{ "dataset": "Billings, MT storm events — 12-month window, 25-mile radius plus Yellowstone 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": "2026-09-20T08:20:22.677+00:00", "window_days": 365, "schema_version": "2.0.0", "event_count": 240, "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": "iem-lsr-2026-09-14-wind-45.70--108.76", "lat": 45.7, "lon": -108.76, "zip": "", "city": "2 NNE Laurel", "date": "2026-09-14", "county": "Yellowstone", "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 K6S8 2 NNE Laurel.", "sourceDetail": "NWS BYZ — AWOS via Iowa Mesonet", "windSpeedMph": 51, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-09-14-wind-45.80--108.55", "lat": 45.8, "lon": -108.55, "zip": "", "city": "1 NW Billings", "date": "2026-09-14", "county": "Yellowstone", "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 KBIL Billings.", "sourceDetail": "NWS BYZ — ASOS via Iowa Mesonet", "windSpeedMph": 52, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-09-14-wind-45.79--108.47", "lat": 45.79, "lon": -108.47, "zip": "", "city": "3 SW Lockwood", "date": "2026-09-14", "county": "Yellowstone", "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 MTYRB 3.1 SW Lockwood (MT DOT).", "sourceDetail": "NWS BYZ — Mesonet via Iowa Mesonet", "windSpeedMph": 55, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-09-14-wind-45.80--108.55", "lat": 45.8, "lon": -108.55, "zip": "", "city": "1 NW Billings", "date": "2026-09-14", "county": "Yellowstone", "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 KBIL Billings.", "sourceDetail": "NWS BYZ — ASOS via Iowa Mesonet", "windSpeedMph": 54, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-09-14-wind-46.13--108.76", "lat": 46.13, "lon": -108.76, "zip": "", "city": "6 ENE Broadview", "date": "2026-09-14", "county": "Yellowstone", "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 BDVM8 Broadview E.", "sourceDetail": "NWS BYZ — Mesonet via Iowa Mesonet", "windSpeedMph": 50, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-09-14-wind-45.70--108.76", "lat": 45.7, "lon": -108.76, "zip": "", "city": "2 NNE Laurel", "date": "2026-09-14", "county": "Yellowstone", "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 K6S8 2 NNE Laurel.", "sourceDetail": "NWS BYZ — AWOS via Iowa Mesonet", "windSpeedMph": 54, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-09-14-wind-45.70--108.76", "lat": 45.7, "lon": -108.76, "zip": "", "city": "2 NNE Laurel", "date": "2026-09-14", "county": "Yellowstone", "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 K6S8 2 NNE Laurel.", "sourceDetail": "NWS BYZ — AWOS via Iowa Mesonet", "windSpeedMph": 55, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-09-14-wind-46.24--108.14", "lat": 46.24, "lon": -108.14, "zip": "", "city": "18 SSE Delphia", "date": "2026-09-14", "county": "Yellowstone", "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 MTM99 Steamboat.", "sourceDetail": "NWS BYZ — Mesonet via Iowa Mesonet", "windSpeedMph": 52, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-09-14-wind-45.84--108.96", "lat": 45.84, "lon": -108.96, "zip": "", "city": "2 SW Molt", "date": "2026-09-14", "county": "Stillwater", "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 MOTM8 Molt S.", "sourceDetail": "NWS BYZ — Mesonet via Iowa Mesonet", "windSpeedMph": 50, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-09-14-wind-45.73--108.40", "lat": 45.73, "lon": -108.4, "zip": "", "city": "6 S Lockwood", "date": "2026-09-14", "county": "Yellowstone", "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 SDAM8 Soda Springs.", "sourceDetail": "NWS BYZ — Mesonet via Iowa Mesonet", "windSpeedMph": 50, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-09-14-wind-45.84--108.96", "lat": 45.84, "lon": -108.96, "zip": "", "city": "2 SW Molt", "date": "2026-09-14", "county": "Stillwater", "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 MOTM8 Molt S.", "sourceDetail": "NWS BYZ — Mesonet via Iowa Mesonet", "windSpeedMph": 54, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-09-14-wind-46.13--108.76", "lat": 46.13, "lon": -108.76, "zip": "", "city": "6 ENE Broadview", "date": "2026-09-14", "county": "Yellowstone", "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 BDVM8 Broadview E.", "sourceDetail": "NWS BYZ — Mesonet via Iowa Mesonet", "windSpeedMph": 53, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-09-14-wind-45.80--108.55", "lat": 45.8, "lon": -108.55, "zip": "", "city": "1 NW Billings", "date": "2026-09-14", "county": "Yellowstone", "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 KBIL Billings.", "sourceDetail": "NWS BYZ — ASOS via Iowa Mesonet", "windSpeedMph": 56, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-09-14-wind-45.63--108.49", "lat": 45.63, "lon": -108.49, "zip": "", "city": "12 SSE Billings", "date": "2026-09-14", "county": "Yellowstone", "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 BNGM8 Billings S.", "sourceDetail": "NWS BYZ — Mesonet via Iowa Mesonet", "windSpeedMph": 54, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-09-14-wind-45.79--108.47", "lat": 45.79, "lon": -108.47, "zip": "", "city": "3 SW Lockwood", "date": "2026-09-14", "county": "Yellowstone", "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 MTYRB 3.1 SW Lockwood (MT DOT).", "sourceDetail": "NWS BYZ — Mesonet via Iowa Mesonet", "windSpeedMph": 57, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-09-14-wind-45.63--108.49", "lat": 45.63, "lon": -108.49, "zip": "", "city": "12 SSE Billings", "date": "2026-09-14", "county": "Yellowstone", "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 BNGM8 Billings S.", "sourceDetail": "NWS BYZ — Mesonet via Iowa Mesonet", "windSpeedMph": 58, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-09-14-wind-45.70--108.76", "lat": 45.7, "lon": -108.76, "zip": "", "city": "2 NNE Laurel", "date": "2026-09-14", "county": "Yellowstone", "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 K6S8 2 NNE Laurel.", "sourceDetail": "NWS BYZ — AWOS via Iowa Mesonet", "windSpeedMph": 61, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-09-14-wind-45.79--108.47", "lat": 45.79, "lon": -108.47, "zip": "", "city": "3 SW Lockwood", "date": "2026-09-14", "county": "Yellowstone", "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 MTYRB 3.1 SW Lockwood (MT DOT).", "sourceDetail": "NWS BYZ — Mesonet via Iowa Mesonet", "windSpeedMph": 60, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-09-14-wind-45.73--108.40", "lat": 45.73, "lon": -108.4, "zip": "", "city": "6 S Lockwood", "date": "2026-09-14", "county": "Yellowstone", "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 SDAM8 Soda Springs.", "sourceDetail": "NWS BYZ — Mesonet via Iowa Mesonet", "windSpeedMph": 56, "evidenceLevel": "observed" }, { "id": "asos-BIL-2026-09-14-101253", "lat": 45.8069, "lon": -108.5422, "zip": "", "city": "BILLINGS/LOGAN INTL", "date": "2026-09-14", "county": "Yellowstone", "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": "BILLINGS/LOGAN INTL (BIL) recorded a 52 mph gust.", "sourceDetail": "MT_ASOS automated observation — BILLINGS/LOGAN INTL (BIL)", "windSpeedMph": 52, "evidenceLevel": "observed" }, { "id": "asos-BIL-2026-09-14-101526", "lat": 45.8069, "lon": -108.5422, "zip": "", "city": "BILLINGS/LOGAN INTL", "date": "2026-09-14", "county": "Yellowstone", "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": "BILLINGS/LOGAN INTL (BIL) recorded a 54 mph gust.", "sourceDetail": "MT_ASOS automated observation — BILLINGS/LOGAN INTL (BIL)", "windSpeedMph": 54, "evidenceLevel": "observed" }, { "id": "asos-BIL-2026-09-14-102074", "lat": 45.8069, "lon": -108.5422, "zip": "", "city": "BILLINGS/LOGAN INTL", "date": "2026-09-14", "county": "Yellowstone", "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": "BILLINGS/LOGAN INTL (BIL) recorded a 51 mph gust.", "sourceDetail": "MT_ASOS automated observation — BILLINGS/LOGAN INTL (BIL)", "windSpeedMph": 51, "evidenceLevel": "observed" }, { "id": "asos-BIL-2026-09-14-102346", "lat": 45.8069, "lon": -108.5422, "zip": "", "city": "BILLINGS/LOGAN INTL", "date": "2026-09-14", "county": "Yellowstone", "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": "BILLINGS/LOGAN INTL (BIL) recorded a 56 mph gust.", "sourceDetail": "MT_ASOS automated observation — BILLINGS/LOGAN INTL (BIL)", "windSpeedMph": 56, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-09-07-hail-45.90--108.31", "lat": 45.9, "lon": -108.31, "zip": "", "city": "1 ENE Huntley", "date": "2026-09-07", "county": "Yellowstone", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "4 vehicles suffered hail damage. Several windows on a home were shattered. Time estimated by radar.", "sourceDetail": "NWS BYZ — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-09-07-hail-45.94--108.35", "lat": 45.94, "lon": -108.35, "zip": "", "city": "Shepherd", "date": "2026-09-07", "county": "Yellowstone", "source": "IEM Local Storm Reports", "severity": "severe", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Numerous public reports of hail around 2 inch in diameter. Windows broken out.", "sourceDetail": "NWS BYZ — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 2 }, { "id": "iem-lsr-2026-09-07-hail-45.93--108.36", "lat": 45.93, "lon": -108.36, "zip": "", "city": "1 SW Shepherd", "date": "2026-09-07", "county": "Yellowstone", "source": "IEM Local Storm Reports", "severity": "severe", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Corrects previous hail report from 1 SW Shepherd due to incorrect time. Public reported hail estimated between golf ball and baseball sized. Time estimated by radar.", "sourceDetail": "NWS BYZ — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 2.75 }, { "id": "iem-lsr-2026-09-07-wind-45.80--108.55", "lat": 45.8, "lon": -108.55, "zip": "", "city": "1 NW Billings", "date": "2026-09-07", "county": "Yellowstone", "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 KBIL Billings.", "sourceDetail": "NWS BYZ — ASOS via Iowa Mesonet", "windSpeedMph": 53, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-09-07-wind-45.79--108.47", "lat": 45.79, "lon": -108.47, "zip": "", "city": "3 SW Lockwood", "date": "2026-09-07", "county": "Yellowstone", "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 MTYRB 3.1 SW Lockwood (MT DOT).", "sourceDetail": "NWS BYZ — Mesonet via Iowa Mesonet", "windSpeedMph": 64, "evidenceLevel": "observed" }, { "id": "asos-BIL-2026-09-07-53013", "lat": 45.8069, "lon": -108.5422, "zip": "", "city": "BILLINGS/LOGAN INTL", "date": "2026-09-07", "county": "Yellowstone", "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": "BILLINGS/LOGAN INTL (BIL) recorded a 53 mph gust.", "sourceDetail": "MT_ASOS automated observation — BILLINGS/LOGAN INTL (BIL)", "windSpeedMph": 53, "evidenceLevel": "observed" }, { "id": "spc-2026-09-06-hail-45.93-35", "lat": 45.93, "lon": -108.36, "zip": "", "city": "1 SW Shepherd", "date": "2026-09-06", "county": "Yellowstone", "source": "SPC Storm Reports", "severity": "severe", "eventType": "hail", "confidence": 0.93, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "hail reported near 1 SW Shepherd", "sourceDetail": "SPC filtered reports — 2026-09-06", "evidenceLevel": "reported", "hailSizeInches": 2.75 }, { "id": "spc-2026-09-06-wind-45.79-161", "lat": 45.79, "lon": -108.47, "zip": "", "city": "3 SW Lockwood", "date": "2026-09-06", "county": "Yellowstone", "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 SW Lockwood", "sourceDetail": "SPC filtered reports — 2026-09-06", "windSpeedMph": 64, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-08-30-wind-46.13--108.76", "lat": 46.13, "lon": -108.76, "zip": "", "city": "6 ENE Broadview", "date": "2026-08-30", "county": "Yellowstone", "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 BDVM8 Broadview E.", "sourceDetail": "NWS BYZ — Mesonet via Iowa Mesonet", "windSpeedMph": 53, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-08-27-wind-45.79--108.47", "lat": 45.79, "lon": -108.47, "zip": "", "city": "3 SW Lockwood", "date": "2026-08-27", "county": "Yellowstone", "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 MTYRB 3.1 SW Lockwood (MT DOT).", "sourceDetail": "NWS BYZ — Mesonet via Iowa Mesonet", "windSpeedMph": 57, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-08-27-wind-45.80--108.55", "lat": 45.8, "lon": -108.55, "zip": "", "city": "1 NW Billings", "date": "2026-08-27", "county": "Yellowstone", "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 KBIL Billings.", "sourceDetail": "NWS BYZ — ASOS via Iowa Mesonet", "windSpeedMph": 67, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-08-27-wind-45.93--108.23", "lat": 45.93, "lon": -108.23, "zip": "", "city": "4 SW Worden", "date": "2026-08-27", "county": "Yellowstone", "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 HNTM8 Huntley E.", "sourceDetail": "NWS BYZ — Mesonet via Iowa Mesonet", "windSpeedMph": 56, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-08-27-wind-45.73--108.40", "lat": 45.73, "lon": -108.4, "zip": "", "city": "6 S Lockwood", "date": "2026-08-27", "county": "Yellowstone", "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 SDAM8 Soda Springs.", "sourceDetail": "NWS BYZ — Mesonet via Iowa Mesonet", "windSpeedMph": 57, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-08-27-wind-45.94--108.15", "lat": 45.94, "lon": -108.15, "zip": "", "city": "1 SSE Ballantine", "date": "2026-08-27", "county": "Yellowstone", "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 MTBAL Ballantine I-94 Mp 15.0.", "sourceDetail": "NWS BYZ — Mesonet via Iowa Mesonet", "windSpeedMph": 58, "evidenceLevel": "observed" }, { "id": "iem-ww-BYZ-SV-W-142-Yellowstone-wind-2026-08-27", "zip": "", "city": "Yellowstone", "date": "2026-08-27", "county": "Yellowstone", "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 BYZ for Yellowstone on 2026-08-27. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS BYZ — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "BYZ-SV-W-142" }, { "id": "iem-ww-BYZ-SV-W-142-Yellowstone-hail-2026-08-27", "zip": "", "city": "Yellowstone", "date": "2026-08-27", "county": "Yellowstone", "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 BYZ for Yellowstone on 2026-08-27. Storm tag hail: 1\". This is a warning — not a confirmed event.", "sourceDetail": "NWS BYZ — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1, "warningProductKey": "BYZ-SV-W-142" }, { "id": "asos-BIL-2026-08-27-4947", "lat": 45.8069, "lon": -108.5422, "zip": "", "city": "BILLINGS/LOGAN INTL", "date": "2026-08-27", "county": "Yellowstone", "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": "BILLINGS/LOGAN INTL (BIL) recorded a 68 mph gust.", "sourceDetail": "MT_ASOS automated observation — BILLINGS/LOGAN INTL (BIL)", "windSpeedMph": 68, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-08-18-wind-45.80--108.55", "lat": 45.8, "lon": -108.55, "zip": "", "city": "1 NW Billings", "date": "2026-08-18", "county": "Yellowstone", "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 KBIL Billings.", "sourceDetail": "NWS BYZ — ASOS via Iowa Mesonet", "windSpeedMph": 53, "evidenceLevel": "observed" }, { "id": "asos-BIL-2026-08-18-4414", "lat": 45.8069, "lon": -108.5422, "zip": "", "city": "BILLINGS/LOGAN INTL", "date": "2026-08-18", "county": "Yellowstone", "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": "BILLINGS/LOGAN INTL (BIL) recorded a 53 mph gust.", "sourceDetail": "MT_ASOS automated observation — BILLINGS/LOGAN INTL (BIL)", "windSpeedMph": 53, "evidenceLevel": "observed" }, { "id": "asos-bf-6S8-2026-07-26", "lat": 45.7031, "lon": -108.7611, "zip": "", "city": "Laurel", "date": "2026-07-26", "county": "Yellowstone", "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": "Laurel (6S8) recorded a 51 mph gust.", "sourceDetail": "MT_ASOS automated observation — Laurel (6S8) [365d backfill 2026-08]", "windSpeedMph": 51, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-07-25-wind-45.80--108.55", "lat": 45.8, "lon": -108.55, "zip": "", "city": "1 NW Billings", "date": "2026-07-25", "county": "Yellowstone", "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 KBIL Billings.", "sourceDetail": "NWS BYZ — ASOS via Iowa Mesonet", "windSpeedMph": 53, "evidenceLevel": "observed" }, { "id": "iem-ww-BYZ-SV-W-121-Yellowstone-wind-2026-07-25", "zip": "", "city": "Yellowstone", "date": "2026-07-25", "county": "Yellowstone", "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 BYZ for Yellowstone on 2026-07-25. Storm tag wind: 70 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS BYZ — Severe Thunderstorm Warning", "windSpeedMph": 70, "evidenceLevel": "warning", "warningProductKey": "BYZ-SV-W-121" }, { "id": "iem-ww-BYZ-SV-W-121-Yellowstone-hail-2026-07-25", "zip": "", "city": "Yellowstone", "date": "2026-07-25", "county": "Yellowstone", "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 BYZ for Yellowstone on 2026-07-25. Storm tag hail: 1\". This is a warning — not a confirmed event.", "sourceDetail": "NWS BYZ — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1, "warningProductKey": "BYZ-SV-W-121" }, { "id": "iem-ww-BYZ-SV-W-122-Yellowstone-wind-2026-07-25", "zip": "", "city": "Yellowstone", "date": "2026-07-25", "county": "Yellowstone", "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 BYZ for Yellowstone on 2026-07-25. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS BYZ — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "BYZ-SV-W-122" }, { "id": "iem-ww-BYZ-SV-W-122-Yellowstone-hail-2026-07-25", "zip": "", "city": "Yellowstone", "date": "2026-07-25", "county": "Yellowstone", "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 BYZ for Yellowstone on 2026-07-25. Storm tag hail: 1\". This is a warning — not a confirmed event.", "sourceDetail": "NWS BYZ — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1, "warningProductKey": "BYZ-SV-W-122" }, { "id": "asos-BIL-2026-07-25-6173", "lat": 45.8069, "lon": -108.5422, "zip": "", "city": "BILLINGS/LOGAN INTL", "date": "2026-07-25", "county": "Yellowstone", "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": "BILLINGS/LOGAN INTL (BIL) recorded a 53 mph gust.", "sourceDetail": "MT_ASOS automated observation — BILLINGS/LOGAN INTL (BIL)", "windSpeedMph": 53, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-07-24-wind-45.80--108.55", "lat": 45.8, "lon": -108.55, "zip": "", "city": "1 NW Billings", "date": "2026-07-24", "county": "Yellowstone", "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 KBIL Billings.", "sourceDetail": "NWS BYZ — ASOS via Iowa Mesonet", "windSpeedMph": 53, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-07-24-wind-45.79--108.47", "lat": 45.79, "lon": -108.47, "zip": "", "city": "3 SW Lockwood", "date": "2026-07-24", "county": "Yellowstone", "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 MTYRB 3.1 SW Lockwood (MT DOT).", "sourceDetail": "NWS BYZ — Mesonet via Iowa Mesonet", "windSpeedMph": 55, "evidenceLevel": "observed" }, { "id": "asos-BIL-2026-07-24-136", "lat": 45.8069, "lon": -108.5422, "zip": "", "city": "BILLINGS/LOGAN INTL", "date": "2026-07-24", "county": "Yellowstone", "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": "BILLINGS/LOGAN INTL (BIL) recorded a 55 mph gust.", "sourceDetail": "MT_ASOS automated observation — BILLINGS/LOGAN INTL (BIL)", "windSpeedMph": 55, "evidenceLevel": "observed" }, { "id": "asos-BIL-2026-07-24-1615", "lat": 45.8069, "lon": -108.5422, "zip": "", "city": "BILLINGS/LOGAN INTL", "date": "2026-07-24", "county": "Yellowstone", "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": "BILLINGS/LOGAN INTL (BIL) recorded a 53 mph gust.", "sourceDetail": "MT_ASOS automated observation — BILLINGS/LOGAN INTL (BIL)", "windSpeedMph": 53, "evidenceLevel": "observed" }, { "id": "asos-BIL-2026-07-17-5539", "lat": 45.8069, "lon": -108.5422, "zip": "", "city": "BILLINGS/LOGAN INTL", "date": "2026-07-17", "county": "Yellowstone", "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": "BILLINGS/LOGAN INTL (BIL) recorded a 52 mph gust.", "sourceDetail": "MT_ASOS automated observation — BILLINGS/LOGAN INTL (BIL)", "windSpeedMph": 52, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-07-16-wind-45.84--108.96", "lat": 45.84, "lon": -108.96, "zip": "", "city": "2 SW Molt", "date": "2026-07-16", "county": "Stillwater", "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": "TSTM WND GST reported near 2 SW Molt", "sourceDetail": "NWS BYZ — Mesonet via Iowa Mesonet", "windSpeedMph": 51, "evidenceLevel": "observed" }, { "id": "asos-bf-6S8-2026-07-16", "lat": 45.7031, "lon": -108.7611, "zip": "", "city": "Laurel", "date": "2026-07-16", "county": "Yellowstone", "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": "Laurel (6S8) recorded a 59 mph gust.", "sourceDetail": "MT_ASOS automated observation — Laurel (6S8) [365d backfill 2026-08]", "windSpeedMph": 59, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-07-16-wind-45.63--108.49", "lat": 45.63, "lon": -108.49, "zip": "", "city": "11 SSE Billings", "date": "2026-07-16", "county": "Yellowstone", "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": "TSTM WND GST reported near 11 SSE Billings", "sourceDetail": "NWS BYZ — Mesonet via Iowa Mesonet", "windSpeedMph": 51, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-07-16-wind-45.80--108.55", "lat": 45.8, "lon": -108.55, "zip": "", "city": "1 NW Billings", "date": "2026-07-16", "county": "Yellowstone", "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 KBIL Billings.", "sourceDetail": "NWS BYZ — ASOS via Iowa Mesonet", "windSpeedMph": 61, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-07-16-wind-45.79--108.47", "lat": 45.79, "lon": -108.47, "zip": "", "city": "3 SW Lockwood", "date": "2026-07-16", "county": "Yellowstone", "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 3 SW Lockwood", "sourceDetail": "NWS BYZ — Dept of Highways via Iowa Mesonet", "windSpeedMph": 65, "evidenceLevel": "reported" }, { "id": "iem-ww-BYZ-SV-W-112-Yellowstone-wind-2026-07-16", "zip": "", "city": "Yellowstone", "date": "2026-07-16", "county": "Yellowstone", "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 BYZ for Yellowstone on 2026-07-16. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS BYZ — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "BYZ-SV-W-112" }, { "id": "iem-ww-BYZ-SV-W-112-Yellowstone-hail-2026-07-16", "zip": "", "city": "Yellowstone", "date": "2026-07-16", "county": "Yellowstone", "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 BYZ for Yellowstone on 2026-07-16. Storm tag hail: 1\". This is a warning — not a confirmed event.", "sourceDetail": "NWS BYZ — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1, "warningProductKey": "BYZ-SV-W-112" }, { "id": "iem-ww-BYZ-SV-W-113-Yellowstone-wind-2026-07-16", "zip": "", "city": "Yellowstone", "date": "2026-07-16", "county": "Yellowstone", "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 BYZ for Yellowstone on 2026-07-16. Storm tag wind: 70 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS BYZ — Severe Thunderstorm Warning", "windSpeedMph": 70, "evidenceLevel": "warning", "warningProductKey": "BYZ-SV-W-113" }, { "id": "iem-ww-BYZ-SV-W-113-Yellowstone-hail-2026-07-16", "zip": "", "city": "Yellowstone", "date": "2026-07-16", "county": "Yellowstone", "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 BYZ for Yellowstone on 2026-07-16. Storm tag hail: 1\". This is a warning — not a confirmed event.", "sourceDetail": "NWS BYZ — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1, "warningProductKey": "BYZ-SV-W-113" }, { "id": "asos-BIL-2026-07-16-6375", "lat": 45.8069, "lon": -108.5422, "zip": "", "city": "BILLINGS/LOGAN INTL", "date": "2026-07-16", "county": "Yellowstone", "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": "BILLINGS/LOGAN INTL (BIL) recorded a 61 mph gust.", "sourceDetail": "MT_ASOS automated observation — BILLINGS/LOGAN INTL (BIL)", "windSpeedMph": 61, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-07-15-wind-45.93--108.23", "lat": 45.93, "lon": -108.23, "zip": "", "city": "4 SW Worden", "date": "2026-07-15", "county": "Yellowstone", "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 4 SW Worden", "sourceDetail": "NWS BYZ — Mesonet via Iowa Mesonet", "windSpeedMph": 63, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-07-15-wind-45.94--108.15", "lat": 45.94, "lon": -108.15, "zip": "", "city": "1 SSE Ballantine", "date": "2026-07-15", "county": "Yellowstone", "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 MTBAL Ballantine I-94 Mp 15.0.", "sourceDetail": "NWS BYZ — Mesonet via Iowa Mesonet", "windSpeedMph": 65, "evidenceLevel": "observed" }, { "id": "iem-ww-BYZ-SV-W-103-Yellowstone-wind-2026-07-15", "zip": "", "city": "Yellowstone", "date": "2026-07-15", "county": "Yellowstone", "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 BYZ for Yellowstone on 2026-07-15. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS BYZ — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "BYZ-SV-W-103" }, { "id": "iem-ww-BYZ-SV-W-103-Yellowstone-hail-2026-07-15", "zip": "", "city": "Yellowstone", "date": "2026-07-15", "county": "Yellowstone", "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 BYZ for Yellowstone on 2026-07-15. Storm tag hail: 1\". This is a warning — not a confirmed event.", "sourceDetail": "NWS BYZ — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1, "warningProductKey": "BYZ-SV-W-103" }, { "id": "iem-ww-BYZ-SV-W-102-Yellowstone-wind-2026-07-14", "zip": "", "city": "Yellowstone", "date": "2026-07-14", "county": "Yellowstone", "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 BYZ for Yellowstone on 2026-07-14. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS BYZ — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "BYZ-SV-W-102" }, { "id": "iem-ww-BYZ-SV-W-102-Yellowstone-hail-2026-07-14", "zip": "", "city": "Yellowstone", "date": "2026-07-14", "county": "Yellowstone", "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 BYZ for Yellowstone on 2026-07-14. Storm tag hail: 1\". This is a warning — not a confirmed event.", "sourceDetail": "NWS BYZ — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1, "warningProductKey": "BYZ-SV-W-102" }, { "id": "iem-ww-BYZ-SV-W-99-Yellowstone-wind-2026-07-14", "zip": "", "city": "Yellowstone", "date": "2026-07-14", "county": "Yellowstone", "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 BYZ for Yellowstone on 2026-07-14. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS BYZ — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "BYZ-SV-W-99" }, { "id": "iem-ww-BYZ-SV-W-99-Yellowstone-hail-2026-07-14", "zip": "", "city": "Yellowstone", "date": "2026-07-14", "county": "Yellowstone", "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 BYZ for Yellowstone on 2026-07-14. Storm tag hail: 1\". This is a warning — not a confirmed event.", "sourceDetail": "NWS BYZ — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1, "warningProductKey": "BYZ-SV-W-99" }, { "id": "iem-ww-BYZ-SV-W-101-Yellowstone-wind-2026-07-14", "zip": "", "city": "Yellowstone", "date": "2026-07-14", "county": "Yellowstone", "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 BYZ for Yellowstone on 2026-07-14. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS BYZ — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "BYZ-SV-W-101" }, { "id": "iem-ww-BYZ-SV-W-101-Yellowstone-hail-2026-07-14", "zip": "", "city": "Yellowstone", "date": "2026-07-14", "county": "Yellowstone", "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 BYZ for Yellowstone on 2026-07-14. Storm tag hail: 1\". This is a warning — not a confirmed event.", "sourceDetail": "NWS BYZ — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1, "warningProductKey": "BYZ-SV-W-101" }, { "id": "iem-ww-BYZ-SV-W-100-Yellowstone-wind-2026-07-14", "zip": "", "city": "Yellowstone", "date": "2026-07-14", "county": "Yellowstone", "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 BYZ for Yellowstone on 2026-07-14. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS BYZ — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "BYZ-SV-W-100" }, { "id": "iem-ww-BYZ-SV-W-100-Yellowstone-hail-2026-07-14", "zip": "", "city": "Yellowstone", "date": "2026-07-14", "county": "Yellowstone", "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 BYZ for Yellowstone on 2026-07-14. Storm tag hail: 1\". This is a warning — not a confirmed event.", "sourceDetail": "NWS BYZ — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1, "warningProductKey": "BYZ-SV-W-100" }, { "id": "asos-bf-BIL-2026-07-12", "lat": 45.8069, "lon": -108.5422, "zip": "", "city": "BILLINGS/LOGAN INTL", "date": "2026-07-12", "county": "Yellowstone", "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": "BILLINGS/LOGAN INTL (BIL) recorded a 53 mph gust.", "sourceDetail": "MT_ASOS automated observation — BILLINGS/LOGAN INTL (BIL) [365d backfill 2026-08]", "windSpeedMph": 53, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-07-08-wind-45.80--108.55", "lat": 45.8, "lon": -108.55, "zip": "", "city": "1 NW Billings", "date": "2026-07-08", "county": "Yellowstone", "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 KBIL Billings.", "sourceDetail": "NWS BYZ — ASOS via Iowa Mesonet", "windSpeedMph": 52, "evidenceLevel": "observed" }, { "id": "asos-bf-BIL-2026-07-08", "lat": 45.8069, "lon": -108.5422, "zip": "", "city": "BILLINGS/LOGAN INTL", "date": "2026-07-08", "county": "Yellowstone", "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": "BILLINGS/LOGAN INTL (BIL) recorded a 52 mph gust.", "sourceDetail": "MT_ASOS automated observation — BILLINGS/LOGAN INTL (BIL) [365d backfill 2026-08]", "windSpeedMph": 52, "evidenceLevel": "observed" }, { "id": "iem-ww-BYZ-SV-W-87-Yellowstone-wind-2026-07-07", "zip": "", "city": "Yellowstone", "date": "2026-07-07", "county": "Yellowstone", "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 BYZ for Yellowstone on 2026-07-07. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS BYZ — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "BYZ-SV-W-87" }, { "id": "iem-ww-BYZ-SV-W-87-Yellowstone-hail-2026-07-07", "zip": "", "city": "Yellowstone", "date": "2026-07-07", "county": "Yellowstone", "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 BYZ for Yellowstone on 2026-07-07. Storm tag hail: 1.25\". This is a warning — not a confirmed event.", "sourceDetail": "NWS BYZ — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1.25, "warningProductKey": "BYZ-SV-W-87" }, { "id": "iem-ww-BYZ-SV-W-86-Yellowstone-wind-2026-07-07", "zip": "", "city": "Yellowstone", "date": "2026-07-07", "county": "Yellowstone", "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 BYZ for Yellowstone on 2026-07-07. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS BYZ — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "BYZ-SV-W-86" }, { "id": "iem-ww-BYZ-SV-W-86-Yellowstone-hail-2026-07-07", "zip": "", "city": "Yellowstone", "date": "2026-07-07", "county": "Yellowstone", "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 BYZ for Yellowstone on 2026-07-07. Storm tag hail: 1.25\". This is a warning — not a confirmed event.", "sourceDetail": "NWS BYZ — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1.25, "warningProductKey": "BYZ-SV-W-86" }, { "id": "iem-lsr-2026-07-03-wind-45.80--108.55", "lat": 45.8, "lon": -108.55, "zip": "", "city": "1 NW Billings", "date": "2026-07-03", "county": "Yellowstone", "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 KBIL Billings.", "sourceDetail": "NWS BYZ — ASOS via Iowa Mesonet", "windSpeedMph": 54, "evidenceLevel": "observed" }, { "id": "asos-bf-BIL-2026-07-03", "lat": 45.8069, "lon": -108.5422, "zip": "", "city": "BILLINGS/LOGAN INTL", "date": "2026-07-03", "county": "Yellowstone", "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": "BILLINGS/LOGAN INTL (BIL) recorded a 54 mph gust.", "sourceDetail": "MT_ASOS automated observation — BILLINGS/LOGAN INTL (BIL) [365d backfill 2026-08]", "windSpeedMph": 54, "evidenceLevel": "observed" }, { "id": "iem-ww-BYZ-SV-W-73-Yellowstone-wind-2026-07-01", "zip": "", "city": "Yellowstone", "date": "2026-07-01", "county": "Yellowstone", "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 BYZ for Yellowstone on 2026-07-01. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS BYZ — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "BYZ-SV-W-73" }, { "id": "iem-ww-BYZ-SV-W-73-Yellowstone-hail-2026-07-01", "zip": "", "city": "Yellowstone", "date": "2026-07-01", "county": "Yellowstone", "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 BYZ for Yellowstone on 2026-07-01. Storm tag hail: 1\". This is a warning — not a confirmed event.", "sourceDetail": "NWS BYZ — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1, "warningProductKey": "BYZ-SV-W-73" }, { "id": "iem-lsr-2026-06-27-hail-45.68--108.78", "lat": 45.68, "lon": -108.78, "zip": "", "city": "Laurel", "date": "2026-06-27", "county": "Yellowstone", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Dime to nickel sized hail. Rainfall filling curbs.", "sourceDetail": "NWS BYZ — NWS Employee via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 0.88 }, { "id": "asos-bf-6S8-2026-06-16", "lat": 45.7031, "lon": -108.7611, "zip": "", "city": "Laurel", "date": "2026-06-16", "county": "Yellowstone", "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": "Laurel (6S8) recorded a 55 mph gust.", "sourceDetail": "MT_ASOS automated observation — Laurel (6S8) [365d backfill 2026-08]", "windSpeedMph": 55, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-06-16-wind-45.80--108.55", "lat": 45.8, "lon": -108.55, "zip": "", "city": "1 NW Billings", "date": "2026-06-16", "county": "Yellowstone", "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 KBIL Billings.", "sourceDetail": "NWS BYZ — ASOS via Iowa Mesonet", "windSpeedMph": 54, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-06-16-wind-45.79--108.47", "lat": 45.79, "lon": -108.47, "zip": "", "city": "3 SW Lockwood", "date": "2026-06-16", "county": "Yellowstone", "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 MTYRB 3.1 SW Lockwood (MT DOT).", "sourceDetail": "NWS BYZ — Mesonet via Iowa Mesonet", "windSpeedMph": 56, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-06-16-wind-46.13--108.76", "lat": 46.13, "lon": -108.76, "zip": "", "city": "6 ENE Broadview", "date": "2026-06-16", "county": "Yellowstone", "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": "NON-TSTM WND GST reported near 6 ENE Broadview", "sourceDetail": "NWS BYZ — Mesonet via Iowa Mesonet", "windSpeedMph": 53, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-06-16-wind-45.94--108.15", "lat": 45.94, "lon": -108.15, "zip": "", "city": "1 SSE Ballantine", "date": "2026-06-16", "county": "Yellowstone", "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 MTBAL Ballantine I-94 Mp 15.0.", "sourceDetail": "NWS BYZ — Mesonet via Iowa Mesonet", "windSpeedMph": 60, "evidenceLevel": "observed" }, { "id": "asos-bf-BIL-2026-06-16", "lat": 45.8069, "lon": -108.5422, "zip": "", "city": "BILLINGS/LOGAN INTL", "date": "2026-06-16", "county": "Yellowstone", "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": "BILLINGS/LOGAN INTL (BIL) recorded a 54 mph gust.", "sourceDetail": "MT_ASOS automated observation — BILLINGS/LOGAN INTL (BIL) [365d backfill 2026-08]", "windSpeedMph": 54, "evidenceLevel": "observed" }, { "id": "asos-bf-6S8-2026-06-10", "lat": 45.7031, "lon": -108.7611, "zip": "", "city": "Laurel", "date": "2026-06-10", "county": "Yellowstone", "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": "Laurel (6S8) recorded a 53 mph gust.", "sourceDetail": "MT_ASOS automated observation — Laurel (6S8) [365d backfill 2026-08]", "windSpeedMph": 53, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-06-07-hail-45.81--108.36", "lat": 45.81, "lon": -108.36, "zip": "", "city": "2 E Lockwood", "date": "2026-06-07", "county": "Yellowstone", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Delayed report. Measured pea to quarter sized hail.", "sourceDetail": "NWS BYZ — Trained Spotter via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-06-07-wind-45.63--108.49", "lat": 45.63, "lon": -108.49, "zip": "", "city": "11 SSE Billings", "date": "2026-06-07", "county": "Yellowstone", "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 11 SSE Billings", "sourceDetail": "NWS BYZ — Mesonet via Iowa Mesonet", "windSpeedMph": 66, "evidenceLevel": "observed" }, { "id": "iem-ww-BYZ-SV-W-24-Yellowstone-wind-2026-06-07", "zip": "", "city": "Yellowstone", "date": "2026-06-07", "county": "Yellowstone", "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 BYZ for Yellowstone on 2026-06-07. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS BYZ — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "BYZ-SV-W-24" }, { "id": "iem-ww-BYZ-SV-W-24-Yellowstone-hail-2026-06-07", "zip": "", "city": "Yellowstone", "date": "2026-06-07", "county": "Yellowstone", "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 BYZ for Yellowstone on 2026-06-07. Storm tag hail: 1\". This is a warning — not a confirmed event.", "sourceDetail": "NWS BYZ — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1, "warningProductKey": "BYZ-SV-W-24" }, { "id": "iem-lsr-2026-05-14-wind-45.79--108.47", "lat": 45.79, "lon": -108.47, "zip": "", "city": "3 SW Lockwood", "date": "2026-05-14", "county": "Yellowstone", "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 MTYRB 3.1 SW Lockwood (MT DOT).", "sourceDetail": "NWS BYZ — Mesonet via Iowa Mesonet", "windSpeedMph": 62, "evidenceLevel": "observed" }, { "id": "asos-bf-6S8-2026-05-14", "lat": 45.7031, "lon": -108.7611, "zip": "", "city": "Laurel", "date": "2026-05-14", "county": "Yellowstone", "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": "Laurel (6S8) recorded a 55 mph gust.", "sourceDetail": "MT_ASOS automated observation — Laurel (6S8) [365d backfill 2026-08]", "windSpeedMph": 55, "evidenceLevel": "observed" }, { "id": "asos-bf-BIL-2026-05-14", "lat": 45.8069, "lon": -108.5422, "zip": "", "city": "BILLINGS/LOGAN INTL", "date": "2026-05-14", "county": "Yellowstone", "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": "BILLINGS/LOGAN INTL (BIL) recorded a 58 mph gust.", "sourceDetail": "MT_ASOS automated observation — BILLINGS/LOGAN INTL (BIL) [365d backfill 2026-08]", "windSpeedMph": 58, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-05-13-wind-45.70--108.76", "lat": 45.7, "lon": -108.76, "zip": "", "city": "2 NNE Laurel", "date": "2026-05-13", "county": "Yellowstone", "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 K6S8 2 NNE Laurel.", "sourceDetail": "NWS BYZ — AWOS via Iowa Mesonet", "windSpeedMph": 58, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-05-13-wind-45.80--108.55", "lat": 45.8, "lon": -108.55, "zip": "", "city": "1 NW Billings", "date": "2026-05-13", "county": "Yellowstone", "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 KBIL Billings.", "sourceDetail": "NWS BYZ — ASOS via Iowa Mesonet", "windSpeedMph": 61, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-05-13-wind-45.79--108.47", "lat": 45.79, "lon": -108.47, "zip": "", "city": "3 SW Lockwood", "date": "2026-05-13", "county": "Yellowstone", "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 MTYRB 3.1 SW Lockwood (MT DOT).", "sourceDetail": "NWS BYZ — Mesonet via Iowa Mesonet", "windSpeedMph": 57, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-05-13-wind-45.94--108.15", "lat": 45.94, "lon": -108.15, "zip": "", "city": "1 SSE Ballantine", "date": "2026-05-13", "county": "Yellowstone", "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 MTBAL Ballantine I-94 Mp 15.0.", "sourceDetail": "NWS BYZ — Mesonet via Iowa Mesonet", "windSpeedMph": 61, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-05-13-wind-46.24--108.14", "lat": 46.24, "lon": -108.14, "zip": "", "city": "18 SSE Delphia", "date": "2026-05-13", "county": "Yellowstone", "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 MTM99 Steamboat.", "sourceDetail": "NWS BYZ — Mesonet via Iowa Mesonet", "windSpeedMph": 50, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-05-13-wind-45.79--108.47", "lat": 45.79, "lon": -108.47, "zip": "", "city": "3 SW Lockwood", "date": "2026-05-13", "county": "Yellowstone", "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 MTYRB 3.1 SW Lockwood (MT DOT).", "sourceDetail": "NWS BYZ — Mesonet via Iowa Mesonet", "windSpeedMph": 58, "evidenceLevel": "observed" }, { "id": "asos-bf-6S8-2026-05-13", "lat": 45.7031, "lon": -108.7611, "zip": "", "city": "Laurel", "date": "2026-05-13", "county": "Yellowstone", "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": "Laurel (6S8) recorded a 66 mph gust.", "sourceDetail": "MT_ASOS automated observation — Laurel (6S8) [365d backfill 2026-08]", "windSpeedMph": 66, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-05-13-wind-45.75--108.57", "lat": 45.75, "lon": -108.57, "zip": "", "city": "3 SSW Billings", "date": "2026-05-13", "county": "Yellowstone", "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 FW2748 Billings.", "sourceDetail": "NWS BYZ — Mesonet via Iowa Mesonet", "windSpeedMph": 53, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-05-13-wind-45.73--108.40", "lat": 45.73, "lon": -108.4, "zip": "", "city": "6 S Lockwood", "date": "2026-05-13", "county": "Yellowstone", "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 SDAM8 Soda Springs.", "sourceDetail": "NWS BYZ — Mesonet via Iowa Mesonet", "windSpeedMph": 64, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-05-13-wind-46.26--108.10", "lat": 46.26, "lon": -108.1, "zip": "", "city": "17 SSE Delphia", "date": "2026-05-13", "county": "Yellowstone", "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 STBM8 Steamboat.", "sourceDetail": "NWS BYZ — Mesonet via Iowa Mesonet", "windSpeedMph": 51, "evidenceLevel": "observed" }, { "id": "asos-bf-BIL-2026-05-13", "lat": 45.8069, "lon": -108.5422, "zip": "", "city": "BILLINGS/LOGAN INTL", "date": "2026-05-13", "county": "Yellowstone", "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": "BILLINGS/LOGAN INTL (BIL) recorded a 61 mph gust.", "sourceDetail": "MT_ASOS automated observation — BILLINGS/LOGAN INTL (BIL) [365d backfill 2026-08]", "windSpeedMph": 61, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-04-23-wind-45.94--108.15", "lat": 45.94, "lon": -108.15, "zip": "", "city": "1 SSE Ballantine", "date": "2026-04-23", "county": "Yellowstone", "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 MTBAL Ballantine I-94 Mp 15.0.", "sourceDetail": "NWS BYZ — Mesonet via Iowa Mesonet", "windSpeedMph": 52, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-04-23-wind-45.80--108.55", "lat": 45.8, "lon": -108.55, "zip": "", "city": "1 NW Billings", "date": "2026-04-23", "county": "Yellowstone", "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 KBIL Billings.", "sourceDetail": "NWS BYZ — ASOS via Iowa Mesonet", "windSpeedMph": 58, "evidenceLevel": "observed" }, { "id": "asos-bf-6S8-2026-04-23", "lat": 45.7031, "lon": -108.7611, "zip": "", "city": "Laurel", "date": "2026-04-23", "county": "Yellowstone", "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": "Laurel (6S8) recorded a 51 mph gust.", "sourceDetail": "MT_ASOS automated observation — Laurel (6S8) [365d backfill 2026-08]", "windSpeedMph": 51, "evidenceLevel": "observed" }, { "id": "asos-bf-BIL-2026-04-23", "lat": 45.8069, "lon": -108.5422, "zip": "", "city": "BILLINGS/LOGAN INTL", "date": "2026-04-23", "county": "Yellowstone", "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": "BILLINGS/LOGAN INTL (BIL) recorded a 50 mph gust.", "sourceDetail": "MT_ASOS automated observation — BILLINGS/LOGAN INTL (BIL) [365d backfill 2026-08]", "windSpeedMph": 50, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-04-22-wind-45.94--108.15", "lat": 45.94, "lon": -108.15, "zip": "", "city": "1 SSE Ballantine", "date": "2026-04-22", "county": "Yellowstone", "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 MTBAL Ballantine I-94 Mp 15.0.", "sourceDetail": "NWS BYZ — Mesonet via Iowa Mesonet", "windSpeedMph": 50, "evidenceLevel": "observed" }, { "id": "asos-bf-6S8-2026-04-22", "lat": 45.7031, "lon": -108.7611, "zip": "", "city": "Laurel", "date": "2026-04-22", "county": "Yellowstone", "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": "Laurel (6S8) recorded a 51 mph gust.", "sourceDetail": "MT_ASOS automated observation — Laurel (6S8) [365d backfill 2026-08]", "windSpeedMph": 51, "evidenceLevel": "observed" }, { "id": "asos-bf-BIL-2026-04-22", "lat": 45.8069, "lon": -108.5422, "zip": "", "city": "BILLINGS/LOGAN INTL", "date": "2026-04-22", "county": "Yellowstone", "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": "BILLINGS/LOGAN INTL (BIL) recorded a 57 mph gust.", "sourceDetail": "MT_ASOS automated observation — BILLINGS/LOGAN INTL (BIL) [365d backfill 2026-08]", "windSpeedMph": 57, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-04-15-wind-45.79--108.47", "lat": 45.79, "lon": -108.47, "zip": "", "city": "3 SW Lockwood", "date": "2026-04-15", "county": "Yellowstone", "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 MTYRB 3.1 SW Lockwood (MT DOT).", "sourceDetail": "NWS BYZ — Mesonet via Iowa Mesonet", "windSpeedMph": 53, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-04-07-wind-45.78--108.16", "lat": 45.78, "lon": -108.16, "zip": "", "city": "11 WSW Corinth", "date": "2026-04-07", "county": "Yellowstone", "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 MTARC 11.8 S Ballantine (MT DOT).", "sourceDetail": "NWS BYZ — Mesonet via Iowa Mesonet", "windSpeedMph": 57, "evidenceLevel": "observed" }, { "id": "asos-bf-6S8-2026-03-25", "lat": 45.7031, "lon": -108.7611, "zip": "", "city": "Laurel", "date": "2026-03-25", "county": "Yellowstone", "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": "Laurel (6S8) recorded a 52 mph gust.", "sourceDetail": "MT_ASOS automated observation — Laurel (6S8) [365d backfill 2026-08]", "windSpeedMph": 52, "evidenceLevel": "observed" }, { "id": "asos-bf-BIL-2026-03-25", "lat": 45.8069, "lon": -108.5422, "zip": "", "city": "BILLINGS/LOGAN INTL", "date": "2026-03-25", "county": "Yellowstone", "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": "BILLINGS/LOGAN INTL (BIL) recorded a 52 mph gust.", "sourceDetail": "MT_ASOS automated observation — BILLINGS/LOGAN INTL (BIL) [365d backfill 2026-08]", "windSpeedMph": 52, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-03-21-wind-45.94--108.15", "lat": 45.94, "lon": -108.15, "zip": "", "city": "1 SSE Ballantine", "date": "2026-03-21", "county": "Yellowstone", "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 MTBAL Ballantine I-94 Mp 15.0.", "sourceDetail": "NWS BYZ — Mesonet via Iowa Mesonet", "windSpeedMph": 50, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-03-19-wind-45.79--108.47", "lat": 45.79, "lon": -108.47, "zip": "", "city": "3 SW Lockwood", "date": "2026-03-19", "county": "Yellowstone", "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 MTYRB 3.1 SW Lockwood (MT DOT).", "sourceDetail": "NWS BYZ — Mesonet via Iowa Mesonet", "windSpeedMph": 51, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-03-17-wind-46.26--108.10", "lat": 46.26, "lon": -108.1, "zip": "", "city": "17 SSE Delphia", "date": "2026-03-17", "county": "Yellowstone", "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 STBM8 Steamboat.", "sourceDetail": "NWS BYZ — Mesonet via Iowa Mesonet", "windSpeedMph": 62, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-03-17-wind-45.84--108.52", "lat": 45.84, "lon": -108.52, "zip": "", "city": "3 NNE Billings", "date": "2026-03-17", "county": "Yellowstone", "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 DVI09174 Billings.", "sourceDetail": "NWS BYZ — Mesonet via Iowa Mesonet", "windSpeedMph": 52, "evidenceLevel": "observed" }, { "id": "asos-bf-6S8-2026-03-17", "lat": 45.7031, "lon": -108.7611, "zip": "", "city": "Laurel", "date": "2026-03-17", "county": "Yellowstone", "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": "Laurel (6S8) recorded a 56 mph gust.", "sourceDetail": "MT_ASOS automated observation — Laurel (6S8) [365d backfill 2026-08]", "windSpeedMph": 56, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-03-17-wind-46.24--108.14", "lat": 46.24, "lon": -108.14, "zip": "", "city": "18 SSE Delphia", "date": "2026-03-17", "county": "Yellowstone", "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 MTM99 Steamboat.", "sourceDetail": "NWS BYZ — Mesonet via Iowa Mesonet", "windSpeedMph": 63, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-03-12-wind-46.24--108.14", "lat": 46.24, "lon": -108.14, "zip": "", "city": "18 SSE Delphia", "date": "2026-03-12", "county": "Yellowstone", "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 MTM99 Steamboat.", "sourceDetail": "NWS BYZ — Mesonet via Iowa Mesonet", "windSpeedMph": 66, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-03-12-wind-46.20--108.00", "lat": 46.2, "lon": -108, "zip": "", "city": "14 N Pompeys Pillar", "date": "2026-03-12", "county": "Yellowstone", "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 14 N Pompeys Pillar", "sourceDetail": "NWS BYZ — CO-OP Observer via Iowa Mesonet", "windSpeedMph": 58, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-03-12-wind-45.79--108.47", "lat": 45.79, "lon": -108.47, "zip": "", "city": "3 SW Lockwood", "date": "2026-03-12", "county": "Yellowstone", "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 MTYRB 3.1 SW Lockwood (MT DOT).", "sourceDetail": "NWS BYZ — Mesonet via Iowa Mesonet", "windSpeedMph": 60, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-03-12-wind-45.80--108.55", "lat": 45.8, "lon": -108.55, "zip": "", "city": "1 NW Billings", "date": "2026-03-12", "county": "Yellowstone", "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 KBIL Billings.", "sourceDetail": "NWS BYZ — ASOS via Iowa Mesonet", "windSpeedMph": 64, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-03-12-wind-45.80--108.63", "lat": 45.8, "lon": -108.63, "zip": "", "city": "4 W Billings", "date": "2026-03-12", "county": "Yellowstone", "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": "NON-TSTM WND GST reported near 4 W Billings", "sourceDetail": "NWS BYZ — Trained Spotter via Iowa Mesonet", "windSpeedMph": 76, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-03-12-wind-45.79--108.47", "lat": 45.79, "lon": -108.47, "zip": "", "city": "3 SW Lockwood", "date": "2026-03-12", "county": "Yellowstone", "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 MTYRB 3.1 SW Lockwood (MT DOT).", "sourceDetail": "NWS BYZ — Mesonet via Iowa Mesonet", "windSpeedMph": 73, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-03-12-wind-45.78--108.16", "lat": 45.78, "lon": -108.16, "zip": "", "city": "11 WSW Corinth", "date": "2026-03-12", "county": "Yellowstone", "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 MTARC 11.8 S Ballantine (MT DOT).", "sourceDetail": "NWS BYZ — Mesonet via Iowa Mesonet", "windSpeedMph": 60, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-03-12-wind-45.94--108.15", "lat": 45.94, "lon": -108.15, "zip": "", "city": "1 SSE Ballantine", "date": "2026-03-12", "county": "Yellowstone", "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 MTBAL Ballantine I-94 Mp 15.0.", "sourceDetail": "NWS BYZ — Mesonet via Iowa Mesonet", "windSpeedMph": 66, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-03-12-wind-45.80--108.55", "lat": 45.8, "lon": -108.55, "zip": "", "city": "1 NW Billings", "date": "2026-03-12", "county": "Yellowstone", "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 KBIL Billings.", "sourceDetail": "NWS BYZ — ASOS via Iowa Mesonet", "windSpeedMph": 74, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-03-12-wind-45.78--108.16", "lat": 45.78, "lon": -108.16, "zip": "", "city": "11 WSW Corinth", "date": "2026-03-12", "county": "Yellowstone", "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 MTARC 11.8 S Ballantine (MT DOT).", "sourceDetail": "NWS BYZ — Mesonet via Iowa Mesonet", "windSpeedMph": 65, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-03-12-wind-45.75--108.57", "lat": 45.75, "lon": -108.57, "zip": "", "city": "3 SSW Billings", "date": "2026-03-12", "county": "Yellowstone", "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 FW2748 Billings.", "sourceDetail": "NWS BYZ — Mesonet via Iowa Mesonet", "windSpeedMph": 61, "evidenceLevel": "observed" }, { "id": "asos-bf-6S8-2026-03-12", "lat": 45.7031, "lon": -108.7611, "zip": "", "city": "Laurel", "date": "2026-03-12", "county": "Yellowstone", "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": "Laurel (6S8) recorded a 70 mph gust.", "sourceDetail": "MT_ASOS automated observation — Laurel (6S8) [365d backfill 2026-08]", "windSpeedMph": 70, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-03-12-wind-46.26--108.10", "lat": 46.26, "lon": -108.1, "zip": "", "city": "17 SSE Delphia", "date": "2026-03-12", "county": "Yellowstone", "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 STBM8 Steamboat.", "sourceDetail": "NWS BYZ — Mesonet via Iowa Mesonet", "windSpeedMph": 61, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-03-12-wind-46.15--107.59", "lat": 46.15, "lon": -107.59, "zip": "", "city": "2 NW Custer", "date": "2026-03-12", "county": "Yellowstone", "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 MTM96 Custer Nw.", "sourceDetail": "NWS BYZ — Mesonet via Iowa Mesonet", "windSpeedMph": 58, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-03-12-wind-45.73--108.40", "lat": 45.73, "lon": -108.4, "zip": "", "city": "6 S Lockwood", "date": "2026-03-12", "county": "Yellowstone", "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 SDAM8 Soda Springs.", "sourceDetail": "NWS BYZ — Mesonet via Iowa Mesonet", "windSpeedMph": 65, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-03-12-wind-46.10--108.80", "lat": 46.1, "lon": -108.8, "zip": "", "city": "4 E Broadview", "date": "2026-03-12", "county": "Yellowstone", "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 DVI06605 Broadview.", "sourceDetail": "NWS BYZ — Mesonet via Iowa Mesonet", "windSpeedMph": 51, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-03-12-wind-46.26--108.10", "lat": 46.26, "lon": -108.1, "zip": "", "city": "17 SSE Delphia", "date": "2026-03-12", "county": "Yellowstone", "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 STBM8 Steamboat.", "sourceDetail": "NWS BYZ — Mesonet via Iowa Mesonet", "windSpeedMph": 62, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-03-12-wind-46.15--107.59", "lat": 46.15, "lon": -107.59, "zip": "", "city": "2 NW Custer", "date": "2026-03-12", "county": "Yellowstone", "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 MTM96 Custer Nw.", "sourceDetail": "NWS BYZ — Mesonet via Iowa Mesonet", "windSpeedMph": 65, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-03-12-wind-45.94--108.15", "lat": 45.94, "lon": -108.15, "zip": "", "city": "1 SSE Ballantine", "date": "2026-03-12", "county": "Yellowstone", "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 MTBAL Ballantine I-94 Mp 15.0.", "sourceDetail": "NWS BYZ — Mesonet via Iowa Mesonet", "windSpeedMph": 75, "evidenceLevel": "observed" }, { "id": "asos-bf-BIL-2026-03-12", "lat": 45.8069, "lon": -108.5422, "zip": "", "city": "BILLINGS/LOGAN INTL", "date": "2026-03-12", "county": "Yellowstone", "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": "BILLINGS/LOGAN INTL (BIL) recorded a 74 mph gust.", "sourceDetail": "MT_ASOS automated observation — BILLINGS/LOGAN INTL (BIL) [365d backfill 2026-08]", "windSpeedMph": 74, "evidenceLevel": "observed" }, { "id": "iem-ww-BYZ-HW-W-11-Yellowstone-wind-2026-03-12", "zip": "", "city": "Yellowstone", "date": "2026-03-12", "county": "Yellowstone", "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 Yellowstone.", "sourceDetail": "NWS BYZ — HW/W", "evidenceLevel": "warning", "warningProductKey": "BYZ-HW-W-11" }, { "id": "iem-lsr-2026-03-08-wind-45.80--108.55", "lat": 45.8, "lon": -108.55, "zip": "", "city": "1 NW Billings", "date": "2026-03-08", "county": "Yellowstone", "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 KBIL Billings.", "sourceDetail": "NWS BYZ — ASOS via Iowa Mesonet", "windSpeedMph": 56, "evidenceLevel": "observed" }, { "id": "asos-bf-6S8-2026-03-08", "lat": 45.7031, "lon": -108.7611, "zip": "", "city": "Laurel", "date": "2026-03-08", "county": "Yellowstone", "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": "Laurel (6S8) recorded a 55 mph gust.", "sourceDetail": "MT_ASOS automated observation — Laurel (6S8) [365d backfill 2026-08]", "windSpeedMph": 55, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-03-08-wind-45.79--108.47", "lat": 45.79, "lon": -108.47, "zip": "", "city": "3 SW Lockwood", "date": "2026-03-08", "county": "Yellowstone", "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 MTYRB 3.1 SW Lockwood (MT DOT).", "sourceDetail": "NWS BYZ — Mesonet via Iowa Mesonet", "windSpeedMph": 63, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-03-08-wind-45.73--108.40", "lat": 45.73, "lon": -108.4, "zip": "", "city": "6 S Lockwood", "date": "2026-03-08", "county": "Yellowstone", "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 SDAM8 Soda Springs.", "sourceDetail": "NWS BYZ — Mesonet via Iowa Mesonet", "windSpeedMph": 50, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-03-08-wind-45.78--108.16", "lat": 45.78, "lon": -108.16, "zip": "", "city": "11 WSW Corinth", "date": "2026-03-08", "county": "Yellowstone", "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 MTARC 11.8 S Ballantine (MT DOT).", "sourceDetail": "NWS BYZ — Mesonet via Iowa Mesonet", "windSpeedMph": 55, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-03-08-wind-45.94--108.15", "lat": 45.94, "lon": -108.15, "zip": "", "city": "1 SSE Ballantine", "date": "2026-03-08", "county": "Yellowstone", "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 MTBAL Ballantine I-94 Mp 15.0.", "sourceDetail": "NWS BYZ — Mesonet via Iowa Mesonet", "windSpeedMph": 58, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-03-08-wind-45.80--108.55", "lat": 45.8, "lon": -108.55, "zip": "", "city": "1 NW Billings", "date": "2026-03-08", "county": "Yellowstone", "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 KBIL Billings.", "sourceDetail": "NWS BYZ — ASOS via Iowa Mesonet", "windSpeedMph": 66, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-03-08-wind-45.79--108.47", "lat": 45.79, "lon": -108.47, "zip": "", "city": "3 SW Lockwood", "date": "2026-03-08", "county": "Yellowstone", "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 MTYRB 3.1 SW Lockwood (MT DOT).", "sourceDetail": "NWS BYZ — Mesonet via Iowa Mesonet", "windSpeedMph": 65, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-03-08-wind-45.73--108.40", "lat": 45.73, "lon": -108.4, "zip": "", "city": "6 S Lockwood", "date": "2026-03-08", "county": "Yellowstone", "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 SDAM8 Soda Springs.", "sourceDetail": "NWS BYZ — Mesonet via Iowa Mesonet", "windSpeedMph": 53, "evidenceLevel": "observed" }, { "id": "asos-bf-BIL-2026-03-08", "lat": 45.8069, "lon": -108.5422, "zip": "", "city": "BILLINGS/LOGAN INTL", "date": "2026-03-08", "county": "Yellowstone", "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": "BILLINGS/LOGAN INTL (BIL) recorded a 65 mph gust.", "sourceDetail": "MT_ASOS automated observation — BILLINGS/LOGAN INTL (BIL) [365d backfill 2026-08]", "windSpeedMph": 65, "evidenceLevel": "observed" }, { "id": "iem-ww-BYZ-HW-W-10-Yellowstone-wind-2026-03-08", "zip": "", "city": "Yellowstone", "date": "2026-03-08", "county": "Yellowstone", "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 Yellowstone.", "sourceDetail": "NWS BYZ — HW/W", "evidenceLevel": "warning", "warningProductKey": "BYZ-HW-W-10" }, { "id": "asos-bf-6S8-2026-03-07", "lat": 45.7031, "lon": -108.7611, "zip": "", "city": "Laurel", "date": "2026-03-07", "county": "Yellowstone", "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": "Laurel (6S8) recorded a 51 mph gust.", "sourceDetail": "MT_ASOS automated observation — Laurel (6S8) [365d backfill 2026-08]", "windSpeedMph": 51, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-03-07-wind-45.79--108.47", "lat": 45.79, "lon": -108.47, "zip": "", "city": "3 SW Lockwood", "date": "2026-03-07", "county": "Yellowstone", "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 MTYRB 3.1 SW Lockwood (MT DOT).", "sourceDetail": "NWS BYZ — Mesonet via Iowa Mesonet", "windSpeedMph": 51, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-03-07-wind-45.73--108.40", "lat": 45.73, "lon": -108.4, "zip": "", "city": "6 S Lockwood", "date": "2026-03-07", "county": "Yellowstone", "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 SDAM8 Soda Springs.", "sourceDetail": "NWS BYZ — Mesonet via Iowa Mesonet", "windSpeedMph": 50, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-02-26-wind-45.70--108.76", "lat": 45.7, "lon": -108.76, "zip": "", "city": "2 NNE Laurel", "date": "2026-02-26", "county": "Yellowstone", "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 K6S8 2 NNE Laurel.", "sourceDetail": "NWS BYZ — AWOS via Iowa Mesonet", "windSpeedMph": 52, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-02-26-wind-45.80--108.55", "lat": 45.8, "lon": -108.55, "zip": "", "city": "1 NW Billings", "date": "2026-02-26", "county": "Yellowstone", "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 KBIL Billings.", "sourceDetail": "NWS BYZ — ASOS via Iowa Mesonet", "windSpeedMph": 56, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-02-26-wind-46.24--108.14", "lat": 46.24, "lon": -108.14, "zip": "", "city": "18 SSE Delphia", "date": "2026-02-26", "county": "Yellowstone", "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 MTM99 Steamboat.", "sourceDetail": "NWS BYZ — Mesonet via Iowa Mesonet", "windSpeedMph": 59, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-02-26-wind-45.79--108.47", "lat": 45.79, "lon": -108.47, "zip": "", "city": "3 SW Lockwood", "date": "2026-02-26", "county": "Yellowstone", "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 MTYRB 3.1 SW Lockwood (MT DOT).", "sourceDetail": "NWS BYZ — Mesonet via Iowa Mesonet", "windSpeedMph": 59, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-02-26-wind-46.15--107.58", "lat": 46.15, "lon": -107.58, "zip": "", "city": "2 NW Custer", "date": "2026-02-26", "county": "Yellowstone", "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": "NON-TSTM WND GST reported near 2 NW Custer", "sourceDetail": "NWS BYZ — Mesonet via Iowa Mesonet", "windSpeedMph": 51, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-02-26-wind-46.24--108.14", "lat": 46.24, "lon": -108.14, "zip": "", "city": "18 SSE Delphia", "date": "2026-02-26", "county": "Yellowstone", "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": "Steamboat MT Mesonet Station.", "sourceDetail": "NWS BYZ — Mesonet via Iowa Mesonet", "windSpeedMph": 64, "evidenceLevel": "observed" }, { "id": "asos-bf-6S8-2026-02-26", "lat": 45.7031, "lon": -108.7611, "zip": "", "city": "Laurel", "date": "2026-02-26", "county": "Yellowstone", "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": "Laurel (6S8) recorded a 58 mph gust.", "sourceDetail": "MT_ASOS automated observation — Laurel (6S8) [365d backfill 2026-08]", "windSpeedMph": 58, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-02-26-wind-46.26--108.10", "lat": 46.26, "lon": -108.1, "zip": "", "city": "17 SSE Delphia", "date": "2026-02-26", "county": "Yellowstone", "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 STBM8 Steamboat.", "sourceDetail": "NWS BYZ — Mesonet via Iowa Mesonet", "windSpeedMph": 56, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-02-26-wind-45.79--108.47", "lat": 45.79, "lon": -108.47, "zip": "", "city": "3 SW Lockwood", "date": "2026-02-26", "county": "Yellowstone", "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 MTYRB 3.1 SW Lockwood (MT DOT).", "sourceDetail": "NWS BYZ — Mesonet via Iowa Mesonet", "windSpeedMph": 55, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-02-26-wind-46.26--108.10", "lat": 46.26, "lon": -108.1, "zip": "", "city": "17 SSE Delphia", "date": "2026-02-26", "county": "Yellowstone", "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 STBM8 Steamboat.", "sourceDetail": "NWS BYZ — Mesonet via Iowa Mesonet", "windSpeedMph": 58, "evidenceLevel": "observed" }, { "id": "asos-bf-BIL-2026-02-26", "lat": 45.8069, "lon": -108.5422, "zip": "", "city": "BILLINGS/LOGAN INTL", "date": "2026-02-26", "county": "Yellowstone", "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": "BILLINGS/LOGAN INTL (BIL) recorded a 57 mph gust.", "sourceDetail": "MT_ASOS automated observation — BILLINGS/LOGAN INTL (BIL) [365d backfill 2026-08]", "windSpeedMph": 57, "evidenceLevel": "observed" }, { "id": "asos-bf-6S8-2026-02-25", "lat": 45.7031, "lon": -108.7611, "zip": "", "city": "Laurel", "date": "2026-02-25", "county": "Yellowstone", "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": "Laurel (6S8) recorded a 51 mph gust.", "sourceDetail": "MT_ASOS automated observation — Laurel (6S8) [365d backfill 2026-08]", "windSpeedMph": 51, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-02-17-wind-45.84--108.96", "lat": 45.84, "lon": -108.96, "zip": "", "city": "2 SW Molt", "date": "2026-02-17", "county": "Stillwater", "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 2 SW Molt", "sourceDetail": "NWS BYZ — Mesonet via Iowa Mesonet", "windSpeedMph": 58, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-02-17-wind-45.80--108.55", "lat": 45.8, "lon": -108.55, "zip": "", "city": "1 NW Billings", "date": "2026-02-17", "county": "Yellowstone", "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 KBIL Billings.", "sourceDetail": "NWS BYZ — ASOS via Iowa Mesonet", "windSpeedMph": 62, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-02-17-wind-45.94--108.15", "lat": 45.94, "lon": -108.15, "zip": "", "city": "1 SSE Ballantine", "date": "2026-02-17", "county": "Yellowstone", "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 MTBAL Ballantine I-94 Mp 15.0.", "sourceDetail": "NWS BYZ — Mesonet via Iowa Mesonet", "windSpeedMph": 58, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-02-17-wind-45.79--108.47", "lat": 45.79, "lon": -108.47, "zip": "", "city": "3 SW Lockwood", "date": "2026-02-17", "county": "Yellowstone", "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 MTYRB 3.1 SW Lockwood (MT DOT).", "sourceDetail": "NWS BYZ — Mesonet via Iowa Mesonet", "windSpeedMph": 59, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-02-17-wind-46.24--108.14", "lat": 46.24, "lon": -108.14, "zip": "", "city": "18 SSE Delphia", "date": "2026-02-17", "county": "Yellowstone", "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 18 SSE Delphia", "sourceDetail": "NWS BYZ — Mesonet via Iowa Mesonet", "windSpeedMph": 59, "evidenceLevel": "observed" }, { "id": "asos-bf-BIL-2026-02-17", "lat": 45.8069, "lon": -108.5422, "zip": "", "city": "BILLINGS/LOGAN INTL", "date": "2026-02-17", "county": "Yellowstone", "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": "BILLINGS/LOGAN INTL (BIL) recorded a 62 mph gust.", "sourceDetail": "MT_ASOS automated observation — BILLINGS/LOGAN INTL (BIL) [365d backfill 2026-08]", "windSpeedMph": 62, "evidenceLevel": "observed" }, { "id": "asos-bf-6S8-2026-02-17", "lat": 45.7031, "lon": -108.7611, "zip": "", "city": "Laurel", "date": "2026-02-17", "county": "Yellowstone", "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": "Laurel (6S8) recorded a 52 mph gust.", "sourceDetail": "MT_ASOS automated observation — Laurel (6S8) [365d backfill 2026-08]", "windSpeedMph": 52, "evidenceLevel": "observed" }, { "id": "iem-ww-BYZ-HW-W-7-Yellowstone-wind-2026-02-17", "zip": "", "city": "Yellowstone", "date": "2026-02-17", "county": "Yellowstone", "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 Yellowstone.", "sourceDetail": "NWS BYZ — HW/W", "evidenceLevel": "warning", "warningProductKey": "BYZ-HW-W-7" }, { "id": "iem-lsr-2026-02-02-wind-45.80--108.55", "lat": 45.8, "lon": -108.55, "zip": "", "city": "1 NW Billings", "date": "2026-02-02", "county": "Yellowstone", "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 KBIL Billings.", "sourceDetail": "NWS BYZ — ASOS via Iowa Mesonet", "windSpeedMph": 57, "evidenceLevel": "observed" }, { "id": "asos-bf-BIL-2026-02-02", "lat": 45.8069, "lon": -108.5422, "zip": "", "city": "BILLINGS/LOGAN INTL", "date": "2026-02-02", "county": "Yellowstone", "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": "BILLINGS/LOGAN INTL (BIL) recorded a 57 mph gust.", "sourceDetail": "MT_ASOS automated observation — BILLINGS/LOGAN INTL (BIL) [365d backfill 2026-08]", "windSpeedMph": 57, "evidenceLevel": "observed" }, { "id": "asos-bf-BIL-2026-01-16", "lat": 45.8069, "lon": -108.5422, "zip": "", "city": "BILLINGS/LOGAN INTL", "date": "2026-01-16", "county": "Yellowstone", "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": "BILLINGS/LOGAN INTL (BIL) recorded a 54 mph gust.", "sourceDetail": "MT_ASOS automated observation — BILLINGS/LOGAN INTL (BIL) [365d backfill 2026-08]", "windSpeedMph": 54, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-01-15-wind-45.78--108.16", "lat": 45.78, "lon": -108.16, "zip": "", "city": "11 WSW Corinth", "date": "2026-01-15", "county": "Yellowstone", "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 MTARC 11.8 S Ballantine (MT DOT).", "sourceDetail": "NWS BYZ — Mesonet via Iowa Mesonet", "windSpeedMph": 50, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-01-15-wind-45.79--108.47", "lat": 45.79, "lon": -108.47, "zip": "", "city": "3 SW Lockwood", "date": "2026-01-15", "county": "Yellowstone", "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 MTYRB 3.1 SW Lockwood (MT DOT).", "sourceDetail": "NWS BYZ — Mesonet via Iowa Mesonet", "windSpeedMph": 59, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-01-15-wind-45.80--108.55", "lat": 45.8, "lon": -108.55, "zip": "", "city": "1 NW Billings", "date": "2026-01-15", "county": "Yellowstone", "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 KBIL Billings.", "sourceDetail": "NWS BYZ — ASOS via Iowa Mesonet", "windSpeedMph": 60, "evidenceLevel": "observed" }, { "id": "asos-bf-6S8-2026-01-15", "lat": 45.7031, "lon": -108.7611, "zip": "", "city": "Laurel", "date": "2026-01-15", "county": "Yellowstone", "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": "Laurel (6S8) recorded a 55 mph gust.", "sourceDetail": "MT_ASOS automated observation — Laurel (6S8) [365d backfill 2026-08]", "windSpeedMph": 55, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-01-15-wind-45.73--108.40", "lat": 45.73, "lon": -108.4, "zip": "", "city": "6 S Lockwood", "date": "2026-01-15", "county": "Yellowstone", "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 SDAM8 Soda Springs.", "sourceDetail": "NWS BYZ — Mesonet via Iowa Mesonet", "windSpeedMph": 59, "evidenceLevel": "observed" }, { "id": "asos-bf-BIL-2026-01-15", "lat": 45.8069, "lon": -108.5422, "zip": "", "city": "BILLINGS/LOGAN INTL", "date": "2026-01-15", "county": "Yellowstone", "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": "BILLINGS/LOGAN INTL (BIL) recorded a 59 mph gust.", "sourceDetail": "MT_ASOS automated observation — BILLINGS/LOGAN INTL (BIL) [365d backfill 2026-08]", "windSpeedMph": 59, "evidenceLevel": "observed" }, { "id": "iem-ww-BYZ-HW-W-3-Yellowstone-wind-2026-01-15", "zip": "", "city": "Yellowstone", "date": "2026-01-15", "county": "Yellowstone", "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 Yellowstone.", "sourceDetail": "NWS BYZ — HW/W", "evidenceLevel": "warning", "warningProductKey": "BYZ-HW-W-3" }, { "id": "iem-lsr-2026-01-12-wind-46.24--108.14", "lat": 46.24, "lon": -108.14, "zip": "", "city": "18 SSE Delphia", "date": "2026-01-12", "county": "Yellowstone", "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 MTM99 Steamboat.", "sourceDetail": "NWS BYZ — Mesonet via Iowa Mesonet", "windSpeedMph": 63, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-01-07-wind-46.24--108.14", "lat": 46.24, "lon": -108.14, "zip": "", "city": "18 SSE Delphia", "date": "2026-01-07", "county": "Yellowstone", "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 MTM99 Steamboat.", "sourceDetail": "NWS BYZ — Mesonet via Iowa Mesonet", "windSpeedMph": 54, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-01-07-wind-45.94--108.15", "lat": 45.94, "lon": -108.15, "zip": "", "city": "1 SSE Ballantine", "date": "2026-01-07", "county": "Yellowstone", "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 MTBAL Ballantine I-94 Mp 15.0.", "sourceDetail": "NWS BYZ — Mesonet via Iowa Mesonet", "windSpeedMph": 57, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-01-07-wind-45.79--108.47", "lat": 45.79, "lon": -108.47, "zip": "", "city": "3 SW Lockwood", "date": "2026-01-07", "county": "Yellowstone", "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 MTYRB 3.1 SW Lockwood (MT DOT).", "sourceDetail": "NWS BYZ — Mesonet via Iowa Mesonet", "windSpeedMph": 60, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-01-07-wind-45.80--108.55", "lat": 45.8, "lon": -108.55, "zip": "", "city": "1 NW Billings", "date": "2026-01-07", "county": "Yellowstone", "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 KBIL Billings.", "sourceDetail": "NWS BYZ — ASOS via Iowa Mesonet", "windSpeedMph": 53, "evidenceLevel": "observed" }, { "id": "asos-bf-BIL-2026-01-07", "lat": 45.8069, "lon": -108.5422, "zip": "", "city": "BILLINGS/LOGAN INTL", "date": "2026-01-07", "county": "Yellowstone", "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": "BILLINGS/LOGAN INTL (BIL) recorded a 53 mph gust.", "sourceDetail": "MT_ASOS automated observation — BILLINGS/LOGAN INTL (BIL) [365d backfill 2026-08]", "windSpeedMph": 53, "evidenceLevel": "observed" }, { "id": "asos-bf-BIL-2025-12-20", "lat": 45.8069, "lon": -108.5422, "zip": "", "city": "BILLINGS/LOGAN INTL", "date": "2025-12-20", "county": "Yellowstone", "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": "BILLINGS/LOGAN INTL (BIL) recorded a 52 mph gust.", "sourceDetail": "MT_ASOS automated observation — BILLINGS/LOGAN INTL (BIL) [365d backfill 2026-08]", "windSpeedMph": 52, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-19-wind-45.73--108.40", "lat": 45.73, "lon": -108.4, "zip": "", "city": "6 S Lockwood", "date": "2025-12-19", "county": "Yellowstone", "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 SDAM8 Soda Springs.", "sourceDetail": "NWS BYZ — Mesonet via Iowa Mesonet", "windSpeedMph": 58, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-19-wind-45.73--108.40", "lat": 45.73, "lon": -108.4, "zip": "", "city": "6 S Lockwood", "date": "2025-12-19", "county": "Yellowstone", "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 SDAM8 Soda Springs.", "sourceDetail": "NWS BYZ — Mesonet via Iowa Mesonet", "windSpeedMph": 66, "evidenceLevel": "observed" }, { "id": "asos-bf-BIL-2025-12-19", "lat": 45.8069, "lon": -108.5422, "zip": "", "city": "BILLINGS/LOGAN INTL", "date": "2025-12-19", "county": "Yellowstone", "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": "BILLINGS/LOGAN INTL (BIL) recorded a 50 mph gust.", "sourceDetail": "MT_ASOS automated observation — BILLINGS/LOGAN INTL (BIL) [365d backfill 2026-08]", "windSpeedMph": 50, "evidenceLevel": "observed" }, { "id": "asos-bf-BIL-2025-12-18", "lat": 45.8069, "lon": -108.5422, "zip": "", "city": "BILLINGS/LOGAN INTL", "date": "2025-12-18", "county": "Yellowstone", "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": "BILLINGS/LOGAN INTL (BIL) recorded a 50 mph gust.", "sourceDetail": "MT_ASOS automated observation — BILLINGS/LOGAN INTL (BIL) [365d backfill 2026-08]", "windSpeedMph": 50, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-17-wind-45.94--108.15", "lat": 45.94, "lon": -108.15, "zip": "", "city": "1 SSE Ballantine", "date": "2025-12-17", "county": "Yellowstone", "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 MTBAL Ballantine I-94 Mp 15.0.", "sourceDetail": "NWS BYZ — Mesonet via Iowa Mesonet", "windSpeedMph": 63, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-17-wind-45.78--108.16", "lat": 45.78, "lon": -108.16, "zip": "", "city": "11 WSW Corinth", "date": "2025-12-17", "county": "Yellowstone", "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 MTARC 11.8 S Ballantine (MT DOT).", "sourceDetail": "NWS BYZ — Mesonet via Iowa Mesonet", "windSpeedMph": 57, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-17-wind-45.80--108.55", "lat": 45.8, "lon": -108.55, "zip": "", "city": "1 NW Billings", "date": "2025-12-17", "county": "Yellowstone", "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": "ASOS station KBIL Billings.", "sourceDetail": "NWS BYZ — ASOS via Iowa Mesonet", "windSpeedMph": 78, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-17-wind-45.75--108.57", "lat": 45.75, "lon": -108.57, "zip": "", "city": "3 SSW Billings", "date": "2025-12-17", "county": "Yellowstone", "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 FW2748 Billings.", "sourceDetail": "NWS BYZ — Mesonet via Iowa Mesonet", "windSpeedMph": 60, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-17-wind-45.80--108.67", "lat": 45.8, "lon": -108.67, "zip": "", "city": "6 W Billings", "date": "2025-12-17", "county": "Yellowstone", "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 GW3664 BILLINGS.", "sourceDetail": "NWS BYZ — Mesonet via Iowa Mesonet", "windSpeedMph": 55, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-17-wind-45.79--108.47", "lat": 45.79, "lon": -108.47, "zip": "", "city": "3 SW Lockwood", "date": "2025-12-17", "county": "Yellowstone", "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 MTYRB 3.1 SW Lockwood (MT DOT).", "sourceDetail": "NWS BYZ — Mesonet via Iowa Mesonet", "windSpeedMph": 73, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-17-wind-45.73--108.40", "lat": 45.73, "lon": -108.4, "zip": "", "city": "6 S Lockwood", "date": "2025-12-17", "county": "Yellowstone", "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 SDAM8 Soda Springs.", "sourceDetail": "NWS BYZ — Mesonet via Iowa Mesonet", "windSpeedMph": 65, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-17-wind-46.10--108.80", "lat": 46.1, "lon": -108.8, "zip": "", "city": "4 E Broadview", "date": "2025-12-17", "county": "Yellowstone", "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 DVI06605 Broadview.", "sourceDetail": "NWS BYZ — Mesonet via Iowa Mesonet", "windSpeedMph": 51, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-17-wind-45.80--108.55", "lat": 45.8, "lon": -108.55, "zip": "", "city": "1 NW Billings", "date": "2025-12-17", "county": "Yellowstone", "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": "ASOS station KBIL Billings.", "sourceDetail": "NWS BYZ — ASOS via Iowa Mesonet", "windSpeedMph": 79, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-17-wind-45.75--108.57", "lat": 45.75, "lon": -108.57, "zip": "", "city": "3 SSW Billings", "date": "2025-12-17", "county": "Yellowstone", "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 FW2748 Billings.", "sourceDetail": "NWS BYZ — Mesonet via Iowa Mesonet", "windSpeedMph": 63, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-17-wind-45.83--108.44", "lat": 45.83, "lon": -108.44, "zip": "", "city": "2 WNW Lockwood", "date": "2025-12-17", "county": "Yellowstone", "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 EW9130 Billings.", "sourceDetail": "NWS BYZ — Mesonet via Iowa Mesonet", "windSpeedMph": 53, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-17-wind-45.79--108.47", "lat": 45.79, "lon": -108.47, "zip": "", "city": "3 SW Lockwood", "date": "2025-12-17", "county": "Yellowstone", "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 MTYRB 3.1 SW Lockwood (MT DOT).", "sourceDetail": "NWS BYZ — Mesonet via Iowa Mesonet", "windSpeedMph": 76, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-17-wind-45.80--108.47", "lat": 45.8, "lon": -108.47, "zip": "", "city": "3 WSW Lockwood", "date": "2025-12-17", "county": "Yellowstone", "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 DVI08457 Billings.", "sourceDetail": "NWS BYZ — Mesonet via Iowa Mesonet", "windSpeedMph": 53, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-17-wind-45.78--108.16", "lat": 45.78, "lon": -108.16, "zip": "", "city": "11 WSW Corinth", "date": "2025-12-17", "county": "Yellowstone", "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 MTARC 11.8 S Ballantine (MT DOT).", "sourceDetail": "NWS BYZ — Mesonet via Iowa Mesonet", "windSpeedMph": 63, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-17-wind-46.26--108.10", "lat": 46.26, "lon": -108.1, "zip": "", "city": "17 SSE Delphia", "date": "2025-12-17", "county": "Yellowstone", "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 STBM8 Steamboat.", "sourceDetail": "NWS BYZ — Mesonet via Iowa Mesonet", "windSpeedMph": 62, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-17-wind-45.80--108.63", "lat": 45.8, "lon": -108.63, "zip": "", "city": "4 W Billings", "date": "2025-12-17", "county": "Yellowstone", "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": "NON-TSTM WND GST reported near 4 W Billings", "sourceDetail": "NWS BYZ — Trained Spotter via Iowa Mesonet", "windSpeedMph": 78, "evidenceLevel": "reported" }, { "id": "iem-lsr-2025-12-17-wind-45.73--108.40", "lat": 45.73, "lon": -108.4, "zip": "", "city": "6 S Lockwood", "date": "2025-12-17", "county": "Yellowstone", "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 SDAM8 Soda Springs.", "sourceDetail": "NWS BYZ — Mesonet via Iowa Mesonet", "windSpeedMph": 66, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-17-wind-46.26--108.10", "lat": 46.26, "lon": -108.1, "zip": "", "city": "17 SSE Delphia", "date": "2025-12-17", "county": "Yellowstone", "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 STBM8 Steamboat.", "sourceDetail": "NWS BYZ — Mesonet via Iowa Mesonet", "windSpeedMph": 68, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-17-wind-45.75--108.57", "lat": 45.75, "lon": -108.57, "zip": "", "city": "3 SSW Billings", "date": "2025-12-17", "county": "Yellowstone", "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 FW2748 Billings.", "sourceDetail": "NWS BYZ — Mesonet via Iowa Mesonet", "windSpeedMph": 74, "evidenceLevel": "observed" }, { "id": "asos-bf-BIL-2025-12-17", "lat": 45.8069, "lon": -108.5422, "zip": "", "city": "BILLINGS/LOGAN INTL", "date": "2025-12-17", "county": "Yellowstone", "source": "IEM ASOS Station", "severity": "severe", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "BILLINGS/LOGAN INTL (BIL) recorded a 79 mph gust.", "sourceDetail": "MT_ASOS automated observation — BILLINGS/LOGAN INTL (BIL) [365d backfill 2026-08]", "windSpeedMph": 79, "evidenceLevel": "observed" }, { "id": "iem-ww-BYZ-HW-W-16-Yellowstone-wind-2025-12-17", "zip": "", "city": "Yellowstone", "date": "2025-12-17", "county": "Yellowstone", "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 Yellowstone.", "sourceDetail": "NWS BYZ — HW/W", "evidenceLevel": "warning", "warningProductKey": "BYZ-HW-W-16" }, { "id": "iem-ww-BYZ-HW-W-15-Yellowstone-wind-2025-12-16", "zip": "", "city": "Yellowstone", "date": "2025-12-16", "county": "Yellowstone", "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 Yellowstone.", "sourceDetail": "NWS BYZ — HW/W", "evidenceLevel": "warning", "warningProductKey": "BYZ-HW-W-15" }, { "id": "iem-lsr-2025-12-09-wind-46.24--108.14", "lat": 46.24, "lon": -108.14, "zip": "", "city": "18 SSE Delphia", "date": "2025-12-09", "county": "Yellowstone", "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 MTM99 Steamboat.", "sourceDetail": "NWS BYZ — Mesonet via Iowa Mesonet", "windSpeedMph": 51, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-09-wind-45.79--108.47", "lat": 45.79, "lon": -108.47, "zip": "", "city": "3 SW Lockwood", "date": "2025-12-09", "county": "Yellowstone", "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 MTYRB 3.1 SW Lockwood (MT DOT).", "sourceDetail": "NWS BYZ — Mesonet via Iowa Mesonet", "windSpeedMph": 59, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-09-wind-45.75--108.57", "lat": 45.75, "lon": -108.57, "zip": "", "city": "3 SSW Billings", "date": "2025-12-09", "county": "Yellowstone", "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 FW2748 Billings.", "sourceDetail": "NWS BYZ — Mesonet via Iowa Mesonet", "windSpeedMph": 54, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-09-wind-45.73--108.40", "lat": 45.73, "lon": -108.4, "zip": "", "city": "6 S Lockwood", "date": "2025-12-09", "county": "Yellowstone", "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 SDAM8 Soda Springs.", "sourceDetail": "NWS BYZ — Mesonet via Iowa Mesonet", "windSpeedMph": 58, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-09-wind-45.80--108.55", "lat": 45.8, "lon": -108.55, "zip": "", "city": "1 NW Billings", "date": "2025-12-09", "county": "Yellowstone", "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 KBIL Billings.", "sourceDetail": "NWS BYZ — ASOS via Iowa Mesonet", "windSpeedMph": 59, "evidenceLevel": "observed" }, { "id": "asos-bf-BIL-2025-12-09", "lat": 45.8069, "lon": -108.5422, "zip": "", "city": "BILLINGS/LOGAN INTL", "date": "2025-12-09", "county": "Yellowstone", "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": "BILLINGS/LOGAN INTL (BIL) recorded a 59 mph gust.", "sourceDetail": "MT_ASOS automated observation — BILLINGS/LOGAN INTL (BIL) [365d backfill 2026-08]", "windSpeedMph": 59, "evidenceLevel": "observed" }, { "id": "iem-ww-BYZ-HW-W-13-Yellowstone-wind-2025-12-09", "zip": "", "city": "Yellowstone", "date": "2025-12-09", "county": "Yellowstone", "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 Yellowstone.", "sourceDetail": "NWS BYZ — HW/W", "evidenceLevel": "warning", "warningProductKey": "BYZ-HW-W-13" }, { "id": "iem-lsr-2025-11-24-wind-45.80--108.55", "lat": 45.8, "lon": -108.55, "zip": "", "city": "1 NW Billings", "date": "2025-11-24", "county": "Yellowstone", "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 KBIL Billings.", "sourceDetail": "NWS BYZ — ASOS via Iowa Mesonet", "windSpeedMph": 54, "evidenceLevel": "observed" }, { "id": "asos-bf-BIL-2025-11-24", "lat": 45.8069, "lon": -108.5422, "zip": "", "city": "BILLINGS/LOGAN INTL", "date": "2025-11-24", "county": "Yellowstone", "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": "BILLINGS/LOGAN INTL (BIL) recorded a 54 mph gust.", "sourceDetail": "MT_ASOS automated observation — BILLINGS/LOGAN INTL (BIL) [365d backfill 2026-08]", "windSpeedMph": 54, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-10-20-wind-45.80--108.55", "lat": 45.8, "lon": -108.55, "zip": "", "city": "1 NW Billings", "date": "2025-10-20", "county": "Yellowstone", "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 KBIL Billings.", "sourceDetail": "NWS BYZ — ASOS via Iowa Mesonet", "windSpeedMph": 50, "evidenceLevel": "observed" }, { "id": "asos-bf-BIL-2025-10-20", "lat": 45.8069, "lon": -108.5422, "zip": "", "city": "BILLINGS/LOGAN INTL", "date": "2025-10-20", "county": "Yellowstone", "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": "BILLINGS/LOGAN INTL (BIL) recorded a 50 mph gust.", "sourceDetail": "MT_ASOS automated observation — BILLINGS/LOGAN INTL (BIL) [365d backfill 2026-08]", "windSpeedMph": 50, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-10-12-wind-45.79--108.47", "lat": 45.79, "lon": -108.47, "zip": "", "city": "3 SW Lockwood", "date": "2025-10-12", "county": "Yellowstone", "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 MTYRB 3.1 SW Lockwood (MT DOT).", "sourceDetail": "NWS BYZ — Mesonet via Iowa Mesonet", "windSpeedMph": 50, "evidenceLevel": "observed" } ] }