "2026-08-22", "county": "Arapahoe", "source": "SPC Storm Reports", "severity": "high", "eventType": "hail", "confidence": 90, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "(BOU)", "sourceDetail": "Storm Prediction Center preliminary storm report", "evidenceLevel": "reported", "hailSizeInches": 1.5 }, { "id": "iem-lsr-2026-08-22-wind-39.68--104.62", "lat": 39.68, "lon": -104.62, "zip": "", "city": "5 S Watkins", "date": "2026-08-22", "county": "Arapahoe", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Weather station XL418.", "sourceDetail": "NWS BOU — Mesonet via Iowa Mesonet", "windSpeedMph": 67, "evidenceLevel": "observed" }, { "id": "spc-2026-08-22-19-2042", "lat": 39.66, "lon": -104.56, "zip": "", "city": "Watkins", "date": "2026-08-22", "county": "Arapahoe", "source": "SPC Storm Reports", "severity": "high", "eventType": "wind", "confidence": 90, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Time estimated from radar. (BOU)", "sourceDetail": "Storm Prediction Center preliminary storm report", "windSpeedMph": 70, "evidenceLevel": "reported" }, { "id": "spc-2026-08-22-20-2044", "lat": 39.69, "lon": -104.61, "zip": "", "city": "Watkins", "date": "2026-08-22", "county": "Arapahoe", "source": "SPC Storm Reports", "severity": "high", "eventType": "wind", "confidence": 90, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "(BOU)", "sourceDetail": "Storm Prediction Center preliminary storm report", "windSpeedMph": 58, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-08-22-wind-39.67--104.53", "lat": 39.67, "lon": -104.53, "zip": "", "city": "6 S Manila Village", "date": "2026-08-22", "county": "Arapahoe", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Weather Station XL131.", "sourceDetail": "NWS BOU — Mesonet via Iowa Mesonet", "windSpeedMph": 60, "evidenceLevel": "observed" }, { "id": "asos-DEN-2026-08-22-37518", "lat": 39.8328, "lon": -104.6575, "zip": "", "city": "DENVER INTNL ARPT", "date": "2026-08-22", "county": "Denver", "source": "IEM ASOS Station", "severity": "moderate", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "DENVER INTNL ARPT (DEN) recorded a 53 mph gust.", "sourceDetail": "CO_ASOS automated observation — DENVER INTNL ARPT (DEN)", "windSpeedMph": 53, "evidenceLevel": "observed" }, { "id": "iem-ww-BOU-SV-W-347-Arapahoe-wind-2026-08-22", "zip": "", "city": "Arapahoe", "date": "2026-08-22", "county": "Arapahoe", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "wind", "confidence": 0.72, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Severe Thunderstorm Warning issued by NWS BOU for Arapahoe on 2026-08-22. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS BOU — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "BOU-SV-W-347" }, { "id": "iem-ww-BOU-SV-W-347-Arapahoe-hail-2026-08-22", "zip": "", "city": "Arapahoe", "date": "2026-08-22", "county": "Arapahoe", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "hail", "confidence": 0.72, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning issued by NWS BOU for Arapahoe on 2026-08-22. Storm tag hail: 1.25\". This is a warning — not a confirmed event.", "sourceDetail": "NWS BOU — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1.25, "warningProductKey": "BOU-SV-W-347" }, { "id": "asos-DEN-2026-08-21", "lat": 39.8328, "lon": -104.6575, "zip": "", "city": "DENVER INTNL ARPT", "date": "2026-08-21", "county": "Denver", "source": "IEM ASOS Station", "severity": "moderate", "eventType": "wind", "confidence": 95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "DENVER INTNL ARPT (DEN): 53 mph gust at 2026-08-21 23:14.", "sourceDetail": "CO_ASOS automated observation — DENVER INTNL ARPT (DEN) — peak at 2026-08-21 23:14", "windSpeedMph": 53, "evidenceLevel": "observed" }, { "id": "asos-APA-2026-08-21", "lat": 39.57, "lon": -104.85, "zip": "", "city": "DENVER/CENTENNIAL", "date": "2026-08-21", "county": "Arapahoe", "source": "IEM ASOS Station", "severity": "moderate", "eventType": "wind", "confidence": 95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "DENVER/CENTENNIAL (APA): 29 mph gust, peak gust 53 mph at 2026-08-21 23:07.", "sourceDetail": "CO_ASOS automated observation — DENVER/CENTENNIAL (APA) — peak at 2026-08-21 23:07", "windSpeedMph": 53, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-08-16-hail-39.39--104.67", "lat": 39.39, "lon": -104.67, "zip": "", "city": "2 W Ponderosa Park", "date": "2026-08-16", "county": "Douglas", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Report from mPING: Dime (0.75 in.).", "sourceDetail": "NWS BOU — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 0.75 }, { "id": "spc-2026-08-15-58-2019", "lat": 39.57, "lon": -104.8, "zip": "", "city": "Foxfield", "date": "2026-08-15", "county": "Arapahoe", "source": "SPC Storm Reports", "severity": "high", "eventType": "hail", "confidence": 90, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Some hail of up to golf ball size. (BOU)", "sourceDetail": "Storm Prediction Center preliminary storm report", "evidenceLevel": "reported", "hailSizeInches": 1.75 }, { "id": "iem-lsr-2026-08-15-wind-39.56--104.85", "lat": 39.56, "lon": -104.85, "zip": "", "city": "3 NE Lone Tree", "date": "2026-08-15", "county": "Douglas", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "AWOS station KAPA 2 SSE Centennial.", "sourceDetail": "NWS BOU — AWOS via Iowa Mesonet", "windSpeedMph": 64, "evidenceLevel": "observed" }, { "id": "iem-ww-BOU-SV-W-322-Arapahoe-wind-2026-08-15", "zip": "", "city": "Arapahoe", "date": "2026-08-15", "county": "Arapahoe", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "wind", "confidence": 0.72, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Severe Thunderstorm Warning issued by NWS BOU for Arapahoe on 2026-08-15. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS BOU — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "BOU-SV-W-322" }, { "id": "iem-ww-BOU-SV-W-322-Arapahoe-hail-2026-08-15", "zip": "", "city": "Arapahoe", "date": "2026-08-15", "county": "Arapahoe", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "hail", "confidence": 0.72, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning issued by NWS BOU for Arapahoe on 2026-08-15. Storm tag hail: 1\". This is a warning — not a confirmed event.", "sourceDetail": "NWS BOU — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1, "warningProductKey": "BOU-SV-W-322" }, { "id": "iem-ww-BOU-SV-W-324-Arapahoe-wind-2026-08-15", "zip": "", "city": "Arapahoe", "date": "2026-08-15", "county": "Arapahoe", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "wind", "confidence": 0.72, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Severe Thunderstorm Warning issued by NWS BOU for Arapahoe on 2026-08-15. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS BOU — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "BOU-SV-W-324" }, { "id": "iem-ww-BOU-SV-W-324-Arapahoe-hail-2026-08-15", "zip": "", "city": "Arapahoe", "date": "2026-08-15", "county": "Arapahoe", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "hail", "confidence": 0.72, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning issued by NWS BOU for Arapahoe on 2026-08-15. Storm tag hail: 1\". This is a warning — not a confirmed event.", "sourceDetail": "NWS BOU — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1, "warningProductKey": "BOU-SV-W-324" }, { "id": "iem-ww-BOU-SV-W-323-Arapahoe-wind-2026-08-15", "zip": "", "city": "Arapahoe", "date": "2026-08-15", "county": "Arapahoe", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "wind", "confidence": 0.72, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Severe Thunderstorm Warning issued by NWS BOU for Arapahoe on 2026-08-15. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS BOU — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "BOU-SV-W-323" }, { "id": "iem-ww-BOU-SV-W-323-Arapahoe-hail-2026-08-15", "zip": "", "city": "Arapahoe", "date": "2026-08-15", "county": "Arapahoe", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "hail", "confidence": 0.72, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning issued by NWS BOU for Arapahoe on 2026-08-15. Storm tag hail: 1\". This is a warning — not a confirmed event.", "sourceDetail": "NWS BOU — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1, "warningProductKey": "BOU-SV-W-323" }, { "id": "asos-APA-2026-08-15-6592", "lat": 39.57, "lon": -104.85, "zip": "", "city": "DENVER/CENTENNIAL", "date": "2026-08-15", "county": "Arapahoe", "source": "IEM ASOS Station", "severity": "high", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "DENVER/CENTENNIAL (APA) recorded a 64 mph gust.", "sourceDetail": "CO_ASOS automated observation — DENVER/CENTENNIAL (APA)", "windSpeedMph": 64, "evidenceLevel": "observed" }, { "id": "asos-BKF-2026-08-15-6875", "lat": 39.7017, "lon": -104.7517, "zip": "", "city": "BUCKLEY ANGB/DENVER", "date": "2026-08-15", "county": "Arapahoe", "source": "IEM ASOS Station", "severity": "high", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "BUCKLEY ANGB/DENVER (BKF) recorded a 59 mph gust.", "sourceDetail": "CO_ASOS automated observation — BUCKLEY ANGB/DENVER (BKF)", "windSpeedMph": 59, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-08-14-hail-39.65--104.99", "lat": 39.65, "lon": -104.99, "zip": "", "city": "Englewood", "date": "2026-08-14", "county": "Arapahoe", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "HAIL reported near Englewood", "sourceDetail": "NWS BOU — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-08-14-hail-39.69--105.00", "lat": 39.69, "lon": -105, "zip": "", "city": "3 N Englewood", "date": "2026-08-14", "county": "Denver", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Report from mPING: Dime (0.75 in.).", "sourceDetail": "NWS BOU — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 0.75 }, { "id": "spc-2026-08-14-wind-39.36-27", "lat": 39.36, "lon": -104.63, "zip": "", "city": "2 W Elizabeth", "date": "2026-08-14", "county": "Elbert", "source": "SPC Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.93, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "wind reported near 2 W Elizabeth", "sourceDetail": "SPC filtered reports — 2026-08-14", "windSpeedMph": 62, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-08-14-wind-39.68--104.12", "lat": 39.68, "lon": -104.12, "zip": "", "city": "6 ESE Byers", "date": "2026-08-14", "county": "Arapahoe", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Mesonet station UP705 6.0 NW Deer Trail (UPR).", "sourceDetail": "NWS BOU — Mesonet via Iowa Mesonet", "windSpeedMph": 56, "evidenceLevel": "observed" }, { "id": "iem-ww-BOU-SV-W-319-Arapahoe-wind-2026-08-14", "zip": "", "city": "Arapahoe", "date": "2026-08-14", "county": "Arapahoe", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "wind", "confidence": 0.72, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Severe Thunderstorm Warning issued by NWS BOU for Arapahoe on 2026-08-14. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS BOU — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "BOU-SV-W-319" }, { "id": "iem-ww-BOU-SV-W-319-Arapahoe-hail-2026-08-14", "zip": "", "city": "Arapahoe", "date": "2026-08-14", "county": "Arapahoe", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "hail", "confidence": 0.72, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning issued by NWS BOU for Arapahoe on 2026-08-14. Storm tag hail: 1\". This is a warning — not a confirmed event.", "sourceDetail": "NWS BOU — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1, "warningProductKey": "BOU-SV-W-319" }, { "id": "iem-ww-BOU-SV-W-316-Arapahoe-wind-2026-08-14", "zip": "", "city": "Arapahoe", "date": "2026-08-14", "county": "Arapahoe", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "wind", "confidence": 0.72, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Severe Thunderstorm Warning issued by NWS BOU for Arapahoe on 2026-08-14. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS BOU — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "BOU-SV-W-316" }, { "id": "iem-ww-BOU-SV-W-316-Arapahoe-hail-2026-08-14", "zip": "", "city": "Arapahoe", "date": "2026-08-14", "county": "Arapahoe", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "hail", "confidence": 0.72, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning issued by NWS BOU for Arapahoe on 2026-08-14. Storm tag hail: 1\". This is a warning — not a confirmed event.", "sourceDetail": "NWS BOU — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1, "warningProductKey": "BOU-SV-W-316" }, { "id": "iem-ww-BOU-SV-W-317-Arapahoe-wind-2026-08-14", "zip": "", "city": "Arapahoe", "date": "2026-08-14", "county": "Arapahoe", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "wind", "confidence": 0.72, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Severe Thunderstorm Warning issued by NWS BOU for Arapahoe on 2026-08-14. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS BOU — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "BOU-SV-W-317" }, { "id": "iem-ww-BOU-SV-W-317-Arapahoe-hail-2026-08-14", "zip": "", "city": "Arapahoe", "date": "2026-08-14", "county": "Arapahoe", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "hail", "confidence": 0.72, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning issued by NWS BOU for Arapahoe on 2026-08-14. Storm tag hail: 1\". This is a warning — not a confirmed event.", "sourceDetail": "NWS BOU — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1, "warningProductKey": "BOU-SV-W-317" }, { "id": "spc-2026-08-14-torn-39.83-1", "lat": 39.83, "lon": -104.89, "zip": "", "city": "2 ENE Commerce City", "date": "2026-08-14", "county": "Adams", "source": "SPC Storm Reports", "severity": "severe", "eventType": "tornado", "confidence": 0.93, "damageTypes": [ "Structural roof failure", "Debris penetration", "Complete shingle removal" ], "description": "tornado reported near 2 ENE Commerce City", "sourceDetail": "SPC filtered reports — 2026-08-14", "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-08-13-hail-39.59--104.81", "lat": 39.59, "lon": -104.81, "zip": "", "city": "1 WNW Foxfield", "date": "2026-08-13", "county": "Arapahoe", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "2 to 3 feet deep hail drifts. Hail accumulation up to 3 inches in yards with most leaves stripped from trees. Quarter size hail found approximately an hour after hail fell. Time estimated by radar.", "sourceDetail": "NWS BOU — Broadcast Media via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-08-13-hail-39.60--104.86", "lat": 39.6, "lon": -104.86, "zip": "", "city": "1 NE Centennial", "date": "2026-08-13", "county": "Arapahoe", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Report from mPING: Dime (0.75 in.).", "sourceDetail": "NWS BOU — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 0.75 }, { "id": "spc-2026-08-13-hail-39.59-4", "lat": 39.59, "lon": -104.87, "zip": "", "city": "Centennial", "date": "2026-08-13", "county": "Arapahoe", "source": "SPC Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.93, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "hail reported near Centennial", "sourceDetail": "SPC filtered reports — 2026-08-13", "evidenceLevel": "reported", "hailSizeInches": 1.25 }, { "id": "iem-lsr-2026-08-13-hail-39.62--104.80", "lat": 39.62, "lon": -104.8, "zip": "", "city": "2 NNW Foxfield", "date": "2026-08-13", "county": "Arapahoe", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "HAIL reported near 2 NNW Foxfield", "sourceDetail": "NWS BOU — Cocorahs via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1.5 }, { "id": "iem-lsr-2026-08-13-hail-39.61--104.80", "lat": 39.61, "lon": -104.8, "zip": "", "city": "2 NNW Foxfield", "date": "2026-08-13", "county": "Arapahoe", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "HAIL reported near 2 NNW Foxfield", "sourceDetail": "NWS BOU — Trained Spotter via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1.5 }, { "id": "iem-lsr-2026-08-13-hail-39.64--104.74", "lat": 39.64, "lon": -104.74, "zip": "", "city": "3 W Arapahoe Park", "date": "2026-08-13", "county": "Arapahoe", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Report from mPING: Dime (0.75 in.).", "sourceDetail": "NWS BOU — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 0.75 }, { "id": "iem-lsr-2026-08-13-hail-39.63--104.73", "lat": 39.63, "lon": -104.73, "zip": "", "city": "2 W Arapahoe Park", "date": "2026-08-13", "county": "Arapahoe", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Also reported dents on metal roof vents_ and a significant amount of leaves stripped from trees.", "sourceDetail": "NWS BOU — Trained Spotter via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "spc-2026-08-13-hail-39.62-5", "lat": 39.62, "lon": -104.73, "zip": "", "city": "2 W Arapahoe Park", "date": "2026-08-13", "county": "Arapahoe", "source": "SPC Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.93, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "hail reported near 2 W Arapahoe Park", "sourceDetail": "SPC filtered reports — 2026-08-13", "evidenceLevel": "reported", "hailSizeInches": 1.75 }, { "id": "iem-lsr-2026-08-13-hail-39.63--104.70", "lat": 39.63, "lon": -104.7, "zip": "", "city": "1 W Arapahoe Park", "date": "2026-08-13", "county": "Arapahoe", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Report from mPING: Quarter (1.00 in.).", "sourceDetail": "NWS BOU — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-ww-BOU-SV-W-304-Arapahoe-wind-2026-08-13", "zip": "", "city": "Arapahoe", "date": "2026-08-13", "county": "Arapahoe", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "wind", "confidence": 0.72, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Severe Thunderstorm Warning issued by NWS BOU for Arapahoe on 2026-08-13. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS BOU — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "BOU-SV-W-304" }, { "id": "iem-ww-BOU-SV-W-304-Arapahoe-hail-2026-08-13", "zip": "", "city": "Arapahoe", "date": "2026-08-13", "county": "Arapahoe", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "hail", "confidence": 0.72, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning issued by NWS BOU for Arapahoe on 2026-08-13. Storm tag hail: 1.5\". This is a warning — not a confirmed event.", "sourceDetail": "NWS BOU — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1.5, "warningProductKey": "BOU-SV-W-304" }, { "id": "nws-alert-3aa11c552e121e83.001-Arapahoe-wind", "zip": "", "city": "Arapahoe", "date": "2026-08-13", "county": "Arapahoe", "source": "NWS Weather Alert", "severity": "high", "eventType": "wind", "confidence": 88, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Severe Thunderstorm Warning for Arapahoe. Severe Thunderstorm Warning issued August 13 at 4:08PM MDT until August 13 at 4:30PM MDT by NWS Denver CO", "sourceDetail": "NWS Denver CO — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "BOU-SV-W-303" }, { "id": "iem-ww-BOU-SV-W-303-Arapahoe-hail-2026-08-13", "zip": "", "city": "Arapahoe", "date": "2026-08-13", "county": "Arapahoe", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "hail", "confidence": 0.72, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning issued by NWS BOU for Arapahoe on 2026-08-13. Storm tag hail: 1.5\". This is a warning — not a confirmed event.", "sourceDetail": "NWS BOU — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1.5, "warningProductKey": "BOU-SV-W-303" }, { "id": "asos-DEN-2026-07-30", "lat": 39.8328, "lon": -104.6575, "zip": "", "city": "DENVER INTNL ARPT", "date": "2026-07-30", "county": "Denver", "source": "IEM ASOS Station", "severity": "moderate", "eventType": "wind", "confidence": 95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "DENVER INTNL ARPT (DEN): 51 mph gust at 2026-07-30 22:37.", "sourceDetail": "CO_ASOS automated observation — DENVER INTNL ARPT (DEN) — peak at 2026-07-30 22:37", "windSpeedMph": 51, "evidenceLevel": "observed" }, { "id": "nws-alert-66c4354398c259c9.001-Arapahoe-wind-2026-07-29", "lat": 39.75545454545455, "lon": -104.29454545454547, "zip": "", "city": "", "date": "2026-07-29", "county": "Arapahoe", "source": "NWS Weather Alert", "severity": "high", "eventType": "wind", "confidence": 88, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Severe Thunderstorm Warning for Arapahoe. Severe Thunderstorm Warning issued July 29 at 4:10PM MDT until July 29 at 4:15PM MDT by NWS Denver CO", "sourceDetail": "NWS Denver CO — Severe Thunderstorm Warning", "windSpeedMph": 70, "evidenceLevel": "warning", "warningProductKey": "BOU-SV-W-289" }, { "id": "iem-ww-BOU-SV-W-289-Arapahoe-hail-2026-07-29", "zip": "", "city": "Arapahoe", "date": "2026-07-29", "county": "Arapahoe", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "hail", "confidence": 0.72, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning issued by NWS BOU for Arapahoe on 2026-07-29. Storm tag hail: 1\". This is a warning — not a confirmed event.", "sourceDetail": "NWS BOU — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1, "warningProductKey": "BOU-SV-W-289" }, { "id": "iem-lsr-2026-07-28-hail-39.41--104.89", "lat": 39.41, "lon": -104.89, "zip": "", "city": "3 NW Castle Rock", "date": "2026-07-28", "county": "Douglas", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Report from mPING: Dime (0.75 in.).", "sourceDetail": "NWS BOU — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 0.75 }, { "id": "spc-2026-07-28-32-2016", "lat": 39.41, "lon": -104.89, "zip": "", "city": "Castle Rock", "date": "2026-07-28", "county": "Douglas", "source": "SPC Storm Reports", "severity": "high", "eventType": "hail", "confidence": 90, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Report from mPING: Quarter (1.00 in.). (BOU)", "sourceDetail": "Storm Prediction Center verified report", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "spc-2026-07-28-8-2005", "lat": 39.43, "lon": -104.53, "zip": "", "city": "Elizabeth", "date": "2026-07-28", "county": "Elbert", "source": "SPC Storm Reports", "severity": "high", "eventType": "wind", "confidence": 90, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Personal weather station. (BOU)", "sourceDetail": "Storm Prediction Center verified report", "windSpeedMph": 60, "evidenceLevel": "reported" }, { "id": "spc-2026-07-28-10-2102", "lat": 39.69, "lon": -104.58, "zip": "", "city": "Watkins", "date": "2026-07-28", "county": "Arapahoe", "source": "SPC Storm Reports", "severity": "high", "eventType": "wind", "confidence": 90, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "(BOU)", "sourceDetail": "Storm Prediction Center verified report", "windSpeedMph": 66, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-07-28-wind-39.61--104.51", "lat": 39.61, "lon": -104.51, "zip": "", "city": "10 E Arapahoe Park", "date": "2026-07-28", "county": "Arapahoe", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Mesonet station AV686 Bennett.", "sourceDetail": "NWS BOU — Mesonet via Iowa Mesonet", "windSpeedMph": 58, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-07-28-wind-39.69--104.50", "lat": 39.69, "lon": -104.5, "zip": "", "city": "5 S Manila Village", "date": "2026-07-28", "county": "Arapahoe", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Mesonet station AX443 BENNETT.", "sourceDetail": "NWS BOU — Mesonet via Iowa Mesonet", "windSpeedMph": 58, "evidenceLevel": "observed" }, { "id": "spc-2026-07-28-13-2110", "lat": 39.67, "lon": -104.53, "zip": "", "city": "Manila Village", "date": "2026-07-28", "county": "Arapahoe", "source": "SPC Storm Reports", "severity": "high", "eventType": "wind", "confidence": 90, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Personal weather station. (BOU)", "sourceDetail": "Storm Prediction Center verified report", "windSpeedMph": 61, "evidenceLevel": "reported" }, { "id": "nws-alert-7ce5a51139d4d5b9.001-Douglas-wind-2026-07-28", "lat": 39.56, "lon": -104.58250000000001, "zip": "", "city": "", "date": "2026-07-28", "county": "Douglas", "source": "NWS Weather Alert", "severity": "high", "eventType": "wind", "confidence": 88, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Severe Thunderstorm Warning for Douglas. Max wind: 60 mph. Severe Thunderstorm Warning issued July 28 at 3:05PM MDT until July 28 at 3:30PM MDT by NWS Denver CO", "sourceDetail": "NWS Denver CO — Severe Thunderstorm Warning Max wind: 60 mph.", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "BOU-SV-W-270" }, { "id": "nws-alert-7ce5a51139d4d5b9.001-Douglas-hail-2026-07-28", "lat": 39.56, "lon": -104.58250000000001, "zip": "", "city": "", "date": "2026-07-28", "county": "Douglas", "source": "NWS Weather Alert", "severity": "high", "eventType": "hail", "confidence": 88, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning for Douglas. Max hail: 1\". Severe Thunderstorm Warning issued July 28 at 3:05PM MDT until July 28 at 3:30PM MDT by NWS Denver CO", "sourceDetail": "NWS Denver CO — Severe Thunderstorm Warning Max hail: 1\".", "evidenceLevel": "warning", "hailSizeInches": 1, "warningProductKey": "BOU-SV-W-270" }, { "id": "nws-alert-0cef4e530bfbd94b.001-Arapahoe-wind-2026-07-28", "lat": 39.607000000000006, "lon": -104.49000000000001, "zip": "", "city": "", "date": "2026-07-28", "county": "Arapahoe", "source": "NWS Weather Alert", "severity": "high", "eventType": "wind", "confidence": 88, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Severe Thunderstorm Warning for Arapahoe. Severe Thunderstorm Warning issued July 28 at 3:30PM MDT until July 28 at 3:30PM MDT by NWS Denver CO", "sourceDetail": "NWS Denver CO — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "BOU-SV-W-270" }, { "id": "nws-alert-47e894dba81557da.002-Arapahoe-hail-2026-07-28", "lat": 39.607000000000006, "lon": -104.49000000000001, "zip": "", "city": "", "date": "2026-07-28", "county": "Arapahoe", "source": "NWS Weather Alert", "severity": "high", "eventType": "hail", "confidence": 88, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning for Arapahoe. Max hail: 1\". Severe Thunderstorm Warning issued July 28 at 3:18PM MDT until July 28 at 3:30PM MDT by NWS Denver CO", "sourceDetail": "NWS Denver CO — Severe Thunderstorm Warning Max hail: 1\".", "evidenceLevel": "warning", "hailSizeInches": 1, "warningProductKey": "BOU-SV-W-270" }, { "id": "iem-lsr-2026-07-22-wind-39.85--104.65", "lat": 39.85, "lon": -104.65, "zip": "", "city": "2 SE Denver Intl Airpor", "date": "2026-07-22", "county": "Denver", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Corrects previous non-tstm wnd gst report from 2 SE Denver Intl Airport. ASOS station KDEN Denver Intl Airport.", "sourceDetail": "NWS BOU — ASOS via Iowa Mesonet", "windSpeedMph": 62, "evidenceLevel": "observed" }, { "id": "iem-ww-BOU-SV-W-259-Arapahoe-wind-2026-07-22", "zip": "", "city": "Arapahoe", "date": "2026-07-22", "county": "Arapahoe", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "wind", "confidence": 0.72, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Severe Thunderstorm Warning issued by NWS BOU for Arapahoe on 2026-07-22. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS BOU — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "BOU-SV-W-259" }, { "id": "asos-DEN-2026-07-22-7882", "lat": 39.8328, "lon": -104.6575, "zip": "", "city": "DENVER INTNL ARPT", "date": "2026-07-22", "county": "Denver", "source": "IEM ASOS Station", "severity": "high", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "DENVER INTNL ARPT (DEN) recorded a 62 mph gust.", "sourceDetail": "CO_ASOS automated observation — DENVER INTNL ARPT (DEN)", "windSpeedMph": 62, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-07-10-wind-39.85--104.66", "lat": 39.85, "lon": -104.66, "zip": "", "city": "2 SE Denver Intl Airpor", "date": "2026-07-10", "county": "Denver", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Corrects previous tstm wnd gst report from 2 SE Denver Intl Airport.", "sourceDetail": "NWS BOU — ASOS via Iowa Mesonet", "windSpeedMph": 72, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-07-10-wind-39.85--104.66", "lat": 39.85, "lon": -104.66, "zip": "", "city": "2 SE Denver Intl Airpor", "date": "2026-07-10", "county": "Denver", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "TSTM WND GST reported near 2 SE Denver Intl Airpor", "sourceDetail": "NWS BOU — ASOS via Iowa Mesonet", "windSpeedMph": 73, "evidenceLevel": "observed" }, { "id": "iem-ww-BOU-SV-W-253-Arapahoe-wind-2026-07-10", "zip": "", "city": "Arapahoe", "date": "2026-07-10", "county": "Arapahoe", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "wind", "confidence": 0.72, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Severe Thunderstorm Warning issued by NWS BOU for Arapahoe on 2026-07-10. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS BOU — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "BOU-SV-W-253" }, { "id": "iem-ww-BOU-SV-W-253-Arapahoe-hail-2026-07-10", "zip": "", "city": "Arapahoe", "date": "2026-07-10", "county": "Arapahoe", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "hail", "confidence": 0.72, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning issued by NWS BOU for Arapahoe on 2026-07-10. Storm tag hail: 1\". This is a warning — not a confirmed event.", "sourceDetail": "NWS BOU — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1, "warningProductKey": "BOU-SV-W-253" }, { "id": "iem-ww-BOU-SV-W-255-Arapahoe-wind-2026-07-10", "zip": "", "city": "Arapahoe", "date": "2026-07-10", "county": "Arapahoe", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "wind", "confidence": 0.72, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Severe Thunderstorm Warning issued by NWS BOU for Arapahoe on 2026-07-10. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS BOU — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "BOU-SV-W-255" }, { "id": "iem-ww-BOU-SV-W-255-Arapahoe-hail-2026-07-10", "zip": "", "city": "Arapahoe", "date": "2026-07-10", "county": "Arapahoe", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "hail", "confidence": 0.72, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning issued by NWS BOU for Arapahoe on 2026-07-10. Storm tag hail: 1\". This is a warning — not a confirmed event.", "sourceDetail": "NWS BOU — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1, "warningProductKey": "BOU-SV-W-255" }, { "id": "iem-ww-BOU-SV-W-252-Arapahoe-wind-2026-07-10", "zip": "", "city": "Arapahoe", "date": "2026-07-10", "county": "Arapahoe", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "wind", "confidence": 0.72, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Severe Thunderstorm Warning issued by NWS BOU for Arapahoe on 2026-07-10. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS BOU — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "BOU-SV-W-252" }, { "id": "iem-ww-BOU-SV-W-252-Arapahoe-hail-2026-07-10", "zip": "", "city": "Arapahoe", "date": "2026-07-10", "county": "Arapahoe", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "hail", "confidence": 0.72, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning issued by NWS BOU for Arapahoe on 2026-07-10. Storm tag hail: 1\". This is a warning — not a confirmed event.", "sourceDetail": "NWS BOU — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1, "warningProductKey": "BOU-SV-W-252" }, { "id": "asos-bf-DEN-2026-07-10", "lat": 39.8328, "lon": -104.6575, "zip": "", "city": "DENVER INTNL ARPT", "date": "2026-07-10", "county": "Denver", "source": "IEM ASOS Station", "severity": "high", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "DENVER INTNL ARPT (DEN) recorded a 72 mph gust.", "sourceDetail": "CO_ASOS automated observation — DENVER INTNL ARPT (DEN) [365d backfill 2026-08]", "windSpeedMph": 72, "evidenceLevel": "observed" }, { "id": "iem-ww-BOU-SV-W-242-Arapahoe-wind-2026-07-09", "zip": "", "city": "Arapahoe", "date": "2026-07-09", "county": "Arapahoe", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "wind", "confidence": 0.72, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Severe Thunderstorm Warning issued by NWS BOU for Arapahoe on 2026-07-09. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS BOU — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "BOU-SV-W-242" }, { "id": "asos-bf-APA-2026-07-09", "lat": 39.57, "lon": -104.85, "zip": "", "city": "DENVER/CENTENNIAL", "date": "2026-07-09", "county": "Arapahoe", "source": "IEM ASOS Station", "severity": "moderate", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "DENVER/CENTENNIAL (APA) recorded a 54 mph gust.", "sourceDetail": "CO_ASOS automated observation — DENVER/CENTENNIAL (APA) [365d backfill 2026-08]", "windSpeedMph": 54, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-07-08-wind-39.73--104.21", "lat": 39.73, "lon": -104.21, "zip": "", "city": "2 NNE Byers", "date": "2026-07-08", "county": "Arapahoe", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "TSTM WND GST reported near 2 NNE Byers", "sourceDetail": "NWS BOU — Mesonet via Iowa Mesonet", "windSpeedMph": 62, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-07-08-wind-39.73--104.27", "lat": 39.73, "lon": -104.27, "zip": "", "city": "2 E Strasburg", "date": "2026-07-08", "county": "Arapahoe", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "TSTM WND GST reported near 2 E Strasburg", "sourceDetail": "NWS BOU — Mesonet via Iowa Mesonet", "windSpeedMph": 72, "evidenceLevel": "observed" }, { "id": "iem-ww-BOU-SV-W-237-Arapahoe-wind-2026-07-08", "zip": "", "city": "Arapahoe", "date": "2026-07-08", "county": "Arapahoe", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "wind", "confidence": 0.72, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Severe Thunderstorm Warning issued by NWS BOU for Arapahoe on 2026-07-08. Storm tag wind: 70 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS BOU — Severe Thunderstorm Warning", "windSpeedMph": 70, "evidenceLevel": "warning", "warningProductKey": "BOU-SV-W-237" }, { "id": "iem-ww-BOU-SV-W-237-Arapahoe-hail-2026-07-08", "zip": "", "city": "Arapahoe", "date": "2026-07-08", "county": "Arapahoe", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "hail", "confidence": 0.72, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning issued by NWS BOU for Arapahoe on 2026-07-08. Storm tag hail: 1\". This is a warning — not a confirmed event.", "sourceDetail": "NWS BOU — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1, "warningProductKey": "BOU-SV-W-237" }, { "id": "iem-ww-BOU-SV-W-236-Arapahoe-wind-2026-07-08", "zip": "", "city": "Arapahoe", "date": "2026-07-08", "county": "Arapahoe", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "wind", "confidence": 0.72, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Severe Thunderstorm Warning issued by NWS BOU for Arapahoe on 2026-07-08. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS BOU — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "BOU-SV-W-236" }, { "id": "iem-ww-BOU-SV-W-236-Arapahoe-hail-2026-07-08", "zip": "", "city": "Arapahoe", "date": "2026-07-08", "county": "Arapahoe", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "hail", "confidence": 0.72, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning issued by NWS BOU for Arapahoe on 2026-07-08. Storm tag hail: 1\". This is a warning — not a confirmed event.", "sourceDetail": "NWS BOU — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1, "warningProductKey": "BOU-SV-W-236" }, { "id": "iem-lsr-2026-07-06-wind-39.72--104.75", "lat": 39.72, "lon": -104.75, "zip": "", "city": "1 N Buckley AFB", "date": "2026-07-06", "county": "Arapahoe", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "AWOS station KBKF Buckley SFB.", "sourceDetail": "NWS BOU — AWOS via Iowa Mesonet", "windSpeedMph": 60, "evidenceLevel": "observed" }, { "id": "asos-bf-BKF-2026-07-06", "lat": 39.7017, "lon": -104.7517, "zip": "", "city": "BUCKLEY ANGB/DENVER", "date": "2026-07-06", "county": "Arapahoe", "source": "IEM ASOS Station", "severity": "high", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "BUCKLEY ANGB/DENVER (BKF) recorded a 60 mph gust.", "sourceDetail": "CO_ASOS automated observation — BUCKLEY ANGB/DENVER (BKF) [365d backfill 2026-08]", "windSpeedMph": 60, "evidenceLevel": "observed" }, { "id": "asos-bf-BKF-2026-07-04", "lat": 39.7017, "lon": -104.7517, "zip": "", "city": "BUCKLEY ANGB/DENVER", "date": "2026-07-04", "county": "Arapahoe", "source": "IEM ASOS Station", "severity": "high", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "BUCKLEY ANGB/DENVER (BKF) recorded a 58 mph gust.", "sourceDetail": "CO_ASOS automated observation — BUCKLEY ANGB/DENVER (BKF) [365d backfill 2026-08]", "windSpeedMph": 58, "evidenceLevel": "observed" }, { "id": "asos-bf-DEN-2026-06-30", "lat": 39.8328, "lon": -104.6575, "zip": "", "city": "DENVER INTNL ARPT", "date": "2026-06-30", "county": "Denver", "source": "IEM ASOS Station", "severity": "moderate", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "DENVER INTNL ARPT (DEN) recorded a 50 mph gust.", "sourceDetail": "CO_ASOS automated observation — DENVER INTNL ARPT (DEN) [365d backfill 2026-08]", "windSpeedMph": 50, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-06-26-hail-39.88--105.05", "lat": 39.88, "lon": -105.05, "zip": "", "city": "Westminster", "date": "2026-06-26", "county": "Adams", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Report from mPING: Quarter (1.00 in.).", "sourceDetail": "NWS BOU — Trained Spotter via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "spc-2026-06-26-126-2005", "lat": 39.87, "lon": -105.05, "zip": "", "city": "Westminster", "date": "2026-06-26", "county": "Jefferson", "source": "SPC Storm Reports", "severity": "high", "eventType": "hail", "confidence": 90, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "(BOU)", "sourceDetail": "Storm Prediction Center verified report", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "spc-2026-06-26-127-2012", "lat": 39.91, "lon": -105.02, "zip": "", "city": "Broomfield", "date": "2026-06-26", "county": "Adams", "source": "SPC Storm Reports", "severity": "high", "eventType": "hail", "confidence": 90, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "(BOU)", "sourceDetail": "Storm Prediction Center verified report", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-06-25-wind-39.85--104.65", "lat": 39.85, "lon": -104.65, "zip": "", "city": "2 SE Denver Intl Airpor", "date": "2026-06-25", "county": "Denver", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "ASOS station KDEN Denver Intl Airport.", "sourceDetail": "NWS BOU — ASOS via Iowa Mesonet", "windSpeedMph": 59, "evidenceLevel": "observed" }, { "id": "asos-bf-DEN-2026-06-25", "lat": 39.8328, "lon": -104.6575, "zip": "", "city": "DENVER INTNL ARPT", "date": "2026-06-25", "county": "Denver", "source": "IEM ASOS Station", "severity": "high", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "DENVER INTNL ARPT (DEN) recorded a 59 mph gust.", "sourceDetail": "CO_ASOS automated observation — DENVER INTNL ARPT (DEN) [365d backfill 2026-08]", "windSpeedMph": 59, "evidenceLevel": "observed" }, { "id": "spc-2026-06-24-181-0341", "lat": 39.63, "lon": -105.16, "zip": "", "city": "Morrison", "date": "2026-06-24", "county": "Jefferson", "source": "SPC Storm Reports", "severity": "high", "eventType": "hail", "confidence": 90, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "(BOU)", "sourceDetail": "Storm Prediction Center verified report", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "spc-2026-06-24-182-0404", "lat": 39.61, "lon": -105, "zip": "", "city": "Littleton", "date": "2026-06-24", "county": "Arapahoe", "source": "SPC Storm Reports", "severity": "high", "eventType": "hail", "confidence": 90, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "(BOU)", "sourceDetail": "Storm Prediction Center verified report", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "spc-2026-06-24-183-0416", "lat": 39.62, "lon": -104.05, "zip": "", "city": "Deer Trail", "date": "2026-06-24", "county": "Arapahoe", "source": "SPC Storm Reports", "severity": "high", "eventType": "hail", "confidence": 90, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Report from mPING: Half Dollar (1.25 in.). (BOU)", "sourceDetail": "Storm Prediction Center verified report", "evidenceLevel": "reported", "hailSizeInches": 1.25 }, { "id": "iem-lsr-2026-06-24-wind-39.68--104.12", "lat": 39.68, "lon": -104.12, "zip": "", "city": "6 ESE Byers", "date": "2026-06-24", "county": "Arapahoe", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "TSTM WND GST reported near 6 ESE Byers", "sourceDetail": "NWS BOU — Mesonet via Iowa Mesonet", "windSpeedMph": 58, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-06-24-wind-39.73--104.13", "lat": 39.73, "lon": -104.13, "zip": "", "city": "5 ENE Byers", "date": "2026-06-24", "county": "Arapahoe", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "TSTM WND GST reported near 5 ENE Byers", "sourceDetail": "NWS BOU — Mesonet via Iowa Mesonet", "windSpeedMph": 64, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-06-24-wind-39.73--104.13", "lat": 39.73, "lon": -104.13, "zip": "", "city": "5 ENE Byers", "date": "2026-06-24", "county": "Arapahoe", "source": "IEM Local Storm Reports", "severity": "severe", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "TSTM WND GST reported near 5 ENE Byers", "sourceDetail": "NWS BOU — Mesonet via Iowa Mesonet", "windSpeedMph": 76, "evidenceLevel": "observed" }, { "id": "iem-ww-BOU-SV-W-189-Arapahoe-wind-2026-06-24", "zip": "", "city": "Arapahoe", "date": "2026-06-24", "county": "Arapahoe", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "wind", "confidence": 0.72, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Severe Thunderstorm Warning issued by NWS BOU for Arapahoe on 2026-06-24. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS BOU — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "BOU-SV-W-189" }, { "id": "iem-ww-BOU-SV-W-189-Arapahoe-hail-2026-06-24", "zip": "", "city": "Arapahoe", "date": "2026-06-24", "county": "Arapahoe", "source": "IEM Watch/Warn Archive", "severity": "severe", "eventType": "hail", "confidence": 0.72, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning issued by NWS BOU for Arapahoe on 2026-06-24. Storm tag hail: 2\". This is a warning — not a confirmed event.", "sourceDetail": "NWS BOU — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 2, "warningProductKey": "BOU-SV-W-189" }, { "id": "iem-ww-BOU-SV-W-187-Arapahoe-wind-2026-06-24", "zip": "", "city": "Arapahoe", "date": "2026-06-24", "county": "Arapahoe", "source": "IEM Watch/Warn Archive", "severity": "moderate", "eventType": "wind", "confidence": 0.72, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Severe Thunderstorm Warning issued by NWS BOU for Arapahoe on 2026-06-24. Storm tag wind: 50 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS BOU — Severe Thunderstorm Warning", "windSpeedMph": 50, "evidenceLevel": "warning", "warningProductKey": "BOU-SV-W-187" }, { "id": "iem-ww-BOU-SV-W-187-Arapahoe-hail-2026-06-24", "zip": "", "city": "Arapahoe", "date": "2026-06-24", "county": "Arapahoe", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "hail", "confidence": 0.72, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning issued by NWS BOU for Arapahoe on 2026-06-24. Storm tag hail: 1\". This is a warning — not a confirmed event.", "sourceDetail": "NWS BOU — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1, "warningProductKey": "BOU-SV-W-187" }, { "id": "iem-ww-BOU-SV-W-191-Arapahoe-wind-2026-06-24", "zip": "", "city": "Arapahoe", "date": "2026-06-24", "county": "Arapahoe", "source": "IEM Watch/Warn Archive", "severity": "moderate", "eventType": "wind", "confidence": 0.72, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Severe Thunderstorm Warning issued by NWS BOU for Arapahoe on 2026-06-24. Storm tag wind: 50 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS BOU — Severe Thunderstorm Warning", "windSpeedMph": 50, "evidenceLevel": "warning", "warningProductKey": "BOU-SV-W-191" }, { "id": "iem-ww-BOU-SV-W-191-Arapahoe-hail-2026-06-24", "zip": "", "city": "Arapahoe", "date": "2026-06-24", "county": "Arapahoe", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "hail", "confidence": 0.72, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning issued by NWS BOU for Arapahoe on 2026-06-24. Storm tag hail: 1\". This is a warning — not a confirmed event.", "sourceDetail": "NWS BOU — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1, "warningProductKey": "BOU-SV-W-191" }, { "id": "iem-ww-BOU-SV-W-184-Arapahoe-wind-2026-06-24", "zip": "", "city": "Arapahoe", "date": "2026-06-24", "county": "Arapahoe", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "wind", "confidence": 0.72, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Severe Thunderstorm Warning issued by NWS BOU for Arapahoe on 2026-06-24. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS BOU — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "BOU-SV-W-184" }, { "id": "iem-ww-BOU-SV-W-184-Arapahoe-hail-2026-06-24", "zip": "", "city": "Arapahoe", "date": "2026-06-24", "county": "Arapahoe", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "hail", "confidence": 0.72, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning issued by NWS BOU for Arapahoe on 2026-06-24. Storm tag hail: 1.5\". This is a warning — not a confirmed event.", "sourceDetail": "NWS BOU — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1.5, "warningProductKey": "BOU-SV-W-184" }, { "id": "iem-ww-BOU-SV-W-181-Arapahoe-wind-2026-06-24", "zip": "", "city": "Arapahoe", "date": "2026-06-24", "county": "Arapahoe", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "wind", "confidence": 0.72, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Severe Thunderstorm Warning issued by NWS BOU for Arapahoe on 2026-06-24. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS BOU — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "BOU-SV-W-181" }, { "id": "iem-ww-BOU-SV-W-181-Arapahoe-hail-2026-06-24", "zip": "", "city": "Arapahoe", "date": "2026-06-24", "county": "Arapahoe", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "hail", "confidence": 0.72, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning issued by NWS BOU for Arapahoe on 2026-06-24. Storm tag hail: 1.5\". This is a warning — not a confirmed event.", "sourceDetail": "NWS BOU — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1.5, "warningProductKey": "BOU-SV-W-181" }, { "id": "iem-ww-BOU-SV-W-130-Arapahoe-wind-2026-06-23", "zip": "", "city": "Arapahoe", "date": "2026-06-23", "county": "Arapahoe", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "wind", "confidence": 0.72, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Severe Thunderstorm Warning issued by NWS BOU for Arapahoe on 2026-06-23. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS BOU — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "BOU-SV-W-130" }, { "id": "iem-ww-BOU-SV-W-130-Arapahoe-hail-2026-06-23", "zip": "", "city": "Arapahoe", "date": "2026-06-23", "county": "Arapahoe", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "hail", "confidence": 0.72, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning issued by NWS BOU for Arapahoe on 2026-06-23. Storm tag hail: 1.75\". This is a warning — not a confirmed event.", "sourceDetail": "NWS BOU — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1.75, "warningProductKey": "BOU-SV-W-130" }, { "id": "iem-ww-BOU-SV-W-149-Arapahoe-wind-2026-06-23", "zip": "", "city": "Arapahoe", "date": "2026-06-23", "county": "Arapahoe", "source": "IEM Watch/Warn Archive", "severity": "moderate", "eventType": "wind", "confidence": 0.72, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Severe Thunderstorm Warning issued by NWS BOU for Arapahoe on 2026-06-23. Storm tag wind: 50 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS BOU — Severe Thunderstorm Warning", "windSpeedMph": 50, "evidenceLevel": "warning", "warningProductKey": "BOU-SV-W-149" }, { "id": "iem-ww-BOU-SV-W-149-Arapahoe-hail-2026-06-23", "zip": "", "city": "Arapahoe", "date": "2026-06-23", "county": "Arapahoe", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "hail", "confidence": 0.72, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning issued by NWS BOU for Arapahoe on 2026-06-23. Storm tag hail: 1\". This is a warning — not a confirmed event.", "sourceDetail": "NWS BOU — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1, "warningProductKey": "BOU-SV-W-149" }, { "id": "iem-ww-BOU-SV-W-133-Arapahoe-wind-2026-06-23", "zip": "", "city": "Arapahoe", "date": "2026-06-23", "county": "Arapahoe", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "wind", "confidence": 0.72, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Severe Thunderstorm Warning issued by NWS BOU for Arapahoe on 2026-06-23. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS BOU — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "BOU-SV-W-133" }, { "id": "iem-ww-BOU-SV-W-133-Arapahoe-hail-2026-06-23", "zip": "", "city": "Arapahoe", "date": "2026-06-23", "county": "Arapahoe", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "hail", "confidence": 0.72, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning issued by NWS BOU for Arapahoe on 2026-06-23. Storm tag hail: 1.75\". This is a warning — not a confirmed event.", "sourceDetail": "NWS BOU — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1.75, "warningProductKey": "BOU-SV-W-133" }, { "id": "iem-ww-BOU-SV-W-132-Arapahoe-wind-2026-06-23", "zip": "", "city": "Arapahoe", "date": "2026-06-23", "county": "Arapahoe", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "wind", "confidence": 0.72, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Severe Thunderstorm Warning issued by NWS BOU for Arapahoe on 2026-06-23. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS BOU — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "BOU-SV-W-132" }, { "id": "iem-ww-BOU-SV-W-132-Arapahoe-hail-2026-06-23", "zip": "", "city": "Arapahoe", "date": "2026-06-23", "county": "Arapahoe", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "hail", "confidence": 0.72, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning issued by NWS BOU for Arapahoe on 2026-06-23. Storm tag hail: 1.25\". This is a warning — not a confirmed event.", "sourceDetail": "NWS BOU — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1.25, "warningProductKey": "BOU-SV-W-132" }, { "id": "asos-bf-APA-2026-06-21", "lat": 39.57, "lon": -104.85, "zip": "", "city": "DENVER/CENTENNIAL", "date": "2026-06-21", "county": "Arapahoe", "source": "IEM ASOS Station", "severity": "moderate", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "DENVER/CENTENNIAL (APA) recorded a 50 mph gust.", "sourceDetail": "CO_ASOS automated observation — DENVER/CENTENNIAL (APA) [365d backfill 2026-08]", "windSpeedMph": 50, "evidenceLevel": "observed" }, { "id": "iem-ww-BOU-SV-W-96-Arapahoe-wind-2026-06-20", "zip": "", "city": "Arapahoe", "date": "2026-06-20", "county": "Arapahoe", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "wind", "confidence": 0.72, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Severe Thunderstorm Warning issued by NWS BOU for Arapahoe on 2026-06-20. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS BOU — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "BOU-SV-W-96" }, { "id": "iem-ww-BOU-SV-W-96-Arapahoe-hail-2026-06-20", "zip": "", "city": "Arapahoe", "date": "2026-06-20", "county": "Arapahoe", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "hail", "confidence": 0.72, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning issued by NWS BOU for Arapahoe on 2026-06-20. Storm tag hail: 1.5\". This is a warning — not a confirmed event.", "sourceDetail": "NWS BOU — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1.5, "warningProductKey": "BOU-SV-W-96" }, { "id": "asos-bf-APA-2026-06-09", "lat": 39.57, "lon": -104.85, "zip": "", "city": "DENVER/CENTENNIAL", "date": "2026-06-09", "county": "Arapahoe", "source": "IEM ASOS Station", "severity": "moderate", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "DENVER/CENTENNIAL (APA) recorded a 51 mph gust.", "sourceDetail": "CO_ASOS automated observation — DENVER/CENTENNIAL (APA) [365d backfill 2026-08]", "windSpeedMph": 51, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-06-08-hail-39.77--105.23", "lat": 39.77, "lon": -105.23, "zip": "", "city": "2 N Golden", "date": "2026-06-08", "county": "Jefferson", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Report from mPING: Dime (0.75 in.).", "sourceDetail": "NWS BOU — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 0.75 }, { "id": "spc-2026-06-08-350-2103", "lat": 39.76, "lon": -105.23, "zip": "", "city": "Golden", "date": "2026-06-08", "county": "Jefferson", "source": "SPC Storm Reports", "severity": "high", "eventType": "hail", "confidence": 90, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Time estimated by radar. (BOU)", "sourceDetail": "Storm Prediction Center verified report", "evidenceLevel": "reported", "hailSizeInches": 1.75 }, { "id": "spc-2026-06-08-351-2109", "lat": 39.75, "lon": -105.22, "zip": "", "city": "Golden", "date": "2026-06-08", "county": "Jefferson", "source": "SPC Storm Reports", "severity": "high", "eventType": "hail", "confidence": 90, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Report from mPING: Quarter (1.00 in.). (BOU)", "sourceDetail": "Storm Prediction Center verified report", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-06-08-hail-39.78--105.19", "lat": 39.78, "lon": -105.19, "zip": "", "city": "3 NNE Golden", "date": "2026-06-08", "county": "Jefferson", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Time and location estimated by radar.", "sourceDetail": "NWS BOU — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "spc-2026-06-08-353-2115", "lat": 39.79, "lon": -105.14, "zip": "", "city": "Wheat Ridge", "date": "2026-06-08", "county": "Jefferson", "source": "SPC Storm Reports", "severity": "high", "eventType": "hail", "confidence": 90, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "(BOU)", "sourceDetail": "Storm Prediction Center verified report", "evidenceLevel": "reported", "hailSizeInches": 1.25 }, { "id": "spc-2026-06-08-354-2116", "lat": 39.77, "lon": -105.14, "zip": "", "city": "Wheat Ridge", "date": "2026-06-08", "county": "Jefferson", "source": "SPC Storm Reports", "severity": "high", "eventType": "hail", "confidence": 90, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "(BOU)", "sourceDetail": "Storm Prediction Center verified report", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-06-08-hail-39.79--105.08", "lat": 39.79, "lon": -105.08, "zip": "", "city": "1 NE Wheat Ridge", "date": "2026-06-08", "county": "Jefferson", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Report from mPING: Dime (0.75 in.).", "sourceDetail": "NWS BOU — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 0.75 }, { "id": "iem-lsr-2026-06-08-hail-39.79--105.11", "lat": 39.79, "lon": -105.11, "zip": "", "city": "1 NW Wheat Ridge", "date": "2026-06-08", "county": "Jefferson", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Report from mPING: Dime (0.75 in.).", "sourceDetail": "NWS BOU — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 0.75 }, { "id": "iem-lsr-2026-06-08-hail-39.79--105.11", "lat": 39.79, "lon": -105.11, "zip": "", "city": "1 NW Wheat Ridge", "date": "2026-06-08", "county": "Jefferson", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Report from mPING: Quarter (1.00 in.).", "sourceDetail": "NWS BOU — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-06-08-hail-39.77--105.11", "lat": 39.77, "lon": -105.11, "zip": "", "city": "1 W Wheat Ridge", "date": "2026-06-08", "county": "Jefferson", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "HAIL reported near 1 W Wheat Ridge", "sourceDetail": "NWS BOU — CO-OP Observer via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 0.88 }, { "id": "iem-lsr-2026-06-08-hail-39.78--105.10", "lat": 39.78, "lon": -105.1, "zip": "", "city": "1 N Wheat Ridge", "date": "2026-06-08", "county": "Jefferson", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "HAIL reported near 1 N Wheat Ridge", "sourceDetail": "NWS BOU — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-06-08-hail-39.81--105.06", "lat": 39.81, "lon": -105.06, "zip": "", "city": "2 N Mountain View", "date": "2026-06-08", "county": "Jefferson", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Report from mPING: Dime (0.75 in.).", "sourceDetail": "NWS BOU — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 0.75 }, { "id": "iem-lsr-2026-06-08-hail-39.77--105.11", "lat": 39.77, "lon": -105.11, "zip": "", "city": "1 W Wheat Ridge", "date": "2026-06-08", "county": "Jefferson", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "HAIL reported near 1 W Wheat Ridge", "sourceDetail": "NWS BOU — CO-OP Observer via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "spc-2026-06-08-362-2130", "lat": 39.81, "lon": -105.07, "zip": "", "city": "Arvada", "date": "2026-06-08", "county": "Jefferson", "source": "SPC Storm Reports", "severity": "high", "eventType": "hail", "confidence": 90, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "(BOU)", "sourceDetail": "Storm Prediction Center verified report", "evidenceLevel": "reported", "hailSizeInches": 1.5 }, { "id": "spc-2026-06-08-363-2131", "lat": 39.5, "lon": -104.84, "zip": "", "city": "Castle Pines", "date": "2026-06-08", "county": "Douglas", "source": "SPC Storm Reports", "severity": "high", "eventType": "hail", "confidence": 90, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "(BOU)", "sourceDetail": "Storm Prediction Center verified report", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "spc-2026-06-08-364-2132", "lat": 39.73, "lon": -105.11, "zip": "", "city": "Lakewood", "date": "2026-06-08", "county": "Jefferson", "source": "SPC Storm Reports", "severity": "high", "eventType": "hail", "confidence": 90, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "(BOU)", "sourceDetail": "Storm Prediction Center verified report", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-06-08-hail-39.88--105.12", "lat": 39.88, "lon": -105.12, "zip": "", "city": "4 W Westminster", "date": "2026-06-08", "county": "Jefferson", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Report from mPING: Dime (0.75 in.).", "sourceDetail": "NWS BOU — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 0.75 }, { "id": "iem-lsr-2026-06-08-hail-39.83--105.05", "lat": 39.83, "lon": -105.05, "zip": "", "city": "3 SW Federal Heights", "date": "2026-06-08", "county": "Adams", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Report from mPING: Dime (0.75 in.).", "sourceDetail": "NWS BOU — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 0.75 }, { "id": "spc-2026-06-08-367-2140", "lat": 39.48, "lon": -104.78, "zip": "", "city": "Parker", "date": "2026-06-08", "county": "Douglas", "source": "SPC Storm Reports", "severity": "high", "eventType": "hail", "confidence": 90, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Report from mPING: Quarter (1.00 in.). (BOU)", "sourceDetail": "Storm Prediction Center verified report", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "spc-2026-06-08-368-2141", "lat": 39.46, "lon": -104.75, "zip": "", "city": "The Pinery", "date": "2026-06-08", "county": "Douglas", "source": "SPC Storm Reports", "severity": "high", "eventType": "hail", "confidence": 90, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "(BOU)", "sourceDetail": "Storm Prediction Center verified report", "evidenceLevel": "reported", "hailSizeInches": 1.5 }, { "id": "iem-lsr-2026-06-08-hail-39.80--104.95", "lat": 39.8, "lon": -104.95, "zip": "", "city": "2 SW Commerce City", "date": "2026-06-08", "county": "Adams", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Report from mPING: Dime (0.75 in.).", "sourceDetail": "NWS BOU — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 0.75 }, { "id": "iem-lsr-2026-06-08-hail-39.73--105.24", "lat": 39.73, "lon": -105.24, "zip": "", "city": "1 WSW Golden", "date": "2026-06-08", "county": "Jefferson", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "HAIL reported near 1 WSW Golden", "sourceDetail": "NWS BOU — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-06-08-hail-39.46--104.65", "lat": 39.46, "lon": -104.65, "zip": "", "city": "4 E The Pinery", "date": "2026-06-08", "county": "Elbert", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Report from mPING: Dime (0.75 in.).", "sourceDetail": "NWS BOU — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 0.75 }, { "id": "spc-2026-06-08-374-2215", "lat": 39.45, "lon": -104.81, "zip": "", "city": "The Pinery", "date": "2026-06-08", "county": "Douglas", "source": "SPC Storm Reports", "severity": "high", "eventType": "hail", "confidence": 90, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "(BOU)", "sourceDetail": "Storm Prediction Center verified report", "evidenceLevel": "reported", "hailSizeInches": 1.25 }, { "id": "iem-lsr-2026-06-08-hail-39.51--104.52", "lat": 39.51, "lon": -104.52, "zip": "", "city": "10 NE Ponderosa Park", "date": "2026-06-08", "county": "Elbert", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "HAIL reported near 10 NE Ponderosa Park", "sourceDetail": "NWS BOU — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 0.88 }, { "id": "spc-2026-06-08-375-2222", "lat": 39.47, "lon": -104.6, "zip": "", "city": "Ponderosa Park", "date": "2026-06-08", "county": "Elbert", "source": "SPC Storm Reports", "severity": "high", "eventType": "hail", "confidence": 90, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Report from mPING: Quarter (1.00 in.). (BOU)", "sourceDetail": "Storm Prediction Center verified report", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-06-08-wind-39.56--104.87", "lat": 39.56, "lon": -104.87, "zip": "", "city": "1 NNE Lone Tree", "date": "2026-06-08", "county": "Douglas", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Mesonet station CO001 I-25 and C470.", "sourceDetail": "NWS BOU — Mesonet via Iowa Mesonet", "windSpeedMph": 66, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-06-08-wind-39.85--104.65", "lat": 39.85, "lon": -104.65, "zip": "", "city": "2 SE Denver Intl Airpor", "date": "2026-06-08", "county": "Denver", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "ASOS station KDEN Denver Intl Airport.", "sourceDetail": "NWS BOU — ASOS via Iowa Mesonet", "windSpeedMph": 59, "evidenceLevel": "observed" }, { "id": "iem-ww-BOU-SV-W-80-Arapahoe-wind-2026-06-08", "zip": "", "city": "Arapahoe", "date": "2026-06-08", "county": "Arapahoe", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "wind", "confidence": 0.72, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Severe Thunderstorm Warning issued by NWS BOU for Arapahoe on 2026-06-08. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS BOU — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "BOU-SV-W-80" }, { "id": "iem-ww-BOU-SV-W-80-Arapahoe-hail-2026-06-08", "zip": "", "city": "Arapahoe", "date": "2026-06-08", "county": "Arapahoe", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "hail", "confidence": 0.72, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning issued by NWS BOU for Arapahoe on 2026-06-08. Storm tag hail: 1\". This is a warning — not a confirmed event.", "sourceDetail": "NWS BOU — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1, "warningProductKey": "BOU-SV-W-80" }, { "id": "iem-ww-BOU-SV-W-66-Arapahoe-wind-2026-06-08", "zip": "", "city": "Arapahoe", "date": "2026-06-08", "county": "Arapahoe", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "wind", "confidence": 0.72, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Severe Thunderstorm Warning issued by NWS BOU for Arapahoe on 2026-06-08. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS BOU — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "BOU-SV-W-66" }, { "id": "iem-ww-BOU-SV-W-66-Arapahoe-hail-2026-06-08", "zip": "", "city": "Arapahoe", "date": "2026-06-08", "county": "Arapahoe", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "hail", "confidence": 0.72, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning issued by NWS BOU for Arapahoe on 2026-06-08. Storm tag hail: 1\". This is a warning — not a confirmed event.", "sourceDetail": "NWS BOU — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1, "warningProductKey": "BOU-SV-W-66" }, { "id": "iem-ww-BOU-SV-W-72-Arapahoe-wind-2026-06-08", "zip": "", "city": "Arapahoe", "date": "2026-06-08", "county": "Arapahoe", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "wind", "confidence": 0.72, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Severe Thunderstorm Warning issued by NWS BOU for Arapahoe on 2026-06-08. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS BOU — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "BOU-SV-W-72" }, { "id": "iem-ww-BOU-SV-W-72-Arapahoe-hail-2026-06-08", "zip": "", "city": "Arapahoe", "date": "2026-06-08", "county": "Arapahoe", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "hail", "confidence": 0.72, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning issued by NWS BOU for Arapahoe on 2026-06-08. Storm tag hail: 1.25\". This is a warning — not a confirmed event.", "sourceDetail": "NWS BOU — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1.25, "warningProductKey": "BOU-SV-W-72" }, { "id": "iem-ww-BOU-SV-W-70-Arapahoe-wind-2026-06-08", "zip": "", "city": "Arapahoe", "date": "2026-06-08", "county": "Arapahoe", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "wind", "confidence": 0.72, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Severe Thunderstorm Warning issued by NWS BOU for Arapahoe on 2026-06-08. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS BOU — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "BOU-SV-W-70" }, { "id": "iem-ww-BOU-SV-W-70-Arapahoe-hail-2026-06-08", "zip": "", "city": "Arapahoe", "date": "2026-06-08", "county": "Arapahoe", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "hail", "confidence": 0.72, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning issued by NWS BOU for Arapahoe on 2026-06-08. Storm tag hail: 1.25\". This is a warning — not a confirmed event.", "sourceDetail": "NWS BOU — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1.25, "warningProductKey": "BOU-SV-W-70" }, { "id": "iem-ww-BOU-SV-W-69-Arapahoe-wind-2026-06-08", "zip": "", "city": "Arapahoe", "date": "2026-06-08", "county": "Arapahoe", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "wind", "confidence": 0.72, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Severe Thunderstorm Warning issued by NWS BOU for Arapahoe on 2026-06-08. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS BOU — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "BOU-SV-W-69" }, { "id": "iem-ww-BOU-SV-W-69-Arapahoe-hail-2026-06-08", "zip": "", "city": "Arapahoe", "date": "2026-06-08", "county": "Arapahoe", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "hail", "confidence": 0.72, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning issued by NWS BOU for Arapahoe on 2026-06-08. Storm tag hail: 1\". This is a warning — not a confirmed event.", "sourceDetail": "NWS BOU — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1, "warningProductKey": "BOU-SV-W-69" }, { "id": "asos-bf-DEN-2026-06-08", "lat": 39.8328, "lon": -104.6575, "zip": "", "city": "DENVER INTNL ARPT", "date": "2026-06-08", "county": "Denver", "source": "IEM ASOS Station", "severity": "high", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "DENVER INTNL ARPT (DEN) recorded a 58 mph gust.", "sourceDetail": "CO_ASOS automated observation — DENVER INTNL ARPT (DEN) [365d backfill 2026-08]", "windSpeedMph": 58, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-06-07-wind-39.78--104.94", "lat": 39.78, "lon": -104.94, "zip": "", "city": "3 SSW Commerce City", "date": "2026-06-07", "county": "Denver", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Mesonet station CO208 Denver I-70/Colorado Blvd.", "sourceDetail": "NWS BOU — Mesonet via Iowa Mesonet", "windSpeedMph": 55, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-06-07-wind-39.78--104.93", "lat": 39.78, "lon": -104.93, "zip": "", "city": "2 S Commerce City", "date": "2026-06-07", "county": "Denver", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Mesonet station CO204 Denver I-70/Dahlia St.", "sourceDetail": "NWS BOU — Mesonet via Iowa Mesonet", "windSpeedMph": 58, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-06-07-wind-39.78--105.00", "lat": 39.78, "lon": -105, "zip": "", "city": "3 N Denver", "date": "2026-06-07", "county": "Denver", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Mesonet station CO217 Denver I-70/Pecos.", "sourceDetail": "NWS BOU — Mesonet via Iowa Mesonet", "windSpeedMph": 55, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-06-07-wind-39.78--104.91", "lat": 39.78, "lon": -104.91, "zip": "", "city": "3 SSE Commerce City", "date": "2026-06-07", "county": "Denver", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Mesonet station CO202 Denver I-70/Monaco.", "sourceDetail": "NWS BOU — Mesonet via Iowa Mesonet", "windSpeedMph": 55, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-06-07-wind-39.78--104.90", "lat": 39.78, "lon": -104.9, "zip": "", "city": "3 SSE Commerce City", "date": "2026-06-07", "county": "Denver", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Mesonet station CO200 Denver I-70/I-270.", "sourceDetail": "NWS BOU — Mesonet via Iowa Mesonet", "windSpeedMph": 57, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-06-07-wind-39.78--104.90", "lat": 39.78, "lon": -104.9, "zip": "", "city": "3 SSE Commerce City", "date": "2026-06-07", "county": "Denver", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Mesonet station CO201 Denver I-70/Quebec.", "sourceDetail": "NWS BOU — Mesonet via Iowa Mesonet", "windSpeedMph": 67, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-06-07-wind-39.78--104.95", "lat": 39.78, "lon": -104.95, "zip": "", "city": "3 SSW Commerce City", "date": "2026-06-07", "county": "Denver", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Mesonet station CO205 Denver I-70/Colorado.", "sourceDetail": "NWS BOU — Mesonet via Iowa Mesonet", "windSpeedMph": 53, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-06-07-wind-39.78--104.88", "lat": 39.78, "lon": -104.88, "zip": "", "city": "4 SE Commerce City", "date": "2026-06-07", "county": "Denver", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Mesonet station CO211 Denver I-70/Central Park.", "sourceDetail": "NWS BOU — Mesonet via Iowa Mesonet", "windSpeedMph": 63, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-06-03-hail-39.39--104.75", "lat": 39.39, "lon": -104.75, "zip": "", "city": "Franktown", "date": "2026-06-03", "county": "Douglas", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Spotter id: d333.", "sourceDetail": "NWS BOU — Trained Spotter via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-ww-BOU-SV-W-57-Arapahoe-wind-2026-06-03", "zip": "", "city": "Arapahoe", "date": "2026-06-03", "county": "Arapahoe", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "wind", "confidence": 0.72, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Severe Thunderstorm Warning issued by NWS BOU for Arapahoe on 2026-06-03. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS BOU — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "BOU-SV-W-57" }, { "id": "iem-ww-BOU-SV-W-57-Arapahoe-hail-2026-06-03", "zip": "", "city": "Arapahoe", "date": "2026-06-03", "county": "Arapahoe", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "hail", "confidence": 0.72, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning issued by NWS BOU for Arapahoe on 2026-06-03. Storm tag hail: 1\". This is a warning — not a confirmed event.", "sourceDetail": "NWS BOU — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1, "warningProductKey": "BOU-SV-W-57" }, { "id": "spc-2026-06-01-406-1905", "lat": 39.75, "lon": -105.04, "zip": "", "city": "Edgewater", "date": "2026-06-01", "county": "Denver", "source": "SPC Storm Reports", "severity": "high", "eventType": "hail", "confidence": 90, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "(BOU)", "sourceDetail": "Storm Prediction Center verified report", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-06-01-hail-39.74--104.99", "lat": 39.74, "lon": -104.99, "zip": "", "city": "Denver", "date": "2026-06-01", "county": "Denver", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Report from mPING: Dime (0.75 in.).", "sourceDetail": "NWS BOU — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 0.75 }, { "id": "iem-lsr-2026-06-01-hail-39.74--104.99", "lat": 39.74, "lon": -104.99, "zip": "", "city": "Denver", "date": "2026-06-01", "county": "Denver", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "HAIL reported near Denver", "sourceDetail": "NWS BOU — NWS Employee via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-06-01-hail-39.74--105.02", "lat": 39.74, "lon": -105.02, "zip": "", "city": "2 W Denver", "date": "2026-06-01", "county": "Denver", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "HAIL reported near 2 W Denver", "sourceDetail": "NWS BOU — Trained Spotter via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "spc-2026-06-01-410-1910", "lat": 39.75, "lon": -105, "zip": "", "city": "Denver", "date": "2026-06-01", "county": "Denver", "source": "SPC Storm Reports", "severity": "high", "eventType": "hail", "confidence": 90, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "(BOU)", "sourceDetail": "Storm Prediction Center verified report", "evidenceLevel": "reported", "hailSizeInches": 1.75 }, { "id": "iem-lsr-2026-06-01-hail-39.73--104.98", "lat": 39.73, "lon": -104.98, "zip": "", "city": "1 SE Denver", "date": "2026-06-01", "county": "Denver", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Report from mPING: Quarter (1.00 in.).", "sourceDetail": "NWS BOU — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "spc-2026-06-01-414-1914", "lat": 39.73, "lon": -104.97, "zip": "", "city": "Denver", "date": "2026-06-01", "county": "Denver", "source": "SPC Storm Reports", "severity": "high", "eventType": "hail", "confidence": 90, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "(BOU)", "sourceDetail": "Storm Prediction Center verified report", "evidenceLevel": "reported", "hailSizeInches": 1.5 }, { "id": "iem-lsr-2026-06-01-hail-39.74--104.92", "lat": 39.74, "lon": -104.92, "zip": "", "city": "3 E Denver", "date": "2026-06-01", "county": "Denver", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Report from mPING: Quarter (1.00 in.).", "sourceDetail": "NWS BOU — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-06-01-hail-39.75--104.92", "lat": 39.75, "lon": -104.92, "zip": "", "city": "4 E Denver", "date": "2026-06-01", "county": "Denver", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "HAIL reported near 4 E Denver", "sourceDetail": "NWS BOU — Trained Spotter via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1.75 }, { "id": "spc-2026-06-01-420-1928", "lat": 39.74, "lon": -104.95, "zip": "", "city": "Denver", "date": "2026-06-01", "county": "Denver", "source": "SPC Storm Reports", "severity": "high", "eventType": "hail", "confidence": 90, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Report from mPING: Half Dollar (1.25 in.). (BOU)", "sourceDetail": "Storm Prediction Center verified report", "evidenceLevel": "reported", "hailSizeInches": 1.25 }, { "id": "iem-lsr-2026-06-01-hail-39.75--104.91", "lat": 39.75, "lon": -104.91, "zip": "", "city": "4 E Denver", "date": "2026-06-01", "county": "Denver", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "HAIL reported near 4 E Denver", "sourceDetail": "NWS BOU — Trained Spotter via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 0.88 }, { "id": "spc-2026-06-01-421-1931", "lat": 39.54, "lon": -105.03, "zip": "", "city": "Chatfield Reservoi", "date": "2026-06-01", "county": "Douglas", "source": "SPC Storm Reports", "severity": "high", "eventType": "hail", "confidence": 90, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "(BOU)", "sourceDetail": "Storm Prediction Center verified report", "evidenceLevel": "reported", "hailSizeInches": 1.5 }, { "id": "iem-lsr-2026-06-01-hail-39.76--105.02", "lat": 39.76, "lon": -105.02, "zip": "", "city": "2 NW Denver", "date": "2026-06-01", "county": "Denver", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Report from mPING: Quarter (1.00 in.).", "sourceDetail": "NWS BOU — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "spc-2026-06-01-424-1940", "lat": 39.72, "lon": -104.86, "zip": "", "city": "Aurora", "date": "2026-06-01", "county": "Arapahoe", "source": "SPC Storm Reports", "severity": "high", "eventType": "hail", "confidence": 90, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Report from mPING: Quarter (1.00 in.). (BOU)", "sourceDetail": "Storm Prediction Center verified report", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "spc-2026-06-01-425-2005", "lat": 39.75, "lon": -104.82, "zip": "", "city": "Aurora", "date": "2026-06-01", "county": "Adams", "source": "SPC Storm Reports", "severity": "high", "eventType": "hail", "confidence": 90, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Report from mPING: Half Dollar (1.25 in.). (BOU)", "sourceDetail": "Storm Prediction Center verified report", "evidenceLevel": "reported", "hailSizeInches": 1.25 }, { "id": "spc-2026-06-01-426-2032", "lat": 39.67, "lon": -104.6, "zip": "", "city": "Watkins", "date": "2026-06-01", "county": "Arapahoe", "source": "SPC Storm Reports", "severity": "high", "eventType": "hail", "confidence": 90, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Report from mPING: Quarter (1.00 in.). (BOU)", "sourceDetail": "Storm Prediction Center verified report", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "spc-2026-06-01-427-2034", "lat": 39.7, "lon": -104.67, "zip": "", "city": "Buckley AFB", "date": "2026-06-01", "county": "Arapahoe", "source": "SPC Storm Reports", "severity": "high", "eventType": "hail", "confidence": 90, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "(BOU)", "sourceDetail": "Storm Prediction Center verified report", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "spc-2026-06-01-428-2041", "lat": 39.74, "lon": -104.59, "zip": "", "city": "Watkins", "date": "2026-06-01", "county": "Adams", "source": "SPC Storm Reports", "severity": "high", "eventType": "hail", "confidence": 90, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Report from mPING: Quarter (1.00 in.). (BOU)", "sourceDetail": "Storm Prediction Center verified report", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "spc-2026-06-01-429-2048", "lat": 39.74, "lon": -104.47, "zip": "", "city": "Manila Village", "date": "2026-06-01", "county": "Adams", "source": "SPC Storm Reports", "severity": "high", "eventType": "hail", "confidence": 90, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Report from mPING: Quarter (1.00 in.). (BOU)", "sourceDetail": "Storm Prediction Center verified report", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "spc-2026-06-01-430-2102", "lat": 39.74, "lon": -104.44, "zip": "", "city": "Bennett", "date": "2026-06-01", "county": "Adams", "source": "SPC Storm Reports", "severity": "high", "eventType": "hail", "confidence": 90, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Report from mPING: Half Dollar (1.25 in.). (BOU)", "sourceDetail": "Storm Prediction Center verified report", "evidenceLevel": "reported", "hailSizeInches": 1.25 }, { "id": "spc-2026-06-01-431-2103", "lat": 39.76, "lon": -104.48, "zip": "", "city": "Bennett", "date": "2026-06-01", "county": "Adams", "source": "SPC Storm Reports", "severity": "high", "eventType": "hail", "confidence": 90, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "(BOU)", "sourceDetail": "Storm Prediction Center verified report", "evidenceLevel": "reported", "hailSizeInches": 1.75 }, { "id": "spc-2026-06-01-432-2108", "lat": 39.74, "lon": -104.41, "zip": "", "city": "Bennett", "date": "2026-06-01", "county": "Arapahoe", "source": "SPC Storm Reports", "severity": "high", "eventType": "hail", "confidence": 90, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Report from mPING: Ping Pong Ball (1.50 in.). (BOU)", "sourceDetail": "Storm Prediction Center verified report", "evidenceLevel": "reported", "hailSizeInches": 1.5 }, { "id": "spc-2026-06-01-434-2112", "lat": 39.74, "lon": -104.41, "zip": "", "city": "Bennett", "date": "2026-06-01", "county": "Arapahoe", "source": "SPC Storm Reports", "severity": "high", "eventType": "hail", "confidence": 90, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Report from mPING: Golf Ball (1.75 in.). (BOU)", "sourceDetail": "Storm Prediction Center verified report", "evidenceLevel": "reported", "hailSizeInches": 1.75 }, { "id": "iem-lsr-2026-06-01-hail-39.49--104.76", "lat": 39.49, "lon": -104.76, "zip": "", "city": "1 S Parker", "date": "2026-06-01", "county": "Douglas", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Funnel cloud_ too.", "sourceDetail": "NWS BOU — Trained Spotter via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 0.88 }, { "id": "spc-2026-06-01-446-2254", "lat": 39.37, "lon": -104.55, "zip": "", "city": "Elizabeth", "date": "2026-06-01", "county": "Elbert", "source": "SPC Storm Reports", "severity": "high", "eventType": "hail", "confidence": 90, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Report from mPING: Quarter (1.00 in.). (BOU)", "sourceDetail": "Storm Prediction Center verified report", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-ww-BOU-SV-W-44-Arapahoe-wind-2026-06-01", "zip": "", "city": "Arapahoe", "date": "2026-06-01", "county": "Arapahoe", "source": "IEM Watch/Warn Archive", "severity": "moderate", "eventType": "wind", "confidence": 0.72, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Severe Thunderstorm Warning issued by NWS BOU for Arapahoe on 2026-06-01. Storm tag wind: 50 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS BOU — Severe Thunderstorm Warning", "windSpeedMph": 50, "evidenceLevel": "warning", "warningProductKey": "BOU-SV-W-44" }, { "id": "iem-ww-BOU-SV-W-44-Arapahoe-hail-2026-06-01", "zip": "", "city": "Arapahoe", "date": "2026-06-01", "county": "Arapahoe", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "hail", "confidence": 0.72, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning issued by NWS BOU for Arapahoe on 2026-06-01. Storm tag hail: 1\". This is a warning — not a confirmed event.", "sourceDetail": "NWS BOU — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1, "warningProductKey": "BOU-SV-W-44" }, { "id": "iem-ww-BOU-SV-W-40-Arapahoe-wind-2026-06-01", "zip": "", "city": "Arapahoe", "date": "2026-06-01", "county": "Arapahoe", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "wind", "confidence": 0.72, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Severe Thunderstorm Warning issued by NWS BOU for Arapahoe on 2026-06-01. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS BOU — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "BOU-SV-W-40" }, { "id": "iem-ww-BOU-SV-W-40-Arapahoe-hail-2026-06-01", "zip": "", "city": "Arapahoe", "date": "2026-06-01", "county": "Arapahoe", "source": "IEM Watch/Warn Archive", "severity": "severe", "eventType": "hail", "confidence": 0.72, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning issued by NWS BOU for Arapahoe on 2026-06-01. Storm tag hail: 2\". This is a warning — not a confirmed event.", "sourceDetail": "NWS BOU — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 2, "warningProductKey": "BOU-SV-W-40" }, { "id": "iem-ww-BOU-SV-W-42-Arapahoe-wind-2026-06-01", "zip": "", "city": "Arapahoe", "date": "2026-06-01", "county": "Arapahoe", "source": "IEM Watch/Warn Archive", "severity": "moderate", "eventType": "wind", "confidence": 0.72, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Severe Thunderstorm Warning issued by NWS BOU for Arapahoe on 2026-06-01. Storm tag wind: 50 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS BOU — Severe Thunderstorm Warning", "windSpeedMph": 50, "evidenceLevel": "warning", "warningProductKey": "BOU-SV-W-42" }, { "id": "iem-ww-BOU-SV-W-42-Arapahoe-hail-2026-06-01", "zip": "", "city": "Arapahoe", "date": "2026-06-01", "county": "Arapahoe", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "hail", "confidence": 0.72, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning issued by NWS BOU for Arapahoe on 2026-06-01. Storm tag hail: 1.75\". This is a warning — not a confirmed event.", "sourceDetail": "NWS BOU — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1.75, "warningProductKey": "BOU-SV-W-42" }, { "id": "iem-ww-BOU-SV-W-37-Arapahoe-wind-2026-06-01", "zip": "", "city": "Arapahoe", "date": "2026-06-01", "county": "Arapahoe", "source": "IEM Watch/Warn Archive", "severity": "moderate", "eventType": "wind", "confidence": 0.72, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Severe Thunderstorm Warning issued by NWS BOU for Arapahoe on 2026-06-01. Storm tag wind: 50 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS BOU — Severe Thunderstorm Warning", "windSpeedMph": 50, "evidenceLevel": "warning", "warningProductKey": "BOU-SV-W-37" }, { "id": "iem-ww-BOU-SV-W-37-Arapahoe-hail-2026-06-01", "zip": "", "city": "Arapahoe", "date": "2026-06-01", "county": "Arapahoe", "source": "IEM Watch/Warn Archive", "severity": "severe", "eventType": "hail", "confidence": 0.72, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning issued by NWS BOU for Arapahoe on 2026-06-01. Storm tag hail: 2\". This is a warning — not a confirmed event.", "sourceDetail": "NWS BOU — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 2, "warningProductKey": "BOU-SV-W-37" }, { "id": "iem-ww-BOU-SV-W-39-Arapahoe-wind-2026-06-01", "zip": "", "city": "Arapahoe", "date": "2026-06-01", "county": "Arapahoe", "source": "IEM Watch/Warn Archive", "severity": "moderate", "eventType": "wind", "confidence": 0.72, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Severe Thunderstorm Warning issued by NWS BOU for Arapahoe on 2026-06-01. Storm tag wind: 50 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS BOU — Severe Thunderstorm Warning", "windSpeedMph": 50, "evidenceLevel": "warning", "warningProductKey": "BOU-SV-W-39" }, { "id": "iem-ww-BOU-SV-W-39-Arapahoe-hail-2026-06-01", "zip": "", "city": "Arapahoe", "date": "2026-06-01", "county": "Arapahoe", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "hail", "confidence": 0.72, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning issued by NWS BOU for Arapahoe on 2026-06-01. Storm tag hail: 1.5\". This is a warning — not a confirmed event.", "sourceDetail": "NWS BOU — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1.5, "warningProductKey": "BOU-SV-W-39" }, { "id": "iem-ww-BOU-SV-W-38-Arapahoe-wind-2026-06-01", "zip": "", "city": "Arapahoe", "date": "2026-06-01", "county": "Arapahoe", "source": "IEM Watch/Warn Archive", "severity": "moderate", "eventType": "wind", "confidence": 0.72, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Severe Thunderstorm Warning issued by NWS BOU for Arapahoe on 2026-06-01. Storm tag wind: 50 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS BOU — Severe Thunderstorm Warning", "windSpeedMph": 50, "evidenceLevel": "warning", "warningProductKey": "BOU-SV-W-38" }, { "id": "iem-ww-BOU-SV-W-38-Arapahoe-hail-2026-06-01", "zip": "", "city": "Arapahoe", "date": "2026-06-01", "county": "Arapahoe", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "hail", "confidence": 0.72, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning issued by NWS BOU for Arapahoe on 2026-06-01. Storm tag hail: 1.5\". This is a warning — not a confirmed event.", "sourceDetail": "NWS BOU — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1.5, "warningProductKey": "BOU-SV-W-38" }, { "id": "iem-ww-BOU-SV-W-34-Arapahoe-wind-2026-06-01", "zip": "", "city": "Arapahoe", "date": "2026-06-01", "county": "Arapahoe", "source": "IEM Watch/Warn Archive", "severity": "moderate", "eventType": "wind", "confidence": 0.72, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Severe Thunderstorm Warning issued by NWS BOU for Arapahoe on 2026-06-01. Storm tag wind: 50 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS BOU — Severe Thunderstorm Warning", "windSpeedMph": 50, "evidenceLevel": "warning", "warningProductKey": "BOU-SV-W-34" }, { "id": "iem-ww-BOU-SV-W-34-Arapahoe-hail-2026-06-01", "zip": "", "city": "Arapahoe", "date": "2026-06-01", "county": "Arapahoe", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "hail", "confidence": 0.72, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning issued by NWS BOU for Arapahoe on 2026-06-01. Storm tag hail: 1.25\". This is a warning — not a confirmed event.", "sourceDetail": "NWS BOU — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1.25, "warningProductKey": "BOU-SV-W-34" }, { "id": "iem-ww-BOU-SV-W-33-Arapahoe-wind-2026-06-01", "zip": "", "city": "Arapahoe", "date": "2026-06-01", "county": "Arapahoe", "source": "IEM Watch/Warn Archive", "severity": "moderate", "eventType": "wind", "confidence": 0.72, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Severe Thunderstorm Warning issued by NWS BOU for Arapahoe on 2026-06-01. Storm tag wind: 50 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS BOU — Severe Thunderstorm Warning", "windSpeedMph": 50, "evidenceLevel": "warning", "warningProductKey": "BOU-SV-W-33" }, { "id": "iem-ww-BOU-SV-W-33-Arapahoe-hail-2026-06-01", "zip": "", "city": "Arapahoe", "date": "2026-06-01", "county": "Arapahoe", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "hail", "confidence": 0.72, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning issued by NWS BOU for Arapahoe on 2026-06-01. Storm tag hail: 1.5\". This is a warning — not a confirmed event.", "sourceDetail": "NWS BOU — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1.5, "warningProductKey": "BOU-SV-W-33" }, { "id": "iem-ww-BOU-TO-W-8-Arapahoe-tornado-2026-06-01", "zip": "", "city": "Arapahoe", "date": "2026-06-01", "county": "Arapahoe", "source": "IEM Watch/Warn Archive", "severity": "severe", "eventType": "tornado", "confidence": 0.85, "damageTypes": [ "Structural roof failure", "Debris penetration", "Complete shingle removal" ], "description": "Tornado Warning issued by NWS BOU for Arapahoe on 2026-06-01. This is a warning — not a confirmed event.", "sourceDetail": "NWS BOU — Tornado Warning", "evidenceLevel": "warning", "warningProductKey": "BOU-TO-W-8" }, { "id": "iem-ww-BOU-TO-W-9-Arapahoe-tornado-2026-06-01", "zip": "", "city": "Arapahoe", "date": "2026-06-01", "county": "Arapahoe", "source": "IEM Watch/Warn Archive", "severity": "severe", "eventType": "tornado", "confidence": 0.85, "damageTypes": [ "Structural roof failure", "Debris penetration", "Complete shingle removal" ], "description": "Tornado Warning issued by NWS BOU for Arapahoe on 2026-06-01. This is a warning — not a confirmed event.", "sourceDetail": "NWS BOU — Tornado Warning", "evidenceLevel": "warning", "warningProductKey": "BOU-TO-W-9" }, { "id": "asos-bf-APA-2026-06-01", "lat": 39.57, "lon": -104.85, "zip": "", "city": "DENVER/CENTENNIAL", "date": "2026-06-01", "county": "Arapahoe", "source": "IEM ASOS Station", "severity": "moderate", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "DENVER/CENTENNIAL (APA) recorded a 56 mph gust.", "sourceDetail": "CO_ASOS automated observation — DENVER/CENTENNIAL (APA) [365d backfill 2026-08]", "windSpeedMph": 56, "evidenceLevel": "observed" }, { "id": "asos-bf-DEN-2026-05-25", "lat": 39.8328, "lon": -104.6575, "zip": "", "city": "DENVER INTNL ARPT", "date": "2026-05-25", "county": "Denver", "source": "IEM ASOS Station", "severity": "moderate", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "DENVER INTNL ARPT (DEN) recorded a 55 mph gust.", "sourceDetail": "CO_ASOS automated observation — DENVER INTNL ARPT (DEN) [365d backfill 2026-08]", "windSpeedMph": 55, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-05-21-hail-39.62--104.04", "lat": 39.62, "lon": -104.04, "zip": "", "city": "Deer Trail", "date": "2026-05-21", "county": "Arapahoe", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "HAIL reported near Deer Trail", "sourceDetail": "NWS BOU — Storm Chaser via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "spc-2026-05-21-469-2202", "lat": 39.67, "lon": -104.04, "zip": "", "city": "Deer Trail", "date": "2026-05-21", "county": "Arapahoe", "source": "SPC Storm Reports", "severity": "high", "eventType": "hail", "confidence": 90, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Report from mPING: Ping Pong Ball (1.50 in.). (BOU)", "sourceDetail": "Storm Prediction Center verified report", "evidenceLevel": "reported", "hailSizeInches": 1.5 }, { "id": "iem-ww-BOU-SV-W-23-Arapahoe-wind-2026-05-21", "zip": "", "city": "Arapahoe", "date": "2026-05-21", "county": "Arapahoe", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "wind", "confidence": 0.72, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Severe Thunderstorm Warning issued by NWS BOU for Arapahoe on 2026-05-21. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS BOU — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "BOU-SV-W-23" }, { "id": "iem-ww-BOU-SV-W-23-Arapahoe-hail-2026-05-21", "zip": "", "city": "Arapahoe", "date": "2026-05-21", "county": "Arapahoe", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "hail", "confidence": 0.72, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning issued by NWS BOU for Arapahoe on 2026-05-21. Storm tag hail: 1.75\". This is a warning — not a confirmed event.", "sourceDetail": "NWS BOU — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1.75, "warningProductKey": "BOU-SV-W-23" }, { "id": "iem-ww-BOU-SV-W-15-Arapahoe-wind-2026-05-21", "zip": "", "city": "Arapahoe", "date": "2026-05-21", "county": "Arapahoe", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "wind", "confidence": 0.72, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Severe Thunderstorm Warning issued by NWS BOU for Arapahoe on 2026-05-21. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS BOU — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "BOU-SV-W-15" }, { "id": "iem-ww-BOU-SV-W-15-Arapahoe-hail-2026-05-21", "zip": "", "city": "Arapahoe", "date": "2026-05-21", "county": "Arapahoe", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "hail", "confidence": 0.72, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning issued by NWS BOU for Arapahoe on 2026-05-21. Storm tag hail: 1\". This is a warning — not a confirmed event.", "sourceDetail": "NWS BOU — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1, "warningProductKey": "BOU-SV-W-15" }, { "id": "iem-ww-BOU-SV-W-18-Arapahoe-wind-2026-05-21", "zip": "", "city": "Arapahoe", "date": "2026-05-21", "county": "Arapahoe", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "wind", "confidence": 0.72, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Severe Thunderstorm Warning issued by NWS BOU for Arapahoe on 2026-05-21. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS BOU — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "BOU-SV-W-18" }, { "id": "iem-ww-BOU-SV-W-18-Arapahoe-hail-2026-05-21", "zip": "", "city": "Arapahoe", "date": "2026-05-21", "county": "Arapahoe", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "hail", "confidence": 0.72, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning issued by NWS BOU for Arapahoe on 2026-05-21. Storm tag hail: 1\". This is a warning — not a confirmed event.", "sourceDetail": "NWS BOU — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1, "warningProductKey": "BOU-SV-W-18" }, { "id": "ncei-1327414-2026-05-21", "lon": 212277, "zip": "", "city": "DEER TRAIL", "date": "2026-05-21", "county": "Arapahoe", "source": "NCEI Storm Events Database", "severity": "high", "eventType": "hail", "confidence": 0.95, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "A supercell thunderstorm travel east across eastern Arapahoe and Washington Counties, and also clipping far northern Lincoln Counties. Large to very large occurred at times with the largest hail reaching 4.5 inches. Three brief tornadoes were also reported by spotters. No damaged occurred as these tornadoes were over open fields.", "sourceDetail": "Verified by Storm Chaser — NCEI Event #1327414", "evidenceLevel": "official_backfill", "hailSizeInches": 1 }, { "id": "ncei-1327415-2026-05-21", "lon": 212277, "zip": "", "city": "DEER TRAIL", "date": "2026-05-21", "county": "Arapahoe", "source": "NCEI Storm Events Database", "severity": "high", "eventType": "hail", "confidence": 0.95, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "The report was received from mPING.", "sourceDetail": "Verified by Public — NCEI Event #1327415", "evidenceLevel": "official_backfill", "hailSizeInches": 1.5 }, { "id": "asos-bf-BKF-2026-05-13", "lat": 39.7017, "lon": -104.7517, "zip": "", "city": "BUCKLEY ANGB/DENVER", "date": "2026-05-13", "county": "Arapahoe", "source": "IEM ASOS Station", "severity": "moderate", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "BUCKLEY ANGB/DENVER (BKF) recorded a 51 mph gust.", "sourceDetail": "CO_ASOS automated observation — BUCKLEY ANGB/DENVER (BKF) [365d backfill 2026-08]", "windSpeedMph": 51, "evidenceLevel": "observed" }, { "id": "asos-bf-DEN-2026-04-09", "lat": 39.8328, "lon": -104.6575, "zip": "", "city": "DENVER INTNL ARPT", "date": "2026-04-09", "county": "Denver", "source": "IEM ASOS Station", "severity": "moderate", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "DENVER INTNL ARPT (DEN) recorded a 51 mph gust.", "sourceDetail": "CO_ASOS automated observation — DENVER INTNL ARPT (DEN) [365d backfill 2026-08]", "windSpeedMph": 51, "evidenceLevel": "observed" }, { "id": "asos-bf-DEN-2026-04-03", "lat": 39.8328, "lon": -104.6575, "zip": "", "city": "DENVER INTNL ARPT", "date": "2026-04-03", "county": "Denver", "source": "IEM ASOS Station", "severity": "moderate", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "DENVER INTNL ARPT (DEN) recorded a 50 mph gust.", "sourceDetail": "CO_ASOS automated observation — DENVER INTNL ARPT (DEN) [365d backfill 2026-08]", "windSpeedMph": 50, "evidenceLevel": "observed" }, { "id": "asos-bf-APA-2026-03-28", "lat": 39.57, "lon": -104.85, "zip": "", "city": "DENVER/CENTENNIAL", "date": "2026-03-28", "county": "Arapahoe", "source": "IEM ASOS Station", "severity": "moderate", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "DENVER/CENTENNIAL (APA) recorded a 51 mph gust.", "sourceDetail": "CO_ASOS automated observation — DENVER/CENTENNIAL (APA) [365d backfill 2026-08]", "windSpeedMph": 51, "evidenceLevel": "observed" }, { "id": "asos-bf-APA-2026-03-15", "lat": 39.57, "lon": -104.85, "zip": "", "city": "DENVER/CENTENNIAL", "date": "2026-03-15", "county": "Arapahoe", "source": "IEM ASOS Station", "severity": "moderate", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "DENVER/CENTENNIAL (APA) recorded a 52 mph gust.", "sourceDetail": "CO_ASOS automated observation — DENVER/CENTENNIAL (APA) [365d backfill 2026-08]", "windSpeedMph": 52, "evidenceLevel": "observed" }, { "id": "asos-bf-DEN-2026-03-15", "lat": 39.8328, "lon": -104.6575, "zip": "", "city": "DENVER INTNL ARPT", "date": "2026-03-15", "county": "Denver", "source": "IEM ASOS Station", "severity": "moderate", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "DENVER INTNL ARPT (DEN) recorded a 50 mph gust.", "sourceDetail": "CO_ASOS automated observation — DENVER INTNL ARPT (DEN) [365d backfill 2026-08]", "windSpeedMph": 50, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-03-12-wind-39.90--105.10", "lat": 39.9, "lon": -105.1, "zip": "", "city": "2 SW Broomfield", "date": "2026-03-12", "county": "Jefferson", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "AWOS station KBJC Broomfield Rocky Mtn Metro Airport.", "sourceDetail": "NWS BOU — AWOS via Iowa Mesonet", "windSpeedMph": 56, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-03-12-wind-39.72--105.25", "lat": 39.72, "lon": -105.25, "zip": "", "city": "2 WSW Golden", "date": "2026-03-12", "county": "Jefferson", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "RAWS station LOOC2 Lookout Mountain.", "sourceDetail": "NWS BOU — Mesonet via Iowa Mesonet", "windSpeedMph": 66, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-03-12-wind-39.75--105.21", "lat": 39.75, "lon": -105.21, "zip": "", "city": "1 NE Golden", "date": "2026-03-12", "county": "Jefferson", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "XL077 Golden 1E.", "sourceDetail": "NWS BOU — Utility Company via Iowa Mesonet", "windSpeedMph": 66, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-03-12-wind-39.71--105.19", "lat": 39.71, "lon": -105.19, "zip": "", "city": "1 WSW Pleasant View", "date": "2026-03-12", "county": "Jefferson", "source": "IEM Local Storm Reports", "severity": "severe", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Mesonet station CO008 I-70 at C470.", "sourceDetail": "NWS BOU — Mesonet via Iowa Mesonet", "windSpeedMph": 79, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-03-12-wind-39.79--105.24", "lat": 39.79, "lon": -105.24, "zip": "", "city": "3 SE White Ranch Open S", "date": "2026-03-12", "county": "Jefferson", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "XL006 Golden Golden Gate Canyon.", "sourceDetail": "NWS BOU — Utility Company via Iowa Mesonet", "windSpeedMph": 64, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-03-12-wind-39.71--105.20", "lat": 39.71, "lon": -105.2, "zip": "", "city": "2 WSW Pleasant View", "date": "2026-03-12", "county": "Jefferson", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "XL007 Golden Heritage Dells Park.", "sourceDetail": "NWS BOU — Utility Company via Iowa Mesonet", "windSpeedMph": 66, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-03-12-wind-39.66--105.20", "lat": 39.66, "lon": -105.2, "zip": "", "city": "Red Rocks Park", "date": "2026-03-12", "county": "Jefferson", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "XL120 Morrison 0.5N.", "sourceDetail": "NWS BOU — Utility Company via Iowa Mesonet", "windSpeedMph": 68, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-03-12-wind-39.72--105.28", "lat": 39.72, "lon": -105.28, "zip": "", "city": "2 NNW Genesee", "date": "2026-03-12", "county": "Jefferson", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "XL157 Genesee Mountain.", "sourceDetail": "NWS BOU — Utility Company via Iowa Mesonet", "windSpeedMph": 64, "evidenceLevel": "reported" }, { "id": "asos-bf-APA-2026-03-12", "lat": 39.57, "lon": -104.85, "zip": "", "city": "DENVER/CENTENNIAL", "date": "2026-03-12", "county": "Arapahoe", "source": "IEM ASOS Station", "severity": "moderate", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "DENVER/CENTENNIAL (APA) recorded a 52 mph gust.", "sourceDetail": "CO_ASOS automated observation — DENVER/CENTENNIAL (APA) [365d backfill 2026-08]", "windSpeedMph": 52, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-02-26-wind-39.75--105.21", "lat": 39.75, "lon": -105.21, "zip": "", "city": "1 NE Golden", "date": "2026-02-26", "county": "Jefferson", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "XL077 Golden 1E.", "sourceDetail": "NWS BOU — Utility Company via Iowa Mesonet", "windSpeedMph": 59, "evidenceLevel": "reported" }, { "id": "asos-bf-CFO-2026-02-25", "lat": 39.7841, "lon": -104.5376, "zip": "", "city": "Colorado Air and Space", "date": "2026-02-25", "county": "Adams", "source": "IEM ASOS Station", "severity": "moderate", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Colorado Air and Space (CFO) recorded a 52 mph gust.", "sourceDetail": "CO_ASOS automated observation — Colorado Air and Space (CFO) [365d backfill 2026-08]", "windSpeedMph": 52, "evidenceLevel": "observed" }, { "id": "asos-bf-DEN-2026-02-25", "lat": 39.8328, "lon": -104.6575, "zip": "", "city": "DENVER INTNL ARPT", "date": "2026-02-25", "county": "Denver", "source": "IEM ASOS Station", "severity": "high", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "DENVER INTNL ARPT (DEN) recorded a 59 mph gust.", "sourceDetail": "CO_ASOS automated observation — DENVER INTNL ARPT (DEN) [365d backfill 2026-08]", "windSpeedMph": 59, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-02-24-wind-39.85--104.65", "lat": 39.85, "lon": -104.65, "zip": "", "city": "2 SE Denver Intl Airpor", "date": "2026-02-24", "county": "Denver", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "ASOS station KDEN Denver Intl Airport.", "sourceDetail": "NWS BOU — ASOS via Iowa Mesonet", "windSpeedMph": 61, "evidenceLevel": "observed" }, { "id": "asos-bf-DEN-2026-02-24", "lat": 39.8328, "lon": -104.6575, "zip": "", "city": "DENVER INTNL ARPT", "date": "2026-02-24", "county": "Denver", "source": "IEM ASOS Station", "severity": "high", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "DENVER INTNL ARPT (DEN) recorded a 60 mph gust.", "sourceDetail": "CO_ASOS automated observation — DENVER INTNL ARPT (DEN) [365d backfill 2026-08]", "windSpeedMph": 60, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-02-17-wind-39.56--104.85", "lat": 39.56, "lon": -104.85, "zip": "", "city": "3 NE Lone Tree", "date": "2026-02-17", "county": "Douglas", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "AWOS station KAPA 2 SSE Centennial.", "sourceDetail": "NWS BOU — AWOS via Iowa Mesonet", "windSpeedMph": 55, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-02-17-wind-39.65--105.18", "lat": 39.65, "lon": -105.18, "zip": "", "city": "Morrison", "date": "2026-02-17", "county": "Jefferson", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Mesonet station DVI01447 Lakewood.", "sourceDetail": "NWS BOU — Mesonet via Iowa Mesonet", "windSpeedMph": 56, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-02-17-wind-39.52--104.73", "lat": 39.52, "lon": -104.73, "zip": "", "city": "2 ENE Parker", "date": "2026-02-17", "county": "Douglas", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Mesonet station FW3227 Parker.", "sourceDetail": "NWS BOU — Mesonet via Iowa Mesonet", "windSpeedMph": 57, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-02-17-wind-39.61--104.51", "lat": 39.61, "lon": -104.51, "zip": "", "city": "10 E Arapahoe Park", "date": "2026-02-17", "county": "Arapahoe", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Mesonet station AV686 Bennett.", "sourceDetail": "NWS BOU — Mesonet via Iowa Mesonet", "windSpeedMph": 56, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-02-17-wind-39.85--104.65", "lat": 39.85, "lon": -104.65, "zip": "", "city": "2 SE Denver Intl Airpor", "date": "2026-02-17", "county": "Denver", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "ASOS station KDEN Denver Intl Airport.", "sourceDetail": "NWS BOU — ASOS via Iowa Mesonet", "windSpeedMph": 55, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-02-17-wind-39.35--104.95", "lat": 39.35, "lon": -104.95, "zip": "", "city": "3 ESE Shamballa", "date": "2026-02-17", "county": "Douglas", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Mesonet station FW4355 Sedalia.", "sourceDetail": "NWS BOU — Mesonet via Iowa Mesonet", "windSpeedMph": 62, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-02-17-wind-39.61--104.51", "lat": 39.61, "lon": -104.51, "zip": "", "city": "10 E Arapahoe Park", "date": "2026-02-17", "county": "Arapahoe", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Mesonet station AV686 Bennett.", "sourceDetail": "NWS BOU — Mesonet via Iowa Mesonet", "windSpeedMph": 58, "evidenceLevel": "observed" }, { "id": "asos-bf-DEN-2026-02-17", "lat": 39.8328, "lon": -104.6575, "zip": "", "city": "DENVER INTNL ARPT", "date": "2026-02-17", "county": "Denver", "source": "IEM ASOS Station", "severity": "moderate", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "DENVER INTNL ARPT (DEN) recorded a 55 mph gust.", "sourceDetail": "CO_ASOS automated observation — DENVER INTNL ARPT (DEN) [365d backfill 2026-08]", "windSpeedMph": 55, "evidenceLevel": "observed" }, { "id": "asos-bf-APA-2026-02-17", "lat": 39.57, "lon": -104.85, "zip": "", "city": "DENVER/CENTENNIAL", "date": "2026-02-17", "county": "Arapahoe", "source": "IEM ASOS Station", "severity": "moderate", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "DENVER/CENTENNIAL (APA) recorded a 55 mph gust.", "sourceDetail": "CO_ASOS automated observation — DENVER/CENTENNIAL (APA) [365d backfill 2026-08]", "windSpeedMph": 55, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-01-16-wind-39.68--104.12", "lat": 39.68, "lon": -104.12, "zip": "", "city": "6 ESE Byers", "date": "2026-01-16", "county": "Arapahoe", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Mesonet station UP705 6.0 NW Deer Trail (UPR).", "sourceDetail": "NWS BOU — Mesonet via Iowa Mesonet", "windSpeedMph": 55, "evidenceLevel": "observed" }, { "id": "asos-bf-DEN-2026-01-16", "lat": 39.8328, "lon": -104.6575, "zip": "", "city": "DENVER INTNL ARPT", "date": "2026-01-16", "county": "Denver", "source": "IEM ASOS Station", "severity": "moderate", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "DENVER INTNL ARPT (DEN) recorded a 56 mph gust.", "sourceDetail": "CO_ASOS automated observation — DENVER INTNL ARPT (DEN) [365d backfill 2026-08]", "windSpeedMph": 56, "evidenceLevel": "observed" }, { "id": "asos-bf-CFO-2026-01-16", "lat": 39.7841, "lon": -104.5376, "zip": "", "city": "Colorado Air and Space", "date": "2026-01-16", "county": "Adams", "source": "IEM ASOS Station", "severity": "moderate", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Colorado Air and Space (CFO) recorded a 51 mph gust.", "sourceDetail": "CO_ASOS automated observation — Colorado Air and Space (CFO) [365d backfill 2026-08]", "windSpeedMph": 51, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-01-15-wind-39.73--104.21", "lat": 39.73, "lon": -104.21, "zip": "", "city": "2 NNE Byers", "date": "2026-01-15", "county": "Arapahoe", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Personal weather station.", "sourceDetail": "NWS BOU — Public via Iowa Mesonet", "windSpeedMph": 64, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-01-15-wind-39.85--104.65", "lat": 39.85, "lon": -104.65, "zip": "", "city": "2 SE Denver Intl Airpor", "date": "2026-01-15", "county": "Denver", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "ASOS station KDEN Denver Intl Airport.", "sourceDetail": "NWS BOU — ASOS via Iowa Mesonet", "windSpeedMph": 55, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-01-15-wind-39.32--104.62", "lat": 39.32, "lon": -104.62, "zip": "", "city": "3 SSW Elizabeth", "date": "2026-01-15", "county": "Elbert", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Mesonet station GW2711 Elizabeth.", "sourceDetail": "NWS BOU — Mesonet via Iowa Mesonet", "windSpeedMph": 65, "evidenceLevel": "observed" }, { "id": "asos-bf-APA-2026-01-15", "lat": 39.57, "lon": -104.85, "zip": "", "city": "DENVER/CENTENNIAL", "date": "2026-01-15", "county": "Arapahoe", "source": "IEM ASOS Station", "severity": "moderate", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "DENVER/CENTENNIAL (APA) recorded a 51 mph gust.", "sourceDetail": "CO_ASOS automated observation — DENVER/CENTENNIAL (APA) [365d backfill 2026-08]", "windSpeedMph": 51, "evidenceLevel": "observed" }, { "id": "asos-bf-DEN-2026-01-15", "lat": 39.8328, "lon": -104.6575, "zip": "", "city": "DENVER INTNL ARPT", "date": "2026-01-15", "county": "Denver", "source": "IEM ASOS Station", "severity": "moderate", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "DENVER INTNL ARPT (DEN) recorded a 56 mph gust.", "sourceDetail": "CO_ASOS automated observation — DENVER INTNL ARPT (DEN) [365d backfill 2026-08]", "windSpeedMph": 56, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-01-06-wind-39.71--105.17", "lat": 39.71, "lon": -105.17, "zip": "", "city": "1 SSE Pleasant View", "date": "2026-01-06", "county": "Jefferson", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 SSE Pleasant View", "sourceDetail": "NWS BOU — Utility Company via Iowa Mesonet", "windSpeedMph": 58, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-01-06-wind-39.90--105.10", "lat": 39.9, "lon": -105.1, "zip": "", "city": "2 SW Broomfield", "date": "2026-01-06", "county": "Jefferson", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "AWOS station KBJC Broomfield Rocky Mtn Metro Airport.", "sourceDetail": "NWS BOU — AWOS via Iowa Mesonet", "windSpeedMph": 58, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-01-06-wind-39.75--105.21", "lat": 39.75, "lon": -105.21, "zip": "", "city": "1 NE Golden", "date": "2026-01-06", "county": "Jefferson", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 NE Golden", "sourceDetail": "NWS BOU — Utility Company via Iowa Mesonet", "windSpeedMph": 58, "evidenceLevel": "reported" }, { "id": "asos-bf-DEN-2025-12-19", "lat": 39.8328, "lon": -104.6575, "zip": "", "city": "DENVER INTNL ARPT", "date": "2025-12-19", "county": "Denver", "source": "IEM ASOS Station", "severity": "moderate", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "DENVER INTNL ARPT (DEN) recorded a 50 mph gust.", "sourceDetail": "CO_ASOS automated observation — DENVER INTNL ARPT (DEN) [365d backfill 2026-08]", "windSpeedMph": 50, "evidenceLevel": "observed" }, { "id": "asos-bf-APA-2025-12-18", "lat": 39.57, "lon": -104.85, "zip": "", "city": "DENVER/CENTENNIAL", "date": "2025-12-18", "county": "Arapahoe", "source": "IEM ASOS Station", "severity": "high", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "DENVER/CENTENNIAL (APA) recorded a 58 mph gust.", "sourceDetail": "CO_ASOS automated observation — DENVER/CENTENNIAL (APA) [365d backfill 2026-08]", "windSpeedMph": 58, "evidenceLevel": "observed" }, { "id": "asos-bf-BKF-2025-12-18", "lat": 39.7017, "lon": -104.7517, "zip": "", "city": "BUCKLEY ANGB/DENVER", "date": "2025-12-18", "county": "Arapahoe", "source": "IEM ASOS Station", "severity": "moderate", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "BUCKLEY ANGB/DENVER (BKF) recorded a 53 mph gust.", "sourceDetail": "CO_ASOS automated observation — BUCKLEY ANGB/DENVER (BKF) [365d backfill 2026-08]", "windSpeedMph": 53, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-17-wind-39.68--104.96", "lat": 39.68, "lon": -104.96, "zip": "", "city": "3 NE Englewood", "date": "2025-12-17", "county": "Denver", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Mesonet station CO145 Denver I-25/University Blvd.", "sourceDetail": "NWS BOU — Mesonet via Iowa Mesonet", "windSpeedMph": 60, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-17-wind-39.72--105.25", "lat": 39.72, "lon": -105.25, "zip": "", "city": "2 WSW Golden", "date": "2025-12-17", "county": "Jefferson", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Mesonet station LOOC2 Lookout Mountain.", "sourceDetail": "NWS BOU — Mesonet via Iowa Mesonet", "windSpeedMph": 60, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-17-wind-39.90--105.10", "lat": 39.9, "lon": -105.1, "zip": "", "city": "2 SW Broomfield", "date": "2025-12-17", "county": "Jefferson", "source": "IEM Local Storm Reports", "severity": "severe", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "AWOS station KBJC Broomfield Rocky Mtn Metro Airport.", "sourceDetail": "NWS BOU — AWOS via Iowa Mesonet", "windSpeedMph": 83, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-17-wind-39.90--105.08", "lat": 39.9, "lon": -105.08, "zip": "", "city": "2 SSW Broomfield", "date": "2025-12-17", "county": "Jefferson", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Mesonet station CO168 Westminster US 36.", "sourceDetail": "NWS BOU — Mesonet via Iowa Mesonet", "windSpeedMph": 60, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-17-wind-39.72--105.25", "lat": 39.72, "lon": -105.25, "zip": "", "city": "2 WSW Golden", "date": "2025-12-17", "county": "Jefferson", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Mesonet station LOOC2 Lookout Mountain.", "sourceDetail": "NWS BOU — Mesonet via Iowa Mesonet", "windSpeedMph": 67, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-17-wind-39.78--104.88", "lat": 39.78, "lon": -104.88, "zip": "", "city": "4 SE Commerce City", "date": "2025-12-17", "county": "Denver", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Mesonet station CO211 Denver I-70/Central Park.", "sourceDetail": "NWS BOU — Mesonet via Iowa Mesonet", "windSpeedMph": 58, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-17-wind-39.78--104.94", "lat": 39.78, "lon": -104.94, "zip": "", "city": "3 SSW Commerce City", "date": "2025-12-17", "county": "Denver", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Mesonet station CO208 Denver I-70/Colorado Blvd.", "sourceDetail": "NWS BOU — Mesonet via Iowa Mesonet", "windSpeedMph": 59, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-17-wind-39.78--104.96", "lat": 39.78, "lon": -104.96, "zip": "", "city": "3 SW Commerce City", "date": "2025-12-17", "county": "Denver", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Mesonet station CO207 Denver I-70/York St.", "sourceDetail": "NWS BOU — Mesonet via Iowa Mesonet", "windSpeedMph": 60, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-17-wind-39.78--104.97", "lat": 39.78, "lon": -104.97, "zip": "", "city": "3 NNE Denver", "date": "2025-12-17", "county": "Denver", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Mesonet station CO216 Denver I-70/Washington.", "sourceDetail": "NWS BOU — Mesonet via Iowa Mesonet", "windSpeedMph": 63, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-17-wind-39.78--104.95", "lat": 39.78, "lon": -104.95, "zip": "", "city": "3 SSW Commerce City", "date": "2025-12-17", "county": "Denver", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Mesonet station CO205 Denver I-70/Colorado.", "sourceDetail": "NWS BOU — Mesonet via Iowa Mesonet", "windSpeedMph": 64, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-17-wind-39.85--104.65", "lat": 39.85, "lon": -104.65, "zip": "", "city": "2 SE Denver Intl Airpor", "date": "2025-12-17", "county": "Denver", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "ASOS station KDEN Denver Intl Airport.", "sourceDetail": "NWS BOU — ASOS via Iowa Mesonet", "windSpeedMph": 66, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-17-wind-39.78--104.90", "lat": 39.78, "lon": -104.9, "zip": "", "city": "3 SSE Commerce City", "date": "2025-12-17", "county": "Denver", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Mesonet station CO201 Denver I-70/Quebec.", "sourceDetail": "NWS BOU — Mesonet via Iowa Mesonet", "windSpeedMph": 62, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-17-wind-39.77--104.87", "lat": 39.77, "lon": -104.87, "zip": "", "city": "4 SE Commerce City", "date": "2025-12-17", "county": "Denver", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Mesonet station DCPC2 Denver Central Park.", "sourceDetail": "NWS BOU — Mesonet via Iowa Mesonet", "windSpeedMph": 58, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-17-wind-39.77--104.85", "lat": 39.77, "lon": -104.85, "zip": "", "city": "5 SE Commerce City", "date": "2025-12-17", "county": "Denver", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Mesonet station CO196 Denver I-70/Peoria St.", "sourceDetail": "NWS BOU — Mesonet via Iowa Mesonet", "windSpeedMph": 59, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-17-wind-39.77--104.85", "lat": 39.77, "lon": -104.85, "zip": "", "city": "5 SE Commerce City", "date": "2025-12-17", "county": "Denver", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Mesonet station CO197 Denver I-70/Peoria St.", "sourceDetail": "NWS BOU — Mesonet via Iowa Mesonet", "windSpeedMph": 62, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-17-wind-39.78--104.92", "lat": 39.78, "lon": -104.92, "zip": "", "city": "2 S Commerce City", "date": "2025-12-17", "county": "Denver", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Mesonet station CO203 Denver I-70/Holly St.", "sourceDetail": "NWS BOU — Mesonet via Iowa Mesonet", "windSpeedMph": 63, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-17-wind-39.76--104.77", "lat": 39.76, "lon": -104.77, "zip": "", "city": "4 NNW Buckley AFB", "date": "2025-12-17", "county": "Adams", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Mesonet station CO218 Aurora I-70/Tower Rd.", "sourceDetail": "NWS BOU — Mesonet via Iowa Mesonet", "windSpeedMph": 69, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-17-wind-39.51--105.02", "lat": 39.51, "lon": -105.02, "zip": "", "city": "3 NNW Louviers", "date": "2025-12-17", "county": "Douglas", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Mesonet station AT112 Littleton.", "sourceDetail": "NWS BOU — Mesonet via Iowa Mesonet", "windSpeedMph": 59, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-17-wind-39.68--104.96", "lat": 39.68, "lon": -104.96, "zip": "", "city": "3 NE Englewood", "date": "2025-12-17", "county": "Denver", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Mesonet station CO145 Denver I-25/University Blvd.", "sourceDetail": "NWS BOU — Mesonet via Iowa Mesonet", "windSpeedMph": 63, "evidenceLevel": "observed" }, { "id": "asos-bf-APA-2025-12-17", "lat": 39.57, "lon": -104.85, "zip": "", "city": "DENVER/CENTENNIAL", "date": "2025-12-17", "county": "Arapahoe", "source": "IEM ASOS Station", "severity": "high", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "DENVER/CENTENNIAL (APA) recorded a 60 mph gust.", "sourceDetail": "CO_ASOS automated observation — DENVER/CENTENNIAL (APA) [365d backfill 2026-08]", "windSpeedMph": 60, "evidenceLevel": "observed" }, { "id": "asos-bf-BKF-2025-12-17", "lat": 39.7017, "lon": -104.7517, "zip": "", "city": "BUCKLEY ANGB/DENVER", "date": "2025-12-17", "county": "Arapahoe", "source": "IEM ASOS Station", "severity": "moderate", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "BUCKLEY ANGB/DENVER (BKF) recorded a 56 mph gust.", "sourceDetail": "CO_ASOS automated observation — BUCKLEY ANGB/DENVER (BKF) [365d backfill 2026-08]", "windSpeedMph": 56, "evidenceLevel": "observed" }, { "id": "asos-bf-DEN-2025-12-17", "lat": 39.8328, "lon": -104.6575, "zip": "", "city": "DENVER INTNL ARPT", "date": "2025-12-17", "county": "Denver", "source": "IEM ASOS Station", "severity": "high", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "DENVER INTNL ARPT (DEN) recorded a 65 mph gust.", "sourceDetail": "CO_ASOS automated observation — DENVER INTNL ARPT (DEN) [365d backfill 2026-08]", "windSpeedMph": 65, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-11-wind-39.90--105.10", "lat": 39.9, "lon": -105.1, "zip": "", "city": "2 SW Broomfield", "date": "2025-12-11", "county": "Jefferson", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "AWOS station KBJC Broomfield Rocky Mtn Metro Airport.", "sourceDetail": "NWS BOU — AWOS via Iowa Mesonet", "windSpeedMph": 56, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-11-wind-39.85--104.65", "lat": 39.85, "lon": -104.65, "zip": "", "city": "2 SE Denver Intl Airpor", "date": "2025-12-11", "county": "Denver", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "ASOS station KDEN Denver Intl Airport.", "sourceDetail": "NWS BOU — ASOS via Iowa Mesonet", "windSpeedMph": 55, "evidenceLevel": "observed" }, { "id": "asos-bf-DEN-2025-12-11", "lat": 39.8328, "lon": -104.6575, "zip": "", "city": "DENVER INTNL ARPT", "date": "2025-12-11", "county": "Denver", "source": "IEM ASOS Station", "severity": "moderate", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "DENVER INTNL ARPT (DEN) recorded a 55 mph gust.", "sourceDetail": "CO_ASOS automated observation — DENVER INTNL ARPT (DEN) [365d backfill 2026-08]", "windSpeedMph": 55, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-10-wind-39.71--105.19", "lat": 39.71, "lon": -105.19, "zip": "", "city": "1 WSW Pleasant View", "date": "2025-12-10", "county": "Jefferson", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Mesonet station CO008 I-70 at C470.", "sourceDetail": "NWS BOU — Mesonet via Iowa Mesonet", "windSpeedMph": 55, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-09-wind-39.90--105.08", "lat": 39.9, "lon": -105.08, "zip": "", "city": "2 SSW Broomfield", "date": "2025-12-09", "county": "Jefferson", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Mesonet station CO168 Westminster US 36.", "sourceDetail": "NWS BOU — Mesonet via Iowa Mesonet", "windSpeedMph": 53, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-09-wind-39.85--104.99", "lat": 39.85, "lon": -104.99, "zip": "", "city": "2 SE Federal Heights", "date": "2025-12-09", "county": "Adams", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Mesonet station CO178 Thornton I-25/84th Ave.", "sourceDetail": "NWS BOU — Mesonet via Iowa Mesonet", "windSpeedMph": 52, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-09-wind-39.90--105.10", "lat": 39.9, "lon": -105.1, "zip": "", "city": "2 SW Broomfield", "date": "2025-12-09", "county": "Jefferson", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "AWOS station KBJC Broomfield Rocky Mtn Metro Airport.", "sourceDetail": "NWS BOU — AWOS via Iowa Mesonet", "windSpeedMph": 53, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-09-wind-39.90--105.10", "lat": 39.9, "lon": -105.1, "zip": "", "city": "2 SW Broomfield", "date": "2025-12-09", "county": "Jefferson", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "AWOS station KBJC Broomfield Rocky Mtn Metro Airport.", "sourceDetail": "NWS BOU — AWOS via Iowa Mesonet", "windSpeedMph": 54, "evidenceLevel": "observed" }, { "id": "asos-bf-DEN-2025-12-09", "lat": 39.8328, "lon": -104.6575, "zip": "", "city": "DENVER INTNL ARPT", "date": "2025-12-09", "county": "Denver", "source": "IEM ASOS Station", "severity": "moderate", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "DENVER INTNL ARPT (DEN) recorded a 50 mph gust.", "sourceDetail": "CO_ASOS automated observation — DENVER INTNL ARPT (DEN) [365d backfill 2026-08]", "windSpeedMph": 50, "evidenceLevel": "observed" }, { "id": "asos-bf-APA-2025-11-16", "lat": 39.57, "lon": -104.85, "zip": "", "city": "DENVER/CENTENNIAL", "date": "2025-11-16", "county": "Arapahoe", "source": "IEM ASOS Station", "severity": "moderate", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "DENVER/CENTENNIAL (APA) recorded a 51 mph gust.", "sourceDetail": "CO_ASOS automated observation — DENVER/CENTENNIAL (APA) [365d backfill 2026-08]", "windSpeedMph": 51, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-10-27-hail-39.49--104.90", "lat": 39.49, "lon": -104.9, "zip": "", "city": "2 NW Castle Pines", "date": "2025-10-27", "county": "Douglas", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Report from mPING: Dime (0.75 in.).", "sourceDetail": "NWS BOU — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 0.75 }, { "id": "iem-lsr-2025-10-27-hail-39.51--104.82", "lat": 39.51, "lon": -104.82, "zip": "", "city": "3 W Parker", "date": "2025-10-27", "county": "Douglas", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Report from mPING: Dime (0.75 in.).", "sourceDetail": "NWS BOU — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 0.75 }, { "id": "iem-lsr-2025-10-27-hail-39.43--104.86", "lat": 39.43, "lon": -104.86, "zip": "", "city": "3 SE Castle Pines", "date": "2025-10-27", "county": "Douglas", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Report from mPING: Dime (0.75 in.).", "sourceDetail": "NWS BOU — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 0.75 }, { "id": "iem-lsr-2025-10-27-hail-39.39--104.67", "lat": 39.39, "lon": -104.67, "zip": "", "city": "2 W Ponderosa Park", "date": "2025-10-27", "county": "Douglas", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Report from mPING: Dime (0.75 in.).", "sourceDetail": "NWS BOU — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 0.75 }, { "id": "iem-ww-BOU-SV-W-362-Arapahoe-wind-2025-10-27", "zip": "", "city": "Arapahoe", "date": "2025-10-27", "county": "Arapahoe", "source": "IEM Watch/Warn Archive", "severity": "moderate", "eventType": "wind", "confidence": 0.72, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Severe Thunderstorm Warning issued by NWS BOU for Arapahoe on 2025-10-27. Storm tag wind: 50 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS BOU — Severe Thunderstorm Warning", "windSpeedMph": 50, "evidenceLevel": "warning", "warningProductKey": "BOU-SV-W-362" }, { "id": "iem-ww-BOU-SV-W-362-Arapahoe-hail-2025-10-27", "zip": "", "city": "Arapahoe", "date": "2025-10-27", "county": "Arapahoe", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "hail", "confidence": 0.72, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning issued by NWS BOU for Arapahoe on 2025-10-27. Storm tag hail: 1\". This is a warning — not a confirmed event.", "sourceDetail": "NWS BOU — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1, "warningProductKey": "BOU-SV-W-362" }, { "id": "iem-lsr-2025-10-20-wind-39.78--104.92", "lat": 39.78, "lon": -104.92, "zip": "", "city": "2 S Commerce City", "date": "2025-10-20", "county": "Denver", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Mesonet station CO203 Denver I-70/Holly St.", "sourceDetail": "NWS BOU — Mesonet via Iowa Mesonet", "windSpeedMph": 55, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-10-20-wind-39.85--104.65", "lat": 39.85, "lon": -104.65, "zip": "", "city": "2 SE Denver Intl Airpor", "date": "2025-10-20", "county": "Denver", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "ASOS station KDEN Denver Intl Airport.", "sourceDetail": "NWS BOU — ASOS via Iowa Mesonet", "windSpeedMph": 55, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-10-20-wind-39.78--104.90", "lat": 39.78, "lon": -104.9, "zip": "", "city": "3 SSE Commerce City", "date": "2025-10-20", "county": "Denver", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Mesonet station CO200 Denver I-70/I-270.", "sourceDetail": "NWS BOU — Mesonet via Iowa Mesonet", "windSpeedMph": 58, "evidenceLevel": "observed" }, { "id": "asos-bf-BKF-2025-10-20", "lat": 39.7017, "lon": -104.7517, "zip": "", "city": "BUCKLEY ANGB/DENVER", "date": "2025-10-20", "county": "Arapahoe", "source": "IEM ASOS Station", "severity": "moderate", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "BUCKLEY ANGB/DENVER (BKF) recorded a 51 mph gust.", "sourceDetail": "CO_ASOS automated observation — BUCKLEY ANGB/DENVER (BKF) [365d backfill 2026-08]", "windSpeedMph": 51, "evidenceLevel": "observed" }, { "id": "asos-bf-DEN-2025-10-20", "lat": 39.8328, "lon": -104.6575, "zip": "", "city": "DENVER INTNL ARPT", "date": "2025-10-20", "county": "Denver", "source": "IEM ASOS Station", "severity": "moderate", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "DENVER INTNL ARPT (DEN) recorded a 56 mph gust.", "sourceDetail": "CO_ASOS automated observation — DENVER INTNL ARPT (DEN) [365d backfill 2026-08]", "windSpeedMph": 56, "evidenceLevel": "observed" }, { "id": "asos-bf-APA-2025-10-15", "lat": 39.57, "lon": -104.85, "zip": "", "city": "DENVER/CENTENNIAL", "date": "2025-10-15", "county": "Arapahoe", "source": "IEM ASOS Station", "severity": "moderate", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "DENVER/CENTENNIAL (APA) recorded a 53 mph gust.", "sourceDetail": "CO_ASOS automated observation — DENVER/CENTENNIAL (APA) [365d backfill 2026-08]", "windSpeedMph": 53, "evidenceLevel": "observed" }, { "id": "asos-bf-DEN-2025-10-15", "lat": 39.8328, "lon": -104.6575, "zip": "", "city": "DENVER INTNL ARPT", "date": "2025-10-15", "county": "Denver", "source": "IEM ASOS Station", "severity": "moderate", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "DENVER INTNL ARPT (DEN) recorded a 52 mph gust.", "sourceDetail": "CO_ASOS automated observation — DENVER INTNL ARPT (DEN) [365d backfill 2026-08]", "windSpeedMph": 52, "evidenceLevel": "observed" } ] }