{
 "dataset": "Columbia, SC 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": "2026-08-24T10:05:11.332+00:00",
 "window_days": 365,
 "event_count": 5,
 "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-2026-06-18-wind-33.94--81.12",
   "lat": 33.94,
   "lon": -81.12,
   "zip": "",
   "city": "Columbia Metro Apt",
   "date": "2026-06-18",
   "county": "Lexington",
   "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": "52 mph gust recorded at Columbia Metropolitan Airport.",
   "sourceDetail": "NWS CAE — ASOS via Iowa Mesonet",
   "windSpeedMph": 52,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-geo-2026-03-12-tornado-34.10--81.23",
   "lat": 34.1,
   "lon": -81.23,
   "zip": "",
   "city": "2 SSE Ballentine",
   "date": "2026-03-12",
   "county": "Richland",
   "source": "IEM Local Storm Reports",
   "severity": "moderate",
   "eventType": "tornado",
   "confidence": 0.9,
   "damageTypes": [
    "Structural roof failure",
    "Debris penetration",
    "Complete shingle removal"
   ],
   "description": "A NWS Survey Team confirmed a brief EF-0 tornado northwest of Irmo in Richland County, SC from March 12th 2026. The tornado formed near Dreher Shoals Road and continued east across Lemington Way and Lemington Circle causing minor tree damage along with siding and shingle loss to several homes. Further east additional damage to trees and residences occurred along River Song Road and Royal Tower Drive. Similar damage occurred in the adjacent neighborhoods eastward to Rawls Creek Park before the tornado dissipated around Woodrow Street.",
   "sourceDetail": "NWS CAE — NWS Storm Survey via Iowa Mesonet (GeoJSON)",
   "evidenceLevel": "reported"
  },
  {
   "id": "iem-geo-2026-03-12-tornado-34.05--81.23",
   "lat": 34.05,
   "lon": -81.23,
   "zip": "",
   "city": "1 SW Lake Murray Dam",
   "date": "2026-03-12",
   "county": "Lexington",
   "source": "IEM Local Storm Reports",
   "severity": "moderate",
   "eventType": "tornado",
   "confidence": 0.9,
   "damageTypes": [
    "Structural roof failure",
    "Debris penetration",
    "Complete shingle removal"
   ],
   "description": "Public reported video of a tornadic waterspout over Lake Murray near the Saluda Dam associated with a severe thunderstorm and strong velocity couplet from KCAE radar. The tornado did not cause any notable damage onshore before dissipating. Unknown wind speed due to lack of damage indicators.",
   "sourceDetail": "NWS CAE — Public via Iowa Mesonet (GeoJSON)",
   "evidenceLevel": "reported"
  },
  {
   "id": "iem-lsr-2026-03-08-hail-34.02--80.54",
   "lat": 34.02,
   "lon": -80.54,
   "zip": "",
   "city": "3 NNW Stateburg",
   "date": "2026-03-08",
   "county": "Sumter",
   "source": "IEM Local Storm Reports",
   "severity": "moderate",
   "eventType": "hail",
   "confidence": 0.92,
   "damageTypes": [
    "Shingle bruising",
    "Granule displacement",
    "Metal denting",
    "Vehicle damage"
   ],
   "description": "Penny size hail reported.",
   "sourceDetail": "NWS CAE — Trained Spotter via Iowa Mesonet",
   "evidenceLevel": "reported",
   "hailSizeInches": 0.75
  },
  {
   "id": "iem-lsr-2025-09-26-wind-34.15--81.20",
   "lat": 34.15,
   "lon": -81.2,
   "zip": "",
   "city": "3 NE Ballentine",
   "date": "2025-09-26",
   "county": "Richland",
   "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": "Richland County Mesonet site measured a 51 mph wind gust at Dutch Fork High School.",
   "sourceDetail": "NWS CAE — Mesonet via Iowa Mesonet",
   "windSpeedMph": 51,
   "evidenceLevel": "observed"
  }
 ]
}