{
 "dataset": "Great Falls, MT storm events — 12-month window, 25-mile radius (floods and special weather statements excluded, matching the city page)",
 "license": "https://www.stormauditor.com/data-license",
 "provenance": "Deduplicated 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": "2026-08-24T04:00:11.039+00:00",
 "window_days": 365,
 "event_count": 230,
 "fields": {
  "date": "Event date (YYYY-MM-DD, local storm day)",
  "county": "County or county-equivalent",
  "city": "Nearest city/place named in the source record",
  "event_type": "hazard tag: wind | hail | tornado | flood | lightning",
  "severity": "StormAuditor severity bucket (low|moderate|high|severe)",
  "evidence": "evidence level of the source record",
  "wind_mph": "reported/estimated wind gust, mph (blank if n/a)",
  "hail_in": "reported/estimated hail size, inches (blank if n/a)",
  "source": "originating public record (NWS warning, LSR, NCEI, ...)",
  "lat": "event latitude (WGS84, may be blank)",
  "lon": "event longitude (WGS84, may be blank)"
 },
 "events": [
  {
   "id": "asos-GTF-2026-07-24-4948",
   "lat": 47.4733,
   "lon": -111.3822,
   "zip": "",
   "city": "GREAT FALLS INTL",
   "date": "2026-07-24",
   "county": "Cascade",
   "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": "GREAT FALLS INTL (GTF) recorded a 51 mph gust.",
   "sourceDetail": "MT_ASOS automated observation — GREAT FALLS INTL (GTF)",
   "windSpeedMph": 51,
   "evidenceLevel": "observed"
  },
  {
   "id": "asos-bf-GTF-2026-07-24",
   "lat": 47.4733,
   "lon": -111.3822,
   "zip": "",
   "city": "GREAT FALLS INTL",
   "date": "2026-07-24",
   "county": "Cascade",
   "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": "GREAT FALLS INTL (GTF) recorded a 50 mph gust.",
   "sourceDetail": "MT_ASOS automated observation — GREAT FALLS INTL (GTF) [365d backfill 2026-08]",
   "windSpeedMph": 50,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2026-07-18-wind-47.47--111.38",
   "lat": 47.47,
   "lon": -111.38,
   "zip": "",
   "city": "5 WSW Great Falls",
   "date": "2026-07-18",
   "county": "Cascade",
   "source": "IEM Local Storm Reports",
   "severity": "high",
   "eventType": "wind",
   "confidence": 0.92,
   "damageTypes": [
    "Roof shingle lift",
    "Soffit/fascia damage",
    "Tree strike risk",
    "Fence/screen damage"
   ],
   "description": "Corrects previous non-tstm wnd gst report from 5 WSW Great Falls. ASOS station KGTF Great Falls Airport.",
   "sourceDetail": "NWS TFX — ASOS via Iowa Mesonet",
   "windSpeedMph": 70,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2026-07-18-wind-47.50--111.17",
   "lat": 47.5,
   "lon": -111.17,
   "zip": "",
   "city": "1 ESE Malmstrom Afb",
   "date": "2026-07-18",
   "county": "Cascade",
   "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 KGFA Malmstrom AFB.",
   "sourceDetail": "NWS TFX — AWOS via Iowa Mesonet",
   "windSpeedMph": 61,
   "evidenceLevel": "observed"
  },
  {
   "id": "asos-GTF-2026-07-18-5357",
   "lat": 47.4733,
   "lon": -111.3822,
   "zip": "",
   "city": "GREAT FALLS INTL",
   "date": "2026-07-18",
   "county": "Cascade",
   "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": "GREAT FALLS INTL (GTF) recorded a 70 mph gust.",
   "sourceDetail": "MT_ASOS automated observation — GREAT FALLS INTL (GTF)",
   "windSpeedMph": 70,
   "evidenceLevel": "observed"
  },
  {
   "id": "asos-GFA-2026-07-18-5541",
   "lat": 47.5047,
   "lon": -111.1873,
   "zip": "",
   "city": "MALMSTROM AFB",
   "date": "2026-07-18",
   "county": "Cascade",
   "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": "MALMSTROM AFB (GFA) recorded a 61 mph gust.",
   "sourceDetail": "MT_ASOS automated observation — MALMSTROM AFB (GFA)",
   "windSpeedMph": 61,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2026-07-17-wind-47.33--111.48",
   "lat": 47.33,
   "lon": -111.48,
   "zip": "",
   "city": "7 SSE Ulm",
   "date": "2026-07-17",
   "county": "Cascade",
   "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 7 SSE Ulm",
   "sourceDetail": "NWS TFX — Trained Spotter via Iowa Mesonet",
   "windSpeedMph": 56,
   "evidenceLevel": "reported"
  },
  {
   "id": "iem-lsr-2026-07-17-wind-47.32--111.47",
   "lat": 47.32,
   "lon": -111.47,
   "zip": "",
   "city": "8 SSE Ulm",
   "date": "2026-07-17",
   "county": "Cascade",
   "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 K1IM India.",
   "sourceDetail": "NWS TFX — AWOS via Iowa Mesonet",
   "windSpeedMph": 72,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2026-07-17-wind-47.32--111.47",
   "lat": 47.32,
   "lon": -111.47,
   "zip": "",
   "city": "8 SSE Ulm",
   "date": "2026-07-17",
   "county": "Cascade",
   "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 K1IM India.",
   "sourceDetail": "NWS TFX — AWOS via Iowa Mesonet",
   "windSpeedMph": 70,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2026-07-17-wind-47.47--111.38",
   "lat": 47.47,
   "lon": -111.38,
   "zip": "",
   "city": "5 WSW Great Falls",
   "date": "2026-07-17",
   "county": "Cascade",
   "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 KGTF Great Falls Airport.",
   "sourceDetail": "NWS TFX — ASOS via Iowa Mesonet",
   "windSpeedMph": 53,
   "evidenceLevel": "observed"
  },
  {
   "id": "asos-GTF-2026-07-17-5639",
   "lat": 47.4733,
   "lon": -111.3822,
   "zip": "",
   "city": "GREAT FALLS INTL",
   "date": "2026-07-17",
   "county": "Cascade",
   "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": "GREAT FALLS INTL (GTF) recorded a 53 mph gust.",
   "sourceDetail": "MT_ASOS automated observation — GREAT FALLS INTL (GTF)",
   "windSpeedMph": 53,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2026-07-12-wind-47.47--111.38",
   "lat": 47.47,
   "lon": -111.38,
   "zip": "",
   "city": "5 WSW Great Falls",
   "date": "2026-07-12",
   "county": "Cascade",
   "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 KGTF Great Falls Airport.",
   "sourceDetail": "NWS TFX — ASOS via Iowa Mesonet",
   "windSpeedMph": 64,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2026-07-12-wind-47.46--111.39",
   "lat": 47.46,
   "lon": -111.39,
   "zip": "",
   "city": "5 SW Great Falls",
   "date": "2026-07-12",
   "county": "Cascade",
   "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 5 SW Great Falls",
   "sourceDetail": "NWS TFX — Official NWS Obs via Iowa Mesonet",
   "windSpeedMph": 70,
   "evidenceLevel": "reported"
  },
  {
   "id": "asos-bf-GTF-2026-07-12",
   "lat": 47.4733,
   "lon": -111.3822,
   "zip": "",
   "city": "GREAT FALLS INTL",
   "date": "2026-07-12",
   "county": "Cascade",
   "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": "GREAT FALLS INTL (GTF) recorded a 64 mph gust.",
   "sourceDetail": "MT_ASOS automated observation — GREAT FALLS INTL (GTF) [365d backfill 2026-08]",
   "windSpeedMph": 64,
   "evidenceLevel": "observed"
  },
  {
   "id": "asos-bf-GTF-2026-06-16",
   "lat": 47.4733,
   "lon": -111.3822,
   "zip": "",
   "city": "GREAT FALLS INTL",
   "date": "2026-06-16",
   "county": "Cascade",
   "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": "GREAT FALLS INTL (GTF) recorded a 55 mph gust.",
   "sourceDetail": "MT_ASOS automated observation — GREAT FALLS INTL (GTF) [365d backfill 2026-08]",
   "windSpeedMph": 55,
   "evidenceLevel": "observed"
  },
  {
   "id": "asos-bf-GFA-2026-06-12",
   "lat": 47.5047,
   "lon": -111.1873,
   "zip": "",
   "city": "MALMSTROM AFB",
   "date": "2026-06-12",
   "county": "Cascade",
   "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": "MALMSTROM AFB (GFA) recorded a 75 mph gust.",
   "sourceDetail": "MT_ASOS automated observation — MALMSTROM AFB (GFA) [365d backfill 2026-08]",
   "windSpeedMph": 75,
   "evidenceLevel": "observed"
  },
  {
   "id": "asos-bf-GTF-2026-06-07",
   "lat": 47.4733,
   "lon": -111.3822,
   "zip": "",
   "city": "GREAT FALLS INTL",
   "date": "2026-06-07",
   "county": "Cascade",
   "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": "GREAT FALLS INTL (GTF) recorded a 51 mph gust.",
   "sourceDetail": "MT_ASOS automated observation — GREAT FALLS INTL (GTF) [365d backfill 2026-08]",
   "windSpeedMph": 51,
   "evidenceLevel": "observed"
  },
  {
   "id": "asos-bf-GTF-2026-05-14",
   "lat": 47.4733,
   "lon": -111.3822,
   "zip": "",
   "city": "GREAT FALLS INTL",
   "date": "2026-05-14",
   "county": "Cascade",
   "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": "GREAT FALLS INTL (GTF) recorded a 53 mph gust.",
   "sourceDetail": "MT_ASOS automated observation — GREAT FALLS INTL (GTF) [365d backfill 2026-08]",
   "windSpeedMph": 53,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2026-05-13-wind-47.28--111.62",
   "lat": 47.28,
   "lon": -111.62,
   "zip": "",
   "city": "4 E Cascade",
   "date": "2026-05-13",
   "county": "Cascade",
   "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 MTM76 Cascade E Mda.",
   "sourceDetail": "NWS TFX — Mesonet via Iowa Mesonet",
   "windSpeedMph": 61,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2026-05-13-wind-47.32--111.47",
   "lat": 47.32,
   "lon": -111.47,
   "zip": "",
   "city": "8 SSE Ulm",
   "date": "2026-05-13",
   "county": "Cascade",
   "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 K1IM India.",
   "sourceDetail": "NWS TFX — AWOS via Iowa Mesonet",
   "windSpeedMph": 59,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2026-05-13-wind-47.33--111.48",
   "lat": 47.33,
   "lon": -111.48,
   "zip": "",
   "city": "7 SSE Ulm",
   "date": "2026-05-13",
   "county": "Cascade",
   "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 7 SSE Ulm",
   "sourceDetail": "NWS TFX — Trained Spotter via Iowa Mesonet",
   "windSpeedMph": 61,
   "evidenceLevel": "reported"
  },
  {
   "id": "iem-lsr-2026-05-13-wind-47.47--111.38",
   "lat": 47.47,
   "lon": -111.38,
   "zip": "",
   "city": "5 WSW Great Falls",
   "date": "2026-05-13",
   "county": "Cascade",
   "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 KGTF Great Falls Airport.",
   "sourceDetail": "NWS TFX — ASOS via Iowa Mesonet",
   "windSpeedMph": 63,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2026-05-13-wind-47.43--111.02",
   "lat": 47.43,
   "lon": -111.02,
   "zip": "",
   "city": "5 NW Belt",
   "date": "2026-05-13",
   "county": "Cascade",
   "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": "MT Mesonet Belt NW.",
   "sourceDetail": "NWS TFX — Mesonet via Iowa Mesonet",
   "windSpeedMph": 65,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2026-05-13-wind-47.68--110.90",
   "lat": 47.68,
   "lon": -110.9,
   "zip": "",
   "city": "7 ESE Floweree",
   "date": "2026-05-13",
   "county": "Chouteau",
   "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": "Montana Mesonet Highwood Bench.",
   "sourceDetail": "NWS TFX — Mesonet via Iowa Mesonet",
   "windSpeedMph": 68,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2026-05-13-wind-47.50--111.17",
   "lat": 47.5,
   "lon": -111.17,
   "zip": "",
   "city": "1 ESE Malmstrom Afb",
   "date": "2026-05-13",
   "county": "Cascade",
   "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 KGFA Malmstrom AFB.",
   "sourceDetail": "NWS TFX — AWOS via Iowa Mesonet",
   "windSpeedMph": 61,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2026-05-13-wind-47.47--111.38",
   "lat": 47.47,
   "lon": -111.38,
   "zip": "",
   "city": "5 WSW Great Falls",
   "date": "2026-05-13",
   "county": "Cascade",
   "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 KGTF Great Falls Airport.",
   "sourceDetail": "NWS TFX — ASOS via Iowa Mesonet",
   "windSpeedMph": 69,
   "evidenceLevel": "observed"
  },
  {
   "id": "asos-bf-GFA-2026-05-13",
   "lat": 47.5047,
   "lon": -111.1873,
   "zip": "",
   "city": "MALMSTROM AFB",
   "date": "2026-05-13",
   "county": "Cascade",
   "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": "MALMSTROM AFB (GFA) recorded a 61 mph gust.",
   "sourceDetail": "MT_ASOS automated observation — MALMSTROM AFB (GFA) [365d backfill 2026-08]",
   "windSpeedMph": 61,
   "evidenceLevel": "observed"
  },
  {
   "id": "asos-bf-GTF-2026-05-13",
   "lat": 47.4733,
   "lon": -111.3822,
   "zip": "",
   "city": "GREAT FALLS INTL",
   "date": "2026-05-13",
   "county": "Cascade",
   "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": "GREAT FALLS INTL (GTF) recorded a 69 mph gust.",
   "sourceDetail": "MT_ASOS automated observation — GREAT FALLS INTL (GTF) [365d backfill 2026-08]",
   "windSpeedMph": 69,
   "evidenceLevel": "observed"
  },
  {
   "id": "asos-bf-GTF-2026-04-22",
   "lat": 47.4733,
   "lon": -111.3822,
   "zip": "",
   "city": "GREAT FALLS INTL",
   "date": "2026-04-22",
   "county": "Cascade",
   "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": "GREAT FALLS INTL (GTF) recorded a 50 mph gust.",
   "sourceDetail": "MT_ASOS automated observation — GREAT FALLS INTL (GTF) [365d backfill 2026-08]",
   "windSpeedMph": 50,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2026-04-07-wind-47.47--111.38",
   "lat": 47.47,
   "lon": -111.38,
   "zip": "",
   "city": "5 WSW Great Falls",
   "date": "2026-04-07",
   "county": "Cascade",
   "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": "A wind gust of 61 mph was reported by the Great Falls Airport.",
   "sourceDetail": "NWS TFX — ASOS via Iowa Mesonet",
   "windSpeedMph": 61,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2026-04-07-wind-47.28--111.62",
   "lat": 47.28,
   "lon": -111.62,
   "zip": "",
   "city": "4 E Cascade",
   "date": "2026-04-07",
   "county": "Cascade",
   "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 MTM76 Cascade E Mda.",
   "sourceDetail": "NWS TFX — Mesonet via Iowa Mesonet",
   "windSpeedMph": 59,
   "evidenceLevel": "observed"
  },
  {
   "id": "asos-bf-GTF-2026-04-07",
   "lat": 47.4733,
   "lon": -111.3822,
   "zip": "",
   "city": "GREAT FALLS INTL",
   "date": "2026-04-07",
   "county": "Cascade",
   "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": "GREAT FALLS INTL (GTF) recorded a 61 mph gust.",
   "sourceDetail": "MT_ASOS automated observation — GREAT FALLS INTL (GTF) [365d backfill 2026-08]",
   "windSpeedMph": 61,
   "evidenceLevel": "observed"
  },
  {
   "id": "asos-bf-GTF-2026-03-25",
   "lat": 47.4733,
   "lon": -111.3822,
   "zip": "",
   "city": "GREAT FALLS INTL",
   "date": "2026-03-25",
   "county": "Cascade",
   "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": "GREAT FALLS INTL (GTF) recorded a 55 mph gust.",
   "sourceDetail": "MT_ASOS automated observation — GREAT FALLS INTL (GTF) [365d backfill 2026-08]",
   "windSpeedMph": 55,
   "evidenceLevel": "observed"
  },
  {
   "id": "asos-bf-GFA-2026-03-20",
   "lat": 47.5047,
   "lon": -111.1873,
   "zip": "",
   "city": "MALMSTROM AFB",
   "date": "2026-03-20",
   "county": "Cascade",
   "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": "MALMSTROM AFB (GFA) recorded a 53 mph gust.",
   "sourceDetail": "MT_ASOS automated observation — MALMSTROM AFB (GFA) [365d backfill 2026-08]",
   "windSpeedMph": 53,
   "evidenceLevel": "observed"
  },
  {
   "id": "asos-bf-GTF-2026-03-20",
   "lat": 47.4733,
   "lon": -111.3822,
   "zip": "",
   "city": "GREAT FALLS INTL",
   "date": "2026-03-20",
   "county": "Cascade",
   "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": "GREAT FALLS INTL (GTF) recorded a 56 mph gust.",
   "sourceDetail": "MT_ASOS automated observation — GREAT FALLS INTL (GTF) [365d backfill 2026-08]",
   "windSpeedMph": 56,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2026-03-19-wind-47.50--111.17",
   "lat": 47.5,
   "lon": -111.17,
   "zip": "",
   "city": "1 ESE Malmstrom Afb",
   "date": "2026-03-19",
   "county": "Cascade",
   "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 KGFA Malmstrom AFB.",
   "sourceDetail": "NWS TFX — AWOS via Iowa Mesonet",
   "windSpeedMph": 56,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2026-03-19-wind-47.43--111.02",
   "lat": 47.43,
   "lon": -111.02,
   "zip": "",
   "city": "5 NW Belt",
   "date": "2026-03-19",
   "county": "Cascade",
   "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": "Montana mesonet site Belt NW.",
   "sourceDetail": "NWS TFX — Mesonet via Iowa Mesonet",
   "windSpeedMph": 58,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2026-03-19-wind-47.41--111.72",
   "lat": 47.41,
   "lon": -111.72,
   "zip": "",
   "city": "8 SSE Fort  Shaw",
   "date": "2026-03-19",
   "county": "Cascade",
   "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": "Montana mesonet site Sun River SE.",
   "sourceDetail": "NWS TFX — Mesonet via Iowa Mesonet",
   "windSpeedMph": 58,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2026-03-19-wind-47.75--111.55",
   "lat": 47.75,
   "lon": -111.55,
   "zip": "",
   "city": "7 ENE Power",
   "date": "2026-03-19",
   "county": "Teton",
   "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 K1JM 6 ENE Power.",
   "sourceDetail": "NWS TFX — AWOS via Iowa Mesonet",
   "windSpeedMph": 56,
   "evidenceLevel": "observed"
  },
  {
   "id": "asos-bf-GFA-2026-03-19",
   "lat": 47.5047,
   "lon": -111.1873,
   "zip": "",
   "city": "MALMSTROM AFB",
   "date": "2026-03-19",
   "county": "Cascade",
   "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": "MALMSTROM AFB (GFA) recorded a 56 mph gust.",
   "sourceDetail": "MT_ASOS automated observation — MALMSTROM AFB (GFA) [365d backfill 2026-08]",
   "windSpeedMph": 56,
   "evidenceLevel": "observed"
  },
  {
   "id": "asos-bf-GTF-2026-03-19",
   "lat": 47.4733,
   "lon": -111.3822,
   "zip": "",
   "city": "GREAT FALLS INTL",
   "date": "2026-03-19",
   "county": "Cascade",
   "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": "GREAT FALLS INTL (GTF) recorded a 52 mph gust.",
   "sourceDetail": "MT_ASOS automated observation — GREAT FALLS INTL (GTF) [365d backfill 2026-08]",
   "windSpeedMph": 52,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2026-03-18-wind-47.32--111.33",
   "lat": 47.32,
   "lon": -111.33,
   "zip": "",
   "city": "8 WSW Stockett",
   "date": "2026-03-18",
   "county": "Cascade",
   "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": "Montana mesonet site Eden NW.",
   "sourceDetail": "NWS TFX — Mesonet via Iowa Mesonet",
   "windSpeedMph": 59,
   "evidenceLevel": "observed"
  },
  {
   "id": "asos-bf-GTF-2026-03-18",
   "lat": 47.4733,
   "lon": -111.3822,
   "zip": "",
   "city": "GREAT FALLS INTL",
   "date": "2026-03-18",
   "county": "Cascade",
   "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": "GREAT FALLS INTL (GTF) recorded a 50 mph gust.",
   "sourceDetail": "MT_ASOS automated observation — GREAT FALLS INTL (GTF) [365d backfill 2026-08]",
   "windSpeedMph": 50,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2026-03-17-wind-47.28--111.62",
   "lat": 47.28,
   "lon": -111.62,
   "zip": "",
   "city": "4 E Cascade",
   "date": "2026-03-17",
   "county": "Cascade",
   "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 MTM76 Cascade E Mda.",
   "sourceDetail": "NWS TFX — Mesonet via Iowa Mesonet",
   "windSpeedMph": 66,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2026-03-17-wind-47.28--111.62",
   "lat": 47.28,
   "lon": -111.62,
   "zip": "",
   "city": "4 E Cascade",
   "date": "2026-03-17",
   "county": "Cascade",
   "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 MTM76 Cascade E Mda.",
   "sourceDetail": "NWS TFX — Mesonet via Iowa Mesonet",
   "windSpeedMph": 63,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2026-03-17-wind-47.47--111.38",
   "lat": 47.47,
   "lon": -111.38,
   "zip": "",
   "city": "5 WSW Great Falls",
   "date": "2026-03-17",
   "county": "Cascade",
   "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 KGTF Great Falls Airport.",
   "sourceDetail": "NWS TFX — ASOS via Iowa Mesonet",
   "windSpeedMph": 64,
   "evidenceLevel": "observed"
  },
  {
   "id": "asos-bf-GTF-2026-03-17",
   "lat": 47.4733,
   "lon": -111.3822,
   "zip": "",
   "city": "GREAT FALLS INTL",
   "date": "2026-03-17",
   "county": "Cascade",
   "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": "GREAT FALLS INTL (GTF) recorded a 64 mph gust.",
   "sourceDetail": "MT_ASOS automated observation — GREAT FALLS INTL (GTF) [365d backfill 2026-08]",
   "windSpeedMph": 64,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2026-03-16-wind-47.28--111.62",
   "lat": 47.28,
   "lon": -111.62,
   "zip": "",
   "city": "4 E Cascade",
   "date": "2026-03-16",
   "county": "Cascade",
   "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 MTM76 Cascade E Mda.",
   "sourceDetail": "NWS TFX — Mesonet via Iowa Mesonet",
   "windSpeedMph": 58,
   "evidenceLevel": "observed"
  },
  {
   "id": "asos-bf-GTF-2026-03-16",
   "lat": 47.4733,
   "lon": -111.3822,
   "zip": "",
   "city": "GREAT FALLS INTL",
   "date": "2026-03-16",
   "county": "Cascade",
   "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": "GREAT FALLS INTL (GTF) recorded a 53 mph gust.",
   "sourceDetail": "MT_ASOS automated observation — GREAT FALLS INTL (GTF) [365d backfill 2026-08]",
   "windSpeedMph": 53,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2026-03-12-wind-47.28--111.62",
   "lat": 47.28,
   "lon": -111.62,
   "zip": "",
   "city": "4 E Cascade",
   "date": "2026-03-12",
   "county": "Cascade",
   "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 MTM76 Cascade E Mda.",
   "sourceDetail": "NWS TFX — Mesonet via Iowa Mesonet",
   "windSpeedMph": 61,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2026-03-12-wind-47.32--111.33",
   "lat": 47.32,
   "lon": -111.33,
   "zip": "",
   "city": "8 WSW Stockett",
   "date": "2026-03-12",
   "county": "Cascade",
   "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": "Montana mesonet site Eden NW.",
   "sourceDetail": "NWS TFX — Public via Iowa Mesonet",
   "windSpeedMph": 60,
   "evidenceLevel": "reported"
  },
  {
   "id": "iem-lsr-2026-03-12-wind-47.47--111.38",
   "lat": 47.47,
   "lon": -111.38,
   "zip": "",
   "city": "5 WSW Great Falls",
   "date": "2026-03-12",
   "county": "Cascade",
   "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 KGTF Great Falls Airport.",
   "sourceDetail": "NWS TFX — ASOS via Iowa Mesonet",
   "windSpeedMph": 58,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2026-03-12-wind-47.41--111.72",
   "lat": 47.41,
   "lon": -111.72,
   "zip": "",
   "city": "8 SSE Fort  Shaw",
   "date": "2026-03-12",
   "county": "Cascade",
   "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": "Montana mesonet station Sun River SE.",
   "sourceDetail": "NWS TFX — Mesonet via Iowa Mesonet",
   "windSpeedMph": 59,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2026-03-12-wind-47.43--111.02",
   "lat": 47.43,
   "lon": -111.02,
   "zip": "",
   "city": "5 NW Belt",
   "date": "2026-03-12",
   "county": "Cascade",
   "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": "Montana mesonet station Belt NW.",
   "sourceDetail": "NWS TFX — Mesonet via Iowa Mesonet",
   "windSpeedMph": 62,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2026-03-12-wind-47.28--111.62",
   "lat": 47.28,
   "lon": -111.62,
   "zip": "",
   "city": "4 E Cascade",
   "date": "2026-03-12",
   "county": "Cascade",
   "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 MTM76 Cascade E Mda.",
   "sourceDetail": "NWS TFX — Mesonet via Iowa Mesonet",
   "windSpeedMph": 65,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2026-03-12-wind-47.75--111.55",
   "lat": 47.75,
   "lon": -111.55,
   "zip": "",
   "city": "7 ENE Power",
   "date": "2026-03-12",
   "county": "Teton",
   "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 7 ENE Power",
   "sourceDetail": "NWS TFX — Other Federal via Iowa Mesonet",
   "windSpeedMph": 58,
   "evidenceLevel": "reported"
  },
  {
   "id": "iem-lsr-2026-03-12-wind-47.30--111.36",
   "lat": 47.3,
   "lon": -111.36,
   "zip": "",
   "city": "10 WSW Stockett",
   "date": "2026-03-12",
   "county": "Cascade",
   "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 FW1843 Great Falls.",
   "sourceDetail": "NWS TFX — Mesonet via Iowa Mesonet",
   "windSpeedMph": 65,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2026-03-12-wind-47.50--111.17",
   "lat": 47.5,
   "lon": -111.17,
   "zip": "",
   "city": "1 ESE Malmstrom Afb",
   "date": "2026-03-12",
   "county": "Cascade",
   "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 KGFA Malmstrom AFB.",
   "sourceDetail": "NWS TFX — AWOS via Iowa Mesonet",
   "windSpeedMph": 58,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2026-03-12-wind-47.32--111.33",
   "lat": 47.32,
   "lon": -111.33,
   "zip": "",
   "city": "8 WSW Stockett",
   "date": "2026-03-12",
   "county": "Cascade",
   "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": "Montana mesonet Eden NW.",
   "sourceDetail": "NWS TFX — Mesonet via Iowa Mesonet",
   "windSpeedMph": 76,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2026-03-12-wind-47.30--111.36",
   "lat": 47.3,
   "lon": -111.36,
   "zip": "",
   "city": "10 WSW Stockett",
   "date": "2026-03-12",
   "county": "Cascade",
   "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 FW1843 Great Falls.",
   "sourceDetail": "NWS TFX — Mesonet via Iowa Mesonet",
   "windSpeedMph": 66,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2026-03-12-wind-47.30--111.36",
   "lat": 47.3,
   "lon": -111.36,
   "zip": "",
   "city": "10 WSW Stockett",
   "date": "2026-03-12",
   "county": "Cascade",
   "source": "IEM Local Storm Reports",
   "severity": "high",
   "eventType": "wind",
   "confidence": 0.92,
   "damageTypes": [
    "Roof shingle lift",
    "Soffit/fascia damage",
    "Tree strike risk",
    "Fence/screen damage"
   ],
   "description": "Corrects previous non-tstm wnd gst report from 10 WSW Stockett. Mesonet station FW1843 Great Falls.",
   "sourceDetail": "NWS TFX — Mesonet via Iowa Mesonet",
   "windSpeedMph": 70,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2026-03-12-wind-47.50--111.17",
   "lat": 47.5,
   "lon": -111.17,
   "zip": "",
   "city": "1 ESE Malmstrom Afb",
   "date": "2026-03-12",
   "county": "Cascade",
   "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 KGFA Malmstrom AFB.",
   "sourceDetail": "NWS TFX — AWOS via Iowa Mesonet",
   "windSpeedMph": 59,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2026-03-12-wind-47.32--111.47",
   "lat": 47.32,
   "lon": -111.47,
   "zip": "",
   "city": "8 SSE Ulm",
   "date": "2026-03-12",
   "county": "Cascade",
   "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 K1IM India.",
   "sourceDetail": "NWS TFX — AWOS via Iowa Mesonet",
   "windSpeedMph": 58,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2026-03-12-wind-47.43--111.02",
   "lat": 47.43,
   "lon": -111.02,
   "zip": "",
   "city": "5 NW Belt",
   "date": "2026-03-12",
   "county": "Cascade",
   "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": "Montana mesonet station Belt NW.",
   "sourceDetail": "NWS TFX — Mesonet via Iowa Mesonet",
   "windSpeedMph": 69,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2026-03-12-wind-47.69--111.47",
   "lat": 47.69,
   "lon": -111.47,
   "zip": "",
   "city": "10 NNE Vaughn",
   "date": "2026-03-12",
   "county": "Cascade",
   "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": "Montana mesonet station Benton Lake W.",
   "sourceDetail": "NWS TFX — Mesonet via Iowa Mesonet",
   "windSpeedMph": 58,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2026-03-12-wind-47.47--111.38",
   "lat": 47.47,
   "lon": -111.38,
   "zip": "",
   "city": "5 WSW Great Falls",
   "date": "2026-03-12",
   "county": "Cascade",
   "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 KGTF Great Falls Airport.",
   "sourceDetail": "NWS TFX — ASOS via Iowa Mesonet",
   "windSpeedMph": 68,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2026-03-12-wind-47.46--111.39",
   "lat": 47.46,
   "lon": -111.39,
   "zip": "",
   "city": "5 WSW Great Falls",
   "date": "2026-03-12",
   "county": "Cascade",
   "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": "RSOIS observations at NWS Great Falls.",
   "sourceDetail": "NWS TFX — Official NWS Obs via Iowa Mesonet",
   "windSpeedMph": 62,
   "evidenceLevel": "reported"
  },
  {
   "id": "iem-lsr-2026-03-12-wind-47.47--111.38",
   "lat": 47.47,
   "lon": -111.38,
   "zip": "",
   "city": "5 WSW Great Falls",
   "date": "2026-03-12",
   "county": "Cascade",
   "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 KGTF Great Falls Airport.",
   "sourceDetail": "NWS TFX — ASOS via Iowa Mesonet",
   "windSpeedMph": 69,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2026-03-12-wind-47.43--111.02",
   "lat": 47.43,
   "lon": -111.02,
   "zip": "",
   "city": "5 NW Belt",
   "date": "2026-03-12",
   "county": "Cascade",
   "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": "Montana mesonet station Belt NW.",
   "sourceDetail": "NWS TFX — Mesonet via Iowa Mesonet",
   "windSpeedMph": 76,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2026-03-12-wind-47.47--111.38",
   "lat": 47.47,
   "lon": -111.38,
   "zip": "",
   "city": "5 WSW Great Falls",
   "date": "2026-03-12",
   "county": "Cascade",
   "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 KGTF Great Falls Airport.",
   "sourceDetail": "NWS TFX — ASOS via Iowa Mesonet",
   "windSpeedMph": 79,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2026-03-12-wind-47.47--111.38",
   "lat": 47.47,
   "lon": -111.38,
   "zip": "",
   "city": "5 WSW Great Falls",
   "date": "2026-03-12",
   "county": "Cascade",
   "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": "Corrected to 80 mph ASOS station KGTF Great Falls Airport.",
   "sourceDetail": "NWS TFX — ASOS via Iowa Mesonet",
   "windSpeedMph": 80,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2026-03-12-wind-47.41--111.72",
   "lat": 47.41,
   "lon": -111.72,
   "zip": "",
   "city": "8 SSE Fort  Shaw",
   "date": "2026-03-12",
   "county": "Cascade",
   "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": "Montana mesonet station Sun River SE.",
   "sourceDetail": "NWS TFX — Mesonet via Iowa Mesonet",
   "windSpeedMph": 69,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2026-03-12-wind-47.46--111.39",
   "lat": 47.46,
   "lon": -111.39,
   "zip": "",
   "city": "5 WSW Great Falls",
   "date": "2026-03-12",
   "county": "Cascade",
   "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 5 WSW Great Falls",
   "sourceDetail": "NWS TFX — Official NWS Obs via Iowa Mesonet",
   "windSpeedMph": 70,
   "evidenceLevel": "reported"
  },
  {
   "id": "iem-lsr-2026-03-12-wind-47.68--110.90",
   "lat": 47.68,
   "lon": -110.9,
   "zip": "",
   "city": "7 ESE Floweree",
   "date": "2026-03-12",
   "county": "Chouteau",
   "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": "Montana mesonet station Highwood Bench.",
   "sourceDetail": "NWS TFX — Mesonet via Iowa Mesonet",
   "windSpeedMph": 58,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2026-03-12-wind-47.32--111.47",
   "lat": 47.32,
   "lon": -111.47,
   "zip": "",
   "city": "8 SSE Ulm",
   "date": "2026-03-12",
   "county": "Cascade",
   "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 K1IM India.",
   "sourceDetail": "NWS TFX — AWOS via Iowa Mesonet",
   "windSpeedMph": 60,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2026-03-12-wind-47.30--111.36",
   "lat": 47.3,
   "lon": -111.36,
   "zip": "",
   "city": "10 WSW Stockett",
   "date": "2026-03-12",
   "county": "Cascade",
   "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 FW1843 Great Falls.",
   "sourceDetail": "NWS TFX — Mesonet via Iowa Mesonet",
   "windSpeedMph": 72,
   "evidenceLevel": "observed"
  },
  {
   "id": "asos-bf-GFA-2026-03-12",
   "lat": 47.5047,
   "lon": -111.1873,
   "zip": "",
   "city": "MALMSTROM AFB",
   "date": "2026-03-12",
   "county": "Cascade",
   "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": "MALMSTROM AFB (GFA) recorded a 59 mph gust.",
   "sourceDetail": "MT_ASOS automated observation — MALMSTROM AFB (GFA) [365d backfill 2026-08]",
   "windSpeedMph": 59,
   "evidenceLevel": "observed"
  },
  {
   "id": "asos-bf-GTF-2026-03-12",
   "lat": 47.4733,
   "lon": -111.3822,
   "zip": "",
   "city": "GREAT FALLS INTL",
   "date": "2026-03-12",
   "county": "Cascade",
   "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": "GREAT FALLS INTL (GTF) recorded a 80 mph gust.",
   "sourceDetail": "MT_ASOS automated observation — GREAT FALLS INTL (GTF) [365d backfill 2026-08]",
   "windSpeedMph": 80,
   "evidenceLevel": "observed"
  },
  {
   "id": "asos-bf-GTF-2026-03-11",
   "lat": 47.4733,
   "lon": -111.3822,
   "zip": "",
   "city": "GREAT FALLS INTL",
   "date": "2026-03-11",
   "county": "Cascade",
   "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": "GREAT FALLS INTL (GTF) recorded a 56 mph gust.",
   "sourceDetail": "MT_ASOS automated observation — GREAT FALLS INTL (GTF) [365d backfill 2026-08]",
   "windSpeedMph": 56,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2026-03-08-wind-47.47--111.38",
   "lat": 47.47,
   "lon": -111.38,
   "zip": "",
   "city": "5 WSW Great Falls",
   "date": "2026-03-08",
   "county": "Cascade",
   "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 KGTF Great Falls Airport.",
   "sourceDetail": "NWS TFX — ASOS via Iowa Mesonet",
   "windSpeedMph": 60,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2026-03-08-wind-47.43--111.02",
   "lat": 47.43,
   "lon": -111.02,
   "zip": "",
   "city": "5 NW Belt",
   "date": "2026-03-08",
   "county": "Cascade",
   "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": "Montana mesonet site Belt NW.",
   "sourceDetail": "NWS TFX — Public via Iowa Mesonet",
   "windSpeedMph": 58,
   "evidenceLevel": "reported"
  },
  {
   "id": "iem-lsr-2026-03-08-wind-47.69--111.47",
   "lat": 47.69,
   "lon": -111.47,
   "zip": "",
   "city": "10 NNE Vaughn",
   "date": "2026-03-08",
   "county": "Cascade",
   "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": "Montana mesonet station Benton Lake W.",
   "sourceDetail": "NWS TFX — Mesonet via Iowa Mesonet",
   "windSpeedMph": 61,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2026-03-08-wind-47.43--111.02",
   "lat": 47.43,
   "lon": -111.02,
   "zip": "",
   "city": "5 NW Belt",
   "date": "2026-03-08",
   "county": "Cascade",
   "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": "Montana mesonet station Belt NW.",
   "sourceDetail": "NWS TFX — Mesonet via Iowa Mesonet",
   "windSpeedMph": 60,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2026-03-08-wind-47.68--110.90",
   "lat": 47.68,
   "lon": -110.9,
   "zip": "",
   "city": "7 ESE Floweree",
   "date": "2026-03-08",
   "county": "Chouteau",
   "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": "Montana mesonet station Highwood Bench.",
   "sourceDetail": "NWS TFX — Mesonet via Iowa Mesonet",
   "windSpeedMph": 60,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2026-03-08-wind-47.46--111.39",
   "lat": 47.46,
   "lon": -111.39,
   "zip": "",
   "city": "5 WSW Great Falls",
   "date": "2026-03-08",
   "county": "Cascade",
   "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": "RSOIS observations at NWS Great Falls.",
   "sourceDetail": "NWS TFX — Official NWS Obs via Iowa Mesonet",
   "windSpeedMph": 59,
   "evidenceLevel": "reported"
  },
  {
   "id": "iem-lsr-2026-03-08-wind-47.47--111.38",
   "lat": 47.47,
   "lon": -111.38,
   "zip": "",
   "city": "5 WSW Great Falls",
   "date": "2026-03-08",
   "county": "Cascade",
   "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 KGTF Great Falls Airport.",
   "sourceDetail": "NWS TFX — ASOS via Iowa Mesonet",
   "windSpeedMph": 67,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2026-03-08-wind-47.79--111.60",
   "lat": 47.79,
   "lon": -111.6,
   "zip": "",
   "city": "6 SE Dutton",
   "date": "2026-03-08",
   "county": "Teton",
   "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 DAHMT Dahlman.",
   "sourceDetail": "NWS TFX — Mesonet via Iowa Mesonet",
   "windSpeedMph": 58,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2026-03-08-wind-47.75--111.55",
   "lat": 47.75,
   "lon": -111.55,
   "zip": "",
   "city": "7 ENE Power",
   "date": "2026-03-08",
   "county": "Teton",
   "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 K1JM 6 ENE Power.",
   "sourceDetail": "NWS TFX — AWOS via Iowa Mesonet",
   "windSpeedMph": 62,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2026-03-08-wind-47.41--111.72",
   "lat": 47.41,
   "lon": -111.72,
   "zip": "",
   "city": "8 SSE Fort  Shaw",
   "date": "2026-03-08",
   "county": "Cascade",
   "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": "Montana mesonet station Sun River SE.",
   "sourceDetail": "NWS TFX — Mesonet via Iowa Mesonet",
   "windSpeedMph": 73,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2026-03-08-wind-47.28--111.62",
   "lat": 47.28,
   "lon": -111.62,
   "zip": "",
   "city": "4 E Cascade",
   "date": "2026-03-08",
   "county": "Cascade",
   "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 MTM76 Cascade E Mda.",
   "sourceDetail": "NWS TFX — Mesonet via Iowa Mesonet",
   "windSpeedMph": 64,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2026-03-08-wind-47.68--110.90",
   "lat": 47.68,
   "lon": -110.9,
   "zip": "",
   "city": "7 ESE Floweree",
   "date": "2026-03-08",
   "county": "Chouteau",
   "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": "Montana mesonet station Highwood Bench.",
   "sourceDetail": "NWS TFX — Mesonet via Iowa Mesonet",
   "windSpeedMph": 71,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2026-03-08-wind-47.69--111.47",
   "lat": 47.69,
   "lon": -111.47,
   "zip": "",
   "city": "10 NNE Vaughn",
   "date": "2026-03-08",
   "county": "Cascade",
   "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": "Montana mesonet station Benton Lake W.",
   "sourceDetail": "NWS TFX — Mesonet via Iowa Mesonet",
   "windSpeedMph": 69,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2026-03-08-wind-47.32--111.33",
   "lat": 47.32,
   "lon": -111.33,
   "zip": "",
   "city": "8 WSW Stockett",
   "date": "2026-03-08",
   "county": "Cascade",
   "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": "Montana mesonet station Eden NW.",
   "sourceDetail": "NWS TFX — Mesonet via Iowa Mesonet",
   "windSpeedMph": 59,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2026-03-08-wind-47.79--111.60",
   "lat": 47.79,
   "lon": -111.6,
   "zip": "",
   "city": "6 SE Dutton",
   "date": "2026-03-08",
   "county": "Teton",
   "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 DAHMT Dahlman.",
   "sourceDetail": "NWS TFX — Mesonet via Iowa Mesonet",
   "windSpeedMph": 63,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2026-03-08-wind-47.47--111.38",
   "lat": 47.47,
   "lon": -111.38,
   "zip": "",
   "city": "5 WSW Great Falls",
   "date": "2026-03-08",
   "county": "Cascade",
   "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 KGTF Great Falls Airport.",
   "sourceDetail": "NWS TFX — ASOS via Iowa Mesonet",
   "windSpeedMph": 71,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2026-03-08-wind-47.47--111.38",
   "lat": 47.47,
   "lon": -111.38,
   "zip": "",
   "city": "5 WSW Great Falls",
   "date": "2026-03-08",
   "county": "Cascade",
   "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 KGTF Great Falls Airport.",
   "sourceDetail": "NWS TFX — ASOS via Iowa Mesonet",
   "windSpeedMph": 72,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2026-03-08-wind-47.50--111.17",
   "lat": 47.5,
   "lon": -111.17,
   "zip": "",
   "city": "1 ESE Malmstrom Afb",
   "date": "2026-03-08",
   "county": "Cascade",
   "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 KGFA Malmstrom AFB.",
   "sourceDetail": "NWS TFX — AWOS via Iowa Mesonet",
   "windSpeedMph": 63,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2026-03-08-wind-47.28--111.62",
   "lat": 47.28,
   "lon": -111.62,
   "zip": "",
   "city": "4 E Cascade",
   "date": "2026-03-08",
   "county": "Cascade",
   "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 MTM76 Cascade E Mda.",
   "sourceDetail": "NWS TFX — Mesonet via Iowa Mesonet",
   "windSpeedMph": 66,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2026-03-08-wind-47.43--111.02",
   "lat": 47.43,
   "lon": -111.02,
   "zip": "",
   "city": "5 NW Belt",
   "date": "2026-03-08",
   "county": "Cascade",
   "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": "Montana mesonet station Belt NW.",
   "sourceDetail": "NWS TFX — Mesonet via Iowa Mesonet",
   "windSpeedMph": 66,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2026-03-08-wind-47.75--111.55",
   "lat": 47.75,
   "lon": -111.55,
   "zip": "",
   "city": "7 ENE Power",
   "date": "2026-03-08",
   "county": "Teton",
   "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 K1JM 6 ENE Power.",
   "sourceDetail": "NWS TFX — AWOS via Iowa Mesonet",
   "windSpeedMph": 68,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2026-03-08-wind-47.30--111.36",
   "lat": 47.3,
   "lon": -111.36,
   "zip": "",
   "city": "10 WSW Stockett",
   "date": "2026-03-08",
   "county": "Cascade",
   "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 FW1843 Great Falls.",
   "sourceDetail": "NWS TFX — Mesonet via Iowa Mesonet",
   "windSpeedMph": 60,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2026-03-08-wind-47.32--111.33",
   "lat": 47.32,
   "lon": -111.33,
   "zip": "",
   "city": "8 WSW Stockett",
   "date": "2026-03-08",
   "county": "Cascade",
   "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": "Montana mesonet station Eden NW.",
   "sourceDetail": "NWS TFX — Mesonet via Iowa Mesonet",
   "windSpeedMph": 71,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2026-03-08-wind-47.30--111.36",
   "lat": 47.3,
   "lon": -111.36,
   "zip": "",
   "city": "10 WSW Stockett",
   "date": "2026-03-08",
   "county": "Cascade",
   "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 FW1843 Great Falls.",
   "sourceDetail": "NWS TFX — Mesonet via Iowa Mesonet",
   "windSpeedMph": 62,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2026-03-08-wind-47.30--111.36",
   "lat": 47.3,
   "lon": -111.36,
   "zip": "",
   "city": "10 WSW Stockett",
   "date": "2026-03-08",
   "county": "Cascade",
   "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 FW1843 Great Falls.",
   "sourceDetail": "NWS TFX — Mesonet via Iowa Mesonet",
   "windSpeedMph": 63,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-geo-2026-03-08-wind-47.41--111.72",
   "lat": 47.41,
   "lon": -111.72,
   "zip": "",
   "city": "8 SSE Fort  Shaw",
   "date": "2026-03-08",
   "county": "Cascade",
   "source": "IEM Local Storm Reports",
   "severity": "moderate",
   "eventType": "wind",
   "confidence": 0.9,
   "damageTypes": [
    "Roof shingle lift",
    "Soffit/fascia damage",
    "Tree strike risk",
    "Fence/screen damage"
   ],
   "description": "Montana mesonet station Sun River SE measured sustained winds averaging 56 mph between 1050AM and the report time.",
   "sourceDetail": "NWS TFX — Mesonet via Iowa Mesonet (GeoJSON)",
   "windSpeedMph": 56,
   "evidenceLevel": "observed"
  },
  {
   "id": "asos-bf-GTF-2026-03-08",
   "lat": 47.4733,
   "lon": -111.3822,
   "zip": "",
   "city": "GREAT FALLS INTL",
   "date": "2026-03-08",
   "county": "Cascade",
   "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": "GREAT FALLS INTL (GTF) recorded a 73 mph gust.",
   "sourceDetail": "MT_ASOS automated observation — GREAT FALLS INTL (GTF) [365d backfill 2026-08]",
   "windSpeedMph": 73,
   "evidenceLevel": "observed"
  },
  {
   "id": "asos-bf-GFA-2026-03-08",
   "lat": 47.5047,
   "lon": -111.1873,
   "zip": "",
   "city": "MALMSTROM AFB",
   "date": "2026-03-08",
   "county": "Cascade",
   "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": "MALMSTROM AFB (GFA) recorded a 63 mph gust.",
   "sourceDetail": "MT_ASOS automated observation — MALMSTROM AFB (GFA) [365d backfill 2026-08]",
   "windSpeedMph": 63,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2026-03-07-wind-47.47--111.38",
   "lat": 47.47,
   "lon": -111.38,
   "zip": "",
   "city": "5 WSW Great Falls",
   "date": "2026-03-07",
   "county": "Cascade",
   "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 KGTF Great Falls Airport.",
   "sourceDetail": "NWS TFX — ASOS via Iowa Mesonet",
   "windSpeedMph": 53,
   "evidenceLevel": "observed"
  },
  {
   "id": "asos-bf-GFA-2026-03-07",
   "lat": 47.5047,
   "lon": -111.1873,
   "zip": "",
   "city": "MALMSTROM AFB",
   "date": "2026-03-07",
   "county": "Cascade",
   "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": "MALMSTROM AFB (GFA) recorded a 50 mph gust.",
   "sourceDetail": "MT_ASOS automated observation — MALMSTROM AFB (GFA) [365d backfill 2026-08]",
   "windSpeedMph": 50,
   "evidenceLevel": "observed"
  },
  {
   "id": "asos-bf-GTF-2026-03-07",
   "lat": 47.4733,
   "lon": -111.3822,
   "zip": "",
   "city": "GREAT FALLS INTL",
   "date": "2026-03-07",
   "county": "Cascade",
   "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": "GREAT FALLS INTL (GTF) recorded a 54 mph gust.",
   "sourceDetail": "MT_ASOS automated observation — GREAT FALLS INTL (GTF) [365d backfill 2026-08]",
   "windSpeedMph": 54,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2026-02-26-wind-47.47--111.38",
   "lat": 47.47,
   "lon": -111.38,
   "zip": "",
   "city": "5 WSW Great Falls",
   "date": "2026-02-26",
   "county": "Cascade",
   "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 KGTF Great Falls Airport.",
   "sourceDetail": "NWS TFX — ASOS via Iowa Mesonet",
   "windSpeedMph": 63,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2026-02-26-wind-47.28--111.62",
   "lat": 47.28,
   "lon": -111.62,
   "zip": "",
   "city": "4 E Cascade",
   "date": "2026-02-26",
   "county": "Cascade",
   "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 MTM76 Cascade E Mda.",
   "sourceDetail": "NWS TFX — Mesonet via Iowa Mesonet",
   "windSpeedMph": 64,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2026-02-26-wind-47.50--111.17",
   "lat": 47.5,
   "lon": -111.17,
   "zip": "",
   "city": "1 ESE Malmstrom Afb",
   "date": "2026-02-26",
   "county": "Cascade",
   "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 KGFA Malmstrom AFB.",
   "sourceDetail": "NWS TFX — AWOS via Iowa Mesonet",
   "windSpeedMph": 58,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2026-02-26-wind-47.43--111.02",
   "lat": 47.43,
   "lon": -111.02,
   "zip": "",
   "city": "5 NW Belt",
   "date": "2026-02-26",
   "county": "Cascade",
   "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": "Montana mesonet site Belt NW.",
   "sourceDetail": "NWS TFX — Public via Iowa Mesonet",
   "windSpeedMph": 58,
   "evidenceLevel": "reported"
  },
  {
   "id": "iem-lsr-2026-02-26-wind-47.43--111.02",
   "lat": 47.43,
   "lon": -111.02,
   "zip": "",
   "city": "5 NW Belt",
   "date": "2026-02-26",
   "county": "Cascade",
   "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": "Montana mesonet site Belt NW.",
   "sourceDetail": "NWS TFX — Public via Iowa Mesonet",
   "windSpeedMph": 60,
   "evidenceLevel": "reported"
  },
  {
   "id": "iem-lsr-2026-02-26-wind-47.43--111.02",
   "lat": 47.43,
   "lon": -111.02,
   "zip": "",
   "city": "5 NW Belt",
   "date": "2026-02-26",
   "county": "Cascade",
   "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": "Montana mesonet site Belt NW.",
   "sourceDetail": "NWS TFX — Public via Iowa Mesonet",
   "windSpeedMph": 66,
   "evidenceLevel": "reported"
  },
  {
   "id": "iem-lsr-2026-02-26-wind-47.47--111.38",
   "lat": 47.47,
   "lon": -111.38,
   "zip": "",
   "city": "5 WSW Great Falls",
   "date": "2026-02-26",
   "county": "Cascade",
   "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 KGTF Great Falls Airport.",
   "sourceDetail": "NWS TFX — ASOS via Iowa Mesonet",
   "windSpeedMph": 59,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2026-02-26-wind-47.46--111.39",
   "lat": 47.46,
   "lon": -111.39,
   "zip": "",
   "city": "5 WSW Great Falls",
   "date": "2026-02-26",
   "county": "Cascade",
   "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": "RSOIS observation at NWS Great Falls.",
   "sourceDetail": "NWS TFX — Official NWS Obs via Iowa Mesonet",
   "windSpeedMph": 67,
   "evidenceLevel": "reported"
  },
  {
   "id": "asos-bf-GFA-2026-02-26",
   "lat": 47.5047,
   "lon": -111.1873,
   "zip": "",
   "city": "MALMSTROM AFB",
   "date": "2026-02-26",
   "county": "Cascade",
   "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": "MALMSTROM AFB (GFA) recorded a 58 mph gust.",
   "sourceDetail": "MT_ASOS automated observation — MALMSTROM AFB (GFA) [365d backfill 2026-08]",
   "windSpeedMph": 58,
   "evidenceLevel": "observed"
  },
  {
   "id": "asos-bf-GTF-2026-02-26",
   "lat": 47.4733,
   "lon": -111.3822,
   "zip": "",
   "city": "GREAT FALLS INTL",
   "date": "2026-02-26",
   "county": "Cascade",
   "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": "GREAT FALLS INTL (GTF) recorded a 63 mph gust.",
   "sourceDetail": "MT_ASOS automated observation — GREAT FALLS INTL (GTF) [365d backfill 2026-08]",
   "windSpeedMph": 63,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2026-02-25-wind-47.28--111.62",
   "lat": 47.28,
   "lon": -111.62,
   "zip": "",
   "city": "4 E Cascade",
   "date": "2026-02-25",
   "county": "Cascade",
   "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": "65 mph wind gust at Cascade MDA Montana Mesonet site.",
   "sourceDetail": "NWS TFX — Mesonet via Iowa Mesonet",
   "windSpeedMph": 65,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2026-02-25-wind-47.47--111.38",
   "lat": 47.47,
   "lon": -111.38,
   "zip": "",
   "city": "5 WSW Great Falls",
   "date": "2026-02-25",
   "county": "Cascade",
   "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 KGTF Great Falls Airport.",
   "sourceDetail": "NWS TFX — ASOS via Iowa Mesonet",
   "windSpeedMph": 54,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2026-02-25-wind-47.28--111.62",
   "lat": 47.28,
   "lon": -111.62,
   "zip": "",
   "city": "4 E Cascade",
   "date": "2026-02-25",
   "county": "Cascade",
   "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 MTM76 Cascade E Mda.",
   "sourceDetail": "NWS TFX — Mesonet via Iowa Mesonet",
   "windSpeedMph": 57,
   "evidenceLevel": "observed"
  },
  {
   "id": "asos-bf-GTF-2026-02-25",
   "lat": 47.4733,
   "lon": -111.3822,
   "zip": "",
   "city": "GREAT FALLS INTL",
   "date": "2026-02-25",
   "county": "Cascade",
   "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": "GREAT FALLS INTL (GTF) recorded a 56 mph gust.",
   "sourceDetail": "MT_ASOS automated observation — GREAT FALLS INTL (GTF) [365d backfill 2026-08]",
   "windSpeedMph": 56,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2026-01-30-wind-47.47--111.38",
   "lat": 47.47,
   "lon": -111.38,
   "zip": "",
   "city": "5 WSW Great Falls",
   "date": "2026-01-30",
   "county": "Cascade",
   "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 KGTF Great Falls Airport.",
   "sourceDetail": "NWS TFX — ASOS via Iowa Mesonet",
   "windSpeedMph": 60,
   "evidenceLevel": "observed"
  },
  {
   "id": "asos-bf-GTF-2026-01-30",
   "lat": 47.4733,
   "lon": -111.3822,
   "zip": "",
   "city": "GREAT FALLS INTL",
   "date": "2026-01-30",
   "county": "Cascade",
   "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": "GREAT FALLS INTL (GTF) recorded a 60 mph gust.",
   "sourceDetail": "MT_ASOS automated observation — GREAT FALLS INTL (GTF) [365d backfill 2026-08]",
   "windSpeedMph": 60,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2026-01-12-wind-47.28--111.62",
   "lat": 47.28,
   "lon": -111.62,
   "zip": "",
   "city": "4 E Cascade",
   "date": "2026-01-12",
   "county": "Cascade",
   "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 MTM76 Cascade E Mda.",
   "sourceDetail": "NWS TFX — Mesonet via Iowa Mesonet",
   "windSpeedMph": 64,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2026-01-12-wind-47.46--111.39",
   "lat": 47.46,
   "lon": -111.39,
   "zip": "",
   "city": "5 WSW Great Falls",
   "date": "2026-01-12",
   "county": "Cascade",
   "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": "NWS Observation.",
   "sourceDetail": "NWS TFX — Official NWS Obs via Iowa Mesonet",
   "windSpeedMph": 61,
   "evidenceLevel": "reported"
  },
  {
   "id": "iem-lsr-2026-01-12-wind-47.47--111.38",
   "lat": 47.47,
   "lon": -111.38,
   "zip": "",
   "city": "5 WSW Great Falls",
   "date": "2026-01-12",
   "county": "Cascade",
   "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 KGTF Great Falls Airport.",
   "sourceDetail": "NWS TFX — ASOS via Iowa Mesonet",
   "windSpeedMph": 64,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2026-01-12-wind-47.43--111.02",
   "lat": 47.43,
   "lon": -111.02,
   "zip": "",
   "city": "5 NW Belt",
   "date": "2026-01-12",
   "county": "Cascade",
   "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": "58 mph wind gust at Belt NW Montana Mesonet site.",
   "sourceDetail": "NWS TFX — Public via Iowa Mesonet",
   "windSpeedMph": 58,
   "evidenceLevel": "reported"
  },
  {
   "id": "asos-bf-GFA-2026-01-12",
   "lat": 47.5047,
   "lon": -111.1873,
   "zip": "",
   "city": "MALMSTROM AFB",
   "date": "2026-01-12",
   "county": "Cascade",
   "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": "MALMSTROM AFB (GFA) recorded a 54 mph gust.",
   "sourceDetail": "MT_ASOS automated observation — MALMSTROM AFB (GFA) [365d backfill 2026-08]",
   "windSpeedMph": 54,
   "evidenceLevel": "observed"
  },
  {
   "id": "asos-bf-GTF-2026-01-12",
   "lat": 47.4733,
   "lon": -111.3822,
   "zip": "",
   "city": "GREAT FALLS INTL",
   "date": "2026-01-12",
   "county": "Cascade",
   "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": "GREAT FALLS INTL (GTF) recorded a 65 mph gust.",
   "sourceDetail": "MT_ASOS automated observation — GREAT FALLS INTL (GTF) [365d backfill 2026-08]",
   "windSpeedMph": 65,
   "evidenceLevel": "observed"
  },
  {
   "id": "asos-bf-GTF-2026-01-11",
   "lat": 47.4733,
   "lon": -111.3822,
   "zip": "",
   "city": "GREAT FALLS INTL",
   "date": "2026-01-11",
   "county": "Cascade",
   "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": "GREAT FALLS INTL (GTF) recorded a 50 mph gust.",
   "sourceDetail": "MT_ASOS automated observation — GREAT FALLS INTL (GTF) [365d backfill 2026-08]",
   "windSpeedMph": 50,
   "evidenceLevel": "observed"
  },
  {
   "id": "asos-bf-GTF-2026-01-07",
   "lat": 47.4733,
   "lon": -111.3822,
   "zip": "",
   "city": "GREAT FALLS INTL",
   "date": "2026-01-07",
   "county": "Cascade",
   "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": "GREAT FALLS INTL (GTF) recorded a 53 mph gust.",
   "sourceDetail": "MT_ASOS automated observation — GREAT FALLS INTL (GTF) [365d backfill 2026-08]",
   "windSpeedMph": 53,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2026-01-06-wind-47.28--111.62",
   "lat": 47.28,
   "lon": -111.62,
   "zip": "",
   "city": "4 E Cascade",
   "date": "2026-01-06",
   "county": "Cascade",
   "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 MTM76 Cascade E Mda.",
   "sourceDetail": "NWS TFX — Mesonet via Iowa Mesonet",
   "windSpeedMph": 56,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2026-01-06-wind-47.28--111.62",
   "lat": 47.28,
   "lon": -111.62,
   "zip": "",
   "city": "4 E Cascade",
   "date": "2026-01-06",
   "county": "Cascade",
   "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 MTM76 Cascade E Mda.",
   "sourceDetail": "NWS TFX — Mesonet via Iowa Mesonet",
   "windSpeedMph": 62,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2026-01-06-wind-47.30--111.36",
   "lat": 47.3,
   "lon": -111.36,
   "zip": "",
   "city": "10 WSW Stockett",
   "date": "2026-01-06",
   "county": "Cascade",
   "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 FW1843 Great Falls.",
   "sourceDetail": "NWS TFX — Mesonet via Iowa Mesonet",
   "windSpeedMph": 58,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2026-01-06-wind-47.32--111.33",
   "lat": 47.32,
   "lon": -111.33,
   "zip": "",
   "city": "8 WSW Stockett",
   "date": "2026-01-06",
   "county": "Cascade",
   "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": "MT Mesonet Eden NW.",
   "sourceDetail": "NWS TFX — Public via Iowa Mesonet",
   "windSpeedMph": 65,
   "evidenceLevel": "reported"
  },
  {
   "id": "iem-lsr-2026-01-06-wind-47.47--111.38",
   "lat": 47.47,
   "lon": -111.38,
   "zip": "",
   "city": "5 WSW Great Falls",
   "date": "2026-01-06",
   "county": "Cascade",
   "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 KGTF Great Falls Airport.",
   "sourceDetail": "NWS TFX — ASOS via Iowa Mesonet",
   "windSpeedMph": 58,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2026-01-06-wind-47.43--111.02",
   "lat": 47.43,
   "lon": -111.02,
   "zip": "",
   "city": "5 NW Belt",
   "date": "2026-01-06",
   "county": "Cascade",
   "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": "MT mesonet Belt NW.",
   "sourceDetail": "NWS TFX — Mesonet via Iowa Mesonet",
   "windSpeedMph": 58,
   "evidenceLevel": "observed"
  },
  {
   "id": "asos-bf-GFA-2026-01-06",
   "lat": 47.5047,
   "lon": -111.1873,
   "zip": "",
   "city": "MALMSTROM AFB",
   "date": "2026-01-06",
   "county": "Cascade",
   "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": "MALMSTROM AFB (GFA) recorded a 56 mph gust.",
   "sourceDetail": "MT_ASOS automated observation — MALMSTROM AFB (GFA) [365d backfill 2026-08]",
   "windSpeedMph": 56,
   "evidenceLevel": "observed"
  },
  {
   "id": "asos-bf-GTF-2026-01-06",
   "lat": 47.4733,
   "lon": -111.3822,
   "zip": "",
   "city": "GREAT FALLS INTL",
   "date": "2026-01-06",
   "county": "Cascade",
   "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": "GREAT FALLS INTL (GTF) recorded a 57 mph gust.",
   "sourceDetail": "MT_ASOS automated observation — GREAT FALLS INTL (GTF) [365d backfill 2026-08]",
   "windSpeedMph": 57,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2025-12-27-wind-47.69--111.47",
   "lat": 47.69,
   "lon": -111.47,
   "zip": "",
   "city": "10 NNE Vaughn",
   "date": "2025-12-27",
   "county": "Cascade",
   "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": "Montana mesonet site Benton Lake W.",
   "sourceDetail": "NWS TFX — Mesonet via Iowa Mesonet",
   "windSpeedMph": 60,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2025-12-26-wind-47.46--111.39",
   "lat": 47.46,
   "lon": -111.39,
   "zip": "",
   "city": "5 WSW Great Falls",
   "date": "2025-12-26",
   "county": "Cascade",
   "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": "62 mph convective wind gust at the NWS Office in Great Falls.",
   "sourceDetail": "NWS TFX — Official NWS Obs via Iowa Mesonet",
   "windSpeedMph": 62,
   "evidenceLevel": "reported"
  },
  {
   "id": "iem-lsr-2025-12-26-wind-47.47--111.38",
   "lat": 47.47,
   "lon": -111.38,
   "zip": "",
   "city": "5 WSW Great Falls",
   "date": "2025-12-26",
   "county": "Cascade",
   "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 KGTF Great Falls Airport. Convective wind gust. Lightning developed south of town after the wind went through.",
   "sourceDetail": "NWS TFX — ASOS via Iowa Mesonet",
   "windSpeedMph": 66,
   "evidenceLevel": "observed"
  },
  {
   "id": "asos-bf-GTF-2025-12-26",
   "lat": 47.4733,
   "lon": -111.3822,
   "zip": "",
   "city": "GREAT FALLS INTL",
   "date": "2025-12-26",
   "county": "Cascade",
   "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": "GREAT FALLS INTL (GTF) recorded a 65 mph gust.",
   "sourceDetail": "MT_ASOS automated observation — GREAT FALLS INTL (GTF) [365d backfill 2026-08]",
   "windSpeedMph": 65,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2025-12-19-wind-47.32--111.47",
   "lat": 47.32,
   "lon": -111.47,
   "zip": "",
   "city": "8 SSE Ulm",
   "date": "2025-12-19",
   "county": "Cascade",
   "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 K1IM India.",
   "sourceDetail": "NWS TFX — AWOS via Iowa Mesonet",
   "windSpeedMph": 59,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2025-12-19-wind-47.47--111.38",
   "lat": 47.47,
   "lon": -111.38,
   "zip": "",
   "city": "5 WSW Great Falls",
   "date": "2025-12-19",
   "county": "Cascade",
   "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 KGTF Great Falls Airport.",
   "sourceDetail": "NWS TFX — ASOS via Iowa Mesonet",
   "windSpeedMph": 61,
   "evidenceLevel": "observed"
  },
  {
   "id": "asos-bf-GFA-2025-12-19",
   "lat": 47.5047,
   "lon": -111.1873,
   "zip": "",
   "city": "MALMSTROM AFB",
   "date": "2025-12-19",
   "county": "Cascade",
   "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": "MALMSTROM AFB (GFA) recorded a 53 mph gust.",
   "sourceDetail": "MT_ASOS automated observation — MALMSTROM AFB (GFA) [365d backfill 2026-08]",
   "windSpeedMph": 53,
   "evidenceLevel": "observed"
  },
  {
   "id": "asos-bf-GTF-2025-12-19",
   "lat": 47.4733,
   "lon": -111.3822,
   "zip": "",
   "city": "GREAT FALLS INTL",
   "date": "2025-12-19",
   "county": "Cascade",
   "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": "GREAT FALLS INTL (GTF) recorded a 61 mph gust.",
   "sourceDetail": "MT_ASOS automated observation — GREAT FALLS INTL (GTF) [365d backfill 2026-08]",
   "windSpeedMph": 61,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2025-12-18-wind-47.28--111.62",
   "lat": 47.28,
   "lon": -111.62,
   "zip": "",
   "city": "4 E Cascade",
   "date": "2025-12-18",
   "county": "Cascade",
   "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 MTM76 Cascade E Mda.",
   "sourceDetail": "NWS TFX — Mesonet via Iowa Mesonet",
   "windSpeedMph": 63,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2025-12-18-wind-47.28--111.62",
   "lat": 47.28,
   "lon": -111.62,
   "zip": "",
   "city": "4 E Cascade",
   "date": "2025-12-18",
   "county": "Cascade",
   "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 MTM76 Cascade E Mda.",
   "sourceDetail": "NWS TFX — Mesonet via Iowa Mesonet",
   "windSpeedMph": 62,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2025-12-18-wind-47.43--111.02",
   "lat": 47.43,
   "lon": -111.02,
   "zip": "",
   "city": "5 NW Belt",
   "date": "2025-12-18",
   "county": "Cascade",
   "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": "Belt NW (Montana Mesonet) reported a 58 mph wind gust.",
   "sourceDetail": "NWS TFX — Public via Iowa Mesonet",
   "windSpeedMph": 58,
   "evidenceLevel": "reported"
  },
  {
   "id": "iem-lsr-2025-12-18-wind-47.32--111.33",
   "lat": 47.32,
   "lon": -111.33,
   "zip": "",
   "city": "8 WSW Stockett",
   "date": "2025-12-18",
   "county": "Cascade",
   "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": "Eden NW (Montana Mesonet) reported a 58 mph wind gust.",
   "sourceDetail": "NWS TFX — Public via Iowa Mesonet",
   "windSpeedMph": 58,
   "evidenceLevel": "reported"
  },
  {
   "id": "iem-lsr-2025-12-18-wind-47.47--111.38",
   "lat": 47.47,
   "lon": -111.38,
   "zip": "",
   "city": "5 WSW Great Falls",
   "date": "2025-12-18",
   "county": "Cascade",
   "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 KGTF Great Falls Airport.",
   "sourceDetail": "NWS TFX — ASOS via Iowa Mesonet",
   "windSpeedMph": 56,
   "evidenceLevel": "observed"
  },
  {
   "id": "asos-bf-GTF-2025-12-18",
   "lat": 47.4733,
   "lon": -111.3822,
   "zip": "",
   "city": "GREAT FALLS INTL",
   "date": "2025-12-18",
   "county": "Cascade",
   "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": "GREAT FALLS INTL (GTF) recorded a 56 mph gust.",
   "sourceDetail": "MT_ASOS automated observation — GREAT FALLS INTL (GTF) [365d backfill 2026-08]",
   "windSpeedMph": 56,
   "evidenceLevel": "observed"
  },
  {
   "id": "asos-bf-GFA-2025-12-18",
   "lat": 47.5047,
   "lon": -111.1873,
   "zip": "",
   "city": "MALMSTROM AFB",
   "date": "2025-12-18",
   "county": "Cascade",
   "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": "MALMSTROM AFB (GFA) recorded a 50 mph gust.",
   "sourceDetail": "MT_ASOS automated observation — MALMSTROM AFB (GFA) [365d backfill 2026-08]",
   "windSpeedMph": 50,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2025-12-17-wind-47.66--111.71",
   "lat": 47.66,
   "lon": -111.71,
   "zip": "",
   "city": "4 SSW Power",
   "date": "2025-12-17",
   "county": "Teton",
   "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 MTM54 4.4 SW Power (MT-MESO).",
   "sourceDetail": "NWS TFX — Mesonet via Iowa Mesonet",
   "windSpeedMph": 60,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2025-12-17-wind-47.53--111.50",
   "lat": 47.53,
   "lon": -111.5,
   "zip": "",
   "city": "1 WSW Sun Prairie",
   "date": "2025-12-17",
   "county": "Cascade",
   "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 FW5493 Vaughn.",
   "sourceDetail": "NWS TFX — Mesonet via Iowa Mesonet",
   "windSpeedMph": 58,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2025-12-17-wind-47.32--111.47",
   "lat": 47.32,
   "lon": -111.47,
   "zip": "",
   "city": "8 SSE Ulm",
   "date": "2025-12-17",
   "county": "Cascade",
   "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 K1IM India.",
   "sourceDetail": "NWS TFX — AWOS via Iowa Mesonet",
   "windSpeedMph": 62,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2025-12-17-wind-47.30--111.36",
   "lat": 47.3,
   "lon": -111.36,
   "zip": "",
   "city": "10 WSW Stockett",
   "date": "2025-12-17",
   "county": "Cascade",
   "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 FW1843 Great Falls.",
   "sourceDetail": "NWS TFX — Mesonet via Iowa Mesonet",
   "windSpeedMph": 64,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2025-12-17-wind-47.32--111.47",
   "lat": 47.32,
   "lon": -111.47,
   "zip": "",
   "city": "8 SSE Ulm",
   "date": "2025-12-17",
   "county": "Cascade",
   "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 K1IM India.",
   "sourceDetail": "NWS TFX — AWOS via Iowa Mesonet",
   "windSpeedMph": 68,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2025-12-17-wind-47.30--111.36",
   "lat": 47.3,
   "lon": -111.36,
   "zip": "",
   "city": "10 WSW Stockett",
   "date": "2025-12-17",
   "county": "Cascade",
   "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 FW1843 Great Falls.",
   "sourceDetail": "NWS TFX — Mesonet via Iowa Mesonet",
   "windSpeedMph": 67,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2025-12-17-wind-47.54--111.33",
   "lat": 47.54,
   "lon": -111.33,
   "zip": "",
   "city": "3 WNW Black Eagle",
   "date": "2025-12-17",
   "county": "Cascade",
   "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": "Ambient weather station.",
   "sourceDetail": "NWS TFX — Public via Iowa Mesonet",
   "windSpeedMph": 72,
   "evidenceLevel": "reported"
  },
  {
   "id": "iem-lsr-2025-12-17-wind-47.47--111.38",
   "lat": 47.47,
   "lon": -111.38,
   "zip": "",
   "city": "5 WSW Great Falls",
   "date": "2025-12-17",
   "county": "Cascade",
   "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 KGTF Great Falls Airport.",
   "sourceDetail": "NWS TFX — ASOS via Iowa Mesonet",
   "windSpeedMph": 62,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2025-12-17-wind-47.47--111.38",
   "lat": 47.47,
   "lon": -111.38,
   "zip": "",
   "city": "5 WSW Great Falls",
   "date": "2025-12-17",
   "county": "Cascade",
   "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 KGTF Great Falls Airport.",
   "sourceDetail": "NWS TFX — ASOS via Iowa Mesonet",
   "windSpeedMph": 63,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2025-12-17-wind-47.75--111.55",
   "lat": 47.75,
   "lon": -111.55,
   "zip": "",
   "city": "7 ENE Power",
   "date": "2025-12-17",
   "county": "Teton",
   "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 K1JM 6 ENE Power.",
   "sourceDetail": "NWS TFX — AWOS via Iowa Mesonet",
   "windSpeedMph": 60,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2025-12-17-wind-47.79--111.60",
   "lat": 47.79,
   "lon": -111.6,
   "zip": "",
   "city": "6 SE Dutton",
   "date": "2025-12-17",
   "county": "Teton",
   "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 DAHMT Dahlman.",
   "sourceDetail": "NWS TFX — Mesonet via Iowa Mesonet",
   "windSpeedMph": 58,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2025-12-17-wind-47.68--110.90",
   "lat": 47.68,
   "lon": -110.9,
   "zip": "",
   "city": "7 ESE Floweree",
   "date": "2025-12-17",
   "county": "Chouteau",
   "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": "Montana Mesonet site Highwood Bench.",
   "sourceDetail": "NWS TFX — Mesonet via Iowa Mesonet",
   "windSpeedMph": 71,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2025-12-17-wind-47.75--111.55",
   "lat": 47.75,
   "lon": -111.55,
   "zip": "",
   "city": "7 ENE Power",
   "date": "2025-12-17",
   "county": "Teton",
   "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 K1JM 6 ENE Power.",
   "sourceDetail": "NWS TFX — AWOS via Iowa Mesonet",
   "windSpeedMph": 69,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2025-12-17-wind-47.79--111.60",
   "lat": 47.79,
   "lon": -111.6,
   "zip": "",
   "city": "6 SE Dutton",
   "date": "2025-12-17",
   "county": "Teton",
   "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 DAHMT Dahlman.",
   "sourceDetail": "NWS TFX — Mesonet via Iowa Mesonet",
   "windSpeedMph": 61,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2025-12-17-wind-47.32--111.33",
   "lat": 47.32,
   "lon": -111.33,
   "zip": "",
   "city": "8 WSW Stockett",
   "date": "2025-12-17",
   "county": "Cascade",
   "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": "Montana Mesonet site Eden NW.",
   "sourceDetail": "NWS TFX — Public via Iowa Mesonet",
   "windSpeedMph": 75,
   "evidenceLevel": "reported"
  },
  {
   "id": "iem-lsr-2025-12-17-wind-47.41--111.72",
   "lat": 47.41,
   "lon": -111.72,
   "zip": "",
   "city": "8 SSE Fort  Shaw",
   "date": "2025-12-17",
   "county": "Cascade",
   "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": "Montana Mesonet site Sun River SE.",
   "sourceDetail": "NWS TFX — Mesonet via Iowa Mesonet",
   "windSpeedMph": 69,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2025-12-17-wind-47.30--111.36",
   "lat": 47.3,
   "lon": -111.36,
   "zip": "",
   "city": "10 WSW Stockett",
   "date": "2025-12-17",
   "county": "Cascade",
   "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 FW1843 Great Falls.",
   "sourceDetail": "NWS TFX — Mesonet via Iowa Mesonet",
   "windSpeedMph": 68,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2025-12-17-wind-47.43--111.02",
   "lat": 47.43,
   "lon": -111.02,
   "zip": "",
   "city": "5 NW Belt",
   "date": "2025-12-17",
   "county": "Cascade",
   "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": "Montana Mesonet site Belt NW.",
   "sourceDetail": "NWS TFX — Mesonet via Iowa Mesonet",
   "windSpeedMph": 71,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2025-12-17-wind-47.69--111.47",
   "lat": 47.69,
   "lon": -111.47,
   "zip": "",
   "city": "10 NNE Vaughn",
   "date": "2025-12-17",
   "county": "Cascade",
   "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": "Montana Mesonet site Benton Lake W.",
   "sourceDetail": "NWS TFX — Mesonet via Iowa Mesonet",
   "windSpeedMph": 63,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2025-12-17-wind-47.47--111.38",
   "lat": 47.47,
   "lon": -111.38,
   "zip": "",
   "city": "5 WSW Great Falls",
   "date": "2025-12-17",
   "county": "Cascade",
   "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 KGTF Great Falls Airport.",
   "sourceDetail": "NWS TFX — ASOS via Iowa Mesonet",
   "windSpeedMph": 70,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2025-12-17-wind-47.50--111.17",
   "lat": 47.5,
   "lon": -111.17,
   "zip": "",
   "city": "1 ESE Malmstrom Afb",
   "date": "2025-12-17",
   "county": "Cascade",
   "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 KGFA Malmstrom AFB.",
   "sourceDetail": "NWS TFX — AWOS via Iowa Mesonet",
   "windSpeedMph": 58,
   "evidenceLevel": "observed"
  },
  {
   "id": "asos-bf-GTF-2025-12-17",
   "lat": 47.4733,
   "lon": -111.3822,
   "zip": "",
   "city": "GREAT FALLS INTL",
   "date": "2025-12-17",
   "county": "Cascade",
   "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": "GREAT FALLS INTL (GTF) recorded a 71 mph gust.",
   "sourceDetail": "MT_ASOS automated observation — GREAT FALLS INTL (GTF) [365d backfill 2026-08]",
   "windSpeedMph": 71,
   "evidenceLevel": "observed"
  },
  {
   "id": "asos-bf-GFA-2025-12-17",
   "lat": 47.5047,
   "lon": -111.1873,
   "zip": "",
   "city": "MALMSTROM AFB",
   "date": "2025-12-17",
   "county": "Cascade",
   "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": "MALMSTROM AFB (GFA) recorded a 58 mph gust.",
   "sourceDetail": "MT_ASOS automated observation — MALMSTROM AFB (GFA) [365d backfill 2026-08]",
   "windSpeedMph": 58,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2025-12-16-wind-47.47--111.38",
   "lat": 47.47,
   "lon": -111.38,
   "zip": "",
   "city": "5 WSW Great Falls",
   "date": "2025-12-16",
   "county": "Cascade",
   "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 KGTF Great Falls Airport.",
   "sourceDetail": "NWS TFX — ASOS via Iowa Mesonet",
   "windSpeedMph": 58,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2025-12-16-wind-47.68--110.90",
   "lat": 47.68,
   "lon": -110.9,
   "zip": "",
   "city": "7 ESE Floweree",
   "date": "2025-12-16",
   "county": "Chouteau",
   "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": "Highwood Bench (Montana Mesonet) reported a 61 mph Wind Gust.",
   "sourceDetail": "NWS TFX — Mesonet via Iowa Mesonet",
   "windSpeedMph": 61,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2025-12-16-wind-47.41--111.72",
   "lat": 47.41,
   "lon": -111.72,
   "zip": "",
   "city": "8 SSE Fort  Shaw",
   "date": "2025-12-16",
   "county": "Cascade",
   "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": "Sun River SE (Montana Mesonet) measure a wind gust of 64 mph.",
   "sourceDetail": "NWS TFX — Mesonet via Iowa Mesonet",
   "windSpeedMph": 64,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2025-12-16-wind-47.47--111.38",
   "lat": 47.47,
   "lon": -111.38,
   "zip": "",
   "city": "5 WSW Great Falls",
   "date": "2025-12-16",
   "county": "Cascade",
   "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 KGTF Great Falls Airport.",
   "sourceDetail": "NWS TFX — ASOS via Iowa Mesonet",
   "windSpeedMph": 59,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2025-12-16-wind-47.28--111.62",
   "lat": 47.28,
   "lon": -111.62,
   "zip": "",
   "city": "4 E Cascade",
   "date": "2025-12-16",
   "county": "Cascade",
   "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 MTM76 Cascade E Mda.",
   "sourceDetail": "NWS TFX — Mesonet via Iowa Mesonet",
   "windSpeedMph": 59,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2025-12-16-wind-47.47--111.38",
   "lat": 47.47,
   "lon": -111.38,
   "zip": "",
   "city": "5 WSW Great Falls",
   "date": "2025-12-16",
   "county": "Cascade",
   "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 KGTF Great Falls Airport.",
   "sourceDetail": "NWS TFX — ASOS via Iowa Mesonet",
   "windSpeedMph": 62,
   "evidenceLevel": "observed"
  },
  {
   "id": "asos-bf-GFA-2025-12-16",
   "lat": 47.5047,
   "lon": -111.1873,
   "zip": "",
   "city": "MALMSTROM AFB",
   "date": "2025-12-16",
   "county": "Cascade",
   "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": "MALMSTROM AFB (GFA) recorded a 52 mph gust.",
   "sourceDetail": "MT_ASOS automated observation — MALMSTROM AFB (GFA) [365d backfill 2026-08]",
   "windSpeedMph": 52,
   "evidenceLevel": "observed"
  },
  {
   "id": "asos-bf-GTF-2025-12-16",
   "lat": 47.4733,
   "lon": -111.3822,
   "zip": "",
   "city": "GREAT FALLS INTL",
   "date": "2025-12-16",
   "county": "Cascade",
   "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": "GREAT FALLS INTL (GTF) recorded a 62 mph gust.",
   "sourceDetail": "MT_ASOS automated observation — GREAT FALLS INTL (GTF) [365d backfill 2026-08]",
   "windSpeedMph": 62,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2025-12-15-wind-47.53--111.50",
   "lat": 47.53,
   "lon": -111.5,
   "zip": "",
   "city": "1 WSW Sun Prairie",
   "date": "2025-12-15",
   "county": "Cascade",
   "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 FW5493 Vaughn.",
   "sourceDetail": "NWS TFX — Mesonet via Iowa Mesonet",
   "windSpeedMph": 55,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2025-12-15-wind-47.32--111.33",
   "lat": 47.32,
   "lon": -111.33,
   "zip": "",
   "city": "8 WSW Stockett",
   "date": "2025-12-15",
   "county": "Cascade",
   "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": "Montana Mesonet site Eden NW.",
   "sourceDetail": "NWS TFX — Public via Iowa Mesonet",
   "windSpeedMph": 58,
   "evidenceLevel": "reported"
  },
  {
   "id": "iem-lsr-2025-12-15-wind-47.28--111.62",
   "lat": 47.28,
   "lon": -111.62,
   "zip": "",
   "city": "4 E Cascade",
   "date": "2025-12-15",
   "county": "Cascade",
   "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 MTM76 Cascade E Mda.",
   "sourceDetail": "NWS TFX — Mesonet via Iowa Mesonet",
   "windSpeedMph": 58,
   "evidenceLevel": "observed"
  },
  {
   "id": "asos-bf-GFA-2025-12-15",
   "lat": 47.5047,
   "lon": -111.1873,
   "zip": "",
   "city": "MALMSTROM AFB",
   "date": "2025-12-15",
   "county": "Cascade",
   "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": "MALMSTROM AFB (GFA) recorded a 52 mph gust.",
   "sourceDetail": "MT_ASOS automated observation — MALMSTROM AFB (GFA) [365d backfill 2026-08]",
   "windSpeedMph": 52,
   "evidenceLevel": "observed"
  },
  {
   "id": "asos-bf-GTF-2025-12-15",
   "lat": 47.4733,
   "lon": -111.3822,
   "zip": "",
   "city": "GREAT FALLS INTL",
   "date": "2025-12-15",
   "county": "Cascade",
   "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": "GREAT FALLS INTL (GTF) recorded a 54 mph gust.",
   "sourceDetail": "MT_ASOS automated observation — GREAT FALLS INTL (GTF) [365d backfill 2026-08]",
   "windSpeedMph": 54,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2025-12-11-wind-47.47--111.38",
   "lat": 47.47,
   "lon": -111.38,
   "zip": "",
   "city": "5 WSW Great Falls",
   "date": "2025-12-11",
   "county": "Cascade",
   "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 KGTF Great Falls Airport.",
   "sourceDetail": "NWS TFX — ASOS via Iowa Mesonet",
   "windSpeedMph": 55,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2025-12-11-wind-47.28--111.62",
   "lat": 47.28,
   "lon": -111.62,
   "zip": "",
   "city": "4 E Cascade",
   "date": "2025-12-11",
   "county": "Cascade",
   "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 MTM76 Cascade E Mda.",
   "sourceDetail": "NWS TFX — Mesonet via Iowa Mesonet",
   "windSpeedMph": 58,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2025-12-11-wind-47.46--111.39",
   "lat": 47.46,
   "lon": -111.39,
   "zip": "",
   "city": "5 WSW Great Falls",
   "date": "2025-12-11",
   "county": "Cascade",
   "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": "61 mph wind gust at the NWS Office in Great Falls.",
   "sourceDetail": "NWS TFX — Official NWS Obs via Iowa Mesonet",
   "windSpeedMph": 61,
   "evidenceLevel": "reported"
  },
  {
   "id": "iem-lsr-2025-12-11-wind-47.41--111.72",
   "lat": 47.41,
   "lon": -111.72,
   "zip": "",
   "city": "8 SSE Fort  Shaw",
   "date": "2025-12-11",
   "county": "Cascade",
   "source": "IEM Local Storm Reports",
   "severity": "high",
   "eventType": "wind",
   "confidence": 0.92,
   "damageTypes": [
    "Roof shingle lift",
    "Soffit/fascia damage",
    "Tree strike risk",
    "Fence/screen damage"
   ],
   "description": "63 mph wind gust.",
   "sourceDetail": "NWS TFX — Mesonet via Iowa Mesonet",
   "windSpeedMph": 63,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2025-12-11-wind-47.47--111.38",
   "lat": 47.47,
   "lon": -111.38,
   "zip": "",
   "city": "5 WSW Great Falls",
   "date": "2025-12-11",
   "county": "Cascade",
   "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 KGTF Great Falls Airport.",
   "sourceDetail": "NWS TFX — ASOS via Iowa Mesonet",
   "windSpeedMph": 60,
   "evidenceLevel": "observed"
  },
  {
   "id": "asos-bf-GTF-2025-12-11",
   "lat": 47.4733,
   "lon": -111.3822,
   "zip": "",
   "city": "GREAT FALLS INTL",
   "date": "2025-12-11",
   "county": "Cascade",
   "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": "GREAT FALLS INTL (GTF) recorded a 60 mph gust.",
   "sourceDetail": "MT_ASOS automated observation — GREAT FALLS INTL (GTF) [365d backfill 2026-08]",
   "windSpeedMph": 60,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2025-12-10-wind-47.28--111.62",
   "lat": 47.28,
   "lon": -111.62,
   "zip": "",
   "city": "4 E Cascade",
   "date": "2025-12-10",
   "county": "Cascade",
   "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 MTM76 Cascade E Mda.",
   "sourceDetail": "NWS TFX — Mesonet via Iowa Mesonet",
   "windSpeedMph": 63,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2025-12-09-wind-47.41--111.72",
   "lat": 47.41,
   "lon": -111.72,
   "zip": "",
   "city": "8 SSE Fort  Shaw",
   "date": "2025-12-09",
   "county": "Cascade",
   "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": "59 mph wind gust at Sun River SE MT Mesonet site. SURM8.",
   "sourceDetail": "NWS TFX — Mesonet via Iowa Mesonet",
   "windSpeedMph": 59,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2025-12-09-wind-47.47--111.38",
   "lat": 47.47,
   "lon": -111.38,
   "zip": "",
   "city": "5 WSW Great Falls",
   "date": "2025-12-09",
   "county": "Cascade",
   "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 KGTF Great Falls Airport.",
   "sourceDetail": "NWS TFX — ASOS via Iowa Mesonet",
   "windSpeedMph": 59,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2025-12-09-wind-47.47--111.38",
   "lat": 47.47,
   "lon": -111.38,
   "zip": "",
   "city": "5 WSW Great Falls",
   "date": "2025-12-09",
   "county": "Cascade",
   "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 KGTF Great Falls Airport.",
   "sourceDetail": "NWS TFX — ASOS via Iowa Mesonet",
   "windSpeedMph": 63,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2025-12-09-wind-47.30--111.36",
   "lat": 47.3,
   "lon": -111.36,
   "zip": "",
   "city": "10 WSW Stockett",
   "date": "2025-12-09",
   "county": "Cascade",
   "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 FW1843 Great Falls.",
   "sourceDetail": "NWS TFX — Mesonet via Iowa Mesonet",
   "windSpeedMph": 63,
   "evidenceLevel": "observed"
  },
  {
   "id": "asos-bf-GTF-2025-12-09",
   "lat": 47.4733,
   "lon": -111.3822,
   "zip": "",
   "city": "GREAT FALLS INTL",
   "date": "2025-12-09",
   "county": "Cascade",
   "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": "GREAT FALLS INTL (GTF) recorded a 63 mph gust.",
   "sourceDetail": "MT_ASOS automated observation — GREAT FALLS INTL (GTF) [365d backfill 2026-08]",
   "windSpeedMph": 63,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2025-12-08-wind-47.28--111.62",
   "lat": 47.28,
   "lon": -111.62,
   "zip": "",
   "city": "4 E Cascade",
   "date": "2025-12-08",
   "county": "Cascade",
   "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 MTM76 Cascade E Mda.",
   "sourceDetail": "NWS TFX — Mesonet via Iowa Mesonet",
   "windSpeedMph": 64,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2025-12-08-wind-47.28--111.62",
   "lat": 47.28,
   "lon": -111.62,
   "zip": "",
   "city": "4 E Cascade",
   "date": "2025-12-08",
   "county": "Cascade",
   "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 MTM76 Cascade E Mda.",
   "sourceDetail": "NWS TFX — Mesonet via Iowa Mesonet",
   "windSpeedMph": 65,
   "evidenceLevel": "observed"
  },
  {
   "id": "asos-bf-GFA-2025-12-08",
   "lat": 47.5047,
   "lon": -111.1873,
   "zip": "",
   "city": "MALMSTROM AFB",
   "date": "2025-12-08",
   "county": "Cascade",
   "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": "MALMSTROM AFB (GFA) recorded a 55 mph gust.",
   "sourceDetail": "MT_ASOS automated observation — MALMSTROM AFB (GFA) [365d backfill 2026-08]",
   "windSpeedMph": 55,
   "evidenceLevel": "observed"
  },
  {
   "id": "asos-bf-GTF-2025-12-08",
   "lat": 47.4733,
   "lon": -111.3822,
   "zip": "",
   "city": "GREAT FALLS INTL",
   "date": "2025-12-08",
   "county": "Cascade",
   "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": "GREAT FALLS INTL (GTF) recorded a 58 mph gust.",
   "sourceDetail": "MT_ASOS automated observation — GREAT FALLS INTL (GTF) [365d backfill 2026-08]",
   "windSpeedMph": 58,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2025-11-14-wind-47.28--111.62",
   "lat": 47.28,
   "lon": -111.62,
   "zip": "",
   "city": "4 E Cascade",
   "date": "2025-11-14",
   "county": "Cascade",
   "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 MTM76 Cascade E Mda.",
   "sourceDetail": "NWS TFX — Mesonet via Iowa Mesonet",
   "windSpeedMph": 57,
   "evidenceLevel": "observed"
  },
  {
   "id": "asos-bf-GTF-2025-11-14",
   "lat": 47.4733,
   "lon": -111.3822,
   "zip": "",
   "city": "GREAT FALLS INTL",
   "date": "2025-11-14",
   "county": "Cascade",
   "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": "GREAT FALLS INTL (GTF) recorded a 56 mph gust.",
   "sourceDetail": "MT_ASOS automated observation — GREAT FALLS INTL (GTF) [365d backfill 2026-08]",
   "windSpeedMph": 56,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2025-11-13-wind-47.47--111.38",
   "lat": 47.47,
   "lon": -111.38,
   "zip": "",
   "city": "5 WSW Great Falls",
   "date": "2025-11-13",
   "county": "Cascade",
   "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 KGTF Great Falls Airport.",
   "sourceDetail": "NWS TFX — ASOS via Iowa Mesonet",
   "windSpeedMph": 59,
   "evidenceLevel": "observed"
  },
  {
   "id": "asos-bf-GTF-2025-11-13",
   "lat": 47.4733,
   "lon": -111.3822,
   "zip": "",
   "city": "GREAT FALLS INTL",
   "date": "2025-11-13",
   "county": "Cascade",
   "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": "GREAT FALLS INTL (GTF) recorded a 59 mph gust.",
   "sourceDetail": "MT_ASOS automated observation — GREAT FALLS INTL (GTF) [365d backfill 2026-08]",
   "windSpeedMph": 59,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2025-11-07-wind-47.48--111.42",
   "lat": 47.48,
   "lon": -111.42,
   "zip": "",
   "city": "5 SE Sun Prairie",
   "date": "2025-11-07",
   "county": "Cascade",
   "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": "Ambient Weather station measured a 62 mph wind gust.",
   "sourceDetail": "NWS TFX — Public via Iowa Mesonet",
   "windSpeedMph": 62,
   "evidenceLevel": "reported"
  },
  {
   "id": "iem-lsr-2025-11-07-wind-47.53--111.32",
   "lat": 47.53,
   "lon": -111.32,
   "zip": "",
   "city": "2 WNW Black Eagle",
   "date": "2025-11-07",
   "county": "Cascade",
   "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": "Ambient Weather Station measured a 62 mph wind gust.",
   "sourceDetail": "NWS TFX — Public via Iowa Mesonet",
   "windSpeedMph": 62,
   "evidenceLevel": "reported"
  },
  {
   "id": "iem-lsr-2025-11-07-wind-47.54--111.33",
   "lat": 47.54,
   "lon": -111.33,
   "zip": "",
   "city": "3 WNW Black Eagle",
   "date": "2025-11-07",
   "county": "Cascade",
   "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": "Ambient Weather Station measured a 59 mph wind gust.",
   "sourceDetail": "NWS TFX — Public via Iowa Mesonet",
   "windSpeedMph": 59,
   "evidenceLevel": "reported"
  },
  {
   "id": "asos-bf-GTF-2025-11-07",
   "lat": 47.4733,
   "lon": -111.3822,
   "zip": "",
   "city": "GREAT FALLS INTL",
   "date": "2025-11-07",
   "county": "Cascade",
   "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": "GREAT FALLS INTL (GTF) recorded a 56 mph gust.",
   "sourceDetail": "MT_ASOS automated observation — GREAT FALLS INTL (GTF) [365d backfill 2026-08]",
   "windSpeedMph": 56,
   "evidenceLevel": "observed"
  },
  {
   "id": "asos-bf-GTF-2025-11-02",
   "lat": 47.4733,
   "lon": -111.3822,
   "zip": "",
   "city": "GREAT FALLS INTL",
   "date": "2025-11-02",
   "county": "Cascade",
   "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": "GREAT FALLS INTL (GTF) recorded a 52 mph gust.",
   "sourceDetail": "MT_ASOS automated observation — GREAT FALLS INTL (GTF) [365d backfill 2026-08]",
   "windSpeedMph": 52,
   "evidenceLevel": "observed"
  },
  {
   "id": "asos-bf-GTF-2025-11-01",
   "lat": 47.4733,
   "lon": -111.3822,
   "zip": "",
   "city": "GREAT FALLS INTL",
   "date": "2025-11-01",
   "county": "Cascade",
   "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": "GREAT FALLS INTL (GTF) recorded a 52 mph gust.",
   "sourceDetail": "MT_ASOS automated observation — GREAT FALLS INTL (GTF) [365d backfill 2026-08]",
   "windSpeedMph": 52,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2025-10-29-wind-47.68--110.90",
   "lat": 47.68,
   "lon": -110.9,
   "zip": "",
   "city": "7 ESE Floweree",
   "date": "2025-10-29",
   "county": "Chouteau",
   "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": "Montana mesonet station Highwood Bench.",
   "sourceDetail": "NWS TFX — Mesonet via Iowa Mesonet",
   "windSpeedMph": 58,
   "evidenceLevel": "observed"
  },
  {
   "id": "asos-bf-GTF-2025-10-29",
   "lat": 47.4733,
   "lon": -111.3822,
   "zip": "",
   "city": "GREAT FALLS INTL",
   "date": "2025-10-29",
   "county": "Cascade",
   "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": "GREAT FALLS INTL (GTF) recorded a 54 mph gust.",
   "sourceDetail": "MT_ASOS automated observation — GREAT FALLS INTL (GTF) [365d backfill 2026-08]",
   "windSpeedMph": 54,
   "evidenceLevel": "observed"
  },
  {
   "id": "asos-bf-GFA-2025-10-29",
   "lat": 47.5047,
   "lon": -111.1873,
   "zip": "",
   "city": "MALMSTROM AFB",
   "date": "2025-10-29",
   "county": "Cascade",
   "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": "MALMSTROM AFB (GFA) recorded a 51 mph gust.",
   "sourceDetail": "MT_ASOS automated observation — MALMSTROM AFB (GFA) [365d backfill 2026-08]",
   "windSpeedMph": 51,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2025-10-26-wind-47.28--111.62",
   "lat": 47.28,
   "lon": -111.62,
   "zip": "",
   "city": "4 E Cascade",
   "date": "2025-10-26",
   "county": "Cascade",
   "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 MTM76 Cascade E Mda.",
   "sourceDetail": "NWS TFX — Mesonet via Iowa Mesonet",
   "windSpeedMph": 55,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2025-10-26-wind-47.47--111.38",
   "lat": 47.47,
   "lon": -111.38,
   "zip": "",
   "city": "5 WSW Great Falls",
   "date": "2025-10-26",
   "county": "Cascade",
   "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 KGTF Great Falls Airport.",
   "sourceDetail": "NWS TFX — ASOS via Iowa Mesonet",
   "windSpeedMph": 56,
   "evidenceLevel": "observed"
  },
  {
   "id": "asos-bf-GTF-2025-10-26",
   "lat": 47.4733,
   "lon": -111.3822,
   "zip": "",
   "city": "GREAT FALLS INTL",
   "date": "2025-10-26",
   "county": "Cascade",
   "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": "GREAT FALLS INTL (GTF) recorded a 57 mph gust.",
   "sourceDetail": "MT_ASOS automated observation — GREAT FALLS INTL (GTF) [365d backfill 2026-08]",
   "windSpeedMph": 57,
   "evidenceLevel": "observed"
  },
  {
   "id": "asos-bf-GTF-2025-10-25",
   "lat": 47.4733,
   "lon": -111.3822,
   "zip": "",
   "city": "GREAT FALLS INTL",
   "date": "2025-10-25",
   "county": "Cascade",
   "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": "GREAT FALLS INTL (GTF) recorded a 52 mph gust.",
   "sourceDetail": "MT_ASOS automated observation — GREAT FALLS INTL (GTF) [365d backfill 2026-08]",
   "windSpeedMph": 52,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2025-10-21-wind-47.28--111.62",
   "lat": 47.28,
   "lon": -111.62,
   "zip": "",
   "city": "4 E Cascade",
   "date": "2025-10-21",
   "county": "Cascade",
   "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 MTM76 Cascade E Mda.",
   "sourceDetail": "NWS TFX — Mesonet via Iowa Mesonet",
   "windSpeedMph": 50,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2025-10-17-wind-47.47--111.38",
   "lat": 47.47,
   "lon": -111.38,
   "zip": "",
   "city": "5 WSW Great Falls",
   "date": "2025-10-17",
   "county": "Cascade",
   "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 KGTF Great Falls Airport.",
   "sourceDetail": "NWS TFX — ASOS via Iowa Mesonet",
   "windSpeedMph": 54,
   "evidenceLevel": "observed"
  },
  {
   "id": "asos-bf-GTF-2025-10-17",
   "lat": 47.4733,
   "lon": -111.3822,
   "zip": "",
   "city": "GREAT FALLS INTL",
   "date": "2025-10-17",
   "county": "Cascade",
   "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": "GREAT FALLS INTL (GTF) recorded a 55 mph gust.",
   "sourceDetail": "MT_ASOS automated observation — GREAT FALLS INTL (GTF) [365d backfill 2026-08]",
   "windSpeedMph": 55,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2025-09-14-wind-47.48--111.42",
   "lat": 47.48,
   "lon": -111.42,
   "zip": "",
   "city": "5 SE Sun Prairie",
   "date": "2025-09-14",
   "county": "Cascade",
   "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": "Ambient station Keller Weather Station.",
   "sourceDetail": "NWS TFX — Public via Iowa Mesonet",
   "windSpeedMph": 55,
   "evidenceLevel": "reported"
  }
 ]
}