{
 "dataset": "Moorhead, MN storm events — 12-month window, 25-mile radius plus Clay records (floods and special weather statements excluded, matching the city page)",
 "license": "https://www.stormauditor.com/data-license",
 "provenance": "Consolidated by StormAuditor from public NOAA/NWS records (warnings, Local Storm Reports, NCEI Storm Events) under the published methodology at https://www.stormauditor.com/methodology",
 "refreshed_at": "2026-09-20T08:00:25.36+00:00",
 "window_days": 365,
 "schema_version": "2.0.0",
 "event_count": 73,
 "fields": {
  "id": "stable event identifier (source-derived)",
  "date": "event date (YYYY-MM-DD, local storm day)",
  "county": "county or county-equivalent (may be blank)",
  "city": "place name from the source record (LSR names may carry a distance/direction prefix)",
  "zip": "ZIP code when the source provides one (may be blank)",
  "eventType": "hazard tag: wind | hail | tornado | flood | lightning",
  "severity": "StormAuditor severity bucket (low|moderate|high|severe)",
  "evidenceLevel": "evidence level of the source record (warning|observed|...)",
  "confidence": "StormAuditor confidence score for the record (0-1, may be absent)",
  "windSpeedMph": "reported/estimated wind gust, mph (absent if n/a)",
  "hailSizeInches": "reported/estimated hail size, inches (absent if n/a)",
  "tornadoScale": "EF-scale rating when the source provides one (absent if n/a)",
  "damageTypes": "damage tags from the source narrative (may be absent)",
  "description": "source narrative excerpt (may be absent)",
  "source": "originating public record (NWS warning, LSR, NCEI, ...)",
  "sourceDetail": "issuing office / product detail for the source (may be absent)",
  "originStation": "reporting station identifier when applicable (may be absent)",
  "warningProductKey": "NWS warning product key for warning-derived rows (may be absent)",
  "lat": "event latitude (WGS84, may be blank)",
  "lon": "event longitude (WGS84, may be blank)",
  "rawWindSpeedMph": "source-reported wind value before display screening, mph (may be absent)",
  "windSpeedDisclaimer": "set when the wind value is a warning-projected figure rather than a measurement (may be absent)"
 },
 "events": [
  {
   "id": "spc-2026-09-03-wind-47.05-54",
   "lat": 47.05,
   "lon": -96.58,
   "zip": "",
   "city": "4 WSW Felton",
   "date": "2026-09-03",
   "county": "Clay",
   "source": "SPC Storm Reports",
   "severity": "high",
   "eventType": "wind",
   "confidence": 0.93,
   "damageTypes": [
    "Roof shingle lift",
    "Soffit/fascia damage",
    "Tree strike risk",
    "Fence/screen damage"
   ],
   "description": "wind reported near 4 WSW Felton",
   "sourceDetail": "SPC filtered reports — 2026-09-03",
   "windSpeedMph": 59,
   "evidenceLevel": "reported"
  },
  {
   "id": "iem-ww-FGF-SV-W-178-Clay-wind-2026-09-03",
   "zip": "",
   "city": "Clay",
   "date": "2026-09-03",
   "county": "Clay",
   "source": "IEM Watch/Warn Archive",
   "severity": "high",
   "eventType": "wind",
   "confidence": 0.72,
   "damageTypes": [
    "Roof shingle lift",
    "Soffit/fascia damage",
    "Tree strike risk",
    "Fence/screen damage"
   ],
   "description": "Severe Thunderstorm Warning issued by NWS FGF for Clay on 2026-09-03. Storm tag wind: 60 mph. This is a warning — not a confirmed event.",
   "sourceDetail": "NWS FGF — Severe Thunderstorm Warning",
   "windSpeedMph": 60,
   "evidenceLevel": "warning",
   "warningProductKey": "FGF-SV-W-178"
  },
  {
   "id": "iem-ww-FGF-SV-W-178-Clay-hail-2026-09-03",
   "zip": "",
   "city": "Clay",
   "date": "2026-09-03",
   "county": "Clay",
   "source": "IEM Watch/Warn Archive",
   "severity": "high",
   "eventType": "hail",
   "confidence": 0.72,
   "damageTypes": [
    "Shingle bruising",
    "Granule displacement",
    "Metal denting",
    "Vehicle damage"
   ],
   "description": "Severe Thunderstorm Warning issued by NWS FGF for Clay on 2026-09-03. Storm tag hail: 1\". This is a warning — not a confirmed event.",
   "sourceDetail": "NWS FGF — Severe Thunderstorm Warning",
   "evidenceLevel": "warning",
   "hailSizeInches": 1,
   "warningProductKey": "FGF-SV-W-178"
  },
  {
   "id": "iem-ww-FGF-SV-W-177-Clay-wind-2026-09-03",
   "zip": "",
   "city": "Clay",
   "date": "2026-09-03",
   "county": "Clay",
   "source": "IEM Watch/Warn Archive",
   "severity": "high",
   "eventType": "wind",
   "confidence": 0.72,
   "damageTypes": [
    "Roof shingle lift",
    "Soffit/fascia damage",
    "Tree strike risk",
    "Fence/screen damage"
   ],
   "description": "Severe Thunderstorm Warning issued by NWS FGF for Clay on 2026-09-03. Storm tag wind: 60 mph. This is a warning — not a confirmed event.",
   "sourceDetail": "NWS FGF — Severe Thunderstorm Warning",
   "windSpeedMph": 60,
   "evidenceLevel": "warning",
   "warningProductKey": "FGF-SV-W-177"
  },
  {
   "id": "iem-ww-FGF-SV-W-177-Clay-hail-2026-09-03",
   "zip": "",
   "city": "Clay",
   "date": "2026-09-03",
   "county": "Clay",
   "source": "IEM Watch/Warn Archive",
   "severity": "high",
   "eventType": "hail",
   "confidence": 0.72,
   "damageTypes": [
    "Shingle bruising",
    "Granule displacement",
    "Metal denting",
    "Vehicle damage"
   ],
   "description": "Severe Thunderstorm Warning issued by NWS FGF for Clay on 2026-09-03. Storm tag hail: 1\". This is a warning — not a confirmed event.",
   "sourceDetail": "NWS FGF — Severe Thunderstorm Warning",
   "evidenceLevel": "warning",
   "hailSizeInches": 1,
   "warningProductKey": "FGF-SV-W-177"
  },
  {
   "id": "spc-2026-08-17-hail-46.98-2",
   "lat": 46.98,
   "lon": -96.5,
   "zip": "",
   "city": "2 ENE Averill",
   "date": "2026-08-17",
   "county": "Clay",
   "source": "SPC Storm Reports",
   "severity": "high",
   "eventType": "hail",
   "confidence": 0.93,
   "damageTypes": [
    "Shingle bruising",
    "Granule displacement",
    "Metal denting",
    "Vehicle damage"
   ],
   "description": "hail reported near 2 ENE Averill",
   "sourceDetail": "SPC filtered reports — 2026-08-17",
   "evidenceLevel": "reported",
   "hailSizeInches": 1
  },
  {
   "id": "nws-alert-7f1f322920030efe.001-Clay-wind",
   "zip": "",
   "city": "Clay",
   "date": "2026-08-17",
   "county": "Clay",
   "source": "NWS Weather Alert",
   "severity": "high",
   "eventType": "wind",
   "confidence": 88,
   "damageTypes": [
    "Roof shingle lift",
    "Soffit/fascia damage",
    "Tree strike risk",
    "Fence/screen damage"
   ],
   "description": "Severe Thunderstorm Warning for Clay. Severe Thunderstorm Warning issued August 17 at 3:55PM CDT until August 17 at 4:15PM CDT by NWS Grand Forks ND",
   "sourceDetail": "NWS Grand Forks ND — Severe Thunderstorm Warning",
   "windSpeedMph": 60,
   "evidenceLevel": "warning",
   "warningProductKey": "FGF-SV-W-153"
  },
  {
   "id": "iem-ww-FGF-SV-W-153-Clay-hail-2026-08-17",
   "zip": "",
   "city": "Clay",
   "date": "2026-08-17",
   "county": "Clay",
   "source": "IEM Watch/Warn Archive",
   "severity": "high",
   "eventType": "hail",
   "confidence": 0.72,
   "damageTypes": [
    "Shingle bruising",
    "Granule displacement",
    "Metal denting",
    "Vehicle damage"
   ],
   "description": "Severe Thunderstorm Warning issued by NWS FGF for Clay on 2026-08-17. Storm tag hail: 1\". This is a warning — not a confirmed event.",
   "sourceDetail": "NWS FGF — Severe Thunderstorm Warning",
   "evidenceLevel": "warning",
   "hailSizeInches": 1,
   "warningProductKey": "FGF-SV-W-153"
  },
  {
   "id": "iem-lsr-2026-08-12-wind-46.82--96.80",
   "lat": 46.82,
   "lon": -96.8,
   "zip": "",
   "city": "4 S Fargo",
   "date": "2026-08-12",
   "county": "Clay",
   "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": "Wind Gust recorded on Personal Weather Station in the Prairie Rose area.",
   "sourceDetail": "NWS FGF — Mesonet via Iowa Mesonet",
   "windSpeedMph": 50,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-ww-FGF-SV-W-152-Clay-wind-2026-08-12",
   "zip": "",
   "city": "Clay",
   "date": "2026-08-12",
   "county": "Clay",
   "source": "IEM Watch/Warn Archive",
   "severity": "high",
   "eventType": "wind",
   "confidence": 0.72,
   "damageTypes": [
    "Roof shingle lift",
    "Soffit/fascia damage",
    "Tree strike risk",
    "Fence/screen damage"
   ],
   "description": "Severe Thunderstorm Warning issued by NWS FGF for Clay on 2026-08-12. Storm tag wind: 60 mph. This is a warning — not a confirmed event.",
   "sourceDetail": "NWS FGF — Severe Thunderstorm Warning",
   "windSpeedMph": 60,
   "evidenceLevel": "warning",
   "warningProductKey": "FGF-SV-W-152"
  },
  {
   "id": "iem-ww-FGF-SV-W-152-Clay-hail-2026-08-12",
   "zip": "",
   "city": "Clay",
   "date": "2026-08-12",
   "county": "Clay",
   "source": "IEM Watch/Warn Archive",
   "severity": "moderate",
   "eventType": "hail",
   "confidence": 0.72,
   "damageTypes": [
    "Shingle bruising",
    "Granule displacement",
    "Metal denting",
    "Vehicle damage"
   ],
   "description": "Severe Thunderstorm Warning issued by NWS FGF for Clay on 2026-08-12. Storm tag hail: 0.75\". This is a warning — not a confirmed event.",
   "sourceDetail": "NWS FGF — Severe Thunderstorm Warning",
   "evidenceLevel": "warning",
   "hailSizeInches": 0.75,
   "warningProductKey": "FGF-SV-W-152"
  },
  {
   "id": "iem-ww-FGF-SV-W-151-Clay-wind-2026-08-12",
   "zip": "",
   "city": "Clay",
   "date": "2026-08-12",
   "county": "Clay",
   "source": "IEM Watch/Warn Archive",
   "severity": "high",
   "eventType": "wind",
   "confidence": 0.72,
   "damageTypes": [
    "Roof shingle lift",
    "Soffit/fascia damage",
    "Tree strike risk",
    "Fence/screen damage"
   ],
   "description": "Severe Thunderstorm Warning issued by NWS FGF for Clay on 2026-08-12. Storm tag wind: 60 mph. This is a warning — not a confirmed event.",
   "sourceDetail": "NWS FGF — Severe Thunderstorm Warning",
   "windSpeedMph": 60,
   "evidenceLevel": "warning",
   "warningProductKey": "FGF-SV-W-151"
  },
  {
   "id": "iem-ww-FGF-SV-W-151-Clay-hail-2026-08-12",
   "zip": "",
   "city": "Clay",
   "date": "2026-08-12",
   "county": "Clay",
   "source": "IEM Watch/Warn Archive",
   "severity": "moderate",
   "eventType": "hail",
   "confidence": 0.72,
   "damageTypes": [
    "Shingle bruising",
    "Granule displacement",
    "Metal denting",
    "Vehicle damage"
   ],
   "description": "Severe Thunderstorm Warning issued by NWS FGF for Clay on 2026-08-12. Storm tag hail: 0.75\". This is a warning — not a confirmed event.",
   "sourceDetail": "NWS FGF — Severe Thunderstorm Warning",
   "evidenceLevel": "warning",
   "hailSizeInches": 0.75,
   "warningProductKey": "FGF-SV-W-151"
  },
  {
   "id": "nws-alert-151c93d367cfcba7.002-Clay-wind",
   "zip": "",
   "city": "Clay",
   "date": "2026-08-03",
   "county": "Clay",
   "source": "NWS Weather Alert",
   "severity": "high",
   "eventType": "wind",
   "confidence": 72,
   "damageTypes": [
    "Roof shingle lift",
    "Soffit/fascia damage",
    "Tree strike risk",
    "Fence/screen damage"
   ],
   "description": "Severe Thunderstorm Watch for Clay. Severe Thunderstorm Watch issued August 3 at 8:40PM CDT until August 4 at 1:00AM CDT by NWS Grand Forks ND",
   "sourceDetail": "NWS Grand Forks ND — Severe Thunderstorm Watch",
   "evidenceLevel": "warning",
   "warningProductKey": "FGF-SV-A-537"
  },
  {
   "id": "iem-ww-FGF-SV-W-88-Clay-wind-2026-07-06",
   "zip": "",
   "city": "Clay",
   "date": "2026-07-06",
   "county": "Clay",
   "source": "IEM Watch/Warn Archive",
   "severity": "high",
   "eventType": "wind",
   "confidence": 0.72,
   "damageTypes": [
    "Roof shingle lift",
    "Soffit/fascia damage",
    "Tree strike risk",
    "Fence/screen damage"
   ],
   "description": "Severe Thunderstorm Warning issued by NWS FGF for Clay on 2026-07-06. Storm tag wind: 60 mph. This is a warning — not a confirmed event.",
   "sourceDetail": "NWS FGF — Severe Thunderstorm Warning",
   "windSpeedMph": 60,
   "evidenceLevel": "warning",
   "warningProductKey": "FGF-SV-W-88"
  },
  {
   "id": "iem-ww-FGF-SV-W-88-Clay-hail-2026-07-06",
   "zip": "",
   "city": "Clay",
   "date": "2026-07-06",
   "county": "Clay",
   "source": "IEM Watch/Warn Archive",
   "severity": "high",
   "eventType": "hail",
   "confidence": 0.72,
   "damageTypes": [
    "Shingle bruising",
    "Granule displacement",
    "Metal denting",
    "Vehicle damage"
   ],
   "description": "Severe Thunderstorm Warning issued by NWS FGF for Clay on 2026-07-06. Storm tag hail: 1.25\". This is a warning — not a confirmed event.",
   "sourceDetail": "NWS FGF — Severe Thunderstorm Warning",
   "evidenceLevel": "warning",
   "hailSizeInches": 1.25,
   "warningProductKey": "FGF-SV-W-88"
  },
  {
   "id": "iem-ww-FGF-SV-W-77-Clay-wind-2026-07-04",
   "zip": "",
   "city": "Clay",
   "date": "2026-07-04",
   "county": "Clay",
   "source": "IEM Watch/Warn Archive",
   "severity": "high",
   "eventType": "wind",
   "confidence": 0.72,
   "damageTypes": [
    "Roof shingle lift",
    "Soffit/fascia damage",
    "Tree strike risk",
    "Fence/screen damage"
   ],
   "description": "Severe Thunderstorm Warning issued by NWS FGF for Clay on 2026-07-04. Storm tag wind: 60 mph. This is a warning — not a confirmed event.",
   "sourceDetail": "NWS FGF — Severe Thunderstorm Warning",
   "windSpeedMph": 60,
   "evidenceLevel": "warning",
   "warningProductKey": "FGF-SV-W-77"
  },
  {
   "id": "iem-ww-FGF-SV-W-77-Clay-hail-2026-07-04",
   "zip": "",
   "city": "Clay",
   "date": "2026-07-04",
   "county": "Clay",
   "source": "IEM Watch/Warn Archive",
   "severity": "high",
   "eventType": "hail",
   "confidence": 0.72,
   "damageTypes": [
    "Shingle bruising",
    "Granule displacement",
    "Metal denting",
    "Vehicle damage"
   ],
   "description": "Severe Thunderstorm Warning issued by NWS FGF for Clay on 2026-07-04. Storm tag hail: 1\". This is a warning — not a confirmed event.",
   "sourceDetail": "NWS FGF — Severe Thunderstorm Warning",
   "evidenceLevel": "warning",
   "hailSizeInches": 1,
   "warningProductKey": "FGF-SV-W-77"
  },
  {
   "id": "iem-lsr-2026-06-29-hail-46.83--96.78",
   "lat": 46.83,
   "lon": -96.78,
   "zip": "",
   "city": "2 SSW Moorhead",
   "date": "2026-06-29",
   "county": "Clay",
   "source": "IEM Local Storm Reports",
   "severity": "severe",
   "eventType": "hail",
   "confidence": 0.92,
   "damageTypes": [
    "Shingle bruising",
    "Granule displacement",
    "Metal denting",
    "Vehicle damage"
   ],
   "description": "Time estimated via radar.",
   "sourceDetail": "NWS FGF — Public via Iowa Mesonet",
   "evidenceLevel": "reported",
   "hailSizeInches": 3
  },
  {
   "id": "iem-lsr-2026-06-29-hail-46.87--96.75",
   "lat": 46.87,
   "lon": -96.75,
   "zip": "",
   "city": "Moorhead",
   "date": "2026-06-29",
   "county": "Clay",
   "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 Moorhead",
   "sourceDetail": "NWS FGF — Trained Spotter via Iowa Mesonet",
   "evidenceLevel": "reported",
   "hailSizeInches": 1.75
  },
  {
   "id": "iem-lsr-2026-06-29-hail-46.83--96.77",
   "lat": 46.83,
   "lon": -96.77,
   "zip": "",
   "city": "3 S Moorhead",
   "date": "2026-06-29",
   "county": "Clay",
   "source": "IEM Local Storm Reports",
   "severity": "severe",
   "eventType": "hail",
   "confidence": 0.92,
   "damageTypes": [
    "Shingle bruising",
    "Granule displacement",
    "Metal denting",
    "Vehicle damage"
   ],
   "description": "Delayed LSR Report from mPING: Hen Egg (2.00 in.).",
   "sourceDetail": "NWS FGF — Public via Iowa Mesonet",
   "evidenceLevel": "reported",
   "hailSizeInches": 2
  },
  {
   "id": "iem-lsr-2026-06-29-hail-46.84--96.73",
   "lat": 46.84,
   "lon": -96.73,
   "zip": "",
   "city": "2 SE Moorhead",
   "date": "2026-06-29",
   "county": "Clay",
   "source": "IEM Local Storm Reports",
   "severity": "high",
   "eventType": "hail",
   "confidence": 0.92,
   "damageTypes": [
    "Shingle bruising",
    "Granule displacement",
    "Metal denting",
    "Vehicle damage"
   ],
   "description": "Delayed LSR Report from mPING: Half Dollar (1.25 in.).",
   "sourceDetail": "NWS FGF — Public via Iowa Mesonet",
   "evidenceLevel": "reported",
   "hailSizeInches": 1.25
  },
  {
   "id": "iem-lsr-2026-06-29-hail-46.86--96.72",
   "lat": 46.86,
   "lon": -96.72,
   "zip": "",
   "city": "1 SW Dilworth",
   "date": "2026-06-29",
   "county": "Clay",
   "source": "IEM Local Storm Reports",
   "severity": "high",
   "eventType": "hail",
   "confidence": 0.92,
   "damageTypes": [
    "Shingle bruising",
    "Granule displacement",
    "Metal denting",
    "Vehicle damage"
   ],
   "description": "Delayed LSR Report from mPING: Ping Pong Ball (1.50 in.).",
   "sourceDetail": "NWS FGF — Public via Iowa Mesonet",
   "evidenceLevel": "reported",
   "hailSizeInches": 1.5
  },
  {
   "id": "iem-lsr-2026-06-29-hail-46.88--96.70",
   "lat": 46.88,
   "lon": -96.7,
   "zip": "",
   "city": "Dilworth",
   "date": "2026-06-29",
   "county": "Clay",
   "source": "IEM Local Storm Reports",
   "severity": "severe",
   "eventType": "hail",
   "confidence": 0.92,
   "damageTypes": [
    "Shingle bruising",
    "Granule displacement",
    "Metal denting",
    "Vehicle damage"
   ],
   "description": "Delayed report.",
   "sourceDetail": "NWS FGF — Public via Iowa Mesonet",
   "evidenceLevel": "reported",
   "hailSizeInches": 2
  },
  {
   "id": "iem-lsr-2026-06-29-hail-46.86--96.72",
   "lat": 46.86,
   "lon": -96.72,
   "zip": "",
   "city": "1 E Moorhead",
   "date": "2026-06-29",
   "county": "Clay",
   "source": "IEM Local Storm Reports",
   "severity": "high",
   "eventType": "hail",
   "confidence": 0.92,
   "damageTypes": [
    "Shingle bruising",
    "Granule displacement",
    "Metal denting",
    "Vehicle damage"
   ],
   "description": "Delayed LSR Report from mPING: Quarter (1.00 in.).",
   "sourceDetail": "NWS FGF — Public via Iowa Mesonet",
   "evidenceLevel": "reported",
   "hailSizeInches": 1
  },
  {
   "id": "iem-lsr-2026-06-29-hail-46.87--96.74",
   "lat": 46.87,
   "lon": -96.74,
   "zip": "",
   "city": "1 NE Moorhead",
   "date": "2026-06-29",
   "county": "Clay",
   "source": "IEM Local Storm Reports",
   "severity": "high",
   "eventType": "hail",
   "confidence": 0.92,
   "damageTypes": [
    "Shingle bruising",
    "Granule displacement",
    "Metal denting",
    "Vehicle damage"
   ],
   "description": "HAIL reported near 1 NE Moorhead",
   "sourceDetail": "NWS FGF — Public via Iowa Mesonet",
   "evidenceLevel": "reported",
   "hailSizeInches": 1.75
  },
  {
   "id": "iem-lsr-2026-06-29-wind-46.80--96.62",
   "lat": 46.8,
   "lon": -96.62,
   "zip": "",
   "city": "2 NE Sabin",
   "date": "2026-06-29",
   "county": "Clay",
   "source": "IEM Local Storm Reports",
   "severity": "high",
   "eventType": "wind",
   "confidence": 0.92,
   "damageTypes": [
    "Roof shingle lift",
    "Soffit/fascia damage",
    "Tree strike risk",
    "Fence/screen damage"
   ],
   "description": "NDAWN.",
   "sourceDetail": "NWS FGF — Mesonet via Iowa Mesonet",
   "windSpeedMph": 61,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2026-06-29-wind-46.86--96.56",
   "lat": 46.86,
   "lon": -96.56,
   "zip": "",
   "city": "1 SE Glyndon",
   "date": "2026-06-29",
   "county": "Clay",
   "source": "IEM Local Storm Reports",
   "severity": "high",
   "eventType": "wind",
   "confidence": 0.92,
   "damageTypes": [
    "Roof shingle lift",
    "Soffit/fascia damage",
    "Tree strike risk",
    "Fence/screen damage"
   ],
   "description": "NDAWN.",
   "sourceDetail": "NWS FGF — Mesonet via Iowa Mesonet",
   "windSpeedMph": 61,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2026-06-29-wind-46.85--96.67",
   "lat": 46.85,
   "lon": -96.67,
   "zip": "",
   "city": "2 SE Dilworth",
   "date": "2026-06-29",
   "county": "Clay",
   "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 MN013 Dilworth MN DOT.",
   "sourceDetail": "NWS FGF — Mesonet via Iowa Mesonet",
   "windSpeedMph": 54,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2026-06-29-wind-46.84--96.65",
   "lat": 46.84,
   "lon": -96.65,
   "zip": "",
   "city": "3 SE Dilworth",
   "date": "2026-06-29",
   "county": "Clay",
   "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": "Personal Weather Station.",
   "sourceDetail": "NWS FGF — Mesonet via Iowa Mesonet",
   "windSpeedMph": 54,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2026-06-29-wind-46.85--96.73",
   "lat": 46.85,
   "lon": -96.73,
   "zip": "",
   "city": "2 SW Dilworth",
   "date": "2026-06-29",
   "county": "Clay",
   "source": "IEM Local Storm Reports",
   "severity": "high",
   "eventType": "wind",
   "confidence": 0.92,
   "damageTypes": [
    "Roof shingle lift",
    "Soffit/fascia damage",
    "Tree strike risk",
    "Fence/screen damage"
   ],
   "description": "Personal Weather Station.",
   "sourceDetail": "NWS FGF — Mesonet via Iowa Mesonet",
   "windSpeedMph": 68,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2026-06-29-wind-46.84--96.73",
   "lat": 46.84,
   "lon": -96.73,
   "zip": "",
   "city": "2 SE Moorhead",
   "date": "2026-06-29",
   "county": "Clay",
   "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": "Personal Weather Station.",
   "sourceDetail": "NWS FGF — Mesonet via Iowa Mesonet",
   "windSpeedMph": 53,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2026-06-29-wind-46.86--96.74",
   "lat": 46.86,
   "lon": -96.74,
   "zip": "",
   "city": "2 WSW Dilworth",
   "date": "2026-06-29",
   "county": "Clay",
   "source": "IEM Local Storm Reports",
   "severity": "high",
   "eventType": "wind",
   "confidence": 0.92,
   "damageTypes": [
    "Roof shingle lift",
    "Soffit/fascia damage",
    "Tree strike risk",
    "Fence/screen damage"
   ],
   "description": "Personal Weather Station.",
   "sourceDetail": "NWS FGF — Mesonet via Iowa Mesonet",
   "windSpeedMph": 63,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2026-06-29-wind-46.80--96.59",
   "lat": 46.8,
   "lon": -96.59,
   "zip": "",
   "city": "3 ENE Sabin",
   "date": "2026-06-29",
   "county": "Clay",
   "source": "IEM Local Storm Reports",
   "severity": "high",
   "eventType": "wind",
   "confidence": 0.92,
   "damageTypes": [
    "Roof shingle lift",
    "Soffit/fascia damage",
    "Tree strike risk",
    "Fence/screen damage"
   ],
   "description": "Personal Weather Station.",
   "sourceDetail": "NWS FGF — Mesonet via Iowa Mesonet",
   "windSpeedMph": 62,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-geo-2026-06-29-tornado-46.95--96.39",
   "lat": 46.95,
   "lon": -96.39,
   "zip": "",
   "city": "6 NW Hawley",
   "date": "2026-06-29",
   "county": "Clay",
   "source": "IEM Local Storm Reports",
   "severity": "moderate",
   "eventType": "tornado",
   "confidence": 0.9,
   "damageTypes": [
    "Structural roof failure",
    "Debris penetration",
    "Complete shingle removal"
   ],
   "description": "Delayed: estimated location of a brief tornado.",
   "sourceDetail": "NWS FGF — Trained Spotter via Iowa Mesonet (GeoJSON)",
   "evidenceLevel": "reported"
  },
  {
   "id": "iem-ww-FGF-SV-W-63-Clay-wind-2026-06-29",
   "zip": "",
   "city": "Clay",
   "date": "2026-06-29",
   "county": "Clay",
   "source": "IEM Watch/Warn Archive",
   "severity": "high",
   "eventType": "wind",
   "confidence": 0.72,
   "damageTypes": [
    "Roof shingle lift",
    "Soffit/fascia damage",
    "Tree strike risk",
    "Fence/screen damage"
   ],
   "description": "Severe Thunderstorm Warning issued by NWS FGF for Clay on 2026-06-29. Storm tag wind: 60 mph. This is a warning — not a confirmed event.",
   "sourceDetail": "NWS FGF — Severe Thunderstorm Warning",
   "windSpeedMph": 60,
   "evidenceLevel": "warning",
   "warningProductKey": "FGF-SV-W-63"
  },
  {
   "id": "iem-ww-FGF-SV-W-63-Clay-hail-2026-06-29",
   "zip": "",
   "city": "Clay",
   "date": "2026-06-29",
   "county": "Clay",
   "source": "IEM Watch/Warn Archive",
   "severity": "high",
   "eventType": "hail",
   "confidence": 0.72,
   "damageTypes": [
    "Shingle bruising",
    "Granule displacement",
    "Metal denting",
    "Vehicle damage"
   ],
   "description": "Severe Thunderstorm Warning issued by NWS FGF for Clay on 2026-06-29. Storm tag hail: 1.75\". This is a warning — not a confirmed event.",
   "sourceDetail": "NWS FGF — Severe Thunderstorm Warning",
   "evidenceLevel": "warning",
   "hailSizeInches": 1.75,
   "warningProductKey": "FGF-SV-W-63"
  },
  {
   "id": "iem-ww-FGF-SV-W-65-Clay-wind-2026-06-29",
   "zip": "",
   "city": "Clay",
   "date": "2026-06-29",
   "county": "Clay",
   "source": "IEM Watch/Warn Archive",
   "severity": "high",
   "eventType": "wind",
   "confidence": 0.72,
   "damageTypes": [
    "Roof shingle lift",
    "Soffit/fascia damage",
    "Tree strike risk",
    "Fence/screen damage"
   ],
   "description": "Severe Thunderstorm Warning issued by NWS FGF for Clay on 2026-06-29. Storm tag wind: 60 mph. This is a warning — not a confirmed event.",
   "sourceDetail": "NWS FGF — Severe Thunderstorm Warning",
   "windSpeedMph": 60,
   "evidenceLevel": "warning",
   "warningProductKey": "FGF-SV-W-65"
  },
  {
   "id": "iem-ww-FGF-SV-W-65-Clay-hail-2026-06-29",
   "zip": "",
   "city": "Clay",
   "date": "2026-06-29",
   "county": "Clay",
   "source": "IEM Watch/Warn Archive",
   "severity": "high",
   "eventType": "hail",
   "confidence": 0.72,
   "damageTypes": [
    "Shingle bruising",
    "Granule displacement",
    "Metal denting",
    "Vehicle damage"
   ],
   "description": "Severe Thunderstorm Warning issued by NWS FGF for Clay on 2026-06-29. Storm tag hail: 1\". This is a warning — not a confirmed event.",
   "sourceDetail": "NWS FGF — Severe Thunderstorm Warning",
   "evidenceLevel": "warning",
   "hailSizeInches": 1,
   "warningProductKey": "FGF-SV-W-65"
  },
  {
   "id": "iem-ww-FGF-SV-W-57-Clay-wind-2026-06-29",
   "zip": "",
   "city": "Clay",
   "date": "2026-06-29",
   "county": "Clay",
   "source": "IEM Watch/Warn Archive",
   "severity": "high",
   "eventType": "wind",
   "confidence": 0.72,
   "damageTypes": [
    "Roof shingle lift",
    "Soffit/fascia damage",
    "Tree strike risk",
    "Fence/screen damage"
   ],
   "description": "Severe Thunderstorm Warning issued by NWS FGF for Clay on 2026-06-29. Storm tag wind: 70 mph. This is a warning — not a confirmed event.",
   "sourceDetail": "NWS FGF — Severe Thunderstorm Warning",
   "windSpeedMph": 70,
   "evidenceLevel": "warning",
   "warningProductKey": "FGF-SV-W-57"
  },
  {
   "id": "iem-ww-FGF-SV-W-57-Clay-hail-2026-06-29",
   "zip": "",
   "city": "Clay",
   "date": "2026-06-29",
   "county": "Clay",
   "source": "IEM Watch/Warn Archive",
   "severity": "high",
   "eventType": "hail",
   "confidence": 0.72,
   "damageTypes": [
    "Shingle bruising",
    "Granule displacement",
    "Metal denting",
    "Vehicle damage"
   ],
   "description": "Severe Thunderstorm Warning issued by NWS FGF for Clay on 2026-06-29. Storm tag hail: 1\". This is a warning — not a confirmed event.",
   "sourceDetail": "NWS FGF — Severe Thunderstorm Warning",
   "evidenceLevel": "warning",
   "hailSizeInches": 1,
   "warningProductKey": "FGF-SV-W-57"
  },
  {
   "id": "iem-ww-FGF-SV-W-62-Clay-wind-2026-06-29",
   "zip": "",
   "city": "Clay",
   "date": "2026-06-29",
   "county": "Clay",
   "source": "IEM Watch/Warn Archive",
   "severity": "high",
   "eventType": "wind",
   "confidence": 0.72,
   "damageTypes": [
    "Roof shingle lift",
    "Soffit/fascia damage",
    "Tree strike risk",
    "Fence/screen damage"
   ],
   "description": "Severe Thunderstorm Warning issued by NWS FGF for Clay on 2026-06-29. Storm tag wind: 60 mph. This is a warning — not a confirmed event.",
   "sourceDetail": "NWS FGF — Severe Thunderstorm Warning",
   "windSpeedMph": 60,
   "evidenceLevel": "warning",
   "warningProductKey": "FGF-SV-W-62"
  },
  {
   "id": "iem-ww-FGF-SV-W-62-Clay-hail-2026-06-29",
   "zip": "",
   "city": "Clay",
   "date": "2026-06-29",
   "county": "Clay",
   "source": "IEM Watch/Warn Archive",
   "severity": "high",
   "eventType": "hail",
   "confidence": 0.72,
   "damageTypes": [
    "Shingle bruising",
    "Granule displacement",
    "Metal denting",
    "Vehicle damage"
   ],
   "description": "Severe Thunderstorm Warning issued by NWS FGF for Clay on 2026-06-29. Storm tag hail: 1.25\". This is a warning — not a confirmed event.",
   "sourceDetail": "NWS FGF — Severe Thunderstorm Warning",
   "evidenceLevel": "warning",
   "hailSizeInches": 1.25,
   "warningProductKey": "FGF-SV-W-62"
  },
  {
   "id": "iem-ww-FGF-TO-W-11-Clay-tornado-2026-06-29",
   "zip": "",
   "city": "Clay",
   "date": "2026-06-29",
   "county": "Clay",
   "source": "IEM Watch/Warn Archive",
   "severity": "severe",
   "eventType": "tornado",
   "confidence": 0.85,
   "damageTypes": [
    "Structural roof failure",
    "Debris penetration",
    "Complete shingle removal"
   ],
   "description": "Tornado Warning issued by NWS FGF for Clay on 2026-06-29. This is a warning — not a confirmed event.",
   "sourceDetail": "NWS FGF — Tornado Warning",
   "evidenceLevel": "warning",
   "warningProductKey": "FGF-TO-W-11"
  },
  {
   "id": "iem-ww-FGF-TO-W-9-Clay-tornado-2026-06-29",
   "zip": "",
   "city": "Clay",
   "date": "2026-06-29",
   "county": "Clay",
   "source": "IEM Watch/Warn Archive",
   "severity": "severe",
   "eventType": "tornado",
   "confidence": 0.85,
   "damageTypes": [
    "Structural roof failure",
    "Debris penetration",
    "Complete shingle removal"
   ],
   "description": "Tornado Warning issued by NWS FGF for Clay on 2026-06-29. This is a warning — not a confirmed event.",
   "sourceDetail": "NWS FGF — Tornado Warning",
   "evidenceLevel": "warning",
   "warningProductKey": "FGF-TO-W-9"
  },
  {
   "id": "iem-ww-FGF-HW-W-4-Clay-wind-2026-06-29",
   "zip": "",
   "city": "Clay",
   "date": "2026-06-29",
   "county": "Clay",
   "source": "IEM High Wind Archive",
   "severity": "high",
   "eventType": "wind",
   "confidence": 0.72,
   "damageTypes": [
    "Roof shingle lift",
    "Soffit/fascia damage",
    "Tree strike risk",
    "Fence/screen damage"
   ],
   "description": "HW W for Clay.",
   "sourceDetail": "NWS FGF — HW/W",
   "evidenceLevel": "warning",
   "warningProductKey": "FGF-HW-W-4"
  },
  {
   "id": "iem-ww-FGF-SV-W-44-Clay-wind-2026-06-19",
   "zip": "",
   "city": "Clay",
   "date": "2026-06-19",
   "county": "Clay",
   "source": "IEM Watch/Warn Archive",
   "severity": "high",
   "eventType": "wind",
   "confidence": 0.72,
   "damageTypes": [
    "Roof shingle lift",
    "Soffit/fascia damage",
    "Tree strike risk",
    "Fence/screen damage"
   ],
   "description": "Severe Thunderstorm Warning issued by NWS FGF for Clay on 2026-06-19. Storm tag wind: 60 mph. This is a warning — not a confirmed event.",
   "sourceDetail": "NWS FGF — Severe Thunderstorm Warning",
   "windSpeedMph": 60,
   "evidenceLevel": "warning",
   "warningProductKey": "FGF-SV-W-44"
  },
  {
   "id": "iem-ww-FGF-SV-W-44-Clay-hail-2026-06-19",
   "zip": "",
   "city": "Clay",
   "date": "2026-06-19",
   "county": "Clay",
   "source": "IEM Watch/Warn Archive",
   "severity": "high",
   "eventType": "hail",
   "confidence": 0.72,
   "damageTypes": [
    "Shingle bruising",
    "Granule displacement",
    "Metal denting",
    "Vehicle damage"
   ],
   "description": "Severe Thunderstorm Warning issued by NWS FGF for Clay on 2026-06-19. Storm tag hail: 1\". This is a warning — not a confirmed event.",
   "sourceDetail": "NWS FGF — Severe Thunderstorm Warning",
   "evidenceLevel": "warning",
   "hailSizeInches": 1,
   "warningProductKey": "FGF-SV-W-44"
  },
  {
   "id": "iem-ww-FGF-SV-W-45-Clay-wind-2026-06-19",
   "zip": "",
   "city": "Clay",
   "date": "2026-06-19",
   "county": "Clay",
   "source": "IEM Watch/Warn Archive",
   "severity": "high",
   "eventType": "wind",
   "confidence": 0.72,
   "damageTypes": [
    "Roof shingle lift",
    "Soffit/fascia damage",
    "Tree strike risk",
    "Fence/screen damage"
   ],
   "description": "Severe Thunderstorm Warning issued by NWS FGF for Clay on 2026-06-19. Storm tag wind: 60 mph. This is a warning — not a confirmed event.",
   "sourceDetail": "NWS FGF — Severe Thunderstorm Warning",
   "windSpeedMph": 60,
   "evidenceLevel": "warning",
   "warningProductKey": "FGF-SV-W-45"
  },
  {
   "id": "iem-ww-FGF-SV-W-45-Clay-hail-2026-06-19",
   "zip": "",
   "city": "Clay",
   "date": "2026-06-19",
   "county": "Clay",
   "source": "IEM Watch/Warn Archive",
   "severity": "high",
   "eventType": "hail",
   "confidence": 0.72,
   "damageTypes": [
    "Shingle bruising",
    "Granule displacement",
    "Metal denting",
    "Vehicle damage"
   ],
   "description": "Severe Thunderstorm Warning issued by NWS FGF for Clay on 2026-06-19. Storm tag hail: 1\". This is a warning — not a confirmed event.",
   "sourceDetail": "NWS FGF — Severe Thunderstorm Warning",
   "evidenceLevel": "warning",
   "hailSizeInches": 1,
   "warningProductKey": "FGF-SV-W-45"
  },
  {
   "id": "iem-ww-FGF-SV-W-46-Clay-wind-2026-06-19",
   "zip": "",
   "city": "Clay",
   "date": "2026-06-19",
   "county": "Clay",
   "source": "IEM Watch/Warn Archive",
   "severity": "high",
   "eventType": "wind",
   "confidence": 0.72,
   "damageTypes": [
    "Roof shingle lift",
    "Soffit/fascia damage",
    "Tree strike risk",
    "Fence/screen damage"
   ],
   "description": "Severe Thunderstorm Warning issued by NWS FGF for Clay on 2026-06-19. Storm tag wind: 60 mph. This is a warning — not a confirmed event.",
   "sourceDetail": "NWS FGF — Severe Thunderstorm Warning",
   "windSpeedMph": 60,
   "evidenceLevel": "warning",
   "warningProductKey": "FGF-SV-W-46"
  },
  {
   "id": "iem-ww-FGF-SV-W-46-Clay-hail-2026-06-19",
   "zip": "",
   "city": "Clay",
   "date": "2026-06-19",
   "county": "Clay",
   "source": "IEM Watch/Warn Archive",
   "severity": "high",
   "eventType": "hail",
   "confidence": 0.72,
   "damageTypes": [
    "Shingle bruising",
    "Granule displacement",
    "Metal denting",
    "Vehicle damage"
   ],
   "description": "Severe Thunderstorm Warning issued by NWS FGF for Clay on 2026-06-19. Storm tag hail: 1\". This is a warning — not a confirmed event.",
   "sourceDetail": "NWS FGF — Severe Thunderstorm Warning",
   "evidenceLevel": "warning",
   "hailSizeInches": 1,
   "warningProductKey": "FGF-SV-W-46"
  },
  {
   "id": "iem-lsr-2026-06-10-wind-46.84--96.66",
   "lat": 46.84,
   "lon": -96.66,
   "zip": "",
   "city": "3 SSE Dilworth",
   "date": "2026-06-10",
   "county": "Clay",
   "source": "IEM Local Storm Reports",
   "severity": "high",
   "eventType": "wind",
   "confidence": 0.92,
   "damageTypes": [
    "Roof shingle lift",
    "Soffit/fascia damage",
    "Tree strike risk",
    "Fence/screen damage"
   ],
   "description": "TSTM WND GST reported near 3 SSE Dilworth",
   "sourceDetail": "NWS FGF — AWOS via Iowa Mesonet",
   "windSpeedMph": 62,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2026-06-10-wind-46.80--96.61",
   "lat": 46.8,
   "lon": -96.61,
   "zip": "",
   "city": "2 ENE Sabin",
   "date": "2026-06-10",
   "county": "Clay",
   "source": "IEM Local Storm Reports",
   "severity": "high",
   "eventType": "wind",
   "confidence": 0.92,
   "damageTypes": [
    "Roof shingle lift",
    "Soffit/fascia damage",
    "Tree strike risk",
    "Fence/screen damage"
   ],
   "description": "NDAWN reporting site at 10 ft.",
   "sourceDetail": "NWS FGF — Mesonet via Iowa Mesonet",
   "windSpeedMph": 62,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2026-06-10-wind-47.07--96.52",
   "lat": 47.07,
   "lon": -96.52,
   "zip": "",
   "city": "1 SW Felton",
   "date": "2026-06-10",
   "county": "Clay",
   "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 1 SW Felton",
   "sourceDetail": "NWS FGF — Trained Spotter via Iowa Mesonet",
   "windSpeedMph": 54,
   "evidenceLevel": "reported"
  },
  {
   "id": "iem-ww-FGF-SV-W-34-Clay-wind-2026-06-10",
   "zip": "",
   "city": "Clay",
   "date": "2026-06-10",
   "county": "Clay",
   "source": "IEM Watch/Warn Archive",
   "severity": "high",
   "eventType": "wind",
   "confidence": 0.72,
   "damageTypes": [
    "Roof shingle lift",
    "Soffit/fascia damage",
    "Tree strike risk",
    "Fence/screen damage"
   ],
   "description": "Severe Thunderstorm Warning issued by NWS FGF for Clay on 2026-06-10. Storm tag wind: 60 mph. This is a warning — not a confirmed event.",
   "sourceDetail": "NWS FGF — Severe Thunderstorm Warning",
   "windSpeedMph": 60,
   "evidenceLevel": "warning",
   "warningProductKey": "FGF-SV-W-34"
  },
  {
   "id": "iem-ww-FGF-SV-W-34-Clay-hail-2026-06-10",
   "zip": "",
   "city": "Clay",
   "date": "2026-06-10",
   "county": "Clay",
   "source": "IEM Watch/Warn Archive",
   "severity": "moderate",
   "eventType": "hail",
   "confidence": 0.72,
   "damageTypes": [
    "Shingle bruising",
    "Granule displacement",
    "Metal denting",
    "Vehicle damage"
   ],
   "description": "Severe Thunderstorm Warning issued by NWS FGF for Clay on 2026-06-10. Storm tag hail: 0.75\". This is a warning — not a confirmed event.",
   "sourceDetail": "NWS FGF — Severe Thunderstorm Warning",
   "evidenceLevel": "warning",
   "hailSizeInches": 0.75,
   "warningProductKey": "FGF-SV-W-34"
  },
  {
   "id": "iem-ww-FGF-SV-W-32-Clay-wind-2026-06-10",
   "zip": "",
   "city": "Clay",
   "date": "2026-06-10",
   "county": "Clay",
   "source": "IEM Watch/Warn Archive",
   "severity": "high",
   "eventType": "wind",
   "confidence": 0.72,
   "damageTypes": [
    "Roof shingle lift",
    "Soffit/fascia damage",
    "Tree strike risk",
    "Fence/screen damage"
   ],
   "description": "Severe Thunderstorm Warning issued by NWS FGF for Clay on 2026-06-10. Storm tag wind: 60 mph. This is a warning — not a confirmed event.",
   "sourceDetail": "NWS FGF — Severe Thunderstorm Warning",
   "windSpeedMph": 60,
   "evidenceLevel": "warning",
   "warningProductKey": "FGF-SV-W-32"
  },
  {
   "id": "iem-ww-FGF-SV-W-32-Clay-hail-2026-06-10",
   "zip": "",
   "city": "Clay",
   "date": "2026-06-10",
   "county": "Clay",
   "source": "IEM Watch/Warn Archive",
   "severity": "moderate",
   "eventType": "hail",
   "confidence": 0.72,
   "damageTypes": [
    "Shingle bruising",
    "Granule displacement",
    "Metal denting",
    "Vehicle damage"
   ],
   "description": "Severe Thunderstorm Warning issued by NWS FGF for Clay on 2026-06-10. Storm tag hail: 0.75\". This is a warning — not a confirmed event.",
   "sourceDetail": "NWS FGF — Severe Thunderstorm Warning",
   "evidenceLevel": "warning",
   "hailSizeInches": 0.75,
   "warningProductKey": "FGF-SV-W-32"
  },
  {
   "id": "iem-ww-FGF-SV-W-4-Clay-wind-2026-05-26",
   "zip": "",
   "city": "Clay",
   "date": "2026-05-26",
   "county": "Clay",
   "source": "IEM Watch/Warn Archive",
   "severity": "high",
   "eventType": "wind",
   "confidence": 0.72,
   "damageTypes": [
    "Roof shingle lift",
    "Soffit/fascia damage",
    "Tree strike risk",
    "Fence/screen damage"
   ],
   "description": "Severe Thunderstorm Warning issued by NWS FGF for Clay on 2026-05-26. Storm tag wind: 60 mph. This is a warning — not a confirmed event.",
   "sourceDetail": "NWS FGF — Severe Thunderstorm Warning",
   "windSpeedMph": 60,
   "evidenceLevel": "warning",
   "warningProductKey": "FGF-SV-W-4"
  },
  {
   "id": "iem-ww-FGF-SV-W-4-Clay-hail-2026-05-26",
   "zip": "",
   "city": "Clay",
   "date": "2026-05-26",
   "county": "Clay",
   "source": "IEM Watch/Warn Archive",
   "severity": "high",
   "eventType": "hail",
   "confidence": 0.72,
   "damageTypes": [
    "Shingle bruising",
    "Granule displacement",
    "Metal denting",
    "Vehicle damage"
   ],
   "description": "Severe Thunderstorm Warning issued by NWS FGF for Clay on 2026-05-26. Storm tag hail: 1\". This is a warning — not a confirmed event.",
   "sourceDetail": "NWS FGF — Severe Thunderstorm Warning",
   "evidenceLevel": "warning",
   "hailSizeInches": 1,
   "warningProductKey": "FGF-SV-W-4"
  },
  {
   "id": "iem-lsr-2026-05-14-wind-46.85--96.67",
   "lat": 46.85,
   "lon": -96.67,
   "zip": "",
   "city": "2 SE Dilworth",
   "date": "2026-05-14",
   "county": "Clay",
   "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 MN013 Dilworth MN DOT.",
   "sourceDetail": "NWS FGF — Mesonet via Iowa Mesonet",
   "windSpeedMph": 53,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2026-05-14-wind-46.75--96.18",
   "lat": 46.75,
   "lon": -96.18,
   "zip": "",
   "city": "3 E Rollag",
   "date": "2026-05-14",
   "county": "Clay",
   "source": "IEM Local Storm Reports",
   "severity": "high",
   "eventType": "wind",
   "confidence": 0.92,
   "damageTypes": [
    "Roof shingle lift",
    "Soffit/fascia damage",
    "Tree strike risk",
    "Fence/screen damage"
   ],
   "description": "NDAWN reports 58 mph gust.",
   "sourceDetail": "NWS FGF — Mesonet via Iowa Mesonet",
   "windSpeedMph": 58,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2026-03-13-wind-46.83--96.67",
   "lat": 46.83,
   "lon": -96.67,
   "zip": "",
   "city": "3 SSE Dilworth",
   "date": "2026-03-13",
   "county": "Clay",
   "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 KJKJ Moorhead AP MN.",
   "sourceDetail": "NWS FGF — AWOS via Iowa Mesonet",
   "windSpeedMph": 51,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2026-03-13-wind-46.85--96.67",
   "lat": 46.85,
   "lon": -96.67,
   "zip": "",
   "city": "2 SE Dilworth",
   "date": "2026-03-13",
   "county": "Clay",
   "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 MN013 Dilworth MN DOT.",
   "sourceDetail": "NWS FGF — Mesonet via Iowa Mesonet",
   "windSpeedMph": 52,
   "evidenceLevel": "observed"
  },
  {
   "id": "asos-bf-JKJ-2026-03-13",
   "lat": 46.8393,
   "lon": -96.664,
   "zip": "",
   "city": "MOORHEAD MUNI",
   "date": "2026-03-13",
   "county": "Clay",
   "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": "MOORHEAD MUNI (JKJ) recorded a 51 mph gust.",
   "sourceDetail": "MN_ASOS automated observation — MOORHEAD MUNI (JKJ) [365d backfill 2026-08]",
   "windSpeedMph": 51,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-ww-FGF-HW-W-2-Clay-wind-2026-03-13",
   "zip": "",
   "city": "Clay",
   "date": "2026-03-13",
   "county": "Clay",
   "source": "IEM High Wind Archive",
   "severity": "high",
   "eventType": "wind",
   "confidence": 0.72,
   "damageTypes": [
    "Roof shingle lift",
    "Soffit/fascia damage",
    "Tree strike risk",
    "Fence/screen damage"
   ],
   "description": "HW W for Clay.",
   "sourceDetail": "NWS FGF — HW/W",
   "evidenceLevel": "warning",
   "warningProductKey": "FGF-HW-W-2"
  },
  {
   "id": "iem-lsr-2025-12-18-wind-46.85--96.67",
   "lat": 46.85,
   "lon": -96.67,
   "zip": "",
   "city": "2 SE Dilworth",
   "date": "2025-12-18",
   "county": "Clay",
   "source": "IEM 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 MN013 Dilworth MN DOT.",
   "sourceDetail": "NWS FGF — Mesonet via Iowa Mesonet",
   "windSpeedMph": 59,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2025-12-18-wind-46.56--96.69",
   "lat": 46.56,
   "lon": -96.69,
   "zip": "",
   "city": "2 E Wolverton",
   "date": "2025-12-18",
   "county": "Wilkin",
   "source": "IEM Local Storm Reports",
   "severity": "moderate",
   "eventType": "wind",
   "confidence": 0.92,
   "damageTypes": [
    "Roof shingle lift",
    "Soffit/fascia damage",
    "Tree strike risk",
    "Fence/screen damage"
   ],
   "description": "NDAWN Wolverton 2E 10m wind.",
   "sourceDetail": "NWS FGF — Mesonet via Iowa Mesonet",
   "windSpeedMph": 55,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2025-12-18-wind-46.85--96.78",
   "lat": 46.85,
   "lon": -96.78,
   "zip": "",
   "city": "2 SW Moorhead",
   "date": "2025-12-18",
   "county": "Clay",
   "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 MN098 Moorhead MN DOT.",
   "sourceDetail": "NWS FGF — Mesonet via Iowa Mesonet",
   "windSpeedMph": 56,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2025-12-18-wind-46.83--96.67",
   "lat": 46.83,
   "lon": -96.67,
   "zip": "",
   "city": "3 SSE Dilworth",
   "date": "2025-12-18",
   "county": "Clay",
   "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 KJKJ Moorhead AP MN.",
   "sourceDetail": "NWS FGF — AWOS via Iowa Mesonet",
   "windSpeedMph": 54,
   "evidenceLevel": "observed"
  },
  {
   "id": "asos-bf-JKJ-2025-12-18",
   "lat": 46.8393,
   "lon": -96.664,
   "zip": "",
   "city": "MOORHEAD MUNI",
   "date": "2025-12-18",
   "county": "Clay",
   "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": "MOORHEAD MUNI (JKJ) recorded a 54 mph gust.",
   "sourceDetail": "MN_ASOS automated observation — MOORHEAD MUNI (JKJ) [365d backfill 2026-08]",
   "windSpeedMph": 54,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-ww-FGF-HW-W-5-Clay-wind-2025-12-10",
   "zip": "",
   "city": "Clay",
   "date": "2025-12-10",
   "county": "Clay",
   "source": "IEM High Wind Archive",
   "severity": "high",
   "eventType": "wind",
   "confidence": 0.72,
   "damageTypes": [
    "Roof shingle lift",
    "Soffit/fascia damage",
    "Tree strike risk",
    "Fence/screen damage"
   ],
   "description": "HW W for Clay.",
   "sourceDetail": "NWS FGF — HW/W",
   "evidenceLevel": "warning",
   "warningProductKey": "FGF-HW-W-5"
  }
 ]
}