{
 "dataset": "Duncan, OK 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": "2026-08-24T11:30:18.123+00:00",
 "window_days": 365,
 "event_count": 32,
 "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-2026-08-08-hail-34.17--98.00",
   "lat": 34.17,
   "lon": -98,
   "zip": "",
   "city": "Waurika",
   "date": "2026-08-08",
   "county": "Jefferson",
   "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 Waurika",
   "sourceDetail": "NWS OUN — Trained Spotter via Iowa Mesonet",
   "evidenceLevel": "reported",
   "hailSizeInches": 1
  },
  {
   "id": "iem-lsr-2026-07-05-hail-34.64--97.98",
   "lat": 34.64,
   "lon": -97.98,
   "zip": "",
   "city": "1 SW Marlow",
   "date": "2026-07-05",
   "county": "Stephens",
   "source": "IEM Local Storm Reports",
   "severity": "high",
   "eventType": "hail",
   "confidence": 0.92,
   "damageTypes": [
    "Shingle bruising",
    "Granule displacement",
    "Metal denting",
    "Vehicle damage"
   ],
   "description": "MPING report.",
   "sourceDetail": "NWS OUN — Public via Iowa Mesonet",
   "evidenceLevel": "reported",
   "hailSizeInches": 1
  },
  {
   "id": "iem-lsr-2026-06-11-wind-34.55--98.32",
   "lat": 34.55,
   "lon": -98.32,
   "zip": "",
   "city": "6 SE Lawton",
   "date": "2026-06-11",
   "county": "Comanche",
   "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": "Corrects time for previous tstm wnd gst report from 6 SE Lawton. personal weather station_ measured at 10 m height.",
   "sourceDetail": "NWS OUN — Broadcast Media via Iowa Mesonet",
   "windSpeedMph": 80,
   "evidenceLevel": "reported"
  },
  {
   "id": "iem-lsr-2026-06-11-wind-34.59--98.32",
   "lat": 34.59,
   "lon": -98.32,
   "zip": "",
   "city": "4 ESE Lawton",
   "date": "2026-06-11",
   "county": "Comanche",
   "source": "IEM Local Storm Reports",
   "severity": "severe",
   "eventType": "wind",
   "confidence": 0.92,
   "damageTypes": [
    "Roof shingle lift",
    "Soffit/fascia damage",
    "Tree strike risk",
    "Fence/screen damage"
   ],
   "description": "measured at KWSO-TV.",
   "sourceDetail": "NWS OUN — Public via Iowa Mesonet",
   "windSpeedMph": 75,
   "evidenceLevel": "reported"
  },
  {
   "id": "iem-lsr-2026-06-11-wind-34.40--98.36",
   "lat": 34.4,
   "lon": -98.36,
   "zip": "",
   "city": "4 NW Walters",
   "date": "2026-06-11",
   "county": "Cotton",
   "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 NW Walters",
   "sourceDetail": "NWS OUN — Mesonet via Iowa Mesonet",
   "windSpeedMph": 71,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2026-05-09-wind-34.66--98.17",
   "lat": 34.66,
   "lon": -98.17,
   "zip": "",
   "city": "6 NW Central High",
   "date": "2026-05-09",
   "county": "Comanche",
   "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 6 NW Central High",
   "sourceDetail": "NWS OUN — Amateur Radio via Iowa Mesonet",
   "windSpeedMph": 68,
   "evidenceLevel": "reported"
  },
  {
   "id": "iem-lsr-2026-05-08-hail-34.35--97.99",
   "lat": 34.35,
   "lon": -97.99,
   "zip": "",
   "city": "2 SW Comanche",
   "date": "2026-05-08",
   "county": "Stephens",
   "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 2 SW Comanche",
   "sourceDetail": "NWS OUN — Public via Iowa Mesonet",
   "evidenceLevel": "reported",
   "hailSizeInches": 1
  },
  {
   "id": "iem-lsr-2026-05-08-hail-34.17--97.87",
   "lat": 34.17,
   "lon": -97.87,
   "zip": "",
   "city": "7 E Waurika",
   "date": "2026-05-08",
   "county": "Jefferson",
   "source": "IEM Local Storm Reports",
   "severity": "high",
   "eventType": "hail",
   "confidence": 0.92,
   "damageTypes": [
    "Shingle bruising",
    "Granule displacement",
    "Metal denting",
    "Vehicle damage"
   ],
   "description": "Picture from X. Time estimated from radar.",
   "sourceDetail": "NWS OUN — Public via Iowa Mesonet",
   "evidenceLevel": "reported",
   "hailSizeInches": 1.25
  },
  {
   "id": "iem-lsr-2026-04-26-hail-34.59--98.21",
   "lat": 34.59,
   "lon": -98.21,
   "zip": "",
   "city": "6 N Hulen",
   "date": "2026-04-26",
   "county": "Comanche",
   "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 6 N Hulen",
   "sourceDetail": "NWS OUN — Amateur Radio via Iowa Mesonet",
   "evidenceLevel": "reported",
   "hailSizeInches": 1.75
  },
  {
   "id": "iem-lsr-2026-04-26-hail-34.59--98.33",
   "lat": 34.59,
   "lon": -98.33,
   "zip": "",
   "city": "4 E Lawton",
   "date": "2026-04-26",
   "county": "Comanche",
   "source": "IEM Local Storm Reports",
   "severity": "high",
   "eventType": "hail",
   "confidence": 0.92,
   "damageTypes": [
    "Shingle bruising",
    "Granule displacement",
    "Metal denting",
    "Vehicle damage"
   ],
   "description": "Report from mPING: Quarter (1.00 in.).",
   "sourceDetail": "NWS OUN — Public via Iowa Mesonet",
   "evidenceLevel": "reported",
   "hailSizeInches": 1
  },
  {
   "id": "iem-lsr-2026-04-26-hail-34.62--98.30",
   "lat": 34.62,
   "lon": -98.3,
   "zip": "",
   "city": "6 ENE Lawton",
   "date": "2026-04-26",
   "county": "Comanche",
   "source": "IEM Local Storm Reports",
   "severity": "severe",
   "eventType": "hail",
   "confidence": 0.92,
   "damageTypes": [
    "Shingle bruising",
    "Granule displacement",
    "Metal denting",
    "Vehicle damage"
   ],
   "description": "HAIL reported near 6 ENE Lawton",
   "sourceDetail": "NWS OUN — Trained Spotter via Iowa Mesonet",
   "evidenceLevel": "reported",
   "hailSizeInches": 2.75
  },
  {
   "id": "iem-lsr-2026-04-26-hail-34.66--98.17",
   "lat": 34.66,
   "lon": -98.17,
   "zip": "",
   "city": "6 NW Central High",
   "date": "2026-04-26",
   "county": "Comanche",
   "source": "IEM Local Storm Reports",
   "severity": "severe",
   "eventType": "hail",
   "confidence": 0.92,
   "damageTypes": [
    "Shingle bruising",
    "Granule displacement",
    "Metal denting",
    "Vehicle damage"
   ],
   "description": "HAIL reported near 6 NW Central High",
   "sourceDetail": "NWS OUN — Amateur Radio via Iowa Mesonet",
   "evidenceLevel": "reported",
   "hailSizeInches": 2.75
  },
  {
   "id": "iem-lsr-2026-04-26-hail-34.78--97.96",
   "lat": 34.78,
   "lon": -97.96,
   "zip": "",
   "city": "Rush Springs",
   "date": "2026-04-26",
   "county": "Grady",
   "source": "IEM Local Storm Reports",
   "severity": "high",
   "eventType": "hail",
   "confidence": 0.92,
   "damageTypes": [
    "Shingle bruising",
    "Granule displacement",
    "Metal denting",
    "Vehicle damage"
   ],
   "description": "Report from mPING: Quarter (1.00 in.).",
   "sourceDetail": "NWS OUN — Trained Spotter via Iowa Mesonet",
   "evidenceLevel": "reported",
   "hailSizeInches": 1
  },
  {
   "id": "iem-lsr-2026-04-25-hail-34.33--98.10",
   "lat": 34.33,
   "lon": -98.1,
   "zip": "",
   "city": "3 S Corum",
   "date": "2026-04-25",
   "county": "Stephens",
   "source": "IEM Local Storm Reports",
   "severity": "high",
   "eventType": "hail",
   "confidence": 0.92,
   "damageTypes": [
    "Shingle bruising",
    "Granule displacement",
    "Metal denting",
    "Vehicle damage"
   ],
   "description": "Report from mPING: Quarter (1.00 in.).",
   "sourceDetail": "NWS OUN — Public via Iowa Mesonet",
   "evidenceLevel": "reported",
   "hailSizeInches": 1
  },
  {
   "id": "iem-lsr-2026-04-25-hail-34.52--97.96",
   "lat": 34.52,
   "lon": -97.96,
   "zip": "",
   "city": "1 N Duncan",
   "date": "2026-04-25",
   "county": "Stephens",
   "source": "IEM Local Storm Reports",
   "severity": "high",
   "eventType": "hail",
   "confidence": 0.92,
   "damageTypes": [
    "Shingle bruising",
    "Granule displacement",
    "Metal denting",
    "Vehicle damage"
   ],
   "description": "Report from mPING: Quarter (1.00 in.).",
   "sourceDetail": "NWS OUN — Public via Iowa Mesonet",
   "evidenceLevel": "reported",
   "hailSizeInches": 1
  },
  {
   "id": "iem-lsr-2026-04-25-hail-34.52--97.95",
   "lat": 34.52,
   "lon": -97.95,
   "zip": "",
   "city": "1 NNE Duncan",
   "date": "2026-04-25",
   "county": "Stephens",
   "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 NNE Duncan",
   "sourceDetail": "NWS OUN — Emergency Mngr via Iowa Mesonet",
   "evidenceLevel": "reported",
   "hailSizeInches": 1
  },
  {
   "id": "iem-lsr-2026-04-25-hail-34.34--97.98",
   "lat": 34.34,
   "lon": -97.98,
   "zip": "",
   "city": "2 S Comanche",
   "date": "2026-04-25",
   "county": "Stephens",
   "source": "IEM Local Storm Reports",
   "severity": "high",
   "eventType": "hail",
   "confidence": 0.92,
   "damageTypes": [
    "Shingle bruising",
    "Granule displacement",
    "Metal denting",
    "Vehicle damage"
   ],
   "description": "Report from mPING: Quarter (1.00 in.).",
   "sourceDetail": "NWS OUN — Public via Iowa Mesonet",
   "evidenceLevel": "reported",
   "hailSizeInches": 1
  },
  {
   "id": "iem-lsr-2026-04-25-hail-34.52--97.96",
   "lat": 34.52,
   "lon": -97.96,
   "zip": "",
   "city": "1 N Duncan",
   "date": "2026-04-25",
   "county": "Stephens",
   "source": "IEM Local Storm Reports",
   "severity": "high",
   "eventType": "hail",
   "confidence": 0.92,
   "damageTypes": [
    "Shingle bruising",
    "Granule displacement",
    "Metal denting",
    "Vehicle damage"
   ],
   "description": "Report from mPING: Half Dollar (1.25 in.).",
   "sourceDetail": "NWS OUN — Public via Iowa Mesonet",
   "evidenceLevel": "reported",
   "hailSizeInches": 1.25
  },
  {
   "id": "iem-lsr-2026-04-25-hail-34.65--97.60",
   "lat": 34.65,
   "lon": -97.6,
   "zip": "",
   "city": "7 W Foster",
   "date": "2026-04-25",
   "county": "Stephens",
   "source": "IEM Local Storm Reports",
   "severity": "high",
   "eventType": "hail",
   "confidence": 0.92,
   "damageTypes": [
    "Shingle bruising",
    "Granule displacement",
    "Metal denting",
    "Vehicle damage"
   ],
   "description": "Report from mPING: Quarter (1.00 in.).",
   "sourceDetail": "NWS OUN — Public via Iowa Mesonet",
   "evidenceLevel": "reported",
   "hailSizeInches": 1
  },
  {
   "id": "iem-lsr-2026-04-25-hail-34.68--97.60",
   "lat": 34.68,
   "lon": -97.6,
   "zip": "",
   "city": "8 NW Foster",
   "date": "2026-04-25",
   "county": "Garvin",
   "source": "IEM Local Storm Reports",
   "severity": "high",
   "eventType": "hail",
   "confidence": 0.92,
   "damageTypes": [
    "Shingle bruising",
    "Granule displacement",
    "Metal denting",
    "Vehicle damage"
   ],
   "description": "Report from mPING: Quarter (1.00 in.).",
   "sourceDetail": "NWS OUN — Public via Iowa Mesonet",
   "evidenceLevel": "reported",
   "hailSizeInches": 1
  },
  {
   "id": "iem-lsr-2026-04-24-hail-34.48--98.38",
   "lat": 34.48,
   "lon": -98.38,
   "zip": "",
   "city": "Geronimo",
   "date": "2026-04-24",
   "county": "Comanche",
   "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 Geronimo",
   "sourceDetail": "NWS OUN — Trained Spotter via Iowa Mesonet",
   "evidenceLevel": "reported",
   "hailSizeInches": 1.75
  },
  {
   "id": "iem-lsr-2026-04-24-hail-34.48--98.38",
   "lat": 34.48,
   "lon": -98.38,
   "zip": "",
   "city": "Geronimo",
   "date": "2026-04-24",
   "county": "Comanche",
   "source": "IEM Local Storm Reports",
   "severity": "severe",
   "eventType": "hail",
   "confidence": 0.92,
   "damageTypes": [
    "Shingle bruising",
    "Granule displacement",
    "Metal denting",
    "Vehicle damage"
   ],
   "description": "HAIL reported near Geronimo",
   "sourceDetail": "NWS OUN — Emergency Mngr via Iowa Mesonet",
   "evidenceLevel": "reported",
   "hailSizeInches": 2.5
  },
  {
   "id": "iem-lsr-2026-04-23-hail-34.63--98.35",
   "lat": 34.63,
   "lon": -98.35,
   "zip": "",
   "city": "3 NE Lawton",
   "date": "2026-04-23",
   "county": "Comanche",
   "source": "IEM Local Storm Reports",
   "severity": "high",
   "eventType": "hail",
   "confidence": 0.92,
   "damageTypes": [
    "Shingle bruising",
    "Granule displacement",
    "Metal denting",
    "Vehicle damage"
   ],
   "description": "Report from mPING: Quarter (1.00 in.).",
   "sourceDetail": "NWS OUN — Public via Iowa Mesonet",
   "evidenceLevel": "reported",
   "hailSizeInches": 1
  },
  {
   "id": "iem-lsr-2026-04-17-wind-34.40--98.36",
   "lat": 34.4,
   "lon": -98.36,
   "zip": "",
   "city": "4 NW Walters",
   "date": "2026-04-17",
   "county": "Cotton",
   "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 NW Walters",
   "sourceDetail": "NWS OUN — Mesonet via Iowa Mesonet",
   "windSpeedMph": 65,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2026-04-17-wind-34.40--98.35",
   "lat": 34.4,
   "lon": -98.35,
   "zip": "",
   "city": "4 NW Walters",
   "date": "2026-04-17",
   "county": "Cotton",
   "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": "Walters (WAL2) Mesonet.",
   "sourceDetail": "NWS OUN — Mesonet via Iowa Mesonet",
   "windSpeedMph": 63,
   "evidenceLevel": "observed"
  },
  {
   "id": "asos-bf-DUC-2026-03-15",
   "lat": 34.47,
   "lon": -97.96,
   "zip": "",
   "city": "HALLIBURTON FIELD AIRPORT/DUNCAN",
   "date": "2026-03-15",
   "county": "Stephens",
   "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": "HALLIBURTON FIELD AIRPORT/DUNCAN (DUC) recorded a 51 mph gust.",
   "sourceDetail": "OK_ASOS automated observation — HALLIBURTON FIELD AIRPORT/DUNCAN (DUC) [365d backfill 2026-08]",
   "windSpeedMph": 51,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2026-03-10-hail-34.36--98.31",
   "lat": 34.36,
   "lon": -98.31,
   "zip": "",
   "city": "Walters",
   "date": "2026-03-10",
   "county": "Cotton",
   "source": "IEM Local Storm Reports",
   "severity": "high",
   "eventType": "hail",
   "confidence": 0.92,
   "damageTypes": [
    "Shingle bruising",
    "Granule displacement",
    "Metal denting",
    "Vehicle damage"
   ],
   "description": "Report from mPING: Quarter (1.00 in.).",
   "sourceDetail": "NWS OUN — Public via Iowa Mesonet",
   "evidenceLevel": "reported",
   "hailSizeInches": 1
  },
  {
   "id": "iem-lsr-2026-03-10-hail-34.57--98.00",
   "lat": 34.57,
   "lon": -98,
   "zip": "",
   "city": "5 NW Duncan",
   "date": "2026-03-10",
   "county": "Stephens",
   "source": "IEM Local Storm Reports",
   "severity": "high",
   "eventType": "hail",
   "confidence": 0.92,
   "damageTypes": [
    "Shingle bruising",
    "Granule displacement",
    "Metal denting",
    "Vehicle damage"
   ],
   "description": "Report from mPING: Ping Pong Ball (1.50 in.).",
   "sourceDetail": "NWS OUN — Public via Iowa Mesonet",
   "evidenceLevel": "reported",
   "hailSizeInches": 1.5
  },
  {
   "id": "iem-lsr-2026-03-10-hail-34.51--98.13",
   "lat": 34.51,
   "lon": -98.13,
   "zip": "",
   "city": "5 E Hulen",
   "date": "2026-03-10",
   "county": "Stephens",
   "source": "IEM Local Storm Reports",
   "severity": "high",
   "eventType": "hail",
   "confidence": 0.92,
   "damageTypes": [
    "Shingle bruising",
    "Granule displacement",
    "Metal denting",
    "Vehicle damage"
   ],
   "description": "HAIL reported near 5 E Hulen",
   "sourceDetail": "NWS OUN — CO-OP Observer via Iowa Mesonet",
   "evidenceLevel": "reported",
   "hailSizeInches": 1
  },
  {
   "id": "iem-lsr-2025-11-19-hail-34.65--97.99",
   "lat": 34.65,
   "lon": -97.99,
   "zip": "",
   "city": "2 WNW Marlow",
   "date": "2025-11-19",
   "county": "Stephens",
   "source": "IEM Local Storm Reports",
   "severity": "high",
   "eventType": "hail",
   "confidence": 0.92,
   "damageTypes": [
    "Shingle bruising",
    "Granule displacement",
    "Metal denting",
    "Vehicle damage"
   ],
   "description": "Social media pic. Time estimated.",
   "sourceDetail": "NWS OUN — Public via Iowa Mesonet",
   "evidenceLevel": "reported",
   "hailSizeInches": 1.5
  },
  {
   "id": "iem-lsr-2025-11-19-hail-34.71--97.98",
   "lat": 34.71,
   "lon": -97.98,
   "zip": "",
   "city": "5 NNW Marlow",
   "date": "2025-11-19",
   "county": "Grady",
   "source": "IEM Local Storm Reports",
   "severity": "severe",
   "eventType": "hail",
   "confidence": 0.92,
   "damageTypes": [
    "Shingle bruising",
    "Granule displacement",
    "Metal denting",
    "Vehicle damage"
   ],
   "description": "HAIL reported near 5 NNW Marlow",
   "sourceDetail": "NWS OUN — Broadcast Media via Iowa Mesonet",
   "evidenceLevel": "reported",
   "hailSizeInches": 2
  },
  {
   "id": "iem-lsr-2025-11-19-wind-34.52--98.33",
   "lat": 34.52,
   "lon": -98.33,
   "zip": "",
   "city": "4 NE Geronimo",
   "date": "2025-11-19",
   "county": "Comanche",
   "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 NE Geronimo",
   "sourceDetail": "NWS OUN — Other Federal via Iowa Mesonet",
   "windSpeedMph": 62,
   "evidenceLevel": "reported"
  }
 ]
}