{
 "dataset": "Rock Hill, SC storm events — 12-month window, 25-mile radius plus York 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": 46,
 "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": "nws-alert-1a592a0342112ae1.001-York-wind",
   "zip": "",
   "city": "York",
   "date": "2026-09-18",
   "county": "York",
   "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 York. Severe Thunderstorm Warning issued September 18 at 5:35PM EDT until September 18 at 6:15PM EDT by NWS Greenville-Spartanburg SC",
   "sourceDetail": "NWS Greenville-Spartanburg SC — Severe Thunderstorm Warning",
   "windSpeedMph": 60,
   "evidenceLevel": "warning",
   "warningProductKey": "GSP-SV-W-343"
  },
  {
   "id": "iem-ww-GSP-SV-W-343-York-hail-2026-09-18",
   "zip": "",
   "city": "York",
   "date": "2026-09-18",
   "county": "York",
   "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 GSP for York on 2026-09-18. Storm tag hail: 0.75\". This is a warning — not a confirmed event.",
   "sourceDetail": "NWS GSP — Severe Thunderstorm Warning",
   "evidenceLevel": "warning",
   "hailSizeInches": 0.75,
   "warningProductKey": "GSP-SV-W-343"
  },
  {
   "id": "iem-ww-GSP-SV-W-330-York-wind-2026-09-06",
   "zip": "",
   "city": "York",
   "date": "2026-09-06",
   "county": "York",
   "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 GSP for York on 2026-09-06. Storm tag wind: 60 mph. This is a warning — not a confirmed event.",
   "sourceDetail": "NWS GSP — Severe Thunderstorm Warning",
   "windSpeedMph": 60,
   "evidenceLevel": "warning",
   "warningProductKey": "GSP-SV-W-330"
  },
  {
   "id": "iem-ww-GSP-SV-W-330-York-hail-2026-09-06",
   "zip": "",
   "city": "York",
   "date": "2026-09-06",
   "county": "York",
   "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 GSP for York on 2026-09-06. Storm tag hail: 0.88\". This is a warning — not a confirmed event.",
   "sourceDetail": "NWS GSP — Severe Thunderstorm Warning",
   "evidenceLevel": "warning",
   "hailSizeInches": 0.88,
   "warningProductKey": "GSP-SV-W-330"
  },
  {
   "id": "iem-ww-GSP-SV-W-335-York-wind-2026-09-06",
   "zip": "",
   "city": "York",
   "date": "2026-09-06",
   "county": "York",
   "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 GSP for York on 2026-09-06. Storm tag wind: 60 mph. This is a warning — not a confirmed event.",
   "sourceDetail": "NWS GSP — Severe Thunderstorm Warning",
   "windSpeedMph": 60,
   "evidenceLevel": "warning",
   "warningProductKey": "GSP-SV-W-335"
  },
  {
   "id": "iem-ww-GSP-SV-W-335-York-hail-2026-09-06",
   "zip": "",
   "city": "York",
   "date": "2026-09-06",
   "county": "York",
   "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 GSP for York on 2026-09-06. Storm tag hail: 1\". This is a warning — not a confirmed event.",
   "sourceDetail": "NWS GSP — Severe Thunderstorm Warning",
   "evidenceLevel": "warning",
   "hailSizeInches": 1,
   "warningProductKey": "GSP-SV-W-335"
  },
  {
   "id": "iem-ww-GSP-SV-W-314-York-wind-2026-09-05",
   "zip": "",
   "city": "York",
   "date": "2026-09-05",
   "county": "York",
   "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 GSP for York on 2026-09-05. This is a warning — not a confirmed event.",
   "sourceDetail": "NWS GSP — Severe Thunderstorm Warning",
   "evidenceLevel": "warning",
   "warningProductKey": "GSP-SV-W-314"
  },
  {
   "id": "iem-ww-GSP-SV-W-295-York-wind-2026-08-28",
   "zip": "",
   "city": "York",
   "date": "2026-08-28",
   "county": "York",
   "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 GSP for York on 2026-08-28. Storm tag wind: 60 mph. This is a warning — not a confirmed event.",
   "sourceDetail": "NWS GSP — Severe Thunderstorm Warning",
   "windSpeedMph": 60,
   "evidenceLevel": "warning",
   "warningProductKey": "GSP-SV-W-295"
  },
  {
   "id": "iem-ww-GSP-SV-W-295-York-hail-2026-08-28",
   "zip": "",
   "city": "York",
   "date": "2026-08-28",
   "county": "York",
   "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 GSP for York on 2026-08-28. Storm tag hail: 0.75\". This is a warning — not a confirmed event.",
   "sourceDetail": "NWS GSP — Severe Thunderstorm Warning",
   "evidenceLevel": "warning",
   "hailSizeInches": 0.75,
   "warningProductKey": "GSP-SV-W-295"
  },
  {
   "id": "iem-ww-GSP-SV-W-293-York-wind-2026-08-28",
   "zip": "",
   "city": "York",
   "date": "2026-08-28",
   "county": "York",
   "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 GSP for York on 2026-08-28. Storm tag wind: 60 mph. This is a warning — not a confirmed event.",
   "sourceDetail": "NWS GSP — Severe Thunderstorm Warning",
   "windSpeedMph": 60,
   "evidenceLevel": "warning",
   "warningProductKey": "GSP-SV-W-293"
  },
  {
   "id": "iem-ww-GSP-SV-W-293-York-hail-2026-08-28",
   "zip": "",
   "city": "York",
   "date": "2026-08-28",
   "county": "York",
   "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 GSP for York on 2026-08-28. Storm tag hail: 0.88\". This is a warning — not a confirmed event.",
   "sourceDetail": "NWS GSP — Severe Thunderstorm Warning",
   "evidenceLevel": "warning",
   "hailSizeInches": 0.88,
   "warningProductKey": "GSP-SV-W-293"
  },
  {
   "id": "iem-ww-GSP-SV-W-270-York-wind-2026-08-21",
   "zip": "",
   "city": "York",
   "date": "2026-08-21",
   "county": "York",
   "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 GSP for York on 2026-08-21. Storm tag wind: 60 mph. This is a warning — not a confirmed event.",
   "sourceDetail": "NWS GSP — Severe Thunderstorm Warning",
   "windSpeedMph": 60,
   "evidenceLevel": "warning",
   "warningProductKey": "GSP-SV-W-270"
  },
  {
   "id": "iem-ww-GSP-SV-W-270-York-hail-2026-08-21",
   "zip": "",
   "city": "York",
   "date": "2026-08-21",
   "county": "York",
   "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 GSP for York on 2026-08-21. Storm tag hail: 1\". This is a warning — not a confirmed event.",
   "sourceDetail": "NWS GSP — Severe Thunderstorm Warning",
   "evidenceLevel": "warning",
   "hailSizeInches": 1,
   "warningProductKey": "GSP-SV-W-270"
  },
  {
   "id": "iem-ww-GSP-SV-W-273-York-wind-2026-08-21",
   "zip": "",
   "city": "York",
   "date": "2026-08-21",
   "county": "York",
   "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 GSP for York on 2026-08-21. Storm tag wind: 60 mph. This is a warning — not a confirmed event.",
   "sourceDetail": "NWS GSP — Severe Thunderstorm Warning",
   "windSpeedMph": 60,
   "evidenceLevel": "warning",
   "warningProductKey": "GSP-SV-W-273"
  },
  {
   "id": "iem-ww-GSP-SV-W-273-York-hail-2026-08-21",
   "zip": "",
   "city": "York",
   "date": "2026-08-21",
   "county": "York",
   "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 GSP for York on 2026-08-21. Storm tag hail: 1\". This is a warning — not a confirmed event.",
   "sourceDetail": "NWS GSP — Severe Thunderstorm Warning",
   "evidenceLevel": "warning",
   "hailSizeInches": 1,
   "warningProductKey": "GSP-SV-W-273"
  },
  {
   "id": "iem-ww-GSP-SV-W-220-York-wind-2026-08-11",
   "zip": "",
   "city": "York",
   "date": "2026-08-11",
   "county": "York",
   "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 GSP for York on 2026-08-11. Storm tag wind: 60 mph. This is a warning — not a confirmed event.",
   "sourceDetail": "NWS GSP — Severe Thunderstorm Warning",
   "windSpeedMph": 60,
   "evidenceLevel": "warning",
   "warningProductKey": "GSP-SV-W-220"
  },
  {
   "id": "iem-ww-GSP-SV-W-220-York-hail-2026-08-11",
   "zip": "",
   "city": "York",
   "date": "2026-08-11",
   "county": "York",
   "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 GSP for York on 2026-08-11. Storm tag hail: 0.88\". This is a warning — not a confirmed event.",
   "sourceDetail": "NWS GSP — Severe Thunderstorm Warning",
   "evidenceLevel": "warning",
   "hailSizeInches": 0.88,
   "warningProductKey": "GSP-SV-W-220"
  },
  {
   "id": "iem-ww-GSP-SV-W-218-York-wind-2026-08-11",
   "zip": "",
   "city": "York",
   "date": "2026-08-11",
   "county": "York",
   "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 GSP for York on 2026-08-11. Storm tag wind: 60 mph. This is a warning — not a confirmed event.",
   "sourceDetail": "NWS GSP — Severe Thunderstorm Warning",
   "windSpeedMph": 60,
   "evidenceLevel": "warning",
   "warningProductKey": "GSP-SV-W-218"
  },
  {
   "id": "iem-ww-GSP-SV-W-218-York-hail-2026-08-11",
   "zip": "",
   "city": "York",
   "date": "2026-08-11",
   "county": "York",
   "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 GSP for York on 2026-08-11. Storm tag hail: 1\". This is a warning — not a confirmed event.",
   "sourceDetail": "NWS GSP — Severe Thunderstorm Warning",
   "evidenceLevel": "warning",
   "hailSizeInches": 1,
   "warningProductKey": "GSP-SV-W-218"
  },
  {
   "id": "iem-ww-GSP-SV-W-217-York-wind-2026-08-11",
   "zip": "",
   "city": "York",
   "date": "2026-08-11",
   "county": "York",
   "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 GSP for York on 2026-08-11. Storm tag wind: 60 mph. This is a warning — not a confirmed event.",
   "sourceDetail": "NWS GSP — Severe Thunderstorm Warning",
   "windSpeedMph": 60,
   "evidenceLevel": "warning",
   "warningProductKey": "GSP-SV-W-217"
  },
  {
   "id": "iem-ww-GSP-SV-W-217-York-hail-2026-08-11",
   "zip": "",
   "city": "York",
   "date": "2026-08-11",
   "county": "York",
   "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 GSP for York on 2026-08-11. Storm tag hail: 0.88\". This is a warning — not a confirmed event.",
   "sourceDetail": "NWS GSP — Severe Thunderstorm Warning",
   "evidenceLevel": "warning",
   "hailSizeInches": 0.88,
   "warningProductKey": "GSP-SV-W-217"
  },
  {
   "id": "iem-ww-GSP-SV-W-183-York-wind-2026-08-06",
   "zip": "",
   "city": "York",
   "date": "2026-08-06",
   "county": "York",
   "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 GSP for York on 2026-08-06. Storm tag wind: 60 mph. This is a warning — not a confirmed event.",
   "sourceDetail": "NWS GSP — Severe Thunderstorm Warning",
   "windSpeedMph": 60,
   "evidenceLevel": "warning",
   "warningProductKey": "GSP-SV-W-183"
  },
  {
   "id": "iem-ww-GSP-SV-W-183-York-hail-2026-08-06",
   "zip": "",
   "city": "York",
   "date": "2026-08-06",
   "county": "York",
   "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 GSP for York on 2026-08-06. Storm tag hail: 1\". This is a warning — not a confirmed event.",
   "sourceDetail": "NWS GSP — Severe Thunderstorm Warning",
   "evidenceLevel": "warning",
   "hailSizeInches": 1,
   "warningProductKey": "GSP-SV-W-183"
  },
  {
   "id": "iem-ww-GSP-SV-W-179-York-wind-2026-08-02",
   "zip": "",
   "city": "York",
   "date": "2026-08-02",
   "county": "York",
   "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 GSP for York on 2026-08-02. Storm tag wind: 60 mph. This is a warning — not a confirmed event.",
   "sourceDetail": "NWS GSP — Severe Thunderstorm Warning",
   "windSpeedMph": 60,
   "evidenceLevel": "warning",
   "warningProductKey": "GSP-SV-W-179"
  },
  {
   "id": "iem-ww-GSP-SV-W-179-York-hail-2026-08-02",
   "zip": "",
   "city": "York",
   "date": "2026-08-02",
   "county": "York",
   "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 GSP for York on 2026-08-02. Storm tag hail: 0.75\". This is a warning — not a confirmed event.",
   "sourceDetail": "NWS GSP — Severe Thunderstorm Warning",
   "evidenceLevel": "warning",
   "hailSizeInches": 0.75,
   "warningProductKey": "GSP-SV-W-179"
  },
  {
   "id": "iem-ww-GSP-SV-W-165-York-wind-2026-07-28",
   "zip": "",
   "city": "York",
   "date": "2026-07-28",
   "county": "York",
   "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 GSP for York on 2026-07-28. Storm tag wind: 60 mph. This is a warning — not a confirmed event.",
   "sourceDetail": "NWS GSP — Severe Thunderstorm Warning",
   "windSpeedMph": 60,
   "evidenceLevel": "warning",
   "warningProductKey": "GSP-SV-W-165"
  },
  {
   "id": "iem-ww-GSP-SV-W-165-York-hail-2026-07-28",
   "zip": "",
   "city": "York",
   "date": "2026-07-28",
   "county": "York",
   "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 GSP for York on 2026-07-28. Storm tag hail: 0.88\". This is a warning — not a confirmed event.",
   "sourceDetail": "NWS GSP — Severe Thunderstorm Warning",
   "evidenceLevel": "warning",
   "hailSizeInches": 0.88,
   "warningProductKey": "GSP-SV-W-165"
  },
  {
   "id": "iem-ww-GSP-SV-W-171-York-wind-2026-07-28",
   "zip": "",
   "city": "York",
   "date": "2026-07-28",
   "county": "York",
   "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 GSP for York on 2026-07-28. Storm tag wind: 60 mph. This is a warning — not a confirmed event.",
   "sourceDetail": "NWS GSP — Severe Thunderstorm Warning",
   "windSpeedMph": 60,
   "evidenceLevel": "warning",
   "warningProductKey": "GSP-SV-W-171"
  },
  {
   "id": "iem-ww-GSP-SV-W-171-York-hail-2026-07-28",
   "zip": "",
   "city": "York",
   "date": "2026-07-28",
   "county": "York",
   "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 GSP for York on 2026-07-28. Storm tag hail: 1\". This is a warning — not a confirmed event.",
   "sourceDetail": "NWS GSP — Severe Thunderstorm Warning",
   "evidenceLevel": "warning",
   "hailSizeInches": 1,
   "warningProductKey": "GSP-SV-W-171"
  },
  {
   "id": "iem-ww-GSP-SV-W-111-York-wind-2026-07-10",
   "zip": "",
   "city": "York",
   "date": "2026-07-10",
   "county": "York",
   "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 GSP for York on 2026-07-10. Storm tag wind: 60 mph. This is a warning — not a confirmed event.",
   "sourceDetail": "NWS GSP — Severe Thunderstorm Warning",
   "windSpeedMph": 60,
   "evidenceLevel": "warning",
   "warningProductKey": "GSP-SV-W-111"
  },
  {
   "id": "iem-ww-GSP-SV-W-111-York-hail-2026-07-10",
   "zip": "",
   "city": "York",
   "date": "2026-07-10",
   "county": "York",
   "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 GSP for York on 2026-07-10. Storm tag hail: 0.75\". This is a warning — not a confirmed event.",
   "sourceDetail": "NWS GSP — Severe Thunderstorm Warning",
   "evidenceLevel": "warning",
   "hailSizeInches": 0.75,
   "warningProductKey": "GSP-SV-W-111"
  },
  {
   "id": "iem-ww-GSP-SV-W-105-York-wind-2026-07-05",
   "zip": "",
   "city": "York",
   "date": "2026-07-05",
   "county": "York",
   "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 GSP for York on 2026-07-05. Storm tag wind: 60 mph. This is a warning — not a confirmed event.",
   "sourceDetail": "NWS GSP — Severe Thunderstorm Warning",
   "windSpeedMph": 60,
   "evidenceLevel": "warning",
   "warningProductKey": "GSP-SV-W-105"
  },
  {
   "id": "iem-ww-GSP-SV-W-105-York-hail-2026-07-05",
   "zip": "",
   "city": "York",
   "date": "2026-07-05",
   "county": "York",
   "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 GSP for York on 2026-07-05. Storm tag hail: 0.75\". This is a warning — not a confirmed event.",
   "sourceDetail": "NWS GSP — Severe Thunderstorm Warning",
   "evidenceLevel": "warning",
   "hailSizeInches": 0.75,
   "warningProductKey": "GSP-SV-W-105"
  },
  {
   "id": "iem-ww-GSP-SV-W-66-York-wind-2026-06-28",
   "zip": "",
   "city": "York",
   "date": "2026-06-28",
   "county": "York",
   "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 GSP for York on 2026-06-28. Storm tag wind: 60 mph. This is a warning — not a confirmed event.",
   "sourceDetail": "NWS GSP — Severe Thunderstorm Warning",
   "windSpeedMph": 60,
   "evidenceLevel": "warning",
   "warningProductKey": "GSP-SV-W-66"
  },
  {
   "id": "iem-ww-GSP-SV-W-66-York-hail-2026-06-28",
   "zip": "",
   "city": "York",
   "date": "2026-06-28",
   "county": "York",
   "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 GSP for York on 2026-06-28. Storm tag hail: 0.75\". This is a warning — not a confirmed event.",
   "sourceDetail": "NWS GSP — Severe Thunderstorm Warning",
   "evidenceLevel": "warning",
   "hailSizeInches": 0.75,
   "warningProductKey": "GSP-SV-W-66"
  },
  {
   "id": "iem-ww-GSP-SV-W-65-York-wind-2026-06-28",
   "zip": "",
   "city": "York",
   "date": "2026-06-28",
   "county": "York",
   "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 GSP for York on 2026-06-28. Storm tag wind: 60 mph. This is a warning — not a confirmed event.",
   "sourceDetail": "NWS GSP — Severe Thunderstorm Warning",
   "windSpeedMph": 60,
   "evidenceLevel": "warning",
   "warningProductKey": "GSP-SV-W-65"
  },
  {
   "id": "iem-ww-GSP-SV-W-65-York-hail-2026-06-28",
   "zip": "",
   "city": "York",
   "date": "2026-06-28",
   "county": "York",
   "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 GSP for York on 2026-06-28. Storm tag hail: 0.75\". This is a warning — not a confirmed event.",
   "sourceDetail": "NWS GSP — Severe Thunderstorm Warning",
   "evidenceLevel": "warning",
   "hailSizeInches": 0.75,
   "warningProductKey": "GSP-SV-W-65"
  },
  {
   "id": "iem-ww-GSP-SV-W-61-York-wind-2026-06-27",
   "zip": "",
   "city": "York",
   "date": "2026-06-27",
   "county": "York",
   "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 GSP for York on 2026-06-27. Storm tag wind: 60 mph. This is a warning — not a confirmed event.",
   "sourceDetail": "NWS GSP — Severe Thunderstorm Warning",
   "windSpeedMph": 60,
   "evidenceLevel": "warning",
   "warningProductKey": "GSP-SV-W-61"
  },
  {
   "id": "iem-ww-GSP-SV-W-61-York-hail-2026-06-27",
   "zip": "",
   "city": "York",
   "date": "2026-06-27",
   "county": "York",
   "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 GSP for York on 2026-06-27. Storm tag hail: 1\". This is a warning — not a confirmed event.",
   "sourceDetail": "NWS GSP — Severe Thunderstorm Warning",
   "evidenceLevel": "warning",
   "hailSizeInches": 1,
   "warningProductKey": "GSP-SV-W-61"
  },
  {
   "id": "iem-ww-GSP-SV-W-38-York-wind-2026-06-01",
   "zip": "",
   "city": "York",
   "date": "2026-06-01",
   "county": "York",
   "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 GSP for York on 2026-06-01. Storm tag wind: 60 mph. This is a warning — not a confirmed event.",
   "sourceDetail": "NWS GSP — Severe Thunderstorm Warning",
   "windSpeedMph": 60,
   "evidenceLevel": "warning",
   "warningProductKey": "GSP-SV-W-38"
  },
  {
   "id": "iem-ww-GSP-SV-W-38-York-hail-2026-06-01",
   "zip": "",
   "city": "York",
   "date": "2026-06-01",
   "county": "York",
   "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 GSP for York on 2026-06-01. Storm tag hail: 1\". This is a warning — not a confirmed event.",
   "sourceDetail": "NWS GSP — Severe Thunderstorm Warning",
   "evidenceLevel": "warning",
   "hailSizeInches": 1,
   "warningProductKey": "GSP-SV-W-38"
  },
  {
   "id": "iem-ww-GSP-SV-W-21-York-wind-2026-03-16",
   "zip": "",
   "city": "York",
   "date": "2026-03-16",
   "county": "York",
   "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 GSP for York on 2026-03-16. Storm tag wind: 60 mph. This is a warning — not a confirmed event.",
   "sourceDetail": "NWS GSP — Severe Thunderstorm Warning",
   "windSpeedMph": 60,
   "evidenceLevel": "warning",
   "warningProductKey": "GSP-SV-W-21"
  },
  {
   "id": "iem-ww-GSP-SV-W-21-York-hail-2026-03-16",
   "zip": "",
   "city": "York",
   "date": "2026-03-16",
   "county": "York",
   "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 GSP for York on 2026-03-16. Storm tag hail: 0.75\". This is a warning — not a confirmed event.",
   "sourceDetail": "NWS GSP — Severe Thunderstorm Warning",
   "evidenceLevel": "warning",
   "hailSizeInches": 0.75,
   "warningProductKey": "GSP-SV-W-21"
  },
  {
   "id": "iem-ww-GSP-SV-W-2-York-wind-2026-03-12",
   "zip": "",
   "city": "York",
   "date": "2026-03-12",
   "county": "York",
   "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 GSP for York on 2026-03-12. Storm tag wind: 60 mph. This is a warning — not a confirmed event.",
   "sourceDetail": "NWS GSP — Severe Thunderstorm Warning",
   "windSpeedMph": 60,
   "evidenceLevel": "warning",
   "warningProductKey": "GSP-SV-W-2"
  },
  {
   "id": "iem-ww-GSP-SV-W-2-York-hail-2026-03-12",
   "zip": "",
   "city": "York",
   "date": "2026-03-12",
   "county": "York",
   "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 GSP for York on 2026-03-12. Storm tag hail: 0.75\". This is a warning — not a confirmed event.",
   "sourceDetail": "NWS GSP — Severe Thunderstorm Warning",
   "evidenceLevel": "warning",
   "hailSizeInches": 0.75,
   "warningProductKey": "GSP-SV-W-2"
  },
  {
   "id": "fema-3632-York",
   "zip": "",
   "city": "York",
   "date": "2026-01-21",
   "county": "York",
   "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"
  }
 ]
}