{
 "dataset": "Marshalltown, IA 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": "2026-08-24T09:20:12.401+00:00",
 "window_days": 365,
 "event_count": 107,
 "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": "iem-lsr-2026-07-20-wind-42.26--92.56",
   "lat": 42.26,
   "lon": -92.56,
   "zip": "",
   "city": "5 SSE Reinbeck",
   "date": "2026-07-20",
   "county": "Tama",
   "source": "IEM Local Storm Reports",
   "severity": "high",
   "eventType": "wind",
   "confidence": 0.92,
   "damageTypes": [
    "Roof shingle lift",
    "Soffit/fascia damage",
    "Tree strike risk",
    "Fence/screen damage"
   ],
   "description": "PWS gust.",
   "sourceDetail": "NWS DMX — Public via Iowa Mesonet",
   "windSpeedMph": 62,
   "evidenceLevel": "reported"
  },
  {
   "id": "iem-lsr-2026-07-20-wind-42.11--92.92",
   "lat": 42.11,
   "lon": -92.92,
   "zip": "",
   "city": "4 E Albion",
   "date": "2026-07-20",
   "county": "Marshall",
   "source": "IEM Local Storm Reports",
   "severity": "high",
   "eventType": "wind",
   "confidence": 0.92,
   "damageTypes": [
    "Roof shingle lift",
    "Soffit/fascia damage",
    "Tree strike risk",
    "Fence/screen damage"
   ],
   "description": "TSTM WND GST reported near 4 E Albion",
   "sourceDetail": "NWS DMX — ASOS via Iowa Mesonet",
   "windSpeedMph": 61,
   "evidenceLevel": "observed"
  },
  {
   "id": "asos-bf-MIW-2026-07-20",
   "lat": 42.1106,
   "lon": -92.9163,
   "zip": "",
   "city": "MARSHALLTOWN",
   "date": "2026-07-20",
   "county": "Marshall",
   "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": "MARSHALLTOWN (MIW) recorded a 62 mph gust.",
   "sourceDetail": "IA_ASOS automated observation — MARSHALLTOWN (MIW) [365d backfill 2026-08]",
   "windSpeedMph": 62,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-202607202127-wind-42.26--92.56",
   "lat": 42.26,
   "lon": -92.56,
   "zip": "",
   "city": "5 SSE Reinbeck",
   "date": "2026-07-20",
   "county": "Tama",
   "source": "IEM Local Storm Reports",
   "severity": "high",
   "eventType": "wind",
   "confidence": 92,
   "damageTypes": [
    "Roof shingle lift",
    "Soffit/fascia damage",
    "Tree strike risk",
    "Fence/screen damage"
   ],
   "description": "TSTM WND GST reported near 5 SSE Reinbeck, IA. Peak gust: 71 mph.",
   "sourceDetail": "NWS DMX — Public via Iowa Mesonet",
   "windSpeedMph": 71,
   "evidenceLevel": "reported"
  },
  {
   "id": "iem-202607202222-wind-42.11--92.92",
   "lat": 42.11,
   "lon": -92.92,
   "zip": "",
   "city": "4 E Albion",
   "date": "2026-07-20",
   "county": "Marshall",
   "source": "IEM Local Storm Reports",
   "severity": "high",
   "eventType": "wind",
   "confidence": 92,
   "damageTypes": [
    "Roof shingle lift",
    "Soffit/fascia damage",
    "Tree strike risk",
    "Fence/screen damage"
   ],
   "description": "TSTM WND GST reported near 4 E Albion, IA. Peak gust: 70 mph.",
   "sourceDetail": "NWS DMX — ASOS via Iowa Mesonet",
   "windSpeedMph": 70,
   "evidenceLevel": "observed"
  },
  {
   "id": "spc-2026-07-20-37-2127",
   "lat": 42.26,
   "lon": -92.56,
   "zip": "",
   "city": "Reinbeck",
   "date": "2026-07-20",
   "county": "Tama",
   "source": "SPC Storm Reports",
   "severity": "high",
   "eventType": "wind",
   "confidence": 90,
   "damageTypes": [
    "Roof shingle lift",
    "Soffit/fascia damage",
    "Tree strike risk",
    "Fence/screen damage"
   ],
   "description": "PWS gust. (DMX)",
   "sourceDetail": "Storm Prediction Center verified report",
   "windSpeedMph": 62,
   "evidenceLevel": "reported"
  },
  {
   "id": "spc-2026-07-20-45-2222",
   "lat": 42.11,
   "lon": -92.92,
   "zip": "",
   "city": "Albion",
   "date": "2026-07-20",
   "county": "Marshall",
   "source": "SPC Storm Reports",
   "severity": "high",
   "eventType": "wind",
   "confidence": 90,
   "damageTypes": [
    "Roof shingle lift",
    "Soffit/fascia damage",
    "Tree strike risk",
    "Fence/screen damage"
   ],
   "description": "(DMX)",
   "sourceDetail": "Storm Prediction Center verified report",
   "windSpeedMph": 61,
   "evidenceLevel": "reported"
  },
  {
   "id": "iem-lsr-2026-06-17-wind-42.24--93.30",
   "lat": 42.24,
   "lon": -93.3,
   "zip": "",
   "city": "5 S Hubbard",
   "date": "2026-06-17",
   "county": "Hardin",
   "source": "IEM Local Storm Reports",
   "severity": "high",
   "eventType": "wind",
   "confidence": 0.92,
   "damageTypes": [
    "Roof shingle lift",
    "Soffit/fascia damage",
    "Tree strike risk",
    "Fence/screen damage"
   ],
   "description": "PWS gust.",
   "sourceDetail": "NWS DMX — Mesonet via Iowa Mesonet",
   "windSpeedMph": 59,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2026-06-17-wind-42.17--93.21",
   "lat": 42.17,
   "lon": -93.21,
   "zip": "",
   "city": "3 NNW Saint Anthony",
   "date": "2026-06-17",
   "county": "Marshall",
   "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": "PWS gust.",
   "sourceDetail": "NWS DMX — Mesonet via Iowa Mesonet",
   "windSpeedMph": 75,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2026-06-17-wind-42.11--92.92",
   "lat": 42.11,
   "lon": -92.92,
   "zip": "",
   "city": "4 E Albion",
   "date": "2026-06-17",
   "county": "Marshall",
   "source": "IEM Local Storm Reports",
   "severity": "severe",
   "eventType": "wind",
   "confidence": 0.92,
   "damageTypes": [
    "Roof shingle lift",
    "Soffit/fascia damage",
    "Tree strike risk",
    "Fence/screen damage"
   ],
   "description": "TSTM WND GST reported near 4 E Albion",
   "sourceDetail": "NWS DMX — ASOS via Iowa Mesonet",
   "windSpeedMph": 94,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2026-06-17-wind-42.22--92.87",
   "lat": 42.22,
   "lon": -92.87,
   "zip": "",
   "city": "Conrad",
   "date": "2026-06-17",
   "county": "Grundy",
   "source": "IEM 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 Conrad",
   "sourceDetail": "NWS DMX — Emergency Mngr via Iowa Mesonet",
   "windSpeedMph": 60,
   "evidenceLevel": "reported"
  },
  {
   "id": "iem-lsr-2026-06-17-wind-42.12--92.92",
   "lat": 42.12,
   "lon": -92.92,
   "zip": "",
   "city": "4 E Albion",
   "date": "2026-06-17",
   "county": "Marshall",
   "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": "Delayed and updated report. Upon further evaluation of 1-min ASOS data_ the peak wind gust at the Marshalltown ASOS was upgraded to 107 mph (93 kts). This was initially not disseminated due to a comm",
   "sourceDetail": "NWS DMX — ASOS via Iowa Mesonet",
   "windSpeedMph": 107,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2026-06-17-wind-41.88--92.62",
   "lat": 41.88,
   "lon": -92.62,
   "zip": "",
   "city": "6 SSW Tama",
   "date": "2026-06-17",
   "county": "Tama",
   "source": "IEM Local Storm Reports",
   "severity": "high",
   "eventType": "wind",
   "confidence": 0.92,
   "damageTypes": [
    "Roof shingle lift",
    "Soffit/fascia damage",
    "Tree strike risk",
    "Fence/screen damage"
   ],
   "description": "PWS gust.",
   "sourceDetail": "NWS DMX — Mesonet via Iowa Mesonet",
   "windSpeedMph": 60,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-202606171022-wind-42.24--93.30",
   "lat": 42.24,
   "lon": -93.3,
   "zip": "",
   "city": "5 S Hubbard",
   "date": "2026-06-17",
   "county": "Hardin",
   "source": "IEM Local Storm Reports",
   "severity": "high",
   "eventType": "wind",
   "confidence": 92,
   "damageTypes": [
    "Roof shingle lift",
    "Soffit/fascia damage",
    "Tree strike risk",
    "Fence/screen damage"
   ],
   "description": "TSTM WND GST reported near 5 S Hubbard, IA. Peak gust: 68 mph.",
   "sourceDetail": "NWS DMX — Mesonet via Iowa Mesonet",
   "windSpeedMph": 68,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-202606171028-wind-42.17--93.21",
   "lat": 42.17,
   "lon": -93.21,
   "zip": "",
   "city": "3 NNW Saint Anthony",
   "date": "2026-06-17",
   "county": "Marshall",
   "source": "IEM Local Storm Reports",
   "severity": "severe",
   "eventType": "wind",
   "confidence": 92,
   "damageTypes": [
    "Roof shingle lift",
    "Soffit/fascia damage",
    "Tree strike risk",
    "Fence/screen damage"
   ],
   "description": "TSTM WND GST reported near 3 NNW Saint Anthony, IA. Peak gust: 86 mph.",
   "sourceDetail": "NWS DMX — Mesonet via Iowa Mesonet",
   "windSpeedMph": 86,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-202606171045-wind-42.11--92.92",
   "lat": 42.11,
   "lon": -92.92,
   "zip": "",
   "city": "4 E Albion",
   "date": "2026-06-17",
   "county": "Marshall",
   "source": "IEM Local Storm Reports",
   "severity": "severe",
   "eventType": "wind",
   "confidence": 92,
   "damageTypes": [
    "Roof shingle lift",
    "Soffit/fascia damage",
    "Tree strike risk",
    "Fence/screen damage"
   ],
   "description": "TSTM WND GST reported near 4 E Albion, IA. Peak gust: 108 mph.",
   "sourceDetail": "NWS DMX — ASOS via Iowa Mesonet",
   "windSpeedMph": 108,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-202606171047-wind-42.22--92.87",
   "lat": 42.22,
   "lon": -92.87,
   "zip": "",
   "city": "Conrad",
   "date": "2026-06-17",
   "county": "Grundy",
   "source": "IEM Local Storm Reports",
   "severity": "high",
   "eventType": "wind",
   "confidence": 92,
   "damageTypes": [
    "Roof shingle lift",
    "Soffit/fascia damage",
    "Tree strike risk",
    "Fence/screen damage"
   ],
   "description": "TSTM WND GST reported near Conrad, IA. Peak gust: 69 mph.",
   "sourceDetail": "NWS DMX — Emergency Mngr via Iowa Mesonet",
   "windSpeedMph": 69,
   "evidenceLevel": "reported"
  },
  {
   "id": "iem-202606171048-wind-42.12--92.92",
   "lat": 42.12,
   "lon": -92.92,
   "zip": "",
   "city": "4 E Albion",
   "date": "2026-06-17",
   "county": "Marshall",
   "source": "IEM Local Storm Reports",
   "severity": "severe",
   "eventType": "wind",
   "confidence": 92,
   "damageTypes": [
    "Roof shingle lift",
    "Soffit/fascia damage",
    "Tree strike risk",
    "Fence/screen damage"
   ],
   "description": "TSTM WND GST reported near 4 E Albion, IA. Peak gust: 123 mph.",
   "sourceDetail": "NWS DMX — ASOS via Iowa Mesonet",
   "windSpeedMph": 123,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-202606171111-wind-41.88--92.62",
   "lat": 41.88,
   "lon": -92.62,
   "zip": "",
   "city": "6 SSW Tama",
   "date": "2026-06-17",
   "county": "Tama",
   "source": "IEM Local Storm Reports",
   "severity": "high",
   "eventType": "wind",
   "confidence": 92,
   "damageTypes": [
    "Roof shingle lift",
    "Soffit/fascia damage",
    "Tree strike risk",
    "Fence/screen damage"
   ],
   "description": "TSTM WND GST reported near 6 SSW Tama, IA. Peak gust: 69 mph.",
   "sourceDetail": "NWS DMX — Mesonet via Iowa Mesonet",
   "windSpeedMph": 69,
   "evidenceLevel": "observed"
  },
  {
   "id": "spc-2026-06-16-217-1022",
   "lat": 42.24,
   "lon": -93.3,
   "zip": "",
   "city": "Hubbard",
   "date": "2026-06-16",
   "county": "Hardin",
   "source": "SPC Storm Reports",
   "severity": "high",
   "eventType": "wind",
   "confidence": 90,
   "damageTypes": [
    "Roof shingle lift",
    "Soffit/fascia damage",
    "Tree strike risk",
    "Fence/screen damage"
   ],
   "description": "PWS gust. (DMX)",
   "sourceDetail": "Storm Prediction Center verified report",
   "windSpeedMph": 59,
   "evidenceLevel": "reported"
  },
  {
   "id": "spc-2026-06-16-218-1028",
   "lat": 42.17,
   "lon": -93.21,
   "zip": "",
   "city": "Saint Anthony",
   "date": "2026-06-16",
   "county": "Marshall",
   "source": "SPC Storm Reports",
   "severity": "severe",
   "eventType": "wind",
   "confidence": 90,
   "damageTypes": [
    "Roof shingle lift",
    "Soffit/fascia damage",
    "Tree strike risk",
    "Fence/screen damage"
   ],
   "description": "PWS gust. (DMX)",
   "sourceDetail": "Storm Prediction Center verified report",
   "windSpeedMph": 75,
   "evidenceLevel": "reported"
  },
  {
   "id": "spc-2026-06-16-223-1045",
   "lat": 42.11,
   "lon": -92.92,
   "zip": "",
   "city": "Albion",
   "date": "2026-06-16",
   "county": "Marshall",
   "source": "SPC Storm Reports",
   "severity": "severe",
   "eventType": "wind",
   "confidence": 90,
   "damageTypes": [
    "Roof shingle lift",
    "Soffit/fascia damage",
    "Tree strike risk",
    "Fence/screen damage"
   ],
   "description": "(DMX)",
   "sourceDetail": "Storm Prediction Center verified report",
   "windSpeedMph": 94,
   "evidenceLevel": "reported"
  },
  {
   "id": "spc-2026-06-16-225-1047",
   "lat": 42.22,
   "lon": -92.87,
   "zip": "",
   "city": "Conrad",
   "date": "2026-06-16",
   "county": "Grundy",
   "source": "SPC Storm Reports",
   "severity": "high",
   "eventType": "wind",
   "confidence": 90,
   "damageTypes": [
    "Roof shingle lift",
    "Soffit/fascia damage",
    "Tree strike risk",
    "Fence/screen damage"
   ],
   "description": "(DMX)",
   "sourceDetail": "Storm Prediction Center verified report",
   "windSpeedMph": 60,
   "evidenceLevel": "reported"
  },
  {
   "id": "spc-2026-06-16-227-1048",
   "lat": 42.12,
   "lon": -92.92,
   "zip": "",
   "city": "Albion",
   "date": "2026-06-16",
   "county": "Marshall",
   "source": "SPC Storm Reports",
   "severity": "severe",
   "eventType": "wind",
   "confidence": 90,
   "damageTypes": [
    "Roof shingle lift",
    "Soffit/fascia damage",
    "Tree strike risk",
    "Fence/screen damage"
   ],
   "description": "Delayed and updated report. Upon further evaluation of 1-min ASOS data... the peak wind gust at the Marshalltown ASOS was upgraded to 107 mph (93 kts). This was initial (DMX)",
   "sourceDetail": "Storm Prediction Center verified report",
   "windSpeedMph": 107,
   "evidenceLevel": "reported"
  },
  {
   "id": "spc-2026-06-16-230-1111",
   "lat": 41.88,
   "lon": -92.62,
   "zip": "",
   "city": "Tama",
   "date": "2026-06-16",
   "county": "Tama",
   "source": "SPC Storm Reports",
   "severity": "high",
   "eventType": "wind",
   "confidence": 90,
   "damageTypes": [
    "Roof shingle lift",
    "Soffit/fascia damage",
    "Tree strike risk",
    "Fence/screen damage"
   ],
   "description": "PWS gust. (DMX)",
   "sourceDetail": "Storm Prediction Center verified report",
   "windSpeedMph": 60,
   "evidenceLevel": "reported"
  },
  {
   "id": "iem-lsr-2026-06-11-wind-42.11--92.92",
   "lat": 42.11,
   "lon": -92.92,
   "zip": "",
   "city": "4 E Albion",
   "date": "2026-06-11",
   "county": "Marshall",
   "source": "IEM Local Storm Reports",
   "severity": "high",
   "eventType": "wind",
   "confidence": 0.92,
   "damageTypes": [
    "Roof shingle lift",
    "Soffit/fascia damage",
    "Tree strike risk",
    "Fence/screen damage"
   ],
   "description": "Delayed report - measured from KMIW.",
   "sourceDetail": "NWS DMX — ASOS via Iowa Mesonet",
   "windSpeedMph": 66,
   "evidenceLevel": "observed"
  },
  {
   "id": "asos-bf-MIW-2026-06-11",
   "lat": 42.1106,
   "lon": -92.9163,
   "zip": "",
   "city": "MARSHALLTOWN",
   "date": "2026-06-11",
   "county": "Marshall",
   "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": "MARSHALLTOWN (MIW) recorded a 65 mph gust.",
   "sourceDetail": "IA_ASOS automated observation — MARSHALLTOWN (MIW) [365d backfill 2026-08]",
   "windSpeedMph": 65,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-202606111342-wind-42.11--92.92",
   "lat": 42.11,
   "lon": -92.92,
   "zip": "",
   "city": "4 E Albion",
   "date": "2026-06-11",
   "county": "Marshall",
   "source": "IEM Local Storm Reports",
   "severity": "severe",
   "eventType": "wind",
   "confidence": 92,
   "damageTypes": [
    "Roof shingle lift",
    "Soffit/fascia damage",
    "Tree strike risk",
    "Fence/screen damage"
   ],
   "description": "TSTM WND GST reported near 4 E Albion, IA. Peak gust: 76 mph.",
   "sourceDetail": "NWS DMX — ASOS via Iowa Mesonet",
   "windSpeedMph": 76,
   "evidenceLevel": "observed"
  },
  {
   "id": "spc-2026-06-11-265-1342",
   "lat": 42.11,
   "lon": -92.92,
   "zip": "",
   "city": "Albion",
   "date": "2026-06-11",
   "county": "Marshall",
   "source": "SPC Storm Reports",
   "severity": "high",
   "eventType": "wind",
   "confidence": 90,
   "damageTypes": [
    "Roof shingle lift",
    "Soffit/fascia damage",
    "Tree strike risk",
    "Fence/screen damage"
   ],
   "description": "Delayed report - measured from KMIW. (DMX)",
   "sourceDetail": "Storm Prediction Center verified report",
   "windSpeedMph": 66,
   "evidenceLevel": "reported"
  },
  {
   "id": "iem-lsr-2026-06-10-wind-42.15--93.13",
   "lat": 42.15,
   "lon": -93.13,
   "zip": "",
   "city": "3 NE Clemons",
   "date": "2026-06-10",
   "county": "Marshall",
   "source": "IEM Local Storm Reports",
   "severity": "high",
   "eventType": "wind",
   "confidence": 0.92,
   "damageTypes": [
    "Roof shingle lift",
    "Soffit/fascia damage",
    "Tree strike risk",
    "Fence/screen damage"
   ],
   "description": "Delayed report. Peak wind gust from a personal weather station.",
   "sourceDetail": "NWS DMX — Mesonet via Iowa Mesonet",
   "windSpeedMph": 60,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2026-06-10-wind-42.12--92.92",
   "lat": 42.12,
   "lon": -92.92,
   "zip": "",
   "city": "4 E Albion",
   "date": "2026-06-10",
   "county": "Marshall",
   "source": "IEM Local Storm Reports",
   "severity": "high",
   "eventType": "wind",
   "confidence": 0.92,
   "damageTypes": [
    "Roof shingle lift",
    "Soffit/fascia damage",
    "Tree strike risk",
    "Fence/screen damage"
   ],
   "description": "Delayed report_ peak wind gust from the KMIW Marshalltown Airport ASOS.",
   "sourceDetail": "NWS DMX — ASOS via Iowa Mesonet",
   "windSpeedMph": 59,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2026-06-10-wind-42.29--93.16",
   "lat": 42.29,
   "lon": -93.16,
   "zip": "",
   "city": "1 NE New Providence",
   "date": "2026-06-10",
   "county": "Hardin",
   "source": "IEM Local Storm Reports",
   "severity": "high",
   "eventType": "wind",
   "confidence": 0.92,
   "damageTypes": [
    "Roof shingle lift",
    "Soffit/fascia damage",
    "Tree strike risk",
    "Fence/screen damage"
   ],
   "description": "Delayed report. Peak wind gust from a personal weather station.",
   "sourceDetail": "NWS DMX — Mesonet via Iowa Mesonet",
   "windSpeedMph": 65,
   "evidenceLevel": "observed"
  },
  {
   "id": "asos-bf-MIW-2026-06-10",
   "lat": 42.1106,
   "lon": -92.9163,
   "zip": "",
   "city": "MARSHALLTOWN",
   "date": "2026-06-10",
   "county": "Marshall",
   "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": "MARSHALLTOWN (MIW) recorded a 58 mph gust.",
   "sourceDetail": "IA_ASOS automated observation — MARSHALLTOWN (MIW) [365d backfill 2026-08]",
   "windSpeedMph": 58,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-202606101550-wind-42.15--93.13",
   "lat": 42.15,
   "lon": -93.13,
   "zip": "",
   "city": "3 NE Clemons",
   "date": "2026-06-10",
   "county": "Marshall",
   "source": "IEM Local Storm Reports",
   "severity": "high",
   "eventType": "wind",
   "confidence": 92,
   "damageTypes": [
    "Roof shingle lift",
    "Soffit/fascia damage",
    "Tree strike risk",
    "Fence/screen damage"
   ],
   "description": "TSTM WND GST reported near 3 NE Clemons, IA. Peak gust: 69 mph.",
   "sourceDetail": "NWS DMX — Mesonet via Iowa Mesonet",
   "windSpeedMph": 69,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-202606101557-wind-42.12--92.92",
   "lat": 42.12,
   "lon": -92.92,
   "zip": "",
   "city": "4 E Albion",
   "date": "2026-06-10",
   "county": "Marshall",
   "source": "IEM Local Storm Reports",
   "severity": "high",
   "eventType": "wind",
   "confidence": 92,
   "damageTypes": [
    "Roof shingle lift",
    "Soffit/fascia damage",
    "Tree strike risk",
    "Fence/screen damage"
   ],
   "description": "TSTM WND GST reported near 4 E Albion, IA. Peak gust: 68 mph.",
   "sourceDetail": "NWS DMX — ASOS via Iowa Mesonet",
   "windSpeedMph": 68,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-202606101601-wind-42.29--93.16",
   "lat": 42.29,
   "lon": -93.16,
   "zip": "",
   "city": "1 NE New Providence",
   "date": "2026-06-10",
   "county": "Hardin",
   "source": "IEM Local Storm Reports",
   "severity": "severe",
   "eventType": "wind",
   "confidence": 92,
   "damageTypes": [
    "Roof shingle lift",
    "Soffit/fascia damage",
    "Tree strike risk",
    "Fence/screen damage"
   ],
   "description": "TSTM WND GST reported near 1 NE New Providence, IA. Peak gust: 75 mph.",
   "sourceDetail": "NWS DMX — Mesonet via Iowa Mesonet",
   "windSpeedMph": 75,
   "evidenceLevel": "observed"
  },
  {
   "id": "spc-2026-06-10-290-1550",
   "lat": 42.15,
   "lon": -93.13,
   "zip": "",
   "city": "Clemons",
   "date": "2026-06-10",
   "county": "Marshall",
   "source": "SPC Storm Reports",
   "severity": "high",
   "eventType": "wind",
   "confidence": 90,
   "damageTypes": [
    "Roof shingle lift",
    "Soffit/fascia damage",
    "Tree strike risk",
    "Fence/screen damage"
   ],
   "description": "Delayed report. Peak wind gust from a personal weather station. (DMX)",
   "sourceDetail": "Storm Prediction Center verified report",
   "windSpeedMph": 60,
   "evidenceLevel": "reported"
  },
  {
   "id": "spc-2026-06-10-291-1557",
   "lat": 42.12,
   "lon": -92.92,
   "zip": "",
   "city": "Albion",
   "date": "2026-06-10",
   "county": "Marshall",
   "source": "SPC Storm Reports",
   "severity": "high",
   "eventType": "wind",
   "confidence": 90,
   "damageTypes": [
    "Roof shingle lift",
    "Soffit/fascia damage",
    "Tree strike risk",
    "Fence/screen damage"
   ],
   "description": "Delayed report... peak wind gust from the KMIW Marshalltown Airport ASOS. (DMX)",
   "sourceDetail": "Storm Prediction Center verified report",
   "windSpeedMph": 59,
   "evidenceLevel": "reported"
  },
  {
   "id": "spc-2026-06-10-295-1601",
   "lat": 42.29,
   "lon": -93.16,
   "zip": "",
   "city": "New Providence",
   "date": "2026-06-10",
   "county": "Hardin",
   "source": "SPC Storm Reports",
   "severity": "high",
   "eventType": "wind",
   "confidence": 90,
   "damageTypes": [
    "Roof shingle lift",
    "Soffit/fascia damage",
    "Tree strike risk",
    "Fence/screen damage"
   ],
   "description": "Delayed report. Peak wind gust from a personal weather station. (DMX)",
   "sourceDetail": "Storm Prediction Center verified report",
   "windSpeedMph": 65,
   "evidenceLevel": "reported"
  },
  {
   "id": "iem-202604171921-hail-41.90--93.31",
   "lat": 41.9,
   "lon": -93.31,
   "zip": "",
   "city": "Collins",
   "date": "2026-04-17",
   "county": "Story",
   "source": "IEM Local Storm Reports",
   "severity": "high",
   "eventType": "hail",
   "confidence": 92,
   "damageTypes": [
    "Shingle bruising",
    "Granule displacement",
    "Metal denting",
    "Vehicle damage"
   ],
   "description": "HAIL reported near Collins, IA. Hail size: 1\".",
   "sourceDetail": "NWS DMX — Public via Iowa Mesonet",
   "evidenceLevel": "reported",
   "hailSizeInches": 1
  },
  {
   "id": "iem-202604171939-hail-41.94--93.10",
   "lat": 41.94,
   "lon": -93.1,
   "zip": "",
   "city": "Melbourne",
   "date": "2026-04-17",
   "county": "Marshall",
   "source": "IEM Local Storm Reports",
   "severity": "high",
   "eventType": "hail",
   "confidence": 92,
   "damageTypes": [
    "Shingle bruising",
    "Granule displacement",
    "Metal denting",
    "Vehicle damage"
   ],
   "description": "HAIL reported near Melbourne, IA. Hail size: 1.75\".",
   "sourceDetail": "NWS DMX — Public via Iowa Mesonet",
   "evidenceLevel": "reported",
   "hailSizeInches": 1.75
  },
  {
   "id": "iem-202604171950-hail-41.70--93.06",
   "lat": 41.7,
   "lon": -93.06,
   "zip": "",
   "city": "1 ESE Lambs Grove",
   "date": "2026-04-17",
   "county": "Jasper",
   "source": "IEM Local Storm Reports",
   "severity": "high",
   "eventType": "hail",
   "confidence": 92,
   "damageTypes": [
    "Shingle bruising",
    "Granule displacement",
    "Metal denting",
    "Vehicle damage"
   ],
   "description": "HAIL reported near 1 ESE Lambs Grove, IA. Hail size: 1.75\".",
   "sourceDetail": "NWS DMX — Emergency Mngr via Iowa Mesonet",
   "evidenceLevel": "reported",
   "hailSizeInches": 1.75
  },
  {
   "id": "iem-202604171950-hail-41.88--92.92",
   "lat": 41.88,
   "lon": -92.92,
   "zip": "",
   "city": "Laurel",
   "date": "2026-04-17",
   "county": "Marshall",
   "source": "IEM Local Storm Reports",
   "severity": "high",
   "eventType": "hail",
   "confidence": 92,
   "damageTypes": [
    "Shingle bruising",
    "Granule displacement",
    "Metal denting",
    "Vehicle damage"
   ],
   "description": "HAIL reported near Laurel, IA. Hail size: 1\".",
   "sourceDetail": "NWS DMX — Public via Iowa Mesonet",
   "evidenceLevel": "reported",
   "hailSizeInches": 1
  },
  {
   "id": "iem-202604171950-hail-41.75--93.06",
   "lat": 41.75,
   "lon": -93.06,
   "zip": "",
   "city": "4 NNE Lambs Grove",
   "date": "2026-04-17",
   "county": "Jasper",
   "source": "IEM Local Storm Reports",
   "severity": "high",
   "eventType": "hail",
   "confidence": 92,
   "damageTypes": [
    "Shingle bruising",
    "Granule displacement",
    "Metal denting",
    "Vehicle damage"
   ],
   "description": "HAIL reported near 4 NNE Lambs Grove, IA. Hail size: 1.75\".",
   "sourceDetail": "NWS DMX — Public via Iowa Mesonet",
   "evidenceLevel": "reported",
   "hailSizeInches": 1.75
  },
  {
   "id": "iem-202604172000-hail-41.92--92.96",
   "lat": 41.92,
   "lon": -92.96,
   "zip": "",
   "city": "1 S Haverhill",
   "date": "2026-04-17",
   "county": "Marshall",
   "source": "IEM Local Storm Reports",
   "severity": "high",
   "eventType": "hail",
   "confidence": 92,
   "damageTypes": [
    "Shingle bruising",
    "Granule displacement",
    "Metal denting",
    "Vehicle damage"
   ],
   "description": "HAIL reported near 1 S Haverhill, IA. Hail size: 1\".",
   "sourceDetail": "NWS DMX — Public via Iowa Mesonet",
   "evidenceLevel": "reported",
   "hailSizeInches": 1
  },
  {
   "id": "iem-202604172004-hail-41.95--92.58",
   "lat": 41.95,
   "lon": -92.58,
   "zip": "",
   "city": "1 S Tama",
   "date": "2026-04-17",
   "county": "Tama",
   "source": "IEM Local Storm Reports",
   "severity": "high",
   "eventType": "hail",
   "confidence": 92,
   "damageTypes": [
    "Shingle bruising",
    "Granule displacement",
    "Metal denting",
    "Vehicle damage"
   ],
   "description": "HAIL reported near 1 S Tama, IA. Hail size: 1\".",
   "sourceDetail": "NWS DMX — Emergency Mngr via Iowa Mesonet",
   "evidenceLevel": "reported",
   "hailSizeInches": 1
  },
  {
   "id": "iem-202604172005-hail-41.96--92.58",
   "lat": 41.96,
   "lon": -92.58,
   "zip": "",
   "city": "Tama",
   "date": "2026-04-17",
   "county": "Tama",
   "source": "IEM Local Storm Reports",
   "severity": "high",
   "eventType": "hail",
   "confidence": 92,
   "damageTypes": [
    "Shingle bruising",
    "Granule displacement",
    "Metal denting",
    "Vehicle damage"
   ],
   "description": "HAIL reported near Tama, IA. Hail size: 1.75\".",
   "sourceDetail": "NWS DMX — Public via Iowa Mesonet",
   "evidenceLevel": "reported",
   "hailSizeInches": 1.75
  },
  {
   "id": "iem-202604172015-hail-41.96--92.57",
   "lat": 41.96,
   "lon": -92.57,
   "zip": "",
   "city": "Tama",
   "date": "2026-04-17",
   "county": "Tama",
   "source": "IEM Local Storm Reports",
   "severity": "high",
   "eventType": "hail",
   "confidence": 92,
   "damageTypes": [
    "Shingle bruising",
    "Granule displacement",
    "Metal denting",
    "Vehicle damage"
   ],
   "description": "HAIL reported near Tama, IA. Hail size: 1\".",
   "sourceDetail": "NWS DMX — Public via Iowa Mesonet",
   "evidenceLevel": "reported",
   "hailSizeInches": 1
  },
  {
   "id": "iem-202604172010-hail-41.75--92.79",
   "lat": 41.75,
   "lon": -92.79,
   "zip": "",
   "city": "3 NE Oakland Acres",
   "date": "2026-04-17",
   "county": "Jasper",
   "source": "IEM Local Storm Reports",
   "severity": "high",
   "eventType": "hail",
   "confidence": 92,
   "damageTypes": [
    "Shingle bruising",
    "Granule displacement",
    "Metal denting",
    "Vehicle damage"
   ],
   "description": "HAIL reported near 3 NE Oakland Acres, IA. Hail size: 1\".",
   "sourceDetail": "NWS DMX — Trained Spotter via Iowa Mesonet",
   "evidenceLevel": "reported",
   "hailSizeInches": 1
  },
  {
   "id": "iem-202604172016-hail-41.99--92.58",
   "lat": 41.99,
   "lon": -92.58,
   "zip": "",
   "city": "Toledo",
   "date": "2026-04-17",
   "county": "Tama",
   "source": "IEM Local Storm Reports",
   "severity": "severe",
   "eventType": "hail",
   "confidence": 92,
   "damageTypes": [
    "Shingle bruising",
    "Granule displacement",
    "Metal denting",
    "Vehicle damage"
   ],
   "description": "HAIL reported near Toledo, IA. Hail size: 2\".",
   "sourceDetail": "NWS DMX — Trained Spotter via Iowa Mesonet",
   "evidenceLevel": "reported",
   "hailSizeInches": 2
  },
  {
   "id": "iem-202604172025-hail-41.74--92.72",
   "lat": 41.74,
   "lon": -92.72,
   "zip": "",
   "city": "Grinnell",
   "date": "2026-04-17",
   "county": "Poweshiek",
   "source": "IEM Local Storm Reports",
   "severity": "high",
   "eventType": "hail",
   "confidence": 92,
   "damageTypes": [
    "Shingle bruising",
    "Granule displacement",
    "Metal denting",
    "Vehicle damage"
   ],
   "description": "HAIL reported near Grinnell, IA. Hail size: 1\".",
   "sourceDetail": "NWS DMX — Public via Iowa Mesonet",
   "evidenceLevel": "reported",
   "hailSizeInches": 1
  },
  {
   "id": "iem-202604171945-hail-41.70--93.06",
   "lat": 41.7,
   "lon": -93.06,
   "zip": "",
   "city": "1 W Newton",
   "date": "2026-04-17",
   "county": "Jasper",
   "source": "IEM Local Storm Reports",
   "severity": "high",
   "eventType": "hail",
   "confidence": 92,
   "damageTypes": [
    "Shingle bruising",
    "Granule displacement",
    "Metal denting",
    "Vehicle damage"
   ],
   "description": "HAIL reported near 1 W Newton, IA. Hail size: 1\".",
   "sourceDetail": "NWS DMX — Trained Spotter via Iowa Mesonet",
   "evidenceLevel": "reported",
   "hailSizeInches": 1
  },
  {
   "id": "iem-202604172008-hail-41.96--92.57",
   "lat": 41.96,
   "lon": -92.57,
   "zip": "",
   "city": "Tama",
   "date": "2026-04-17",
   "county": "Tama",
   "source": "IEM Local Storm Reports",
   "severity": "high",
   "eventType": "hail",
   "confidence": 92,
   "damageTypes": [
    "Shingle bruising",
    "Granule displacement",
    "Metal denting",
    "Vehicle damage"
   ],
   "description": "HAIL reported near Tama, IA. Hail size: 1.5\".",
   "sourceDetail": "NWS DMX — Emergency Mngr via Iowa Mesonet",
   "evidenceLevel": "reported",
   "hailSizeInches": 1.5
  },
  {
   "id": "iem-202604172010-hail-41.99--92.58",
   "lat": 41.99,
   "lon": -92.58,
   "zip": "",
   "city": "Toledo",
   "date": "2026-04-17",
   "county": "Tama",
   "source": "IEM Local Storm Reports",
   "severity": "severe",
   "eventType": "hail",
   "confidence": 92,
   "damageTypes": [
    "Shingle bruising",
    "Granule displacement",
    "Metal denting",
    "Vehicle damage"
   ],
   "description": "HAIL reported near Toledo, IA. Hail size: 2.5\".",
   "sourceDetail": "NWS DMX — Public via Iowa Mesonet",
   "evidenceLevel": "reported",
   "hailSizeInches": 2.5
  },
  {
   "id": "iem-202604172014-hail-41.96--92.57",
   "lat": 41.96,
   "lon": -92.57,
   "zip": "",
   "city": "Tama",
   "date": "2026-04-17",
   "county": "Tama",
   "source": "IEM Local Storm Reports",
   "severity": "severe",
   "eventType": "hail",
   "confidence": 92,
   "damageTypes": [
    "Shingle bruising",
    "Granule displacement",
    "Metal denting",
    "Vehicle damage"
   ],
   "description": "HAIL reported near Tama, IA. Hail size: 2.5\".",
   "sourceDetail": "NWS DMX — Storm Chaser via Iowa Mesonet",
   "evidenceLevel": "reported",
   "hailSizeInches": 2.5
  },
  {
   "id": "spc-2026-04-17-716-1945",
   "lat": 41.7,
   "lon": -93.06,
   "zip": "",
   "city": "Newton",
   "date": "2026-04-17",
   "county": "Jasper",
   "source": "SPC Storm Reports",
   "severity": "high",
   "eventType": "hail",
   "confidence": 90,
   "damageTypes": [
    "Shingle bruising",
    "Granule displacement",
    "Metal denting",
    "Vehicle damage"
   ],
   "description": "Delayed report - time estimated from radar. (DMX)",
   "sourceDetail": "Storm Prediction Center verified report",
   "evidenceLevel": "reported",
   "hailSizeInches": 1
  },
  {
   "id": "spc-2026-04-17-717-1950",
   "lat": 41.7,
   "lon": -93.06,
   "zip": "",
   "city": "Lambs Grove",
   "date": "2026-04-17",
   "county": "Jasper",
   "source": "SPC Storm Reports",
   "severity": "high",
   "eventType": "hail",
   "confidence": 90,
   "damageTypes": [
    "Shingle bruising",
    "Granule displacement",
    "Metal denting",
    "Vehicle damage"
   ],
   "description": "(DMX)",
   "sourceDetail": "Storm Prediction Center verified report",
   "evidenceLevel": "reported",
   "hailSizeInches": 1.75
  },
  {
   "id": "spc-2026-04-17-724-2000",
   "lat": 41.92,
   "lon": -92.96,
   "zip": "",
   "city": "Haverhill",
   "date": "2026-04-17",
   "county": "Marshall",
   "source": "SPC Storm Reports",
   "severity": "high",
   "eventType": "hail",
   "confidence": 90,
   "damageTypes": [
    "Shingle bruising",
    "Granule displacement",
    "Metal denting",
    "Vehicle damage"
   ],
   "description": "Delayed report - time estimated from radar. (DMX)",
   "sourceDetail": "Storm Prediction Center verified report",
   "evidenceLevel": "reported",
   "hailSizeInches": 1
  },
  {
   "id": "spc-2026-04-17-728-2010",
   "lat": 41.75,
   "lon": -92.79,
   "zip": "",
   "city": "Oakland Acres",
   "date": "2026-04-17",
   "county": "Jasper",
   "source": "SPC Storm Reports",
   "severity": "high",
   "eventType": "hail",
   "confidence": 90,
   "damageTypes": [
    "Shingle bruising",
    "Granule displacement",
    "Metal denting",
    "Vehicle damage"
   ],
   "description": "Delayed report - time estimated from radar. (DMX)",
   "sourceDetail": "Storm Prediction Center verified report",
   "evidenceLevel": "reported",
   "hailSizeInches": 1
  },
  {
   "id": "iem-lsr-2026-04-17-hail-41.99--92.58",
   "lat": 41.99,
   "lon": -92.58,
   "zip": "",
   "city": "Toledo",
   "date": "2026-04-17",
   "county": "Tama",
   "source": "IEM Local Storm Reports",
   "severity": "high",
   "eventType": "hail",
   "confidence": 0.92,
   "damageTypes": [
    "Shingle bruising",
    "Granule displacement",
    "Metal denting",
    "Vehicle damage"
   ],
   "description": "HAIL reported near Toledo",
   "sourceDetail": "NWS DMX — Emergency Mngr via Iowa Mesonet",
   "evidenceLevel": "reported",
   "hailSizeInches": 1.75
  },
  {
   "id": "iem-202604152048-hail-41.90--93.31",
   "lat": 41.9,
   "lon": -93.31,
   "zip": "",
   "city": "Collins",
   "date": "2026-04-15",
   "county": "Story",
   "source": "IEM Local Storm Reports",
   "severity": "high",
   "eventType": "hail",
   "confidence": 92,
   "damageTypes": [
    "Shingle bruising",
    "Granule displacement",
    "Metal denting",
    "Vehicle damage"
   ],
   "description": "HAIL reported near Collins, IA. Hail size: 1\".",
   "sourceDetail": "NWS DMX — Fire Dept/Rescue via Iowa Mesonet",
   "evidenceLevel": "reported",
   "hailSizeInches": 1
  },
  {
   "id": "iem-202604152131-hail-42.01--92.78",
   "lat": 42.01,
   "lon": -92.78,
   "zip": "",
   "city": "Le Grand",
   "date": "2026-04-15",
   "county": "Marshall",
   "source": "IEM Local Storm Reports",
   "severity": "high",
   "eventType": "hail",
   "confidence": 92,
   "damageTypes": [
    "Shingle bruising",
    "Granule displacement",
    "Metal denting",
    "Vehicle damage"
   ],
   "description": "HAIL reported near Le Grand, IA. Hail size: 1\".",
   "sourceDetail": "NWS DMX — Broadcast Media via Iowa Mesonet",
   "evidenceLevel": "reported",
   "hailSizeInches": 1
  },
  {
   "id": "iem-202604152135-hail-42.00--92.67",
   "lat": 42,
   "lon": -92.67,
   "zip": "",
   "city": "3 E Montour",
   "date": "2026-04-15",
   "county": "Tama",
   "source": "IEM Local Storm Reports",
   "severity": "severe",
   "eventType": "hail",
   "confidence": 92,
   "damageTypes": [
    "Shingle bruising",
    "Granule displacement",
    "Metal denting",
    "Vehicle damage"
   ],
   "description": "HAIL reported near 3 E Montour, IA. Hail size: 2\".",
   "sourceDetail": "NWS DMX — Public via Iowa Mesonet",
   "evidenceLevel": "reported",
   "hailSizeInches": 2
  },
  {
   "id": "iem-202604152138-hail-42.00--92.65",
   "lat": 42,
   "lon": -92.65,
   "zip": "",
   "city": "3 ENE Montour",
   "date": "2026-04-15",
   "county": "Tama",
   "source": "IEM Local Storm Reports",
   "severity": "high",
   "eventType": "hail",
   "confidence": 92,
   "damageTypes": [
    "Shingle bruising",
    "Granule displacement",
    "Metal denting",
    "Vehicle damage"
   ],
   "description": "HAIL reported near 3 ENE Montour, IA. Hail size: 1.75\".",
   "sourceDetail": "NWS DMX — Emergency Mngr via Iowa Mesonet",
   "evidenceLevel": "reported",
   "hailSizeInches": 1.75
  },
  {
   "id": "iem-202604152140-hail-42.00--92.63",
   "lat": 42,
   "lon": -92.63,
   "zip": "",
   "city": "3 W Toledo",
   "date": "2026-04-15",
   "county": "Tama",
   "source": "IEM Local Storm Reports",
   "severity": "severe",
   "eventType": "hail",
   "confidence": 92,
   "damageTypes": [
    "Shingle bruising",
    "Granule displacement",
    "Metal denting",
    "Vehicle damage"
   ],
   "description": "HAIL reported near 3 W Toledo, IA. Hail size: 2\".",
   "sourceDetail": "NWS DMX — Broadcast Media via Iowa Mesonet",
   "evidenceLevel": "reported",
   "hailSizeInches": 2
  },
  {
   "id": "iem-202604160208-hail-42.02--93.35",
   "lat": 42.02,
   "lon": -93.35,
   "zip": "",
   "city": "2 W Colo",
   "date": "2026-04-15",
   "county": "Story",
   "source": "IEM Local Storm Reports",
   "severity": "high",
   "eventType": "hail",
   "confidence": 92,
   "damageTypes": [
    "Shingle bruising",
    "Granule displacement",
    "Metal denting",
    "Vehicle damage"
   ],
   "description": "HAIL reported near 2 W Colo, IA. Hail size: 1\".",
   "sourceDetail": "NWS DMX — Trained Spotter via Iowa Mesonet",
   "evidenceLevel": "reported",
   "hailSizeInches": 1
  },
  {
   "id": "iem-202604152139-hail-42.00--92.63",
   "lat": 42,
   "lon": -92.63,
   "zip": "",
   "city": "3 W Toledo",
   "date": "2026-04-15",
   "county": "Tama",
   "source": "IEM Local Storm Reports",
   "severity": "severe",
   "eventType": "hail",
   "confidence": 92,
   "damageTypes": [
    "Shingle bruising",
    "Granule displacement",
    "Metal denting",
    "Vehicle damage"
   ],
   "description": "HAIL reported near 3 W Toledo, IA. Hail size: 2.5\".",
   "sourceDetail": "NWS DMX — Public via Iowa Mesonet",
   "evidenceLevel": "reported",
   "hailSizeInches": 2.5
  },
  {
   "id": "spc-2026-04-15-789-2135",
   "lat": 42,
   "lon": -92.67,
   "zip": "",
   "city": "Montour",
   "date": "2026-04-15",
   "county": "Tama",
   "source": "SPC Storm Reports",
   "severity": "severe",
   "eventType": "hail",
   "confidence": 90,
   "damageTypes": [
    "Shingle bruising",
    "Granule displacement",
    "Metal denting",
    "Vehicle damage"
   ],
   "description": "Delayed report. Time estimated by radar. (DMX)",
   "sourceDetail": "Storm Prediction Center verified report",
   "evidenceLevel": "reported",
   "hailSizeInches": 2
  },
  {
   "id": "spc-2026-04-15-790-2138",
   "lat": 42,
   "lon": -92.65,
   "zip": "",
   "city": "Montour",
   "date": "2026-04-15",
   "county": "Tama",
   "source": "SPC Storm Reports",
   "severity": "high",
   "eventType": "hail",
   "confidence": 90,
   "damageTypes": [
    "Shingle bruising",
    "Granule displacement",
    "Metal denting",
    "Vehicle damage"
   ],
   "description": "Ping Pong to Golf Ball. (DMX)",
   "sourceDetail": "Storm Prediction Center verified report",
   "evidenceLevel": "reported",
   "hailSizeInches": 1.75
  },
  {
   "id": "spc-2026-04-15-792-2139",
   "lat": 42,
   "lon": -92.63,
   "zip": "",
   "city": "Toledo",
   "date": "2026-04-15",
   "county": "Tama",
   "source": "SPC Storm Reports",
   "severity": "severe",
   "eventType": "hail",
   "confidence": 90,
   "damageTypes": [
    "Shingle bruising",
    "Granule displacement",
    "Metal denting",
    "Vehicle damage"
   ],
   "description": "(DMX)",
   "sourceDetail": "Storm Prediction Center verified report",
   "evidenceLevel": "reported",
   "hailSizeInches": 2.5
  },
  {
   "id": "spc-2026-04-15-793-2140",
   "lat": 42,
   "lon": -92.63,
   "zip": "",
   "city": "Toledo",
   "date": "2026-04-15",
   "county": "Tama",
   "source": "SPC Storm Reports",
   "severity": "severe",
   "eventType": "hail",
   "confidence": 90,
   "damageTypes": [
    "Shingle bruising",
    "Granule displacement",
    "Metal denting",
    "Vehicle damage"
   ],
   "description": "(DMX)",
   "sourceDetail": "Storm Prediction Center verified report",
   "evidenceLevel": "reported",
   "hailSizeInches": 2
  },
  {
   "id": "spc-2026-04-15-817-0208",
   "lat": 42.02,
   "lon": -93.35,
   "zip": "",
   "city": "Colo",
   "date": "2026-04-15",
   "county": "Story",
   "source": "SPC Storm Reports",
   "severity": "high",
   "eventType": "hail",
   "confidence": 90,
   "damageTypes": [
    "Shingle bruising",
    "Granule displacement",
    "Metal denting",
    "Vehicle damage"
   ],
   "description": "(DMX)",
   "sourceDetail": "Storm Prediction Center verified report",
   "evidenceLevel": "reported",
   "hailSizeInches": 1
  },
  {
   "id": "iem-202604142154-hail-42.23--93.24",
   "lat": 42.23,
   "lon": -93.24,
   "zip": "",
   "city": "5 SW New Providence",
   "date": "2026-04-14",
   "county": "Hardin",
   "source": "IEM Local Storm Reports",
   "severity": "high",
   "eventType": "hail",
   "confidence": 92,
   "damageTypes": [
    "Shingle bruising",
    "Granule displacement",
    "Metal denting",
    "Vehicle damage"
   ],
   "description": "HAIL reported near 5 SW New Providence, IA. Hail size: 1\".",
   "sourceDetail": "NWS DMX — Trained Spotter via Iowa Mesonet",
   "evidenceLevel": "reported",
   "hailSizeInches": 1
  },
  {
   "id": "iem-202604150433-hail-41.74--92.72",
   "lat": 41.74,
   "lon": -92.72,
   "zip": "",
   "city": "Grinnell",
   "date": "2026-04-14",
   "county": "Poweshiek",
   "source": "IEM Local Storm Reports",
   "severity": "high",
   "eventType": "hail",
   "confidence": 92,
   "damageTypes": [
    "Shingle bruising",
    "Granule displacement",
    "Metal denting",
    "Vehicle damage"
   ],
   "description": "HAIL reported near Grinnell, IA. Hail size: 1\".",
   "sourceDetail": "NWS DMX — Storm Chaser via Iowa Mesonet",
   "evidenceLevel": "reported",
   "hailSizeInches": 1
  },
  {
   "id": "iem-geo-2026-04-14T20:20:00Z-tornado-42.35--93.10",
   "lat": 42.35,
   "lon": -93.1,
   "zip": "",
   "city": "1 S Eldora",
   "date": "2026-04-14",
   "county": "Hardin",
   "source": "IEM Local Storm Reports",
   "severity": "high",
   "eventType": "tornado",
   "confidence": 92,
   "damageTypes": [
    "Structural roof failure",
    "Debris penetration",
    "Complete shingle removal"
   ],
   "description": "TORNADO reported near 1 S Eldora, IA. Emergency Management relayed reports of a brief tornado touchdown just south of Eldora with damage to a building.",
   "sourceDetail": "NWS DMX — Emergency Mngr via Iowa Mesonet (GeoJSON)",
   "evidenceLevel": "reported"
  },
  {
   "id": "iem-geo-2026-04-14T20:20:00Z-tornado-42.36--93.06",
   "lat": 42.36,
   "lon": -93.06,
   "zip": "",
   "city": "2 E Eldora",
   "date": "2026-04-14",
   "county": "Hardin",
   "source": "IEM Local Storm Reports",
   "severity": "high",
   "eventType": "tornado",
   "confidence": 92,
   "damageTypes": [
    "Structural roof failure",
    "Debris penetration",
    "Complete shingle removal"
   ],
   "description": "TORNADO reported near 2 E Eldora, IA. Time and location estimated from radar.",
   "sourceDetail": "NWS DMX — Public via Iowa Mesonet (GeoJSON)",
   "evidenceLevel": "reported"
  },
  {
   "id": "spc-2026-04-14-853-2154",
   "lat": 42.23,
   "lon": -93.24,
   "zip": "",
   "city": "New Providence",
   "date": "2026-04-14",
   "county": "Hardin",
   "source": "SPC Storm Reports",
   "severity": "high",
   "eventType": "hail",
   "confidence": 90,
   "damageTypes": [
    "Shingle bruising",
    "Granule displacement",
    "Metal denting",
    "Vehicle damage"
   ],
   "description": "(DMX)",
   "sourceDetail": "Storm Prediction Center verified report",
   "evidenceLevel": "reported",
   "hailSizeInches": 1
  },
  {
   "id": "spc-2026-04-14-910-2020",
   "lat": 42.35,
   "lon": -93.1,
   "zip": "",
   "city": "Eldora",
   "date": "2026-04-14",
   "county": "Hardin",
   "source": "SPC Storm Reports",
   "severity": "moderate",
   "eventType": "tornado",
   "confidence": 90,
   "damageTypes": [
    "Structural roof failure",
    "Debris penetration",
    "Complete shingle removal"
   ],
   "description": "Emergency Management relayed reports of a brief tornado touchdown just south of Eldora with damage to a building. (DMX)",
   "sourceDetail": "Storm Prediction Center verified report",
   "evidenceLevel": "reported"
  },
  {
   "id": "asos-bf-MIW-2026-04-08",
   "lat": 42.1106,
   "lon": -92.9163,
   "zip": "",
   "city": "MARSHALLTOWN",
   "date": "2026-04-08",
   "county": "Marshall",
   "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": "MARSHALLTOWN (MIW) recorded a 54 mph gust.",
   "sourceDetail": "IA_ASOS automated observation — MARSHALLTOWN (MIW) [365d backfill 2026-08]",
   "windSpeedMph": 54,
   "evidenceLevel": "observed"
  },
  {
   "id": "asos-bf-MIW-2026-03-16",
   "lat": 42.1106,
   "lon": -92.9163,
   "zip": "",
   "city": "MARSHALLTOWN",
   "date": "2026-03-16",
   "county": "Marshall",
   "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": "MARSHALLTOWN (MIW) recorded a 53 mph gust.",
   "sourceDetail": "IA_ASOS automated observation — MARSHALLTOWN (MIW) [365d backfill 2026-08]",
   "windSpeedMph": 53,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2026-03-15-wind-42.12--92.92",
   "lat": 42.12,
   "lon": -92.92,
   "zip": "",
   "city": "4 E Albion",
   "date": "2026-03-15",
   "county": "Marshall",
   "source": "IEM 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 KMIW Marshalltown Airport.",
   "sourceDetail": "NWS DMX — ASOS via Iowa Mesonet",
   "windSpeedMph": 58,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-202603160353-wind-42.12--92.92",
   "lat": 42.12,
   "lon": -92.92,
   "zip": "",
   "city": "4 E Albion",
   "date": "2026-03-15",
   "county": "Marshall",
   "source": "IEM Local Storm Reports",
   "severity": "high",
   "eventType": "wind",
   "confidence": 92,
   "damageTypes": [
    "Roof shingle lift",
    "Soffit/fascia damage",
    "Tree strike risk",
    "Fence/screen damage"
   ],
   "description": "NON-TSTM WND GST reported near 4 E Albion, IA. Peak gust: 67 mph.",
   "sourceDetail": "NWS DMX — ASOS via Iowa Mesonet",
   "windSpeedMph": 67,
   "evidenceLevel": "observed"
  },
  {
   "id": "asos-bf-MIW-2026-03-13",
   "lat": 42.1106,
   "lon": -92.9163,
   "zip": "",
   "city": "MARSHALLTOWN",
   "date": "2026-03-13",
   "county": "Marshall",
   "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": "MARSHALLTOWN (MIW) recorded a 62 mph gust.",
   "sourceDetail": "IA_ASOS automated observation — MARSHALLTOWN (MIW) [365d backfill 2026-08]",
   "windSpeedMph": 62,
   "evidenceLevel": "observed"
  },
  {
   "id": "asos-bf-GGI-2026-03-13",
   "lat": 41.7097,
   "lon": -92.7332,
   "zip": "",
   "city": "Grinnell",
   "date": "2026-03-13",
   "county": "Poweshiek",
   "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": "Grinnell (GGI) recorded a 52 mph gust.",
   "sourceDetail": "IA_ASOS automated observation — Grinnell (GGI) [365d backfill 2026-08]",
   "windSpeedMph": 52,
   "evidenceLevel": "observed"
  },
  {
   "id": "asos-bf-MIW-2026-02-20",
   "lat": 42.1106,
   "lon": -92.9163,
   "zip": "",
   "city": "MARSHALLTOWN",
   "date": "2026-02-20",
   "county": "Marshall",
   "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": "MARSHALLTOWN (MIW) recorded a 50 mph gust.",
   "sourceDetail": "IA_ASOS automated observation — MARSHALLTOWN (MIW) [365d backfill 2026-08]",
   "windSpeedMph": 50,
   "evidenceLevel": "observed"
  },
  {
   "id": "asos-bf-MIW-2026-02-18",
   "lat": 42.1106,
   "lon": -92.9163,
   "zip": "",
   "city": "MARSHALLTOWN",
   "date": "2026-02-18",
   "county": "Marshall",
   "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": "MARSHALLTOWN (MIW) recorded a 55 mph gust.",
   "sourceDetail": "IA_ASOS automated observation — MARSHALLTOWN (MIW) [365d backfill 2026-08]",
   "windSpeedMph": 55,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2026-01-21-wind-42.12--92.92",
   "lat": 42.12,
   "lon": -92.92,
   "zip": "",
   "city": "4 E Albion",
   "date": "2026-01-21",
   "county": "Marshall",
   "source": "IEM 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 KMIW Marshalltown Airport.",
   "sourceDetail": "NWS DMX — ASOS via Iowa Mesonet",
   "windSpeedMph": 59,
   "evidenceLevel": "observed"
  },
  {
   "id": "asos-bf-MIW-2026-01-21",
   "lat": 42.1106,
   "lon": -92.9163,
   "zip": "",
   "city": "MARSHALLTOWN",
   "date": "2026-01-21",
   "county": "Marshall",
   "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": "MARSHALLTOWN (MIW) recorded a 59 mph gust.",
   "sourceDetail": "IA_ASOS automated observation — MARSHALLTOWN (MIW) [365d backfill 2026-08]",
   "windSpeedMph": 59,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-202601212249-wind-42.12--92.92",
   "lat": 42.12,
   "lon": -92.92,
   "zip": "",
   "city": "4 E Albion",
   "date": "2026-01-21",
   "county": "Marshall",
   "source": "IEM Local Storm Reports",
   "severity": "high",
   "eventType": "wind",
   "confidence": 92,
   "damageTypes": [
    "Roof shingle lift",
    "Soffit/fascia damage",
    "Tree strike risk",
    "Fence/screen damage"
   ],
   "description": "NON-TSTM WND GST reported near 4 E Albion, IA. Peak gust: 68 mph.",
   "sourceDetail": "NWS DMX — ASOS via Iowa Mesonet",
   "windSpeedMph": 68,
   "evidenceLevel": "observed"
  },
  {
   "id": "asos-bf-MIW-2026-01-18",
   "lat": 42.1106,
   "lon": -92.9163,
   "zip": "",
   "city": "MARSHALLTOWN",
   "date": "2026-01-18",
   "county": "Marshall",
   "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": "MARSHALLTOWN (MIW) recorded a 55 mph gust.",
   "sourceDetail": "IA_ASOS automated observation — MARSHALLTOWN (MIW) [365d backfill 2026-08]",
   "windSpeedMph": 55,
   "evidenceLevel": "observed"
  },
  {
   "id": "asos-bf-MIW-2026-01-16",
   "lat": 42.1106,
   "lon": -92.9163,
   "zip": "",
   "city": "MARSHALLTOWN",
   "date": "2026-01-16",
   "county": "Marshall",
   "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": "MARSHALLTOWN (MIW) recorded a 50 mph gust.",
   "sourceDetail": "IA_ASOS automated observation — MARSHALLTOWN (MIW) [365d backfill 2026-08]",
   "windSpeedMph": 50,
   "evidenceLevel": "observed"
  },
  {
   "id": "asos-bf-MIW-2026-01-14",
   "lat": 42.1106,
   "lon": -92.9163,
   "zip": "",
   "city": "MARSHALLTOWN",
   "date": "2026-01-14",
   "county": "Marshall",
   "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": "MARSHALLTOWN (MIW) recorded a 51 mph gust.",
   "sourceDetail": "IA_ASOS automated observation — MARSHALLTOWN (MIW) [365d backfill 2026-08]",
   "windSpeedMph": 51,
   "evidenceLevel": "observed"
  },
  {
   "id": "asos-bf-MIW-2025-12-29",
   "lat": 42.1106,
   "lon": -92.9163,
   "zip": "",
   "city": "MARSHALLTOWN",
   "date": "2025-12-29",
   "county": "Marshall",
   "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": "MARSHALLTOWN (MIW) recorded a 59 mph gust.",
   "sourceDetail": "IA_ASOS automated observation — MARSHALLTOWN (MIW) [365d backfill 2026-08]",
   "windSpeedMph": 59,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2025-12-28-wind-42.11--92.92",
   "lat": 42.11,
   "lon": -92.92,
   "zip": "",
   "city": "4 E Albion",
   "date": "2025-12-28",
   "county": "Marshall",
   "source": "IEM Local Storm Reports",
   "severity": "high",
   "eventType": "wind",
   "confidence": 0.92,
   "damageTypes": [
    "Roof shingle lift",
    "Soffit/fascia damage",
    "Tree strike risk",
    "Fence/screen damage"
   ],
   "description": "Measured at the Marshalltown airport.",
   "sourceDetail": "NWS DMX — ASOS via Iowa Mesonet",
   "windSpeedMph": 61,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-202512282225-wind-42.11--92.92",
   "lat": 42.11,
   "lon": -92.92,
   "zip": "",
   "city": "4 E Albion",
   "date": "2025-12-28",
   "county": "Marshall",
   "source": "IEM Local Storm Reports",
   "severity": "high",
   "eventType": "wind",
   "confidence": 92,
   "damageTypes": [
    "Roof shingle lift",
    "Soffit/fascia damage",
    "Tree strike risk",
    "Fence/screen damage"
   ],
   "description": "NON-TSTM WND GST reported near 4 E Albion, IA. Peak gust: 70 mph.",
   "sourceDetail": "NWS DMX — ASOS via Iowa Mesonet",
   "windSpeedMph": 70,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2025-12-18-wind-42.11--92.92",
   "lat": 42.11,
   "lon": -92.92,
   "zip": "",
   "city": "4 E Albion",
   "date": "2025-12-18",
   "county": "Marshall",
   "source": "IEM 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 4 E Albion",
   "sourceDetail": "NWS DMX — ASOS via Iowa Mesonet",
   "windSpeedMph": 59,
   "evidenceLevel": "observed"
  },
  {
   "id": "asos-bf-MIW-2025-12-18",
   "lat": 42.1106,
   "lon": -92.9163,
   "zip": "",
   "city": "MARSHALLTOWN",
   "date": "2025-12-18",
   "county": "Marshall",
   "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": "MARSHALLTOWN (MIW) recorded a 58 mph gust.",
   "sourceDetail": "IA_ASOS automated observation — MARSHALLTOWN (MIW) [365d backfill 2026-08]",
   "windSpeedMph": 58,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-202512190120-wind-42.11--92.92",
   "lat": 42.11,
   "lon": -92.92,
   "zip": "",
   "city": "4 E Albion",
   "date": "2025-12-18",
   "county": "Marshall",
   "source": "IEM Local Storm Reports",
   "severity": "high",
   "eventType": "wind",
   "confidence": 92,
   "damageTypes": [
    "Roof shingle lift",
    "Soffit/fascia damage",
    "Tree strike risk",
    "Fence/screen damage"
   ],
   "description": "NON-TSTM WND GST reported near 4 E Albion, IA. Peak gust: 68 mph.",
   "sourceDetail": "NWS DMX — ASOS via Iowa Mesonet",
   "windSpeedMph": 68,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2025-12-10-wind-42.11--92.92",
   "lat": 42.11,
   "lon": -92.92,
   "zip": "",
   "city": "4 E Albion",
   "date": "2025-12-10",
   "county": "Marshall",
   "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": "Sustained winds were 41 mph at 320 and 350am and 43 mph at 410am. Peak wind gust was 55 mph at 408am.",
   "sourceDetail": "NWS DMX — ASOS via Iowa Mesonet",
   "windSpeedMph": 55,
   "evidenceLevel": "observed"
  },
  {
   "id": "asos-bf-MIW-2025-12-10",
   "lat": 42.1106,
   "lon": -92.9163,
   "zip": "",
   "city": "MARSHALLTOWN",
   "date": "2025-12-10",
   "county": "Marshall",
   "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": "MARSHALLTOWN (MIW) recorded a 55 mph gust.",
   "sourceDetail": "IA_ASOS automated observation — MARSHALLTOWN (MIW) [365d backfill 2026-08]",
   "windSpeedMph": 55,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-202512101008-wind-42.11--92.92",
   "lat": 42.11,
   "lon": -92.92,
   "zip": "",
   "city": "4 E Albion",
   "date": "2025-12-10",
   "county": "Marshall",
   "source": "IEM Local Storm Reports",
   "severity": "high",
   "eventType": "wind",
   "confidence": 92,
   "damageTypes": [
    "Roof shingle lift",
    "Soffit/fascia damage",
    "Tree strike risk",
    "Fence/screen damage"
   ],
   "description": "NON-TSTM WND GST reported near 4 E Albion, IA. Peak gust: 63 mph.",
   "sourceDetail": "NWS DMX — ASOS via Iowa Mesonet",
   "windSpeedMph": 63,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2025-11-26-wind-42.12--92.92",
   "lat": 42.12,
   "lon": -92.92,
   "zip": "",
   "city": "4 E Albion",
   "date": "2025-11-26",
   "county": "Marshall",
   "source": "IEM 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 KMIW Marshalltown Airport.",
   "sourceDetail": "NWS DMX — ASOS via Iowa Mesonet",
   "windSpeedMph": 58,
   "evidenceLevel": "observed"
  },
  {
   "id": "asos-bf-GGI-2025-11-26",
   "lat": 41.7097,
   "lon": -92.7332,
   "zip": "",
   "city": "Grinnell",
   "date": "2025-11-26",
   "county": "Poweshiek",
   "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": "Grinnell (GGI) recorded a 51 mph gust.",
   "sourceDetail": "IA_ASOS automated observation — Grinnell (GGI) [365d backfill 2026-08]",
   "windSpeedMph": 51,
   "evidenceLevel": "observed"
  },
  {
   "id": "asos-bf-MIW-2025-11-26",
   "lat": 42.1106,
   "lon": -92.9163,
   "zip": "",
   "city": "MARSHALLTOWN",
   "date": "2025-11-26",
   "county": "Marshall",
   "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": "MARSHALLTOWN (MIW) recorded a 58 mph gust.",
   "sourceDetail": "IA_ASOS automated observation — MARSHALLTOWN (MIW) [365d backfill 2026-08]",
   "windSpeedMph": 58,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-202511260944-wind-42.12--92.92",
   "lat": 42.12,
   "lon": -92.92,
   "zip": "",
   "city": "4 E Albion",
   "date": "2025-11-26",
   "county": "Marshall",
   "source": "IEM Local Storm Reports",
   "severity": "high",
   "eventType": "wind",
   "confidence": 92,
   "damageTypes": [
    "Roof shingle lift",
    "Soffit/fascia damage",
    "Tree strike risk",
    "Fence/screen damage"
   ],
   "description": "NON-TSTM WND GST reported near 4 E Albion, IA. Peak gust: 67 mph.",
   "sourceDetail": "NWS DMX — ASOS via Iowa Mesonet",
   "windSpeedMph": 67,
   "evidenceLevel": "observed"
  },
  {
   "id": "asos-bf-MIW-2025-11-25",
   "lat": 42.1106,
   "lon": -92.9163,
   "zip": "",
   "city": "MARSHALLTOWN",
   "date": "2025-11-25",
   "county": "Marshall",
   "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": "MARSHALLTOWN (MIW) recorded a 54 mph gust.",
   "sourceDetail": "IA_ASOS automated observation — MARSHALLTOWN (MIW) [365d backfill 2026-08]",
   "windSpeedMph": 54,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-202509162046-hail-41.92--92.90",
   "lat": 41.92,
   "lon": -92.9,
   "zip": "",
   "city": "2 SW Ferguson",
   "date": "2025-09-16",
   "county": "Marshall",
   "source": "IEM Local Storm Reports",
   "severity": "moderate",
   "eventType": "hail",
   "confidence": 92,
   "damageTypes": [
    "Shingle bruising",
    "Granule displacement",
    "Metal denting",
    "Vehicle damage"
   ],
   "description": "HAIL reported near 2 SW Ferguson, IA. Hail size: 0.75\".",
   "sourceDetail": "NWS DMX — Public via Iowa Mesonet",
   "evidenceLevel": "reported",
   "hailSizeInches": 0.75
  }
 ]
}