{
 "dataset": "Nashua, NH 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": "2026-08-24T12:25:08.056+00:00",
 "window_days": 365,
 "event_count": 17,
 "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-2026-07-22-hail-42.81--71.25",
   "lat": 42.81,
   "lon": -71.25,
   "zip": "",
   "city": "3 NW Salem",
   "date": "2026-07-22",
   "county": "Rockingham",
   "source": "IEM Local Storm Reports",
   "severity": "high",
   "eventType": "hail",
   "confidence": 0.92,
   "damageTypes": [
    "Shingle bruising",
    "Granule displacement",
    "Metal denting",
    "Vehicle damage"
   ],
   "description": "Reported by Weather Spotter.",
   "sourceDetail": "NWS GYX — Public via Iowa Mesonet",
   "evidenceLevel": "reported",
   "hailSizeInches": 1
  },
  {
   "id": "iem-lsr-2026-07-22-hail-42.82--71.10",
   "lat": 42.82,
   "lon": -71.1,
   "zip": "",
   "city": "1 S Plaistow",
   "date": "2026-07-22",
   "county": "Rockingham",
   "source": "IEM Local Storm Reports",
   "severity": "high",
   "eventType": "hail",
   "confidence": 0.92,
   "damageTypes": [
    "Shingle bruising",
    "Granule displacement",
    "Metal denting",
    "Vehicle damage"
   ],
   "description": "Multiple social media photos of quarter-sized hail in Plaistow. Time estimated by radar.",
   "sourceDetail": "NWS GYX — Amateur Radio via Iowa Mesonet",
   "evidenceLevel": "reported",
   "hailSizeInches": 1
  },
  {
   "id": "iem-lsr-2026-07-15-hail-43.05--71.74",
   "lat": 43.05,
   "lon": -71.74,
   "zip": "",
   "city": "3 S Weare",
   "date": "2026-07-15",
   "county": "Hillsborough",
   "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 3 S Weare",
   "sourceDetail": "NWS GYX — Public via Iowa Mesonet",
   "evidenceLevel": "reported",
   "hailSizeInches": 1.25
  },
  {
   "id": "iem-lsr-2026-07-15-hail-43.04--71.68",
   "lat": 43.04,
   "lon": -71.68,
   "zip": "",
   "city": "4 WNW Goffstown",
   "date": "2026-07-15",
   "county": "Hillsborough",
   "source": "IEM Local Storm Reports",
   "severity": "high",
   "eventType": "hail",
   "confidence": 0.92,
   "damageTypes": [
    "Shingle bruising",
    "Granule displacement",
    "Metal denting",
    "Vehicle damage"
   ],
   "description": "Quarter size hail along Daniels Lake.",
   "sourceDetail": "NWS GYX — Public via Iowa Mesonet",
   "evidenceLevel": "reported",
   "hailSizeInches": 1
  },
  {
   "id": "iem-lsr-2026-07-15-hail-43.04--71.66",
   "lat": 43.04,
   "lon": -71.66,
   "zip": "",
   "city": "3 W Goffstown",
   "date": "2026-07-15",
   "county": "Hillsborough",
   "source": "IEM Local Storm Reports",
   "severity": "high",
   "eventType": "hail",
   "confidence": 0.92,
   "damageTypes": [
    "Shingle bruising",
    "Granule displacement",
    "Metal denting",
    "Vehicle damage"
   ],
   "description": "Reported by Amateur Radio. Wind-driven hail_ with smashed windows at a trailer park off of Rte 114. Time estimated by radar.",
   "sourceDetail": "NWS GYX — Amateur Radio via Iowa Mesonet",
   "evidenceLevel": "reported",
   "hailSizeInches": 1.5
  },
  {
   "id": "iem-lsr-2026-06-26-hail-43.00--71.39",
   "lat": 43,
   "lon": -71.39,
   "zip": "",
   "city": "2 W Auburn",
   "date": "2026-06-26",
   "county": "Rockingham",
   "source": "IEM Local Storm Reports",
   "severity": "high",
   "eventType": "hail",
   "confidence": 0.92,
   "damageTypes": [
    "Shingle bruising",
    "Granule displacement",
    "Metal denting",
    "Vehicle damage"
   ],
   "description": "Social media photos of hail up to 1.25in in Auburn.",
   "sourceDetail": "NWS GYX — Public via Iowa Mesonet",
   "evidenceLevel": "reported",
   "hailSizeInches": 1.25
  },
  {
   "id": "asos-bf-MHT-2026-06-18",
   "lat": 42.9328,
   "lon": -71.4358,
   "zip": "",
   "city": "MANCHESTER AIRPARK",
   "date": "2026-06-18",
   "county": "Rockingham",
   "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": "MANCHESTER AIRPARK (MHT) recorded a 52 mph gust.",
   "sourceDetail": "NH_ASOS automated observation — MANCHESTER AIRPARK (MHT) [365d backfill 2026-08]",
   "windSpeedMph": 52,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2026-03-17-wind-42.93--71.43",
   "lat": 42.93,
   "lon": -71.43,
   "zip": "",
   "city": "4 S Manchester",
   "date": "2026-03-17",
   "county": "Hillsborough",
   "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": "ASOS station KMHT Manchester.",
   "sourceDetail": "NWS GYX — ASOS via Iowa Mesonet",
   "windSpeedMph": 55,
   "evidenceLevel": "observed"
  },
  {
   "id": "asos-bf-MHT-2026-03-17",
   "lat": 42.9328,
   "lon": -71.4358,
   "zip": "",
   "city": "MANCHESTER AIRPARK",
   "date": "2026-03-17",
   "county": "Rockingham",
   "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": "MANCHESTER AIRPARK (MHT) recorded a 55 mph gust.",
   "sourceDetail": "NH_ASOS automated observation — MANCHESTER AIRPARK (MHT) [365d backfill 2026-08]",
   "windSpeedMph": 55,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2026-02-23-wind-42.73--71.49",
   "lat": 42.73,
   "lon": -71.49,
   "zip": "",
   "city": "1 S Nashua",
   "date": "2026-02-23",
   "county": "Hillsborough",
   "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": "Mesonet station GW2840 Nashua.",
   "sourceDetail": "NWS GYX — Mesonet via Iowa Mesonet",
   "windSpeedMph": 50,
   "evidenceLevel": "observed"
  },
  {
   "id": "asos-bf-MHT-2025-12-25",
   "lat": 42.9328,
   "lon": -71.4358,
   "zip": "",
   "city": "MANCHESTER AIRPARK",
   "date": "2025-12-25",
   "county": "Rockingham",
   "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": "MANCHESTER AIRPARK (MHT) recorded a 51 mph gust.",
   "sourceDetail": "NH_ASOS automated observation — MANCHESTER AIRPARK (MHT) [365d backfill 2026-08]",
   "windSpeedMph": 51,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2025-12-19-wind-42.93--71.44",
   "lat": 42.93,
   "lon": -71.44,
   "zip": "",
   "city": "Manchester Airport",
   "date": "2025-12-19",
   "county": "Hillsborough",
   "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": "NON-TSTM WND GST reported near Manchester Airport",
   "sourceDetail": "NWS GYX — ASOS via Iowa Mesonet",
   "windSpeedMph": 55,
   "evidenceLevel": "observed"
  },
  {
   "id": "asos-bf-MHT-2025-12-19",
   "lat": 42.9328,
   "lon": -71.4358,
   "zip": "",
   "city": "MANCHESTER AIRPARK",
   "date": "2025-12-19",
   "county": "Rockingham",
   "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": "MANCHESTER AIRPARK (MHT) recorded a 55 mph gust.",
   "sourceDetail": "NH_ASOS automated observation — MANCHESTER AIRPARK (MHT) [365d backfill 2026-08]",
   "windSpeedMph": 55,
   "evidenceLevel": "observed"
  },
  {
   "id": "iem-lsr-2025-09-06-hail-43.06--71.44",
   "lat": 43.06,
   "lon": -71.44,
   "zip": "",
   "city": "2 NW South Hooksett",
   "date": "2025-09-06",
   "county": "Merrimack",
   "source": "IEM Local Storm Reports",
   "severity": "high",
   "eventType": "hail",
   "confidence": 0.92,
   "damageTypes": [
    "Shingle bruising",
    "Granule displacement",
    "Metal denting",
    "Vehicle damage"
   ],
   "description": "Hail observed in a food store parking lot. Most stones were quarter-sized. Time estimated by radar.",
   "sourceDetail": "NWS GYX — Public via Iowa Mesonet",
   "evidenceLevel": "reported",
   "hailSizeInches": 1
  },
  {
   "id": "iem-lsr-2025-09-06-hail-42.72--71.86",
   "lat": 42.72,
   "lon": -71.86,
   "zip": "",
   "city": "2 SW New Ipswich",
   "date": "2025-09-06",
   "county": "Hillsborough",
   "source": "IEM Local Storm Reports",
   "severity": "high",
   "eventType": "hail",
   "confidence": 0.92,
   "damageTypes": [
    "Shingle bruising",
    "Granule displacement",
    "Metal denting",
    "Vehicle damage"
   ],
   "description": "Measured quarter-sized hail which lasted for 8 minutes. Hail accumulated in areas of lawn. Leaves and a few branches knocked down. Time estimated by radar.",
   "sourceDetail": "NWS GYX — Public via Iowa Mesonet",
   "evidenceLevel": "reported",
   "hailSizeInches": 1
  },
  {
   "id": "iem-lsr-2025-09-06-hail-42.94--71.39",
   "lat": 42.94,
   "lon": -71.39,
   "zip": "",
   "city": "4 SE Manchester",
   "date": "2025-09-06",
   "county": "Hillsborough",
   "source": "IEM Local Storm Reports",
   "severity": "high",
   "eventType": "hail",
   "confidence": 0.92,
   "damageTypes": [
    "Shingle bruising",
    "Granule displacement",
    "Metal denting",
    "Vehicle damage"
   ],
   "description": "Hail as big as 1.5 inches fell southeast of Manchester. Hail began at 3:42pm and lasted for up to 10 mins. Cracked a windshield. Observed shredded leaves and branches across the area.",
   "sourceDetail": "NWS GYX — Public via Iowa Mesonet",
   "evidenceLevel": "reported",
   "hailSizeInches": 1.5
  },
  {
   "id": "iem-lsr-2025-09-06-hail-42.87--71.50",
   "lat": 42.87,
   "lon": -71.5,
   "zip": "",
   "city": "1 W Merrimack",
   "date": "2025-09-06",
   "county": "Hillsborough",
   "source": "IEM Local Storm Reports",
   "severity": "high",
   "eventType": "hail",
   "confidence": 0.92,
   "damageTypes": [
    "Shingle bruising",
    "Granule displacement",
    "Metal denting",
    "Vehicle damage"
   ],
   "description": "QUARTER-SIZED HAIL FELL FOR 5-6 MIN. Time estimated by radar.",
   "sourceDetail": "NWS GYX — Public via Iowa Mesonet",
   "evidenceLevel": "reported",
   "hailSizeInches": 1
  }
 ]
}