{
 "dataset": "Charleston, 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": 15,
 "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-geo-2026-08-08-tornado-32.67--79.91",
   "lat": 32.67,
   "lon": -79.91,
   "zip": "",
   "city": "2 ENE Folly Beach",
   "date": "2026-08-08",
   "county": "Charleston",
   "source": "IEM Local Storm Reports",
   "severity": "moderate",
   "eventType": "tornado",
   "confidence": 0.9,
   "damageTypes": [
    "Structural roof failure",
    "Debris penetration",
    "Complete shingle removal"
   ],
   "description": "Multiple videos indicated a waterspout shifting onshore at the Washout on Folly Beach, SC as a tornado before dissipating near the intersection of Fort Road and East Ashley Avenue. Damage was minimal to beach items such as tents, surfboards and chairs. No injuries were reported. The tornado was rated an EF0 with maximum winds estimated to be near 55 mph.",
   "sourceDetail": "NWS CHS — Broadcast Media via Iowa Mesonet (GeoJSON)",
   "evidenceLevel": "reported"
  },
  {
   "id": "iem-geo-2026-08-01-tornado-32.66--79.93",
   "lat": 32.66,
   "lon": -79.93,
   "zip": "",
   "city": "Folly Beach",
   "date": "2026-08-01",
   "county": "Charleston",
   "source": "IEM Local Storm Reports",
   "severity": "moderate",
   "eventType": "tornado",
   "confidence": 0.9,
   "damageTypes": [
    "Structural roof failure",
    "Debris penetration",
    "Complete shingle removal"
   ],
   "description": "Waterspout moved onshore just north of the Folly Beach Pier. No discernable damage. Timing was verified by social media and Surfline webcams.",
   "sourceDetail": "NWS CHS — Public via Iowa Mesonet (GeoJSON)",
   "evidenceLevel": "reported"
  },
  {
   "id": "iem-lsr-2026-07-29-hail-32.93--80.07",
   "lat": 32.93,
   "lon": -80.07,
   "zip": "",
   "city": "3 NW Charleston Airport",
   "date": "2026-07-29",
   "county": "Charleston",
   "source": "IEM Local Storm Reports",
   "severity": "moderate",
   "eventType": "hail",
   "confidence": 0.92,
   "damageTypes": [
    "Shingle bruising",
    "Granule displacement",
    "Metal denting",
    "Vehicle damage"
   ],
   "description": "A trained spotter reported dime sized hail in the 3300 block of Stonehaven Drive.",
   "sourceDetail": "NWS CHS — Trained Spotter via Iowa Mesonet",
   "evidenceLevel": "reported",
   "hailSizeInches": 0.75
  },
  {
   "id": "iem-lsr-2026-07-11-wind-32.90--80.04",
   "lat": 32.9,
   "lon": -80.04,
   "zip": "",
   "city": "Charleston Airport",
   "date": "2026-07-11",
   "county": "Charleston",
   "source": "IEM Local Storm Reports",
   "severity": "high",
   "eventType": "wind",
   "confidence": 0.92,
   "damageTypes": [
    "Roof shingle lift",
    "Soffit/fascia damage",
    "Tree strike risk",
    "Fence/screen damage"
   ],
   "description": "A wind gust of 59 mph was measured at the Charleston International Airport (KCHS).",
   "sourceDetail": "NWS CHS — ASOS via Iowa Mesonet",
   "windSpeedMph": 59,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2026-07-11-wind-32.79--79.91",
   "lat": 32.79,
   "lon": -79.91,
   "zip": "",
   "city": "2 ENE Charleston",
   "date": "2026-07-11",
   "county": "Charleston",
   "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": "Trained Spotter estimated a wind gust of 70 mph at the College of Charleston Sailing Center.",
   "sourceDetail": "NWS CHS — Trained Spotter via Iowa Mesonet",
   "windSpeedMph": 70,
   "evidenceLevel": "reported"
  },
  {
   "id": "iem-lsr-2026-07-10-hail-32.88--79.98",
   "lat": 32.88,
   "lon": -79.98,
   "zip": "",
   "city": "2 N North Charleston",
   "date": "2026-07-10",
   "county": "Charleston",
   "source": "IEM Local Storm Reports",
   "severity": "moderate",
   "eventType": "hail",
   "confidence": 0.92,
   "damageTypes": [
    "Shingle bruising",
    "Granule displacement",
    "Metal denting",
    "Vehicle damage"
   ],
   "description": "Emergency Manager reported 0.75 inch hail near the intersection of Rugheimer Avenue and Spurill Avenue.",
   "sourceDetail": "NWS CHS — Emergency Mngr via Iowa Mesonet",
   "evidenceLevel": "reported",
   "hailSizeInches": 0.75
  },
  {
   "id": "iem-lsr-2026-07-10-wind-32.64--79.97",
   "lat": 32.64,
   "lon": -79.97,
   "zip": "",
   "city": "2 WSW Folly Beach",
   "date": "2026-07-10",
   "county": "Charleston",
   "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": "Folly South End - XFSE - Had a thunderstorm wind gust to 64 mph.",
   "sourceDetail": "NWS CHS — Mesonet via Iowa Mesonet",
   "windSpeedMph": 64,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2026-07-05-wind-32.90--80.04",
   "lat": 32.9,
   "lon": -80.04,
   "zip": "",
   "city": "Charleston Airport",
   "date": "2026-07-05",
   "county": "Charleston",
   "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 Charleston Airport",
   "sourceDetail": "NWS CHS — ASOS via Iowa Mesonet",
   "windSpeedMph": 52,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2026-07-05-wind-32.77--80.24",
   "lat": 32.77,
   "lon": -80.24,
   "zip": "",
   "city": "1 NE Ravenel",
   "date": "2026-07-05",
   "county": "Charleston",
   "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": "Social media video with viewer estimating 50 mph wind gusts from strongly swaying trees",
   "sourceDetail": "NWS CHS — Public via Iowa Mesonet",
   "windSpeedMph": 50,
   "evidenceLevel": "reported"
  },
  {
   "id": "iem-geo-2026-06-19-wind-32.64--79.97",
   "lat": 32.64,
   "lon": -79.97,
   "zip": "",
   "city": "2 WSW Folly Beach",
   "date": "2026-06-19",
   "county": "Charleston",
   "source": "IEM Local Storm Reports",
   "severity": "moderate",
   "eventType": "wind",
   "confidence": 0.9,
   "damageTypes": [
    "Roof shingle lift",
    "Soffit/fascia damage",
    "Tree strike risk",
    "Fence/screen damage"
   ],
   "description": "MARINE TSTM WIND reported near 2 WSW Folly Beach",
   "sourceDetail": "NWS CHS — Mesonet via Iowa Mesonet (GeoJSON)",
   "windSpeedMph": 53,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2026-06-12-hail-33.02--80.12",
   "lat": 33.02,
   "lon": -80.12,
   "zip": "",
   "city": "1 SE Sangaree",
   "date": "2026-06-12",
   "county": "Berkeley",
   "source": "IEM Local Storm Reports",
   "severity": "moderate",
   "eventType": "hail",
   "confidence": 0.92,
   "damageTypes": [
    "Shingle bruising",
    "Granule displacement",
    "Metal denting",
    "Vehicle damage"
   ],
   "description": "Hail up to the size of a nickel was observed along Royle Road.",
   "sourceDetail": "NWS CHS — Trained Spotter via Iowa Mesonet",
   "evidenceLevel": "reported",
   "hailSizeInches": 0.88
  },
  {
   "id": "iem-lsr-2026-04-30-hail-32.92--79.86",
   "lat": 32.92,
   "lon": -79.86,
   "zip": "",
   "city": "2 WSW Cainhoy",
   "date": "2026-04-30",
   "county": "Berkeley",
   "source": "IEM Local Storm Reports",
   "severity": "high",
   "eventType": "hail",
   "confidence": 0.92,
   "damageTypes": [
    "Shingle bruising",
    "Granule displacement",
    "Metal denting",
    "Vehicle damage"
   ],
   "description": "The National Weather Service received a picture showing hail to the size of quarters near Cainhoy. Most of the hail was smaller_ but a few pieces to quarter size were mixed in at times. Time estimate",
   "sourceDetail": "NWS CHS — Public via Iowa Mesonet",
   "evidenceLevel": "reported",
   "hailSizeInches": 1
  },
  {
   "id": "iem-lsr-2026-03-15-hail-32.85--80.09",
   "lat": 32.85,
   "lon": -80.09,
   "zip": "",
   "city": "1 WNW Shadowmoss",
   "date": "2026-03-15",
   "county": "Charleston",
   "source": "IEM Local Storm Reports",
   "severity": "moderate",
   "eventType": "hail",
   "confidence": 0.92,
   "damageTypes": [
    "Shingle bruising",
    "Granule displacement",
    "Metal denting",
    "Vehicle damage"
   ],
   "description": "A former NWS employee reported dime sized hail in the Village Green subdivision.",
   "sourceDetail": "NWS CHS — NWS Employee via Iowa Mesonet",
   "evidenceLevel": "reported",
   "hailSizeInches": 0.75
  },
  {
   "id": "iem-lsr-2026-03-15-hail-33.01--80.04",
   "lat": 33.01,
   "lon": -80.04,
   "zip": "",
   "city": "2 NNW Goose Creek",
   "date": "2026-03-15",
   "county": "Berkeley",
   "source": "IEM Local Storm Reports",
   "severity": "high",
   "eventType": "hail",
   "confidence": 0.92,
   "damageTypes": [
    "Shingle bruising",
    "Granule displacement",
    "Metal denting",
    "Vehicle damage"
   ],
   "description": "Trained spotter reported at least two golfball sized hail stones. Most of the hail was the size of a quarter.",
   "sourceDetail": "NWS CHS — Trained Spotter via Iowa Mesonet",
   "evidenceLevel": "reported",
   "hailSizeInches": 1.75
  },
  {
   "id": "iem-lsr-2026-03-15-wind-32.90--80.04",
   "lat": 32.9,
   "lon": -80.04,
   "zip": "",
   "city": "Charleston Airport",
   "date": "2026-03-15",
   "county": "Charleston",
   "source": "IEM Local Storm Reports",
   "severity": "high",
   "eventType": "wind",
   "confidence": 0.92,
   "damageTypes": [
    "Roof shingle lift",
    "Soffit/fascia damage",
    "Tree strike risk",
    "Fence/screen damage"
   ],
   "description": "A wind gust of 58 mph (50 kt) measured at the Charleston International Airport (KCHS).",
   "sourceDetail": "NWS CHS — ASOS via Iowa Mesonet",
   "windSpeedMph": 58,
   "evidenceLevel": "observed"
  }
 ]
}