{ "dataset": "North Charleston, SC storm events — 12-month window, 25-mile radius plus Charleston 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": "2026-09-20T11:20:16.207+00:00", "window_days": 365, "schema_version": "2.0.0", "event_count": 58, "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": "iem-lsr-2026-09-06-hail-33.06--80.09", "lat": 33.06, "lon": -80.09, "zip": "", "city": "3 NE Sangaree", "date": "2026-09-06", "county": "Berkeley", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Social media pictures shows someone holding a quarter sized hail stone. Time determined from radar data.", "sourceDetail": "NWS CHS — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-09-06-hail-33.07--80.12", "lat": 33.07, "lon": -80.12, "zip": "", "city": "3 NNE Sangaree", "date": "2026-09-06", "county": "Berkeley", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "NWS Employee reported quarter sized hail along Smooth Stone Aly.", "sourceDetail": "NWS CHS — NWS Employee via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-09-06-hail-33.02--80.09", "lat": 33.02, "lon": -80.09, "zip": "", "city": "College Park", "date": "2026-09-06", "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 sent pictures of a tree down on a house_ another tree down and several limbs broken. They also reported quarter size hail.", "sourceDetail": "NWS CHS — Trained Spotter via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-ww-CHS-SV-W-93-Charleston-wind-2026-09-06", "zip": "", "city": "Charleston", "date": "2026-09-06", "county": "Charleston", "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 CHS for Charleston on 2026-09-06. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS CHS — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "CHS-SV-W-93" }, { "id": "iem-ww-CHS-SV-W-93-Charleston-hail-2026-09-06", "zip": "", "city": "Charleston", "date": "2026-09-06", "county": "Charleston", "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 CHS for Charleston on 2026-09-06. Storm tag hail: 1\". This is a warning — not a confirmed event.", "sourceDetail": "NWS CHS — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1, "warningProductKey": "CHS-SV-W-93" }, { "id": "iem-ww-CHS-SV-W-88-Charleston-wind-2026-08-27", "zip": "", "city": "Charleston", "date": "2026-08-27", "county": "Charleston", "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 CHS for Charleston on 2026-08-27. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS CHS — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "CHS-SV-W-88" }, { "id": "iem-lsr-2026-08-24-wind-32.70--80.01", "lat": 32.7, "lon": -80.01, "zip": "", "city": "Charleston Executive Ai", "date": "2026-08-24", "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 Executive Ai", "sourceDetail": "NWS CHS — AWOS via Iowa Mesonet", "windSpeedMph": 52, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-08-22-wind-33.25--80.04", "lat": 33.25, "lon": -80.04, "zip": "", "city": "4 NNW Moncks Corner", "date": "2026-08-22", "county": "Berkeley", "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": "Pinopolis sensor reported a 56 knot wind gust.", "sourceDetail": "NWS CHS — Official NWS Obs via Iowa Mesonet", "windSpeedMph": 64, "evidenceLevel": "reported" }, { "id": "iem-ww-CHS-SV-W-81-Charleston-wind-2026-08-22", "zip": "", "city": "Charleston", "date": "2026-08-22", "county": "Charleston", "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 CHS for Charleston on 2026-08-22. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS CHS — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "CHS-SV-W-81" }, { "id": "iem-ww-CHS-SV-W-75-Charleston-wind-2026-08-13", "zip": "", "city": "Charleston", "date": "2026-08-13", "county": "Charleston", "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 CHS for Charleston on 2026-08-13. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS CHS — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "CHS-SV-W-75" }, { "id": "iem-ww-CHS-SV-W-73-Charleston-wind-2026-08-13", "zip": "", "city": "Charleston", "date": "2026-08-13", "county": "Charleston", "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 CHS for Charleston on 2026-08-13. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS CHS — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "CHS-SV-W-73" }, { "id": "iem-ww-CHS-SV-W-73-Charleston-hail-2026-08-13", "zip": "", "city": "Charleston", "date": "2026-08-13", "county": "Charleston", "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 CHS for Charleston on 2026-08-13. Storm tag hail: 1\". This is a warning — not a confirmed event.", "sourceDetail": "NWS CHS — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1, "warningProductKey": "CHS-SV-W-73" }, { "id": "iem-ww-CHS-SV-W-71-Charleston-wind-2026-08-13", "zip": "", "city": "Charleston", "date": "2026-08-13", "county": "Charleston", "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 CHS for Charleston on 2026-08-13. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS CHS — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "CHS-SV-W-71" }, { "id": "iem-ww-CHS-SV-W-71-Charleston-hail-2026-08-13", "zip": "", "city": "Charleston", "date": "2026-08-13", "county": "Charleston", "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 CHS for Charleston on 2026-08-13. Storm tag hail: 1\". This is a warning — not a confirmed event.", "sourceDetail": "NWS CHS — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1, "warningProductKey": "CHS-SV-W-71" }, { "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-ww-CHS-SV-W-58-Charleston-wind-2026-07-29", "zip": "", "city": "Charleston", "date": "2026-07-29", "county": "Charleston", "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 CHS for Charleston on 2026-07-29. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS CHS — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "CHS-SV-W-58" }, { "id": "iem-ww-CHS-SV-W-58-Charleston-hail-2026-07-29", "zip": "", "city": "Charleston", "date": "2026-07-29", "county": "Charleston", "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 CHS for Charleston on 2026-07-29. Storm tag hail: 1\". This is a warning — not a confirmed event.", "sourceDetail": "NWS CHS — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1, "warningProductKey": "CHS-SV-W-58" }, { "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-ww-CHS-SV-W-46-Charleston-wind-2026-07-11", "zip": "", "city": "Charleston", "date": "2026-07-11", "county": "Charleston", "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 CHS for Charleston on 2026-07-11. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS CHS — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "CHS-SV-W-46" }, { "id": "iem-ww-CHS-SV-W-46-Charleston-hail-2026-07-11", "zip": "", "city": "Charleston", "date": "2026-07-11", "county": "Charleston", "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 CHS for Charleston on 2026-07-11. Storm tag hail: 1\". This is a warning — not a confirmed event.", "sourceDetail": "NWS CHS — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1, "warningProductKey": "CHS-SV-W-46" }, { "id": "iem-ww-CHS-SV-W-47-Charleston-wind-2026-07-11", "zip": "", "city": "Charleston", "date": "2026-07-11", "county": "Charleston", "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 CHS for Charleston on 2026-07-11. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS CHS — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "CHS-SV-W-47" }, { "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-ww-CHS-SV-W-42-Charleston-wind-2026-07-10", "zip": "", "city": "Charleston", "date": "2026-07-10", "county": "Charleston", "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 CHS for Charleston on 2026-07-10. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS CHS — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "CHS-SV-W-42" }, { "id": "iem-ww-CHS-SV-W-42-Charleston-hail-2026-07-10", "zip": "", "city": "Charleston", "date": "2026-07-10", "county": "Charleston", "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 CHS for Charleston on 2026-07-10. Storm tag hail: 1\". This is a warning — not a confirmed event.", "sourceDetail": "NWS CHS — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1, "warningProductKey": "CHS-SV-W-42" }, { "id": "iem-ww-CHS-SV-W-43-Charleston-wind-2026-07-10", "zip": "", "city": "Charleston", "date": "2026-07-10", "county": "Charleston", "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 CHS for Charleston on 2026-07-10. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS CHS — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "CHS-SV-W-43" }, { "id": "iem-ww-CHS-SV-W-43-Charleston-hail-2026-07-10", "zip": "", "city": "Charleston", "date": "2026-07-10", "county": "Charleston", "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 CHS for Charleston on 2026-07-10. Storm tag hail: 1\". This is a warning — not a confirmed event.", "sourceDetail": "NWS CHS — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1, "warningProductKey": "CHS-SV-W-43" }, { "id": "iem-ww-CHS-SV-W-41-Charleston-wind-2026-07-08", "zip": "", "city": "Charleston", "date": "2026-07-08", "county": "Charleston", "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 CHS for Charleston on 2026-07-08. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS CHS — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "CHS-SV-W-41" }, { "id": "iem-ww-CHS-SV-W-39-Charleston-wind-2026-07-07", "zip": "", "city": "Charleston", "date": "2026-07-07", "county": "Charleston", "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 CHS for Charleston on 2026-07-07. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS CHS — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "CHS-SV-W-39" }, { "id": "iem-ww-CHS-SV-W-39-Charleston-hail-2026-07-07", "zip": "", "city": "Charleston", "date": "2026-07-07", "county": "Charleston", "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 CHS for Charleston on 2026-07-07. Storm tag hail: 1\". This is a warning — not a confirmed event.", "sourceDetail": "NWS CHS — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1, "warningProductKey": "CHS-SV-W-39" }, { "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-ww-CHS-SV-W-33-Charleston-wind-2026-07-05", "zip": "", "city": "Charleston", "date": "2026-07-05", "county": "Charleston", "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 CHS for Charleston on 2026-07-05. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS CHS — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "CHS-SV-W-33" }, { "id": "iem-ww-CHS-SV-W-33-Charleston-hail-2026-07-05", "zip": "", "city": "Charleston", "date": "2026-07-05", "county": "Charleston", "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 CHS for Charleston on 2026-07-05. Storm tag hail: 1\". This is a warning — not a confirmed event.", "sourceDetail": "NWS CHS — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1, "warningProductKey": "CHS-SV-W-33" }, { "id": "iem-ww-CHS-SV-W-31-Charleston-wind-2026-07-05", "zip": "", "city": "Charleston", "date": "2026-07-05", "county": "Charleston", "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 CHS for Charleston on 2026-07-05. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS CHS — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "CHS-SV-W-31" }, { "id": "iem-ww-CHS-SV-W-31-Charleston-hail-2026-07-05", "zip": "", "city": "Charleston", "date": "2026-07-05", "county": "Charleston", "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 CHS for Charleston on 2026-07-05. Storm tag hail: 1\". This is a warning — not a confirmed event.", "sourceDetail": "NWS CHS — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1, "warningProductKey": "CHS-SV-W-31" }, { "id": "iem-ww-CHS-SV-W-32-Charleston-wind-2026-07-05", "zip": "", "city": "Charleston", "date": "2026-07-05", "county": "Charleston", "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 CHS for Charleston on 2026-07-05. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS CHS — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "CHS-SV-W-32" }, { "id": "iem-ww-CHS-SV-W-32-Charleston-hail-2026-07-05", "zip": "", "city": "Charleston", "date": "2026-07-05", "county": "Charleston", "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 CHS for Charleston on 2026-07-05. Storm tag hail: 1\". This is a warning — not a confirmed event.", "sourceDetail": "NWS CHS — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1, "warningProductKey": "CHS-SV-W-32" }, { "id": "iem-ww-CHS-SV-W-34-Charleston-wind-2026-07-05", "zip": "", "city": "Charleston", "date": "2026-07-05", "county": "Charleston", "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 CHS for Charleston on 2026-07-05. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS CHS — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "CHS-SV-W-34" }, { "id": "iem-ww-CHS-SV-W-34-Charleston-hail-2026-07-05", "zip": "", "city": "Charleston", "date": "2026-07-05", "county": "Charleston", "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 CHS for Charleston on 2026-07-05. Storm tag hail: 1\". This is a warning — not a confirmed event.", "sourceDetail": "NWS CHS — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1, "warningProductKey": "CHS-SV-W-34" }, { "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-ww-CHS-SV-W-24-Charleston-wind-2026-06-18", "zip": "", "city": "Charleston", "date": "2026-06-18", "county": "Charleston", "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 CHS for Charleston on 2026-06-18. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS CHS — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "CHS-SV-W-24" }, { "id": "iem-ww-CHS-SV-W-14-Charleston-wind-2026-06-14", "zip": "", "city": "Charleston", "date": "2026-06-14", "county": "Charleston", "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 CHS for Charleston on 2026-06-14. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS CHS — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "CHS-SV-W-14" }, { "id": "iem-ww-CHS-SV-W-16-Charleston-wind-2026-06-14", "zip": "", "city": "Charleston", "date": "2026-06-14", "county": "Charleston", "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 CHS for Charleston on 2026-06-14. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS CHS — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "CHS-SV-W-16" }, { "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-ww-CHS-SV-W-9-Charleston-wind-2026-06-12", "zip": "", "city": "Charleston", "date": "2026-06-12", "county": "Charleston", "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 CHS for Charleston on 2026-06-12. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS CHS — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "CHS-SV-W-9" }, { "id": "iem-ww-CHS-SV-W-9-Charleston-hail-2026-06-12", "zip": "", "city": "Charleston", "date": "2026-06-12", "county": "Charleston", "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 CHS for Charleston on 2026-06-12. Storm tag hail: 1\". This is a warning — not a confirmed event.", "sourceDetail": "NWS CHS — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1, "warningProductKey": "CHS-SV-W-9" }, { "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" }, { "id": "iem-ww-CHS-SV-W-4-Charleston-wind-2026-03-15", "zip": "", "city": "Charleston", "date": "2026-03-15", "county": "Charleston", "source": "IEM Watch/Warn Archive", "severity": "moderate", "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 CHS for Charleston on 2026-03-15. Storm tag wind: 50 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS CHS — Severe Thunderstorm Warning", "windSpeedMph": 50, "evidenceLevel": "warning", "warningProductKey": "CHS-SV-W-4" }, { "id": "iem-ww-CHS-SV-W-4-Charleston-hail-2026-03-15", "zip": "", "city": "Charleston", "date": "2026-03-15", "county": "Charleston", "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 CHS for Charleston on 2026-03-15. Storm tag hail: 1\". This is a warning — not a confirmed event.", "sourceDetail": "NWS CHS — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1, "warningProductKey": "CHS-SV-W-4" }, { "id": "ncei-1316772-2026-03-15", "lon": 210858, "zip": "", "city": "DRAYTON", "date": "2026-03-15", "county": "Charleston", "source": "NCEI Storm Events Database", "severity": "moderate", "eventType": "hail", "confidence": 0.95, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "A retired NWS employee reported penny sized hail in the Village Green subdivision.", "sourceDetail": "Verified by NWS Employee — NCEI Event #1316772", "evidenceLevel": "official_backfill", "hailSizeInches": 0.75 }, { "id": "fema-3632-Charleston", "zip": "", "city": "Charleston", "date": "2026-01-21", "county": "Charleston", "source": "FEMA Declaration", "severity": "moderate", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Federal disaster declaration: SEVERE WINTER STORM", "sourceDetail": "FEMA DR-3632: SEVERE WINTER STORM", "evidenceLevel": "official_backfill" } ] }