{ "dataset": "Bismarck, ND storm events — 12-month window, 25-mile radius plus Burleigh 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": "2026-09-21T10:05:10.937+00:00", "window_days": 365, "schema_version": "2.0.0", "event_count": 153, "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-2f219d987dd41212.002-Burleigh-wind", "zip": "", "city": "Burleigh", "date": "2026-09-14", "county": "Burleigh", "source": "NWS Weather Alert", "severity": "moderate", "eventType": "wind", "confidence": 62, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Wind Advisory for Burleigh. Wind Advisory issued September 13 at 1:00PM CDT until September 15 at 4:00AM CDT by NWS Bismarck ND", "sourceDetail": "NWS Bismarck ND — Wind Advisory", "evidenceLevel": "warning", "warningProductKey": "BIS-WI-Y-23" }, { "id": "asos-BIS-2026-09-14-95684", "lat": 46.7727, "lon": -100.7458, "zip": "", "city": "BISMARCK", "date": "2026-09-14", "county": "Burleigh", "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": "BISMARCK (BIS) recorded a 53 mph gust.", "sourceDetail": "ND_ASOS automated observation — BISMARCK (BIS)", "windSpeedMph": 53, "evidenceLevel": "observed" }, { "id": "asos-BIS-2026-09-14-95808", "lat": 46.7727, "lon": -100.7458, "zip": "", "city": "BISMARCK", "date": "2026-09-14", "county": "Burleigh", "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": "BISMARCK (BIS) recorded a 55 mph gust.", "sourceDetail": "ND_ASOS automated observation — BISMARCK (BIS)", "windSpeedMph": 55, "evidenceLevel": "observed" }, { "id": "iem-ww-BIS-SV-W-320-Burleigh-wind-2026-08-30", "zip": "", "city": "Burleigh", "date": "2026-08-30", "county": "Burleigh", "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 BIS for Burleigh on 2026-08-30. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS BIS — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "BIS-SV-W-320" }, { "id": "iem-ww-BIS-SV-W-320-Burleigh-hail-2026-08-30", "zip": "", "city": "Burleigh", "date": "2026-08-30", "county": "Burleigh", "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 BIS for Burleigh on 2026-08-30. Storm tag hail: 1\". This is a warning — not a confirmed event.", "sourceDetail": "NWS BIS — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1, "warningProductKey": "BIS-SV-W-320" }, { "id": "iem-ww-BIS-SV-W-321-Burleigh-wind-2026-08-30", "zip": "", "city": "Burleigh", "date": "2026-08-30", "county": "Burleigh", "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 BIS for Burleigh on 2026-08-30. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS BIS — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "BIS-SV-W-321" }, { "id": "iem-ww-BIS-SV-W-290-Burleigh-wind-2026-08-24", "zip": "", "city": "Burleigh", "date": "2026-08-24", "county": "Burleigh", "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 BIS for Burleigh on 2026-08-24. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS BIS — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "BIS-SV-W-290" }, { "id": "iem-ww-BIS-SV-W-290-Burleigh-hail-2026-08-24", "zip": "", "city": "Burleigh", "date": "2026-08-24", "county": "Burleigh", "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 BIS for Burleigh on 2026-08-24. Storm tag hail: 1\". This is a warning — not a confirmed event.", "sourceDetail": "NWS BIS — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1, "warningProductKey": "BIS-SV-W-290" }, { "id": "iem-lsr-2026-08-11-hail-46.74--100.76", "lat": 46.74, "lon": -100.76, "zip": "", "city": "3 WSW Lincoln", "date": "2026-08-11", "county": "Burleigh", "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 3 WSW Lincoln", "sourceDetail": "NWS BIS — Trained Spotter via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 0.88 }, { "id": "iem-lsr-2026-08-11-hail-46.87--101.15", "lat": 46.87, "lon": -101.15, "zip": "", "city": "3 W Crown Butte Lake", "date": "2026-08-11", "county": "Morton", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Photo shared by broadcast media. Hail lasted 17 minutes.", "sourceDetail": "NWS BIS — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1.75 }, { "id": "iem-lsr-2026-08-11-hail-46.76--100.70", "lat": 46.76, "lon": -100.7, "zip": "", "city": "Lincoln", "date": "2026-08-11", "county": "Burleigh", "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 Lincoln", "sourceDetail": "NWS BIS — NWS Employee via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1.25 }, { "id": "iem-lsr-2026-08-11-hail-46.73--100.70", "lat": 46.73, "lon": -100.7, "zip": "", "city": "2 S Lincoln", "date": "2026-08-11", "county": "Burleigh", "source": "IEM Local Storm Reports", "severity": "severe", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Multiple reports of large hail in and around Lincoln. Largest around tennis ball sized.", "sourceDetail": "NWS BIS — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 2.5 }, { "id": "iem-lsr-2026-08-11-hail-46.77--100.69", "lat": 46.77, "lon": -100.69, "zip": "", "city": "1 NE Lincoln", "date": "2026-08-11", "county": "Burleigh", "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 BIS — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-08-11-hail-46.76--100.70", "lat": 46.76, "lon": -100.7, "zip": "", "city": "Lincoln", "date": "2026-08-11", "county": "Burleigh", "source": "IEM Local Storm Reports", "severity": "severe", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "HAIL reported near Lincoln", "sourceDetail": "NWS BIS — NWS Employee via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 2 }, { "id": "iem-lsr-2026-08-11-hail-46.76--100.62", "lat": 46.76, "lon": -100.62, "zip": "", "city": "4 E Lincoln", "date": "2026-08-11", "county": "Burleigh", "source": "IEM Local Storm Reports", "severity": "severe", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Photo relayed through social media.", "sourceDetail": "NWS BIS — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 2 }, { "id": "iem-lsr-2026-08-11-hail-46.81--100.53", "lat": 46.81, "lon": -100.53, "zip": "", "city": "1 S Menoken", "date": "2026-08-11", "county": "Burleigh", "source": "IEM Local Storm Reports", "severity": "severe", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Social media report and photo of baseball sized hail south of Menoken.", "sourceDetail": "NWS BIS — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 2.75 }, { "id": "iem-lsr-2026-08-11-hail-46.81--100.60", "lat": 46.81, "lon": -100.6, "zip": "", "city": "3 W Menoken", "date": "2026-08-11", "county": "Burleigh", "source": "IEM Local Storm Reports", "severity": "severe", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Public social media report and photo of near baseball size hail south of Apple Valley.", "sourceDetail": "NWS BIS — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 2.75 }, { "id": "iem-lsr-2026-08-11-hail-46.93--100.55", "lat": 46.93, "lon": -100.55, "zip": "", "city": "8 N Menoken", "date": "2026-08-11", "county": "Burleigh", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Mostly pea sized hail with a few nickel to quarter sized mixed in. Hail lasted 16 minutes ending at 1124 pm CDT. Little wind. 0.89 inches of rain.", "sourceDetail": "NWS BIS — Trained Spotter via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-ww-BIS-SV-W-278-Burleigh-wind-2026-08-11", "zip": "", "city": "Burleigh", "date": "2026-08-11", "county": "Burleigh", "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 BIS for Burleigh on 2026-08-11. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS BIS — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "BIS-SV-W-278" }, { "id": "iem-ww-BIS-SV-W-278-Burleigh-hail-2026-08-11", "zip": "", "city": "Burleigh", "date": "2026-08-11", "county": "Burleigh", "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 BIS for Burleigh on 2026-08-11. Storm tag hail: 1.25\". This is a warning — not a confirmed event.", "sourceDetail": "NWS BIS — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1.25, "warningProductKey": "BIS-SV-W-278" }, { "id": "iem-ww-BIS-SV-W-275-Burleigh-wind-2026-08-11", "zip": "", "city": "Burleigh", "date": "2026-08-11", "county": "Burleigh", "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 BIS for Burleigh on 2026-08-11. Storm tag wind: 70 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS BIS — Severe Thunderstorm Warning", "windSpeedMph": 70, "evidenceLevel": "warning", "warningProductKey": "BIS-SV-W-275" }, { "id": "iem-ww-BIS-SV-W-275-Burleigh-hail-2026-08-11", "zip": "", "city": "Burleigh", "date": "2026-08-11", "county": "Burleigh", "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 BIS for Burleigh on 2026-08-11. Storm tag hail: 1\". This is a warning — not a confirmed event.", "sourceDetail": "NWS BIS — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1, "warningProductKey": "BIS-SV-W-275" }, { "id": "iem-ww-BIS-SV-W-277-Burleigh-wind-2026-08-11", "zip": "", "city": "Burleigh", "date": "2026-08-11", "county": "Burleigh", "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 BIS for Burleigh on 2026-08-11. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS BIS — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "BIS-SV-W-277" }, { "id": "iem-ww-BIS-SV-W-277-Burleigh-hail-2026-08-11", "zip": "", "city": "Burleigh", "date": "2026-08-11", "county": "Burleigh", "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 BIS for Burleigh on 2026-08-11. Storm tag hail: 1.5\". This is a warning — not a confirmed event.", "sourceDetail": "NWS BIS — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1.5, "warningProductKey": "BIS-SV-W-277" }, { "id": "iem-lsr-2026-08-03-wind-46.77--100.90", "lat": 46.77, "lon": -100.9, "zip": "", "city": "4 S Mandan", "date": "2026-08-03", "county": "Morton", "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 KY19 Mandan.", "sourceDetail": "NWS BIS — AWOS via Iowa Mesonet", "windSpeedMph": 62, "evidenceLevel": "observed" }, { "id": "asos-BIS-2026-08-03-1683", "lat": 46.7727, "lon": -100.7458, "zip": "", "city": "BISMARCK", "date": "2026-08-03", "county": "Burleigh", "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": "BISMARCK (BIS) recorded a 58 mph gust.", "sourceDetail": "ND_ASOS automated observation — BISMARCK (BIS)", "windSpeedMph": 58, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-08-03-wind-46.63--100.72", "lat": 46.63, "lon": -100.72, "zip": "", "city": "4 W Huff", "date": "2026-08-03", "county": "Morton", "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 EW9213 Huff Hills.", "sourceDetail": "NWS BIS — Mesonet via Iowa Mesonet", "windSpeedMph": 66, "evidenceLevel": "observed" }, { "id": "asos-BIS-2026-08-03-3894", "lat": 46.7727, "lon": -100.7458, "zip": "", "city": "BISMARCK", "date": "2026-08-03", "county": "Burleigh", "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": "BISMARCK (BIS) recorded a 53 mph gust.", "sourceDetail": "ND_ASOS automated observation — BISMARCK (BIS)", "windSpeedMph": 53, "evidenceLevel": "observed" }, { "id": "asos-BIS-2026-08-03-4096", "lat": 46.7727, "lon": -100.7458, "zip": "", "city": "BISMARCK", "date": "2026-08-03", "county": "Burleigh", "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": "BISMARCK (BIS) recorded a 56 mph gust.", "sourceDetail": "ND_ASOS automated observation — BISMARCK (BIS)", "windSpeedMph": 56, "evidenceLevel": "observed" }, { "id": "asos-bf-Y19-2026-08-03", "lat": 46.768, "lon": -100.8944, "zip": "", "city": "Mandam", "date": "2026-08-03", "county": "Morton", "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": "Mandam (Y19) recorded a 62 mph gust.", "sourceDetail": "ND_ASOS automated observation — Mandam (Y19) [365d backfill 2026-08]", "windSpeedMph": 62, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-07-24-wind-47.00--100.78", "lat": 47, "lon": -100.78, "zip": "", "city": "2 SSW Baldwin", "date": "2026-07-24", "county": "Burleigh", "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": "Measured wind gust at private weather station.", "sourceDetail": "NWS BIS — Public via Iowa Mesonet", "windSpeedMph": 56, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-07-24-wind-46.99--100.32", "lat": 46.99, "lon": -100.32, "zip": "", "city": "10 S Wing", "date": "2026-07-24", "county": "Burleigh", "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": "Measured wind gust at private weather station.", "sourceDetail": "NWS BIS — Public via Iowa Mesonet", "windSpeedMph": 89, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-07-24-wind-46.82--100.38", "lat": 46.82, "lon": -100.38, "zip": "", "city": "1 E Mckenzie", "date": "2026-07-24", "county": "Burleigh", "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": "73 MPH gust measured at 10M at McKenzie 2E NDAWN. 53 MPH measured at 3M.", "sourceDetail": "NWS BIS — Mesonet via Iowa Mesonet", "windSpeedMph": 73, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-07-24-wind-46.82--100.38", "lat": 46.82, "lon": -100.38, "zip": "", "city": "1 E Mckenzie", "date": "2026-07-24", "county": "Burleigh", "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": "75 MPH gust measured at 10M at McKenzie 2E NDAWN. 57 MPH measured at 3M.", "sourceDetail": "NWS BIS — Mesonet via Iowa Mesonet", "windSpeedMph": 75, "evidenceLevel": "observed" }, { "id": "iem-ww-BIS-SV-W-229-Burleigh-wind-2026-07-24", "zip": "", "city": "Burleigh", "date": "2026-07-24", "county": "Burleigh", "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 BIS for Burleigh on 2026-07-24. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS BIS — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "BIS-SV-W-229" }, { "id": "iem-ww-BIS-SV-W-229-Burleigh-hail-2026-07-24", "zip": "", "city": "Burleigh", "date": "2026-07-24", "county": "Burleigh", "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 BIS for Burleigh on 2026-07-24. Storm tag hail: 1.25\". This is a warning — not a confirmed event.", "sourceDetail": "NWS BIS — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1.25, "warningProductKey": "BIS-SV-W-229" }, { "id": "iem-ww-BIS-SV-W-231-Burleigh-wind-2026-07-24", "zip": "", "city": "Burleigh", "date": "2026-07-24", "county": "Burleigh", "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 BIS for Burleigh on 2026-07-24. Storm tag wind: 70 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS BIS — Severe Thunderstorm Warning", "windSpeedMph": 70, "evidenceLevel": "warning", "warningProductKey": "BIS-SV-W-231" }, { "id": "iem-ww-BIS-SV-W-231-Burleigh-hail-2026-07-24", "zip": "", "city": "Burleigh", "date": "2026-07-24", "county": "Burleigh", "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 BIS for Burleigh on 2026-07-24. Storm tag hail: 1\". This is a warning — not a confirmed event.", "sourceDetail": "NWS BIS — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1, "warningProductKey": "BIS-SV-W-231" }, { "id": "iem-ww-BIS-SV-W-226-Burleigh-wind-2026-07-24", "zip": "", "city": "Burleigh", "date": "2026-07-24", "county": "Burleigh", "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 BIS for Burleigh on 2026-07-24. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS BIS — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "BIS-SV-W-226" }, { "id": "iem-ww-BIS-SV-W-226-Burleigh-hail-2026-07-24", "zip": "", "city": "Burleigh", "date": "2026-07-24", "county": "Burleigh", "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 BIS for Burleigh on 2026-07-24. Storm tag hail: 1.5\". This is a warning — not a confirmed event.", "sourceDetail": "NWS BIS — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1.5, "warningProductKey": "BIS-SV-W-226" }, { "id": "iem-ww-BIS-SV-W-228-Burleigh-wind-2026-07-24", "zip": "", "city": "Burleigh", "date": "2026-07-24", "county": "Burleigh", "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 BIS for Burleigh on 2026-07-24. Storm tag wind: 70 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS BIS — Severe Thunderstorm Warning", "windSpeedMph": 70, "evidenceLevel": "warning", "warningProductKey": "BIS-SV-W-228" }, { "id": "iem-ww-BIS-SV-W-228-Burleigh-hail-2026-07-24", "zip": "", "city": "Burleigh", "date": "2026-07-24", "county": "Burleigh", "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 BIS for Burleigh on 2026-07-24. Storm tag hail: 1\". This is a warning — not a confirmed event.", "sourceDetail": "NWS BIS — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1, "warningProductKey": "BIS-SV-W-228" }, { "id": "iem-lsr-2026-07-19-hail-46.88--100.74", "lat": 46.88, "lon": -100.74, "zip": "", "city": "5 NE Bismarck", "date": "2026-07-19", "county": "Burleigh", "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 5 NE Bismarck", "sourceDetail": "NWS BIS — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1.25 }, { "id": "iem-lsr-2026-07-19-hail-46.88--100.75", "lat": 46.88, "lon": -100.75, "zip": "", "city": "5 NNE Bismarck", "date": "2026-07-19", "county": "Burleigh", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Social media picture of hailstone in the palm of a hand.", "sourceDetail": "NWS BIS — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-07-19-hail-46.89--100.73", "lat": 46.89, "lon": -100.73, "zip": "", "city": "6 NNE Bismarck", "date": "2026-07-19", "county": "Burleigh", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Broadcast media relayed picture compared to a ping pong ball. Time based on radar.", "sourceDetail": "NWS BIS — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1.5 }, { "id": "iem-lsr-2026-07-19-hail-46.88--100.68", "lat": 46.88, "lon": -100.68, "zip": "", "city": "7 NE Bismarck", "date": "2026-07-19", "county": "Burleigh", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Broadcast media relayed picture. Time based on radar.", "sourceDetail": "NWS BIS — Broadcast Media via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1.5 }, { "id": "iem-lsr-2026-07-19-hail-46.90--100.64", "lat": 46.9, "lon": -100.64, "zip": "", "city": "7 NW Menoken", "date": "2026-07-19", "county": "Burleigh", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Broadcast media reported pictures. Time based on radar.", "sourceDetail": "NWS BIS — Broadcast Media via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1.75 }, { "id": "iem-lsr-2026-07-19-hail-46.90--100.51", "lat": 46.9, "lon": -100.51, "zip": "", "city": "6 N Menoken", "date": "2026-07-19", "county": "Burleigh", "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: Half Dollar (1.25 in.).", "sourceDetail": "NWS BIS — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1.25 }, { "id": "iem-ww-BIS-SV-W-215-Burleigh-wind-2026-07-19", "zip": "", "city": "Burleigh", "date": "2026-07-19", "county": "Burleigh", "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 BIS for Burleigh on 2026-07-19. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS BIS — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "BIS-SV-W-215" }, { "id": "iem-ww-BIS-SV-W-215-Burleigh-hail-2026-07-19", "zip": "", "city": "Burleigh", "date": "2026-07-19", "county": "Burleigh", "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 BIS for Burleigh on 2026-07-19. Storm tag hail: 1.75\". This is a warning — not a confirmed event.", "sourceDetail": "NWS BIS — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1.75, "warningProductKey": "BIS-SV-W-215" }, { "id": "iem-ww-BIS-SV-W-218-Burleigh-wind-2026-07-19", "zip": "", "city": "Burleigh", "date": "2026-07-19", "county": "Burleigh", "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 BIS for Burleigh on 2026-07-19. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS BIS — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "BIS-SV-W-218" }, { "id": "iem-ww-BIS-SV-W-218-Burleigh-hail-2026-07-19", "zip": "", "city": "Burleigh", "date": "2026-07-19", "county": "Burleigh", "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 BIS for Burleigh on 2026-07-19. Storm tag hail: 1.75\". This is a warning — not a confirmed event.", "sourceDetail": "NWS BIS — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1.75, "warningProductKey": "BIS-SV-W-218" }, { "id": "iem-lsr-2026-07-09-hail-47.16--100.53", "lat": 47.16, "lon": -100.53, "zip": "", "city": "Regan", "date": "2026-07-09", "county": "Burleigh", "source": "IEM Local Storm Reports", "severity": "severe", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Delayed report. Photo relayed by broadcast media showing a variety of hail sizes ranging from as small as pea size to as large as 2 inches in diameter. Photo was taken at 845 PM. Report time estimate", "sourceDetail": "NWS BIS — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 2 }, { "id": "iem-lsr-2026-07-09-wind-46.51--101.01", "lat": 46.51, "lon": -101.01, "zip": "", "city": "9 SSW Saint Anthony", "date": "2026-07-09", "county": "Morton", "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": "57 MPH wind gust at 10M recorded at 8SW St. Anthony NDAWN.", "sourceDetail": "NWS BIS — Mesonet via Iowa Mesonet", "windSpeedMph": 57, "evidenceLevel": "observed" }, { "id": "iem-ww-BIS-SV-W-204-Burleigh-wind-2026-07-09", "zip": "", "city": "Burleigh", "date": "2026-07-09", "county": "Burleigh", "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 BIS for Burleigh on 2026-07-09. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS BIS — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "BIS-SV-W-204" }, { "id": "iem-ww-BIS-SV-W-204-Burleigh-hail-2026-07-09", "zip": "", "city": "Burleigh", "date": "2026-07-09", "county": "Burleigh", "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 BIS for Burleigh on 2026-07-09. Storm tag hail: 1.75\". This is a warning — not a confirmed event.", "sourceDetail": "NWS BIS — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1.75, "warningProductKey": "BIS-SV-W-204" }, { "id": "iem-ww-BIS-SV-W-203-Burleigh-wind-2026-07-09", "zip": "", "city": "Burleigh", "date": "2026-07-09", "county": "Burleigh", "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 BIS for Burleigh on 2026-07-09. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS BIS — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "BIS-SV-W-203" }, { "id": "iem-ww-BIS-SV-W-203-Burleigh-hail-2026-07-09", "zip": "", "city": "Burleigh", "date": "2026-07-09", "county": "Burleigh", "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 BIS for Burleigh on 2026-07-09. Storm tag hail: 2.75\". This is a warning — not a confirmed event.", "sourceDetail": "NWS BIS — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 2.75, "warningProductKey": "BIS-SV-W-203" }, { "id": "iem-ww-BIS-SV-W-193-Burleigh-wind-2026-07-09", "zip": "", "city": "Burleigh", "date": "2026-07-09", "county": "Burleigh", "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 BIS for Burleigh on 2026-07-09. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS BIS — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "BIS-SV-W-193" }, { "id": "iem-ww-BIS-SV-W-193-Burleigh-hail-2026-07-09", "zip": "", "city": "Burleigh", "date": "2026-07-09", "county": "Burleigh", "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 BIS for Burleigh on 2026-07-09. Storm tag hail: 1.75\". This is a warning — not a confirmed event.", "sourceDetail": "NWS BIS — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1.75, "warningProductKey": "BIS-SV-W-193" }, { "id": "iem-ww-BIS-SV-W-197-Burleigh-wind-2026-07-09", "zip": "", "city": "Burleigh", "date": "2026-07-09", "county": "Burleigh", "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 BIS for Burleigh on 2026-07-09. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS BIS — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "BIS-SV-W-197" }, { "id": "iem-ww-BIS-SV-W-197-Burleigh-hail-2026-07-09", "zip": "", "city": "Burleigh", "date": "2026-07-09", "county": "Burleigh", "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 BIS for Burleigh on 2026-07-09. Storm tag hail: 1\". This is a warning — not a confirmed event.", "sourceDetail": "NWS BIS — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1, "warningProductKey": "BIS-SV-W-197" }, { "id": "iem-ww-BIS-SV-W-201-Burleigh-wind-2026-07-09", "zip": "", "city": "Burleigh", "date": "2026-07-09", "county": "Burleigh", "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 BIS for Burleigh on 2026-07-09. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS BIS — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "BIS-SV-W-201" }, { "id": "iem-ww-BIS-SV-W-201-Burleigh-hail-2026-07-09", "zip": "", "city": "Burleigh", "date": "2026-07-09", "county": "Burleigh", "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 BIS for Burleigh on 2026-07-09. Storm tag hail: 1.5\". This is a warning — not a confirmed event.", "sourceDetail": "NWS BIS — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1.5, "warningProductKey": "BIS-SV-W-201" }, { "id": "iem-ww-BIS-SV-W-199-Burleigh-wind-2026-07-09", "zip": "", "city": "Burleigh", "date": "2026-07-09", "county": "Burleigh", "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 BIS for Burleigh on 2026-07-09. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS BIS — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "BIS-SV-W-199" }, { "id": "iem-ww-BIS-SV-W-199-Burleigh-hail-2026-07-09", "zip": "", "city": "Burleigh", "date": "2026-07-09", "county": "Burleigh", "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 BIS for Burleigh on 2026-07-09. Storm tag hail: 1.75\". This is a warning — not a confirmed event.", "sourceDetail": "NWS BIS — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1.75, "warningProductKey": "BIS-SV-W-199" }, { "id": "iem-ww-BIS-SV-W-202-Burleigh-wind-2026-07-09", "zip": "", "city": "Burleigh", "date": "2026-07-09", "county": "Burleigh", "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 BIS for Burleigh on 2026-07-09. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS BIS — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "BIS-SV-W-202" }, { "id": "iem-ww-BIS-SV-W-202-Burleigh-hail-2026-07-09", "zip": "", "city": "Burleigh", "date": "2026-07-09", "county": "Burleigh", "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 BIS for Burleigh on 2026-07-09. Storm tag hail: 1.75\". This is a warning — not a confirmed event.", "sourceDetail": "NWS BIS — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1.75, "warningProductKey": "BIS-SV-W-202" }, { "id": "iem-ww-BIS-SV-W-192-Burleigh-wind-2026-07-09", "zip": "", "city": "Burleigh", "date": "2026-07-09", "county": "Burleigh", "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 BIS for Burleigh on 2026-07-09. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS BIS — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "BIS-SV-W-192" }, { "id": "iem-ww-BIS-SV-W-192-Burleigh-hail-2026-07-09", "zip": "", "city": "Burleigh", "date": "2026-07-09", "county": "Burleigh", "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 BIS for Burleigh on 2026-07-09. Storm tag hail: 1.5\". This is a warning — not a confirmed event.", "sourceDetail": "NWS BIS — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1.5, "warningProductKey": "BIS-SV-W-192" }, { "id": "iem-ww-BIS-SV-W-198-Burleigh-wind-2026-07-09", "zip": "", "city": "Burleigh", "date": "2026-07-09", "county": "Burleigh", "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 BIS for Burleigh on 2026-07-09. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS BIS — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "BIS-SV-W-198" }, { "id": "iem-ww-BIS-SV-W-198-Burleigh-hail-2026-07-09", "zip": "", "city": "Burleigh", "date": "2026-07-09", "county": "Burleigh", "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 BIS for Burleigh on 2026-07-09. Storm tag hail: 1.5\". This is a warning — not a confirmed event.", "sourceDetail": "NWS BIS — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1.5, "warningProductKey": "BIS-SV-W-198" }, { "id": "iem-ww-BIS-TO-W-14-Burleigh-tornado-2026-07-09", "zip": "", "city": "Burleigh", "date": "2026-07-09", "county": "Burleigh", "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 BIS for Burleigh on 2026-07-09. This is a warning — not a confirmed event.", "sourceDetail": "NWS BIS — Tornado Warning", "evidenceLevel": "warning", "warningProductKey": "BIS-TO-W-14" }, { "id": "iem-lsr-2026-06-29-hail-46.83--100.89", "lat": 46.83, "lon": -100.89, "zip": "", "city": "Mandan", "date": "2026-06-29", "county": "Morton", "source": "IEM Local Storm Reports", "severity": "severe", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Trained weather spotter reports hail up to 2 inches in Mandan. Hail ranged from 1.5 to 2.0 inches in size_ and lasted for around 5 minutes. Also report numerous 1 inch tree branches down in their yar", "sourceDetail": "NWS BIS — Trained Spotter via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 2 }, { "id": "iem-lsr-2026-06-29-hail-46.88--100.81", "lat": 46.88, "lon": -100.81, "zip": "", "city": "5 NNW Bismarck", "date": "2026-06-29", "county": "Burleigh", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Off duty NWS employee reported golf ball size hail and 60 mph wind gusts. One window on house was broken.", "sourceDetail": "NWS BIS — NWS Employee via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1.75 }, { "id": "iem-lsr-2026-06-29-hail-46.86--100.78", "lat": 46.86, "lon": -100.78, "zip": "", "city": "4 N Bismarck", "date": "2026-06-29", "county": "Burleigh", "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 N Bismarck", "sourceDetail": "NWS BIS — Trained Spotter via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-06-29-hail-46.90--100.76", "lat": 46.9, "lon": -100.76, "zip": "", "city": "7 N Bismarck", "date": "2026-06-29", "county": "Burleigh", "source": "IEM Local Storm Reports", "severity": "severe", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Time estimated from radar.", "sourceDetail": "NWS BIS — Trained Spotter via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 2 }, { "id": "iem-lsr-2026-06-29-hail-47.02--100.53", "lat": 47.02, "lon": -100.53, "zip": "", "city": "9 S Regan", "date": "2026-06-29", "county": "Burleigh", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Photo relayed through broadcast media of multiple large hailstones.", "sourceDetail": "NWS BIS — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1.5 }, { "id": "iem-lsr-2026-06-29-hail-47.16--100.16", "lat": 47.16, "lon": -100.16, "zip": "", "city": "2 N Arena", "date": "2026-06-29", "county": "Burleigh", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Relayed through broadcast media.", "sourceDetail": "NWS BIS — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1.5 }, { "id": "iem-lsr-2026-06-29-wind-46.77--100.91", "lat": 46.77, "lon": -100.91, "zip": "", "city": "4 SSW Mandan", "date": "2026-06-29", "county": "Morton", "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": "63 MPH wind gust at 10M measured from Mandan 4S NDAWN.", "sourceDetail": "NWS BIS — Mesonet via Iowa Mesonet", "windSpeedMph": 63, "evidenceLevel": "observed" }, { "id": "iem-ww-BIS-SV-W-132-Burleigh-wind-2026-06-29", "zip": "", "city": "Burleigh", "date": "2026-06-29", "county": "Burleigh", "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 BIS for Burleigh on 2026-06-29. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS BIS — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "BIS-SV-W-132" }, { "id": "iem-ww-BIS-SV-W-132-Burleigh-hail-2026-06-29", "zip": "", "city": "Burleigh", "date": "2026-06-29", "county": "Burleigh", "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 BIS for Burleigh on 2026-06-29. Storm tag hail: 1.75\". This is a warning — not a confirmed event.", "sourceDetail": "NWS BIS — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1.75, "warningProductKey": "BIS-SV-W-132" }, { "id": "iem-ww-BIS-SV-W-127-Burleigh-wind-2026-06-29", "zip": "", "city": "Burleigh", "date": "2026-06-29", "county": "Burleigh", "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 BIS for Burleigh on 2026-06-29. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS BIS — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "BIS-SV-W-127" }, { "id": "iem-ww-BIS-SV-W-127-Burleigh-hail-2026-06-29", "zip": "", "city": "Burleigh", "date": "2026-06-29", "county": "Burleigh", "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 BIS for Burleigh on 2026-06-29. Storm tag hail: 2.5\". This is a warning — not a confirmed event.", "sourceDetail": "NWS BIS — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 2.5, "warningProductKey": "BIS-SV-W-127" }, { "id": "iem-ww-BIS-SV-W-129-Burleigh-wind-2026-06-29", "zip": "", "city": "Burleigh", "date": "2026-06-29", "county": "Burleigh", "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 BIS for Burleigh on 2026-06-29. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS BIS — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "BIS-SV-W-129" }, { "id": "iem-ww-BIS-SV-W-129-Burleigh-hail-2026-06-29", "zip": "", "city": "Burleigh", "date": "2026-06-29", "county": "Burleigh", "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 BIS for Burleigh on 2026-06-29. Storm tag hail: 2\". This is a warning — not a confirmed event.", "sourceDetail": "NWS BIS — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 2, "warningProductKey": "BIS-SV-W-129" }, { "id": "iem-ww-BIS-TO-W-12-Burleigh-tornado-2026-06-29", "zip": "", "city": "Burleigh", "date": "2026-06-29", "county": "Burleigh", "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 BIS for Burleigh on 2026-06-29. This is a warning — not a confirmed event.", "sourceDetail": "NWS BIS — Tornado Warning", "evidenceLevel": "warning", "warningProductKey": "BIS-TO-W-12" }, { "id": "iem-ww-BIS-SV-W-106-Burleigh-wind-2026-06-27", "zip": "", "city": "Burleigh", "date": "2026-06-27", "county": "Burleigh", "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 BIS for Burleigh on 2026-06-27. Storm tag wind: 70 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS BIS — Severe Thunderstorm Warning", "windSpeedMph": 70, "evidenceLevel": "warning", "warningProductKey": "BIS-SV-W-106" }, { "id": "iem-ww-BIS-SV-W-106-Burleigh-hail-2026-06-27", "zip": "", "city": "Burleigh", "date": "2026-06-27", "county": "Burleigh", "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 BIS for Burleigh on 2026-06-27. Storm tag hail: 1\". This is a warning — not a confirmed event.", "sourceDetail": "NWS BIS — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1, "warningProductKey": "BIS-SV-W-106" }, { "id": "iem-ww-BIS-SV-W-102-Burleigh-wind-2026-06-27", "zip": "", "city": "Burleigh", "date": "2026-06-27", "county": "Burleigh", "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 BIS for Burleigh on 2026-06-27. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS BIS — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "BIS-SV-W-102" }, { "id": "iem-ww-BIS-SV-W-102-Burleigh-hail-2026-06-27", "zip": "", "city": "Burleigh", "date": "2026-06-27", "county": "Burleigh", "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 BIS for Burleigh on 2026-06-27. Storm tag hail: 1\". This is a warning — not a confirmed event.", "sourceDetail": "NWS BIS — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1, "warningProductKey": "BIS-SV-W-102" }, { "id": "iem-ww-BIS-TO-W-8-Burleigh-tornado-2026-06-27", "zip": "", "city": "Burleigh", "date": "2026-06-27", "county": "Burleigh", "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 BIS for Burleigh on 2026-06-27. This is a warning — not a confirmed event.", "sourceDetail": "NWS BIS — Tornado Warning", "evidenceLevel": "warning", "warningProductKey": "BIS-TO-W-8" }, { "id": "iem-ww-BIS-TO-W-10-Burleigh-tornado-2026-06-27", "zip": "", "city": "Burleigh", "date": "2026-06-27", "county": "Burleigh", "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 BIS for Burleigh on 2026-06-27. This is a warning — not a confirmed event.", "sourceDetail": "NWS BIS — Tornado Warning", "evidenceLevel": "warning", "warningProductKey": "BIS-TO-W-10" }, { "id": "iem-ww-BIS-TO-W-9-Burleigh-tornado-2026-06-27", "zip": "", "city": "Burleigh", "date": "2026-06-27", "county": "Burleigh", "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 BIS for Burleigh on 2026-06-27. This is a warning — not a confirmed event.", "sourceDetail": "NWS BIS — Tornado Warning", "evidenceLevel": "warning", "warningProductKey": "BIS-TO-W-9" }, { "id": "asos-bf-BIS-2026-06-27", "lat": 46.7727, "lon": -100.7458, "zip": "", "city": "BISMARCK", "date": "2026-06-27", "county": "Burleigh", "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": "BISMARCK (BIS) recorded a 52 mph gust.", "sourceDetail": "ND_ASOS automated observation — BISMARCK (BIS) [365d backfill 2026-08]", "windSpeedMph": 52, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-06-09-wind-46.68--100.24", "lat": 46.68, "lon": -100.24, "zip": "", "city": "3 E Moffit", "date": "2026-06-09", "county": "Burleigh", "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 TS633 Long Lake NWR.", "sourceDetail": "NWS BIS — Mesonet via Iowa Mesonet", "windSpeedMph": 73, "evidenceLevel": "observed" }, { "id": "iem-ww-BIS-SV-W-70-Burleigh-wind-2026-06-09", "zip": "", "city": "Burleigh", "date": "2026-06-09", "county": "Burleigh", "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 BIS for Burleigh on 2026-06-09. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS BIS — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "BIS-SV-W-70" }, { "id": "iem-ww-BIS-SV-W-70-Burleigh-hail-2026-06-09", "zip": "", "city": "Burleigh", "date": "2026-06-09", "county": "Burleigh", "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 BIS for Burleigh on 2026-06-09. Storm tag hail: 1\". This is a warning — not a confirmed event.", "sourceDetail": "NWS BIS — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1, "warningProductKey": "BIS-SV-W-70" }, { "id": "iem-ww-BIS-SV-W-76-Burleigh-wind-2026-06-09", "zip": "", "city": "Burleigh", "date": "2026-06-09", "county": "Burleigh", "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 BIS for Burleigh on 2026-06-09. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS BIS — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "BIS-SV-W-76" }, { "id": "iem-ww-BIS-SV-W-76-Burleigh-hail-2026-06-09", "zip": "", "city": "Burleigh", "date": "2026-06-09", "county": "Burleigh", "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 BIS for Burleigh on 2026-06-09. Storm tag hail: 1\". This is a warning — not a confirmed event.", "sourceDetail": "NWS BIS — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1, "warningProductKey": "BIS-SV-W-76" }, { "id": "iem-ww-BIS-SV-W-52-Burleigh-wind-2026-06-08", "zip": "", "city": "Burleigh", "date": "2026-06-08", "county": "Burleigh", "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 BIS for Burleigh on 2026-06-08. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS BIS — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "BIS-SV-W-52" }, { "id": "iem-ww-BIS-SV-W-52-Burleigh-hail-2026-06-08", "zip": "", "city": "Burleigh", "date": "2026-06-08", "county": "Burleigh", "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 BIS for Burleigh on 2026-06-08. Storm tag hail: 1\". This is a warning — not a confirmed event.", "sourceDetail": "NWS BIS — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1, "warningProductKey": "BIS-SV-W-52" }, { "id": "asos-bf-BIS-2026-06-07", "lat": 46.7727, "lon": -100.7458, "zip": "", "city": "BISMARCK", "date": "2026-06-07", "county": "Burleigh", "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": "BISMARCK (BIS) recorded a 68 mph gust.", "sourceDetail": "ND_ASOS automated observation — BISMARCK (BIS) [365d backfill 2026-08]", "windSpeedMph": 68, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-06-07-wind-47.27--100.33", "lat": 47.27, "lon": -100.33, "zip": "", "city": "9 NNW Wing", "date": "2026-06-07", "county": "Burleigh", "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": "10 meter measured wind gust at NDAWN station Wing 8N.", "sourceDetail": "NWS BIS — Mesonet via Iowa Mesonet", "windSpeedMph": 67, "evidenceLevel": "observed" }, { "id": "iem-ww-BIS-SV-W-47-Burleigh-wind-2026-06-07", "zip": "", "city": "Burleigh", "date": "2026-06-07", "county": "Burleigh", "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 BIS for Burleigh on 2026-06-07. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS BIS — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "BIS-SV-W-47" }, { "id": "iem-ww-BIS-SV-W-47-Burleigh-hail-2026-06-07", "zip": "", "city": "Burleigh", "date": "2026-06-07", "county": "Burleigh", "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 BIS for Burleigh on 2026-06-07. Storm tag hail: 1\". This is a warning — not a confirmed event.", "sourceDetail": "NWS BIS — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1, "warningProductKey": "BIS-SV-W-47" }, { "id": "iem-ww-BIS-SV-W-49-Burleigh-wind-2026-06-07", "zip": "", "city": "Burleigh", "date": "2026-06-07", "county": "Burleigh", "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 BIS for Burleigh on 2026-06-07. Storm tag wind: 70 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS BIS — Severe Thunderstorm Warning", "windSpeedMph": 70, "evidenceLevel": "warning", "warningProductKey": "BIS-SV-W-49" }, { "id": "iem-ww-BIS-SV-W-49-Burleigh-hail-2026-06-07", "zip": "", "city": "Burleigh", "date": "2026-06-07", "county": "Burleigh", "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 BIS for Burleigh on 2026-06-07. Storm tag hail: 1\". This is a warning — not a confirmed event.", "sourceDetail": "NWS BIS — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1, "warningProductKey": "BIS-SV-W-49" }, { "id": "asos-bf-BIS-2026-05-15", "lat": 46.7727, "lon": -100.7458, "zip": "", "city": "BISMARCK", "date": "2026-05-15", "county": "Burleigh", "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": "BISMARCK (BIS) recorded a 53 mph gust.", "sourceDetail": "ND_ASOS automated observation — BISMARCK (BIS) [365d backfill 2026-08]", "windSpeedMph": 53, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-05-14-wind-46.82--100.38", "lat": 46.82, "lon": -100.38, "zip": "", "city": "1 E Mckenzie", "date": "2026-05-14", "county": "Burleigh", "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": "NDAWN 10 meter peak wind gust.", "sourceDetail": "NWS BIS — Mesonet via Iowa Mesonet", "windSpeedMph": 57, "evidenceLevel": "observed" }, { "id": "asos-bf-BIS-2026-05-14", "lat": 46.7727, "lon": -100.7458, "zip": "", "city": "BISMARCK", "date": "2026-05-14", "county": "Burleigh", "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": "BISMARCK (BIS) recorded a 52 mph gust.", "sourceDetail": "ND_ASOS automated observation — BISMARCK (BIS) [365d backfill 2026-08]", "windSpeedMph": 52, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-05-14-wind-46.68--100.24", "lat": 46.68, "lon": -100.24, "zip": "", "city": "3 E Moffit", "date": "2026-05-14", "county": "Burleigh", "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 TS633 Long Lake NWR.", "sourceDetail": "NWS BIS — Mesonet via Iowa Mesonet", "windSpeedMph": 54, "evidenceLevel": "observed" }, { "id": "asos-bf-BIS-2026-04-23", "lat": 46.7727, "lon": -100.7458, "zip": "", "city": "BISMARCK", "date": "2026-04-23", "county": "Burleigh", "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": "BISMARCK (BIS) recorded a 57 mph gust.", "sourceDetail": "ND_ASOS automated observation — BISMARCK (BIS) [365d backfill 2026-08]", "windSpeedMph": 57, "evidenceLevel": "observed" }, { "id": "asos-bf-Y19-2026-04-23", "lat": 46.768, "lon": -100.8944, "zip": "", "city": "Mandam", "date": "2026-04-23", "county": "Morton", "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": "Mandam (Y19) recorded a 51 mph gust.", "sourceDetail": "ND_ASOS automated observation — Mandam (Y19) [365d backfill 2026-08]", "windSpeedMph": 51, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-04-08-wind-46.68--100.24", "lat": 46.68, "lon": -100.24, "zip": "", "city": "3 E Moffit", "date": "2026-04-08", "county": "Burleigh", "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 TS633 Long Lake NWR.", "sourceDetail": "NWS BIS — Mesonet via Iowa Mesonet", "windSpeedMph": 58, "evidenceLevel": "observed" }, { "id": "asos-bf-Y19-2026-04-08", "lat": 46.768, "lon": -100.8944, "zip": "", "city": "Mandam", "date": "2026-04-08", "county": "Morton", "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": "Mandam (Y19) recorded a 56 mph gust.", "sourceDetail": "ND_ASOS automated observation — Mandam (Y19) [365d backfill 2026-08]", "windSpeedMph": 56, "evidenceLevel": "observed" }, { "id": "asos-bf-BIS-2026-04-08", "lat": 46.7727, "lon": -100.7458, "zip": "", "city": "BISMARCK", "date": "2026-04-08", "county": "Burleigh", "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": "BISMARCK (BIS) recorded a 55 mph gust.", "sourceDetail": "ND_ASOS automated observation — BISMARCK (BIS) [365d backfill 2026-08]", "windSpeedMph": 55, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-03-12-wind-46.77--100.75", "lat": 46.77, "lon": -100.75, "zip": "", "city": "2 W Lincoln", "date": "2026-03-12", "county": "Burleigh", "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 KBIS Bismarck Airport.", "sourceDetail": "NWS BIS — ASOS via Iowa Mesonet", "windSpeedMph": 60, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-03-12-wind-46.77--100.91", "lat": 46.77, "lon": -100.91, "zip": "", "city": "4 SSW Mandan", "date": "2026-03-12", "county": "Morton", "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": "Mandan NDAWN 59 mph wind gust.", "sourceDetail": "NWS BIS — Mesonet via Iowa Mesonet", "windSpeedMph": 59, "evidenceLevel": "observed" }, { "id": "asos-bf-BIS-2026-03-12", "lat": 46.7727, "lon": -100.7458, "zip": "", "city": "BISMARCK", "date": "2026-03-12", "county": "Burleigh", "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": "BISMARCK (BIS) recorded a 70 mph gust.", "sourceDetail": "ND_ASOS automated observation — BISMARCK (BIS) [365d backfill 2026-08]", "windSpeedMph": 70, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-03-12-wind-46.77--100.90", "lat": 46.77, "lon": -100.9, "zip": "", "city": "4 S Mandan", "date": "2026-03-12", "county": "Morton", "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 KY19 Mandan.", "sourceDetail": "NWS BIS — AWOS via Iowa Mesonet", "windSpeedMph": 60, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-03-12-wind-46.68--100.24", "lat": 46.68, "lon": -100.24, "zip": "", "city": "3 E Moffit", "date": "2026-03-12", "county": "Burleigh", "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 TS633 Long Lake NWR.", "sourceDetail": "NWS BIS — Mesonet via Iowa Mesonet", "windSpeedMph": 71, "evidenceLevel": "observed" }, { "id": "iem-ww-BIS-SV-W-1-Burleigh-wind-2026-03-12", "zip": "", "city": "Burleigh", "date": "2026-03-12", "county": "Burleigh", "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 BIS for Burleigh on 2026-03-12. Storm tag wind: 70 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS BIS — Severe Thunderstorm Warning", "windSpeedMph": 70, "evidenceLevel": "warning", "warningProductKey": "BIS-SV-W-1" }, { "id": "iem-ww-BIS-SV-W-1-Burleigh-hail-2026-03-12", "zip": "", "city": "Burleigh", "date": "2026-03-12", "county": "Burleigh", "source": "IEM Watch/Warn Archive", "severity": "moderate", "eventType": "hail", "confidence": 0.72, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning issued by NWS BIS for Burleigh on 2026-03-12. Storm tag hail: 0.75\". This is a warning — not a confirmed event.", "sourceDetail": "NWS BIS — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 0.75, "warningProductKey": "BIS-SV-W-1" }, { "id": "asos-bf-Y19-2026-03-12", "lat": 46.768, "lon": -100.8944, "zip": "", "city": "Mandam", "date": "2026-03-12", "county": "Morton", "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": "Mandam (Y19) recorded a 60 mph gust.", "sourceDetail": "ND_ASOS automated observation — Mandam (Y19) [365d backfill 2026-08]", "windSpeedMph": 60, "evidenceLevel": "observed" }, { "id": "iem-ww-BIS-HW-W-2-Burleigh-wind-2026-03-12", "zip": "", "city": "Burleigh", "date": "2026-03-12", "county": "Burleigh", "source": "IEM High Wind Archive", "severity": "high", "eventType": "wind", "confidence": 0.72, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "HW W for Burleigh.", "sourceDetail": "NWS BIS — HW/W", "evidenceLevel": "warning", "warningProductKey": "BIS-HW-W-2" }, { "id": "asos-bf-BIS-2026-02-18", "lat": 46.7727, "lon": -100.7458, "zip": "", "city": "BISMARCK", "date": "2026-02-18", "county": "Burleigh", "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": "BISMARCK (BIS) recorded a 51 mph gust.", "sourceDetail": "ND_ASOS automated observation — BISMARCK (BIS) [365d backfill 2026-08]", "windSpeedMph": 51, "evidenceLevel": "observed" }, { "id": "asos-bf-Y19-2026-02-18", "lat": 46.768, "lon": -100.8944, "zip": "", "city": "Mandam", "date": "2026-02-18", "county": "Morton", "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": "Mandam (Y19) recorded a 51 mph gust.", "sourceDetail": "ND_ASOS automated observation — Mandam (Y19) [365d backfill 2026-08]", "windSpeedMph": 51, "evidenceLevel": "observed" }, { "id": "asos-bf-BIS-2026-01-21", "lat": 46.7727, "lon": -100.7458, "zip": "", "city": "BISMARCK", "date": "2026-01-21", "county": "Burleigh", "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": "BISMARCK (BIS) recorded a 57 mph gust.", "sourceDetail": "ND_ASOS automated observation — BISMARCK (BIS) [365d backfill 2026-08]", "windSpeedMph": 57, "evidenceLevel": "observed" }, { "id": "asos-bf-BIS-2026-01-16", "lat": 46.7727, "lon": -100.7458, "zip": "", "city": "BISMARCK", "date": "2026-01-16", "county": "Burleigh", "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": "BISMARCK (BIS) recorded a 56 mph gust.", "sourceDetail": "ND_ASOS automated observation — BISMARCK (BIS) [365d backfill 2026-08]", "windSpeedMph": 56, "evidenceLevel": "observed" }, { "id": "asos-bf-Y19-2026-01-16", "lat": 46.768, "lon": -100.8944, "zip": "", "city": "Mandam", "date": "2026-01-16", "county": "Morton", "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": "Mandam (Y19) recorded a 52 mph gust.", "sourceDetail": "ND_ASOS automated observation — Mandam (Y19) [365d backfill 2026-08]", "windSpeedMph": 52, "evidenceLevel": "observed" }, { "id": "asos-bf-Y19-2026-01-15", "lat": 46.768, "lon": -100.8944, "zip": "", "city": "Mandam", "date": "2026-01-15", "county": "Morton", "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": "Mandam (Y19) recorded a 52 mph gust.", "sourceDetail": "ND_ASOS automated observation — Mandam (Y19) [365d backfill 2026-08]", "windSpeedMph": 52, "evidenceLevel": "observed" }, { "id": "ncei-1311564-2026-01-15", "lon": 209529, "zip": "", "city": "Burleigh", "date": "2026-01-15", "county": "Burleigh", "source": "NCEI Storm Events Database", "severity": "moderate", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Glen Ullin NDDOT site reported wind gusts to 65 mph.", "sourceDetail": "Verified by Mesonet — NCEI Event #1311564", "windSpeedMph": 56, "evidenceLevel": "official_backfill" }, { "id": "iem-ww-BIS-HW-W-1-Burleigh-wind-2026-01-15", "zip": "", "city": "Burleigh", "date": "2026-01-15", "county": "Burleigh", "source": "IEM High Wind Archive", "severity": "high", "eventType": "wind", "confidence": 0.72, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "HW W for Burleigh.", "sourceDetail": "NWS BIS — HW/W", "evidenceLevel": "warning", "warningProductKey": "BIS-HW-W-1" }, { "id": "iem-lsr-2025-12-18-wind-46.78--100.76", "lat": 46.78, "lon": -100.76, "zip": "", "city": "2 SE Bismarck", "date": "2025-12-18", "county": "Burleigh", "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": "Bismarck ASOS Peak Gust.", "sourceDetail": "NWS BIS — ASOS via Iowa Mesonet", "windSpeedMph": 62, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-18-wind-46.77--100.90", "lat": 46.77, "lon": -100.9, "zip": "", "city": "4 S Mandan", "date": "2025-12-18", "county": "Morton", "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 KY19 Mandan.", "sourceDetail": "NWS BIS — AWOS via Iowa Mesonet", "windSpeedMph": 60, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-18-wind-46.84--100.25", "lat": 46.84, "lon": -100.25, "zip": "", "city": "3 NE Sterling", "date": "2025-12-18", "county": "Burleigh", "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": "Measured wind gust at Sterling NDDOT sensor.", "sourceDetail": "NWS BIS — Mesonet via Iowa Mesonet", "windSpeedMph": 61, "evidenceLevel": "observed" }, { "id": "asos-bf-Y19-2025-12-18", "lat": 46.768, "lon": -100.8944, "zip": "", "city": "Mandam", "date": "2025-12-18", "county": "Morton", "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": "Mandam (Y19) recorded a 60 mph gust.", "sourceDetail": "ND_ASOS automated observation — Mandam (Y19) [365d backfill 2026-08]", "windSpeedMph": 60, "evidenceLevel": "observed" }, { "id": "asos-bf-BIS-2025-12-18", "lat": 46.7727, "lon": -100.7458, "zip": "", "city": "BISMARCK", "date": "2025-12-18", "county": "Burleigh", "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": "BISMARCK (BIS) recorded a 62 mph gust.", "sourceDetail": "ND_ASOS automated observation — BISMARCK (BIS) [365d backfill 2026-08]", "windSpeedMph": 62, "evidenceLevel": "observed" }, { "id": "asos-bf-BIS-2025-12-17", "lat": 46.7727, "lon": -100.7458, "zip": "", "city": "BISMARCK", "date": "2025-12-17", "county": "Burleigh", "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": "BISMARCK (BIS) recorded a 57 mph gust.", "sourceDetail": "ND_ASOS automated observation — BISMARCK (BIS) [365d backfill 2026-08]", "windSpeedMph": 57, "evidenceLevel": "observed" }, { "id": "iem-ww-BIS-HW-W-7-Burleigh-wind-2025-12-17", "zip": "", "city": "Burleigh", "date": "2025-12-17", "county": "Burleigh", "source": "IEM High Wind Archive", "severity": "high", "eventType": "wind", "confidence": 0.72, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "HW W for Burleigh.", "sourceDetail": "NWS BIS — HW/W", "evidenceLevel": "warning", "warningProductKey": "BIS-HW-W-7" }, { "id": "asos-bf-BIS-2025-12-09", "lat": 46.7727, "lon": -100.7458, "zip": "", "city": "BISMARCK", "date": "2025-12-09", "county": "Burleigh", "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": "BISMARCK (BIS) recorded a 58 mph gust.", "sourceDetail": "ND_ASOS automated observation — BISMARCK (BIS) [365d backfill 2026-08]", "windSpeedMph": 58, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-09-wind-46.68--100.24", "lat": 46.68, "lon": -100.24, "zip": "", "city": "3 E Moffit", "date": "2025-12-09", "county": "Burleigh", "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 TS633 Long Lake NWR.", "sourceDetail": "NWS BIS — Mesonet via Iowa Mesonet", "windSpeedMph": 59, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-09-wind-46.77--100.91", "lat": 46.77, "lon": -100.91, "zip": "", "city": "4 SSW Mandan", "date": "2025-12-09", "county": "Morton", "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": "10 m wind gust at NDAWN station Mandan 4 S. Also reported sustained 10 m wind speed at 46 mph.", "sourceDetail": "NWS BIS — Mesonet via Iowa Mesonet", "windSpeedMph": 60, "evidenceLevel": "observed" }, { "id": "asos-bf-Y19-2025-12-09", "lat": 46.768, "lon": -100.8944, "zip": "", "city": "Mandam", "date": "2025-12-09", "county": "Morton", "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": "Mandam (Y19) recorded a 54 mph gust.", "sourceDetail": "ND_ASOS automated observation — Mandam (Y19) [365d backfill 2026-08]", "windSpeedMph": 54, "evidenceLevel": "observed" }, { "id": "iem-ww-BIS-HW-W-6-Burleigh-wind-2025-12-09", "zip": "", "city": "Burleigh", "date": "2025-12-09", "county": "Burleigh", "source": "IEM High Wind Archive", "severity": "high", "eventType": "wind", "confidence": 0.72, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "HW W for Burleigh.", "sourceDetail": "NWS BIS — HW/W", "evidenceLevel": "warning", "warningProductKey": "BIS-HW-W-6" }, { "id": "asos-bf-BIS-2025-11-02", "lat": 46.7727, "lon": -100.7458, "zip": "", "city": "BISMARCK", "date": "2025-11-02", "county": "Burleigh", "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": "BISMARCK (BIS) recorded a 51 mph gust.", "sourceDetail": "ND_ASOS automated observation — BISMARCK (BIS) [365d backfill 2026-08]", "windSpeedMph": 51, "evidenceLevel": "observed" }, { "id": "asos-bf-BIS-2025-10-21", "lat": 46.7727, "lon": -100.7458, "zip": "", "city": "BISMARCK", "date": "2025-10-21", "county": "Burleigh", "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": "BISMARCK (BIS) recorded a 53 mph gust.", "sourceDetail": "ND_ASOS automated observation — BISMARCK (BIS) [365d backfill 2026-08]", "windSpeedMph": 53, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-10-20-wind-46.77--100.75", "lat": 46.77, "lon": -100.75, "zip": "", "city": "2 W Lincoln", "date": "2025-10-20", "county": "Burleigh", "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 KBIS Bismarck Airport.", "sourceDetail": "NWS BIS — ASOS via Iowa Mesonet", "windSpeedMph": 59, "evidenceLevel": "observed" }, { "id": "asos-bf-Y19-2025-10-20", "lat": 46.768, "lon": -100.8944, "zip": "", "city": "Mandam", "date": "2025-10-20", "county": "Morton", "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": "Mandam (Y19) recorded a 54 mph gust.", "sourceDetail": "ND_ASOS automated observation — Mandam (Y19) [365d backfill 2026-08]", "windSpeedMph": 54, "evidenceLevel": "observed" }, { "id": "asos-bf-BIS-2025-10-20", "lat": 46.7727, "lon": -100.7458, "zip": "", "city": "BISMARCK", "date": "2025-10-20", "county": "Burleigh", "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": "BISMARCK (BIS) recorded a 58 mph gust.", "sourceDetail": "ND_ASOS automated observation — BISMARCK (BIS) [365d backfill 2026-08]", "windSpeedMph": 58, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-10-18-wind-46.68--100.24", "lat": 46.68, "lon": -100.24, "zip": "", "city": "3 E Moffit", "date": "2025-10-18", "county": "Burleigh", "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 TS633 Long Lake NWR. Wind gust associated with showers. Time estimated from radar.", "sourceDetail": "NWS BIS — Mesonet via Iowa Mesonet", "windSpeedMph": 56, "evidenceLevel": "observed" }, { "id": "asos-bf-BIS-2025-10-12", "lat": 46.7727, "lon": -100.7458, "zip": "", "city": "BISMARCK", "date": "2025-10-12", "county": "Burleigh", "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": "BISMARCK (BIS) recorded a 51 mph gust.", "sourceDetail": "ND_ASOS automated observation — BISMARCK (BIS) [365d backfill 2026-08]", "windSpeedMph": 51, "evidenceLevel": "observed" } ] }