{ "dataset": "Lansing, MI storm events — 12-month window, 25-mile radius plus Ingham 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": "2026-09-20T08:45:17.508+00:00", "window_days": 365, "schema_version": "2.0.0", "event_count": 122, "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-faee94e4ca5f7890.001-Eaton-wind-2026-09-04", "lat": 42.51428571428572, "lon": -84.91285714285716, "zip": "", "city": "", "date": "2026-09-04", "county": "Eaton", "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 Eaton. Max wind: 60 mph. Severe Thunderstorm Warning issued September 4 at 8:24AM EDT until September 4 at 9:15AM EDT by NWS Grand Rapids MI", "sourceDetail": "NWS Grand Rapids MI — Severe Thunderstorm Warning Max wind: 60 mph.", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "GRR-SV-W-130" }, { "id": "nws-alert-faee94e4ca5f7890.001-Eaton-hail-2026-09-04", "lat": 42.51428571428572, "lon": -84.91285714285716, "zip": "", "city": "", "date": "2026-09-04", "county": "Eaton", "source": "NWS Weather Alert", "severity": "moderate", "eventType": "hail", "confidence": 88, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning for Eaton. Max hail: 0.75\". Severe Thunderstorm Warning issued September 4 at 8:24AM EDT until September 4 at 9:15AM EDT by NWS Grand Rapids MI", "sourceDetail": "NWS Grand Rapids MI — Severe Thunderstorm Warning Max hail: 0.75\".", "evidenceLevel": "warning", "hailSizeInches": 0.75, "warningProductKey": "GRR-SV-W-130" }, { "id": "ww-GRR-SV-W-123-2026-09-03-Ingham-wind", "zip": "", "city": "", "date": "2026-09-03", "county": "Ingham", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "wind", "confidence": 70, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Hurricane wind damage" ], "description": "Severe Thunderstorm Warning issued by NWS GRR on 2026-09-03. Duration: 43 min. Counties: Eaton, Clinton, Ingham. Storm tags: wind: 60.0, hail: 1.0\". This is a warning — not a confirmed event.", "sourceDetail": "NWS GRR — Severe Thunderstorm Warning #123 (43 min)", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "GRR-SV-W-123" }, { "id": "ww-GRR-SV-W-123-2026-09-03-Ingham-hail", "zip": "", "city": "", "date": "2026-09-03", "county": "Ingham", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "hail", "confidence": 70, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning issued by NWS GRR on 2026-09-03. Duration: 43 min. Counties: Eaton, Clinton, Ingham. Storm tags: wind: 60.0, hail: 1.0\". This is a warning — not a confirmed event.", "sourceDetail": "NWS GRR — Severe Thunderstorm Warning #123 (43 min)", "evidenceLevel": "warning", "hailSizeInches": 1, "warningProductKey": "GRR-SV-W-123" }, { "id": "iem-202609031854-hail-42.75--84.43", "lat": 42.75, "lon": -84.43, "zip": "", "city": "2 W Haslett", "date": "2026-09-03", "county": "Ingham", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "hail", "confidence": 92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "HAIL reported near 2 W Haslett, MI. Hail size: 0.75\".", "sourceDetail": "NWS GRR — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 0.75 }, { "id": "asos-LAN-2026-09-03-180693", "lat": 42.78, "lon": -84.58, "zip": "", "city": "Lansing", "date": "2026-09-03", "county": "Clinton", "source": "IEM ASOS Station", "severity": "high", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Lansing (LAN) recorded a 66 mph gust.", "sourceDetail": "MI_ASOS automated observation — Lansing (LAN)", "windSpeedMph": 66, "evidenceLevel": "observed" }, { "id": "asos-LAN-2026-09-03-267227", "lat": 42.78, "lon": -84.58, "zip": "", "city": "Lansing", "date": "2026-09-03", "county": "Clinton", "source": "IEM ASOS Station", "severity": "high", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Lansing (LAN) recorded a 60 mph gust.", "sourceDetail": "MI_ASOS automated observation — Lansing (LAN)", "windSpeedMph": 60, "evidenceLevel": "observed" }, { "id": "asos-LAN-2026-09-03", "lat": 42.78, "lon": -84.58, "zip": "", "city": "Lansing", "date": "2026-09-03", "county": "Clinton", "source": "IEM ASOS Station", "severity": "moderate", "eventType": "wind", "confidence": 95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Lansing (LAN): 52 mph gust at M.", "sourceDetail": "MI_ASOS automated observation — Lansing (LAN) — peak at M", "windSpeedMph": 52, "evidenceLevel": "observed" }, { "id": "nws-alert-b4d6fbbf24828c6f.001-Shiawass-wind-2026-09-03", "lat": 42.854, "lon": -84.186, "zip": "", "city": "", "date": "2026-09-03", "county": "Shiawassee", "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 Shiawassee. Severe Thunderstorm Warning issued September 3 at 3:12PM EDT until September 3 at 3:15PM EDT by NWS Detroit/Pontiac MI", "sourceDetail": "NWS Detroit/Pontiac MI — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "DTX-SV-W-120" }, { "id": "nws-alert-ad8321f8dca83153.001-Shiawass-hail-2026-09-03", "lat": 42.854, "lon": -84.186, "zip": "", "city": "", "date": "2026-09-03", "county": "Shiawassee", "source": "NWS Weather Alert", "severity": "moderate", "eventType": "hail", "confidence": 88, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning for Shiawassee. Max hail: 0.75\". Severe Thunderstorm Warning issued September 3 at 3:02PM EDT until September 3 at 3:15PM EDT by NWS Detroit/Pontiac MI", "sourceDetail": "NWS Detroit/Pontiac MI — Severe Thunderstorm Warning Max hail: 0.75\".", "evidenceLevel": "warning", "hailSizeInches": 0.88, "warningProductKey": "DTX-SV-W-120" }, { "id": "nws-alert-a72d33f23d20fd4b.001-Gratiot-wind-2026-09-03", "lat": 42.97666666666667, "lon": -84.625, "zip": "", "city": "", "date": "2026-09-03", "county": "Gratiot", "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 Gratiot. Max wind: 60 mph. Severe Thunderstorm Warning issued September 3 at 2:14PM EDT until September 3 at 3:00PM EDT by NWS Grand Rapids MI", "sourceDetail": "NWS Grand Rapids MI — Severe Thunderstorm Warning Max wind: 60 mph.", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "GRR-SV-W-125" }, { "id": "nws-alert-a72d33f23d20fd4b.001-Gratiot-hail-2026-09-03", "lat": 42.97666666666667, "lon": -84.625, "zip": "", "city": "", "date": "2026-09-03", "county": "Gratiot", "source": "NWS Weather Alert", "severity": "high", "eventType": "hail", "confidence": 88, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning for Gratiot. Max hail: 1\". Severe Thunderstorm Warning issued September 3 at 2:14PM EDT until September 3 at 3:00PM EDT by NWS Grand Rapids MI", "sourceDetail": "NWS Grand Rapids MI — Severe Thunderstorm Warning Max hail: 1\".", "evidenceLevel": "warning", "hailSizeInches": 1, "warningProductKey": "GRR-SV-W-125" }, { "id": "nws-alert-c83ec3f9f06836c5.001-Clinton-wind-2026-09-03", "lat": 42.842000000000006, "lon": -84.51, "zip": "", "city": "", "date": "2026-09-03", "county": "Clinton", "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 Clinton. Severe Thunderstorm Warning issued September 3 at 2:56PM EDT until September 3 at 3:00PM EDT by NWS Grand Rapids MI", "sourceDetail": "NWS Grand Rapids MI — Severe Thunderstorm Warning", "windSpeedMph": 70, "evidenceLevel": "warning", "warningProductKey": "GRR-SV-W-125" }, { "id": "nws-alert-83fcc7c6daa7b950.001-Clinton-hail-2026-09-03", "lat": 42.842000000000006, "lon": -84.51, "zip": "", "city": "", "date": "2026-09-03", "county": "Clinton", "source": "NWS Weather Alert", "severity": "high", "eventType": "hail", "confidence": 88, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning for Clinton. Max hail: 0.75\". Severe Thunderstorm Warning issued September 3 at 2:51PM EDT until September 3 at 3:00PM EDT by NWS Grand Rapids MI", "sourceDetail": "NWS Grand Rapids MI — Severe Thunderstorm Warning Max hail: 0.75\".", "evidenceLevel": "warning", "hailSizeInches": 1, "warningProductKey": "GRR-SV-W-125" }, { "id": "nws-alert-496b71a0e598dcf6.001-Ingham-wind-2026-09-03", "lat": 42.57285714285715, "lon": -84.39285714285714, "zip": "", "city": "", "date": "2026-09-03", "county": "Ingham", "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 Ingham. Severe Thunderstorm Warning issued September 3 at 3:28PM EDT until September 3 at 3:30PM EDT by NWS Grand Rapids MI", "sourceDetail": "NWS Grand Rapids MI — Severe Thunderstorm Warning", "windSpeedMph": 70, "evidenceLevel": "warning", "warningProductKey": "GRR-SV-W-127" }, { "id": "nws-alert-1df0b8d397e1172a.001-Ingham-hail-2026-09-03", "lat": 42.57285714285715, "lon": -84.39285714285714, "zip": "", "city": "", "date": "2026-09-03", "county": "Ingham", "source": "NWS Weather Alert", "severity": "high", "eventType": "hail", "confidence": 88, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning for Ingham. Max hail: 0.75\". Severe Thunderstorm Warning issued September 3 at 3:16PM EDT until September 3 at 3:30PM EDT by NWS Grand Rapids MI", "sourceDetail": "NWS Grand Rapids MI — Severe Thunderstorm Warning Max hail: 0.75\".", "evidenceLevel": "warning", "hailSizeInches": 1, "warningProductKey": "GRR-SV-W-127" }, { "id": "nws-alert-6d0f7d88cdf30c63.001-Eaton-wind-2026-09-03", "lat": 42.675000000000004, "lon": -84.415, "zip": "", "city": "", "date": "2026-09-03", "county": "Eaton", "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 Eaton. Max wind: 70 mph. Severe Thunderstorm Warning issued September 3 at 2:46PM EDT until September 3 at 3:30PM EDT by NWS Grand Rapids MI", "sourceDetail": "NWS Grand Rapids MI — Severe Thunderstorm Warning Max wind: 70 mph.", "windSpeedMph": 70, "evidenceLevel": "warning", "warningProductKey": "GRR-SV-W-127" }, { "id": "nws-alert-6d0f7d88cdf30c63.001-Eaton-hail-2026-09-03", "lat": 42.675000000000004, "lon": -84.415, "zip": "", "city": "", "date": "2026-09-03", "county": "Eaton", "source": "NWS Weather Alert", "severity": "high", "eventType": "hail", "confidence": 88, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning for Eaton. Max hail: 0.75\". Severe Thunderstorm Warning issued September 3 at 2:46PM EDT until September 3 at 3:30PM EDT by NWS Grand Rapids MI", "sourceDetail": "NWS Grand Rapids MI — Severe Thunderstorm Warning Max hail: 0.75\".", "evidenceLevel": "warning", "hailSizeInches": 1.5, "warningProductKey": "GRR-SV-W-127" }, { "id": "nws-alert-a84003096edfe3a8.001-Ingham-tornado-2026-09-03", "lat": 42.62375, "lon": -84.19624999999999, "zip": "", "city": "", "date": "2026-09-03", "county": "Ingham", "source": "NWS Weather Alert", "severity": "severe", "eventType": "tornado", "confidence": 88, "damageTypes": [ "Structural roof failure", "Debris penetration", "Complete shingle removal" ], "description": "Tornado Warning for Ingham (observed tornado). Tornado Warning issued September 3 at 3:06PM EDT until September 3 at 3:30PM EDT by NWS Grand Rapids MI", "sourceDetail": "NWS Grand Rapids MI — Tornado Warning", "evidenceLevel": "observed", "warningProductKey": "GRR-TO-W-23" }, { "id": "iem-202609031841-wind-42.78--84.58", "lat": 42.78, "lon": -84.58, "zip": "", "city": "3 NNE Edgemont Park", "date": "2026-09-03", "county": "Clinton", "source": "IEM Local Storm Reports", "severity": "severe", "eventType": "wind", "confidence": 92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "TSTM WND GST reported near 3 NNE Edgemont Park, MI. Peak gust: 76 mph.", "sourceDetail": "NWS GRR — ASOS via Iowa Mesonet", "windSpeedMph": 76, "evidenceLevel": "observed" }, { "id": "iem-202609030232-hail-42.69--84.28", "lat": 42.69, "lon": -84.28, "zip": "", "city": "Williamston", "date": "2026-09-02", "county": "Ingham", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "HAIL reported near Williamston, MI. Hail size: 1\".", "sourceDetail": "NWS GRR — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "ww-GRR-SV-W-121-2026-09-02-Ingham-wind", "zip": "", "city": "", "date": "2026-09-02", "county": "Ingham", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "wind", "confidence": 70, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Hurricane wind damage" ], "description": "Severe Thunderstorm Warning issued by NWS GRR on 2026-09-02. Duration: 15 min. County: Ingham. Storm tags: wind: 60.0, hail: 1.0\". This is a warning — not a confirmed event.", "sourceDetail": "NWS GRR — Severe Thunderstorm Warning #121 (15 min)", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "GRR-SV-W-121" }, { "id": "ww-GRR-SV-W-121-2026-09-02-Ingham-hail", "zip": "", "city": "", "date": "2026-09-02", "county": "Ingham", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "hail", "confidence": 70, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning issued by NWS GRR on 2026-09-02. Duration: 15 min. County: Ingham. Storm tags: wind: 60.0, hail: 1.0\". This is a warning — not a confirmed event.", "sourceDetail": "NWS GRR — Severe Thunderstorm Warning #121 (15 min)", "evidenceLevel": "warning", "hailSizeInches": 1, "warningProductKey": "GRR-SV-W-121" }, { "id": "nws-alert-93a8e0fc99b21534.001-Ingham-wind-2026-08-09", "zip": "", "city": "", "date": "2026-08-09", "county": "Ingham", "source": "NWS Weather Alert", "severity": "high", "eventType": "wind", "confidence": 72, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Severe Thunderstorm Watch for Ingham. Severe Thunderstorm Watch issued August 9 at 1:03PM EDT until August 9 at 7:00PM EDT by NWS Grand Rapids MI", "sourceDetail": "NWS Grand Rapids MI — Severe Thunderstorm Watch", "evidenceLevel": "warning", "warningProductKey": "GRR-SV-A-547" }, { "id": "nws-alert-be615c07a2f9eca4.003-Ingham-wind", "zip": "", "city": "Ingham", "date": "2026-07-27", "county": "Ingham", "source": "NWS Weather Alert", "severity": "high", "eventType": "wind", "confidence": 72, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Severe Thunderstorm Watch for Ingham. Severe Thunderstorm Watch issued July 27 at 3:42PM EDT until July 27 at 8:00PM EDT by NWS Grand Rapids MI", "sourceDetail": "NWS Grand Rapids MI — Severe Thunderstorm Watch", "evidenceLevel": "warning", "warningProductKey": "GRR-SV-A-520" }, { "id": "ww-GRR-SV-W-109-2026-07-15-Ingham-wind", "zip": "", "city": "", "date": "2026-07-15", "county": "Ingham", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "wind", "confidence": 70, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Hurricane wind damage" ], "description": "Severe Thunderstorm Warning issued by NWS GRR on 2026-07-15. Duration: 30 min. County: Ingham. Storm tags: wind: 60.0, hail: 1.0\". This is a warning — not a confirmed event.", "sourceDetail": "NWS GRR — Severe Thunderstorm Warning #109 (30 min)", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "GRR-SV-W-109" }, { "id": "ww-GRR-SV-W-109-2026-07-15-Ingham-hail", "zip": "", "city": "", "date": "2026-07-15", "county": "Ingham", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "hail", "confidence": 70, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning issued by NWS GRR on 2026-07-15. Duration: 30 min. County: Ingham. Storm tags: wind: 60.0, hail: 1.0\". This is a warning — not a confirmed event.", "sourceDetail": "NWS GRR — Severe Thunderstorm Warning #109 (30 min)", "evidenceLevel": "warning", "hailSizeInches": 1, "warningProductKey": "GRR-SV-W-109" }, { "id": "spc-2026-07-09-75-1653", "lat": 43.02, "lon": -84.85, "zip": "", "city": "Pewamo", "date": "2026-07-09", "county": "Ionia", "source": "SPC Storm Reports", "severity": "high", "eventType": "wind", "confidence": 90, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Measured by Ambient WS-4000. Large walnut tree split. Tree down over road a half mile away from this location. Neighbors outdoor furniture including polywood table thro (GRR)", "sourceDetail": "Storm Prediction Center verified report", "windSpeedMph": 71, "evidenceLevel": "reported" }, { "id": "iem-202607091653-wind-43.02--84.85", "lat": 43.02, "lon": -84.85, "zip": "", "city": "1 NNW Pewamo", "date": "2026-07-09", "county": "Ionia", "source": "IEM Local Storm Reports", "severity": "severe", "eventType": "wind", "confidence": 92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "TSTM WND GST reported near 1 NNW Pewamo, MI. Peak gust: 82 mph.", "sourceDetail": "NWS GRR — Public via Iowa Mesonet", "windSpeedMph": 82, "evidenceLevel": "reported" }, { "id": "asos-bf-LAN-2026-07-03", "lat": 42.78, "lon": -84.58, "zip": "", "city": "Lansing", "date": "2026-07-03", "county": "Clinton", "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": "Lansing (LAN) recorded a 55 mph gust.", "sourceDetail": "MI_ASOS automated observation — Lansing (LAN) [365d backfill 2026-08]", "windSpeedMph": 55, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-07-03-wind-42.67--84.49", "lat": 42.67, "lon": -84.49, "zip": "", "city": "3 NE Holt", "date": "2026-07-03", "county": "Ingham", "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": "Mesonet station MIMHT East Lansing - 10m.", "sourceDetail": "NWS GRR — Mesonet via Iowa Mesonet", "windSpeedMph": 66, "evidenceLevel": "observed" }, { "id": "iem-202607032132-wind-42.78--84.58", "lat": 42.78, "lon": -84.58, "zip": "", "city": "3 NNE Edgemont Park", "date": "2026-07-03", "county": "Clinton", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "TSTM WND GST reported near 3 NNE Edgemont Park, MI. Peak gust: 63 mph.", "sourceDetail": "NWS GRR — ASOS via Iowa Mesonet", "windSpeedMph": 63, "evidenceLevel": "observed" }, { "id": "iem-202607032200-wind-42.67--84.49", "lat": 42.67, "lon": -84.49, "zip": "", "city": "3 NE Holt", "date": "2026-07-03", "county": "Ingham", "source": "IEM Local Storm Reports", "severity": "severe", "eventType": "wind", "confidence": 92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "TSTM WND GST reported near 3 NE Holt, MI. Peak gust: 76 mph.", "sourceDetail": "NWS GRR — Mesonet via Iowa Mesonet", "windSpeedMph": 76, "evidenceLevel": "observed" }, { "id": "iem-geo-2026-07-03T21:35:00Z-wind-42.71--84.41", "lat": 42.71, "lon": -84.41, "zip": "", "city": "Okemos", "date": "2026-07-03", "county": "Ingham", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "TSTM WND DMG reported near Okemos, MI. Peak gust: 56 mph. Maple tree down on house. Measured 56 mph gust before power failure.", "sourceDetail": "NWS GRR — Public via Iowa Mesonet (GeoJSON)", "windSpeedMph": 56, "evidenceLevel": "reported" }, { "id": "iem-geo-2026-07-03T22:00:00Z-wind-42.71--84.48", "lat": 42.71, "lon": -84.48, "zip": "", "city": "2 SSE East Lansing", "date": "2026-07-03", "county": "Ingham", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "TSTM WND GST reported near 2 SSE East Lansing, MI. Peak gust: 54 mph. Mesonet station MIHTC 1.8 S East Lansing (MAWN).", "sourceDetail": "NWS GRR — Mesonet via Iowa Mesonet (GeoJSON)", "windSpeedMph": 54, "evidenceLevel": "observed" }, { "id": "iem-geo-2026-07-03T22:15:00Z-wind-42.57--84.82", "lat": 42.57, "lon": -84.82, "zip": "", "city": "1 E Charlotte", "date": "2026-07-03", "county": "Eaton", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "TSTM WND GST reported near 1 E Charlotte, MI. Peak gust: 54 mph. AWOS station KFPK Charlotte Fitch Beach Arpt.", "sourceDetail": "NWS GRR — AWOS via Iowa Mesonet (GeoJSON)", "windSpeedMph": 54, "evidenceLevel": "observed" }, { "id": "ww-GRR-SV-W-102-2026-07-03-Ingham-wind", "zip": "", "city": "", "date": "2026-07-03", "county": "Ingham", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "wind", "confidence": 70, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Hurricane wind damage" ], "description": "Severe Thunderstorm Warning issued by NWS GRR on 2026-07-03. Duration: 93 min. Counties: Eaton, Ingham, Jackson. Storm tags: wind: 70.0, hail: 1.0\". This is a warning — not a confirmed event.", "sourceDetail": "NWS GRR — Severe Thunderstorm Warning #102 (93 min)", "windSpeedMph": 70, "evidenceLevel": "warning", "warningProductKey": "GRR-SV-W-102" }, { "id": "ww-GRR-SV-W-102-2026-07-03-Ingham-hail", "zip": "", "city": "", "date": "2026-07-03", "county": "Ingham", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "hail", "confidence": 70, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning issued by NWS GRR on 2026-07-03. Duration: 93 min. Counties: Eaton, Ingham, Jackson. Storm tags: wind: 70.0, hail: 1.0\". This is a warning — not a confirmed event.", "sourceDetail": "NWS GRR — Severe Thunderstorm Warning #102 (93 min)", "evidenceLevel": "warning", "hailSizeInches": 1, "warningProductKey": "GRR-SV-W-102" }, { "id": "ww-GRR-SV-W-107-2026-07-03-Ingham-wind", "zip": "", "city": "", "date": "2026-07-03", "county": "Ingham", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "wind", "confidence": 70, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Hurricane wind damage" ], "description": "Severe Thunderstorm Warning issued by NWS GRR on 2026-07-03. Duration: 68 min. Counties: Clinton, Ingham. Storm tags: wind: 70.0, hail: 0.75\". This is a warning — not a confirmed event.", "sourceDetail": "NWS GRR — Severe Thunderstorm Warning #107 (68 min)", "windSpeedMph": 70, "evidenceLevel": "warning", "warningProductKey": "GRR-SV-W-107" }, { "id": "ww-GRR-SV-W-107-2026-07-03-Ingham-hail", "zip": "", "city": "", "date": "2026-07-03", "county": "Ingham", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "hail", "confidence": 70, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning issued by NWS GRR on 2026-07-03. Duration: 68 min. Counties: Clinton, Ingham. Storm tags: wind: 70.0, hail: 0.75\". This is a warning — not a confirmed event.", "sourceDetail": "NWS GRR — Severe Thunderstorm Warning #107 (68 min)", "evidenceLevel": "warning", "hailSizeInches": 0.75, "warningProductKey": "GRR-SV-W-107" }, { "id": "iem-ww-GRR-TO-W-21-Ingham-tornado-2026-07-03", "zip": "", "city": "Ingham", "date": "2026-07-03", "county": "Ingham", "source": "IEM Watch/Warn Archive", "severity": "severe", "eventType": "tornado", "confidence": 0.85, "damageTypes": [ "Structural roof failure", "Debris penetration", "Complete shingle removal" ], "description": "TO W for Ingham.", "sourceDetail": "NWS GRR — TO/W", "evidenceLevel": "warning", "warningProductKey": "GRR-TO-W-21" }, { "id": "iem-lsr-2026-07-03-wind-42.67--84.49", "lat": 42.67, "lon": -84.49, "zip": "", "city": "3 NE Holt", "date": "2026-07-03", "county": "Ingham", "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 MIMSU 3.2 NE Holt (MAWN).", "sourceDetail": "NWS GRR — Mesonet via Iowa Mesonet", "windSpeedMph": 55, "evidenceLevel": "observed" }, { "id": "asos-bf-LAN-2026-06-11", "lat": 42.78, "lon": -84.58, "zip": "", "city": "Lansing", "date": "2026-06-11", "county": "Clinton", "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": "Lansing (LAN) recorded a 51 mph gust.", "sourceDetail": "MI_ASOS automated observation — Lansing (LAN) [365d backfill 2026-08]", "windSpeedMph": 51, "evidenceLevel": "observed" }, { "id": "iem-202606120221-wind-42.78--84.58", "lat": 42.78, "lon": -84.58, "zip": "", "city": "3 NNE Edgemont Park", "date": "2026-06-11", "county": "Clinton", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "TSTM WND GST reported near 3 NNE Edgemont Park, MI. Peak gust: 59 mph.", "sourceDetail": "NWS GRR — ASOS via Iowa Mesonet", "windSpeedMph": 59, "evidenceLevel": "observed" }, { "id": "ww-GRR-SV-W-83-2026-06-11-Ingham-wind", "zip": "", "city": "", "date": "2026-06-11", "county": "Ingham", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "wind", "confidence": 70, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Hurricane wind damage" ], "description": "Severe Thunderstorm Warning issued by NWS GRR on 2026-06-11. Duration: 60 min. Counties: Ingham, Clinton. Storm tags: wind: 70.0, hail: 0.75\", tornado: POSSIBLE. This is a warning — not a confirmed event.", "sourceDetail": "NWS GRR — Severe Thunderstorm Warning #83 (60 min)", "windSpeedMph": 70, "evidenceLevel": "warning", "warningProductKey": "GRR-SV-W-83" }, { "id": "ww-GRR-SV-W-83-2026-06-11-Ingham-hail", "zip": "", "city": "", "date": "2026-06-11", "county": "Ingham", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "hail", "confidence": 70, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning issued by NWS GRR on 2026-06-11. Duration: 60 min. Counties: Ingham, Clinton. Storm tags: wind: 70.0, hail: 0.75\", tornado: POSSIBLE. This is a warning — not a confirmed event.", "sourceDetail": "NWS GRR — Severe Thunderstorm Warning #83 (60 min)", "evidenceLevel": "warning", "hailSizeInches": 0.75, "warningProductKey": "GRR-SV-W-83" }, { "id": "spc-2026-06-10-341-0003", "lat": 42.96, "lon": -84.58, "zip": "", "city": "Saint Johns", "date": "2026-06-10", "county": "Clinton", "source": "SPC Storm Reports", "severity": "high", "eventType": "wind", "confidence": 90, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Measured on a personal weather station. (GRR)", "sourceDetail": "Storm Prediction Center verified report", "windSpeedMph": 62, "evidenceLevel": "reported" }, { "id": "asos-bf-LAN-2026-06-10", "lat": 42.78, "lon": -84.58, "zip": "", "city": "Lansing", "date": "2026-06-10", "county": "Clinton", "source": "IEM ASOS Station", "severity": "high", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Lansing (LAN) recorded a 58 mph gust.", "sourceDetail": "MI_ASOS automated observation — Lansing (LAN) [365d backfill 2026-08]", "windSpeedMph": 58, "evidenceLevel": "observed" }, { "id": "iem-202606110003-wind-42.96--84.58", "lat": 42.96, "lon": -84.58, "zip": "", "city": "3 SSW Saint Johns", "date": "2026-06-10", "county": "Clinton", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "TSTM WND GST reported near 3 SSW Saint Johns, MI. Peak gust: 71 mph.", "sourceDetail": "NWS GRR — Public via Iowa Mesonet", "windSpeedMph": 71, "evidenceLevel": "reported" }, { "id": "iem-202606110105-wind-42.78--84.58", "lat": 42.78, "lon": -84.58, "zip": "", "city": "3 NNE Edgemont Park", "date": "2026-06-10", "county": "Clinton", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "TSTM WND GST reported near 3 NNE Edgemont Park, MI. Peak gust: 67 mph.", "sourceDetail": "NWS GRR — ASOS via Iowa Mesonet", "windSpeedMph": 67, "evidenceLevel": "observed" }, { "id": "ww-GRR-SV-W-76-2026-06-10-Ingham-wind", "zip": "", "city": "", "date": "2026-06-10", "county": "Ingham", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "wind", "confidence": 70, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Hurricane wind damage" ], "description": "Severe Thunderstorm Warning issued by NWS GRR on 2026-06-10. Duration: 66 min. Counties: Jackson, Gratiot, Isabella, Clinton, Ingham. Storm tags: wind: 60.0, hail: 0.75\". This is a warning — not a confirmed event.", "sourceDetail": "NWS GRR — Severe Thunderstorm Warning #76 (66 min)", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "GRR-SV-W-76" }, { "id": "ww-GRR-SV-W-76-2026-06-10-Ingham-hail", "zip": "", "city": "", "date": "2026-06-10", "county": "Ingham", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "hail", "confidence": 70, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning issued by NWS GRR on 2026-06-10. Duration: 66 min. Counties: Jackson, Gratiot, Isabella, Clinton, Ingham. Storm tags: wind: 60.0, hail: 0.75\". This is a warning — not a confirmed event.", "sourceDetail": "NWS GRR — Severe Thunderstorm Warning #76 (66 min)", "evidenceLevel": "warning", "hailSizeInches": 0.75, "warningProductKey": "GRR-SV-W-76" }, { "id": "iem-geo-2026-06-09T14:30:00Z-tornado-42.73--84.78", "lat": 42.73, "lon": -84.78, "zip": "", "city": "2 SW Grand Ledge", "date": "2026-06-09", "county": "Eaton", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "tornado", "confidence": 92, "damageTypes": [ "Structural roof failure", "Debris penetration", "Complete shingle removal" ], "description": "TORNADO reported near 2 SW Grand Ledge, MI. This EF-0 tornado had maximum estimated winds of 75 mph and a path length of around 3.2 miles. One outbuilding was destroyed. Otherwise mostly tree damage or minor property damage due to fallen trees occurred along the path.", "sourceDetail": "NWS GRR — NWS Storm Survey via Iowa Mesonet (GeoJSON)", "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-05-18-wind-42.78--84.60", "lat": 42.78, "lon": -84.6, "zip": "", "city": "2 N Edgemont Park", "date": "2026-05-18", "county": "Clinton", "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": "ASOS station KLAN Lansing.", "sourceDetail": "NWS GRR — ASOS via Iowa Mesonet", "windSpeedMph": 68, "evidenceLevel": "observed" }, { "id": "iem-202605181925-wind-42.78--84.60", "lat": 42.78, "lon": -84.6, "zip": "", "city": "2 N Edgemont Park", "date": "2026-05-18", "county": "Clinton", "source": "IEM Local Storm Reports", "severity": "severe", "eventType": "wind", "confidence": 92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "TSTM WND GST reported near 2 N Edgemont Park, MI. Peak gust: 78 mph.", "sourceDetail": "NWS GRR — ASOS via Iowa Mesonet", "windSpeedMph": 78, "evidenceLevel": "observed" }, { "id": "iem-geo-2026-05-18T19:05:00Z-wind-42.57--84.82", "lat": 42.57, "lon": -84.82, "zip": "", "city": "1 E Charlotte", "date": "2026-05-18", "county": "Eaton", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "TSTM WND GST reported near 1 E Charlotte, MI. Peak gust: 51 mph. AWOS station KFPK Charlotte Fitch Beach Arpt.", "sourceDetail": "NWS GRR — AWOS via Iowa Mesonet (GeoJSON)", "windSpeedMph": 51, "evidenceLevel": "observed" }, { "id": "iem-geo-2026-05-18T19:23:00Z-wind-42.78--84.58", "lat": 42.78, "lon": -84.58, "zip": "", "city": "3 NNE Edgemont Park", "date": "2026-05-18", "county": "Clinton", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "TSTM WND GST reported near 3 NNE Edgemont Park, MI. Peak gust: 55 mph. ASOS station KLAN Lansing.", "sourceDetail": "NWS GRR — ASOS via Iowa Mesonet (GeoJSON)", "windSpeedMph": 55, "evidenceLevel": "observed" }, { "id": "ww-GRR-SV-W-66-2026-05-18-Ingham-wind", "zip": "", "city": "", "date": "2026-05-18", "county": "Ingham", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "wind", "confidence": 70, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Hurricane wind damage" ], "description": "Severe Thunderstorm Warning issued by NWS GRR on 2026-05-18. Duration: 35 min. Counties: Ingham, Jackson. Storm tags: wind: 60.0, hail: 0.75\". This is a warning — not a confirmed event.", "sourceDetail": "NWS GRR — Severe Thunderstorm Warning #66 (35 min)", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "GRR-SV-W-66" }, { "id": "ww-GRR-SV-W-66-2026-05-18-Ingham-hail", "zip": "", "city": "", "date": "2026-05-18", "county": "Ingham", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "hail", "confidence": 70, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning issued by NWS GRR on 2026-05-18. Duration: 35 min. Counties: Ingham, Jackson. Storm tags: wind: 60.0, hail: 0.75\". This is a warning — not a confirmed event.", "sourceDetail": "NWS GRR — Severe Thunderstorm Warning #66 (35 min)", "evidenceLevel": "warning", "hailSizeInches": 0.75, "warningProductKey": "GRR-SV-W-66" }, { "id": "ww-GRR-SV-W-64-2026-05-18-Ingham-wind", "zip": "", "city": "", "date": "2026-05-18", "county": "Ingham", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "wind", "confidence": 70, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Hurricane wind damage" ], "description": "Severe Thunderstorm Warning issued by NWS GRR on 2026-05-18. Duration: 46 min. Counties: Clinton, Eaton, Ingham, Ionia. Storm tags: wind: 80.0, hail: 0.75\". This is a warning — not a confirmed event.", "sourceDetail": "NWS GRR — Severe Thunderstorm Warning #64 (46 min)", "windSpeedMph": 80, "evidenceLevel": "warning", "warningProductKey": "GRR-SV-W-64" }, { "id": "ww-GRR-SV-W-64-2026-05-18-Ingham-hail", "zip": "", "city": "", "date": "2026-05-18", "county": "Ingham", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "hail", "confidence": 70, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning issued by NWS GRR on 2026-05-18. Duration: 46 min. Counties: Clinton, Eaton, Ingham, Ionia. Storm tags: wind: 80.0, hail: 0.75\". This is a warning — not a confirmed event.", "sourceDetail": "NWS GRR — Severe Thunderstorm Warning #64 (46 min)", "evidenceLevel": "warning", "hailSizeInches": 0.75, "warningProductKey": "GRR-SV-W-64" }, { "id": "ww-GRR-SV-W-65-2026-05-18-Ingham-wind", "zip": "", "city": "", "date": "2026-05-18", "county": "Ingham", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "wind", "confidence": 70, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Hurricane wind damage" ], "description": "Severe Thunderstorm Warning issued by NWS GRR on 2026-05-18. Duration: 53 min. Counties: Clinton, Isabella, Jackson, Gratiot, Ingham. Storm tags: wind: 70.0, hail: 0.75\". This is a warning — not a confirmed event.", "sourceDetail": "NWS GRR — Severe Thunderstorm Warning #65 (53 min)", "windSpeedMph": 70, "evidenceLevel": "warning", "warningProductKey": "GRR-SV-W-65" }, { "id": "ww-GRR-SV-W-65-2026-05-18-Ingham-hail", "zip": "", "city": "", "date": "2026-05-18", "county": "Ingham", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "hail", "confidence": 70, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning issued by NWS GRR on 2026-05-18. Duration: 53 min. Counties: Clinton, Isabella, Jackson, Gratiot, Ingham. Storm tags: wind: 70.0, hail: 0.75\". This is a warning — not a confirmed event.", "sourceDetail": "NWS GRR — Severe Thunderstorm Warning #65 (53 min)", "evidenceLevel": "warning", "hailSizeInches": 0.75, "warningProductKey": "GRR-SV-W-65" }, { "id": "asos-bf-LAN-2026-05-18", "lat": 42.78, "lon": -84.58, "zip": "", "city": "Lansing", "date": "2026-05-18", "county": "Clinton", "source": "IEM ASOS Station", "severity": "high", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Lansing (LAN) recorded a 68 mph gust.", "sourceDetail": "MI_ASOS automated observation — Lansing (LAN) [365d backfill 2026-08]", "windSpeedMph": 68, "evidenceLevel": "observed" }, { "id": "ncei-1342572-2026-05-18", "lon": 214247, "zip": "", "city": "PACKARD", "date": "2026-05-18", "county": "Ingham", "source": "NCEI Storm Events Database", "severity": "moderate", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Dozen or more trees with trunks or limbs snapped in a wooded area.", "sourceDetail": "Verified by Public — NCEI Event #1342572", "windSpeedMph": 56, "evidenceLevel": "official_backfill" }, { "id": "ncei-1342574-2026-05-18", "lon": 214247, "zip": "", "city": "EAST LANSING", "date": "2026-05-18", "county": "Ingham", "source": "NCEI Storm Events Database", "severity": "moderate", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Dispatch reports numerous trees and wires down across the county. Multiple trees on houses.", "sourceDetail": "Verified by State Official — NCEI Event #1342574", "windSpeedMph": 56, "evidenceLevel": "official_backfill" }, { "id": "asos-bf-LAN-2026-04-27", "lat": 42.78, "lon": -84.58, "zip": "", "city": "Lansing", "date": "2026-04-27", "county": "Clinton", "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": "Lansing (LAN) recorded a 55 mph gust.", "sourceDetail": "MI_ASOS automated observation — Lansing (LAN) [365d backfill 2026-08]", "windSpeedMph": 55, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-04-27-wind-42.57--84.42", "lat": 42.57, "lon": -84.42, "zip": "", "city": "2 SE Mason", "date": "2026-04-27", "county": "Ingham", "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 2 SE Mason", "sourceDetail": "NWS GRR — AWOS via Iowa Mesonet", "windSpeedMph": 53, "evidenceLevel": "observed" }, { "id": "iem-202604272140-wind-42.78--84.58", "lat": 42.78, "lon": -84.58, "zip": "", "city": "3 NNE Edgemont Park", "date": "2026-04-27", "county": "Clinton", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 3 NNE Edgemont Park, MI. Peak gust: 63 mph.", "sourceDetail": "NWS GRR — ASOS via Iowa Mesonet", "windSpeedMph": 63, "evidenceLevel": "observed" }, { "id": "iem-202604272216-wind-42.57--84.42", "lat": 42.57, "lon": -84.42, "zip": "", "city": "2 SE Mason", "date": "2026-04-27", "county": "Ingham", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 2 SE Mason, MI. Peak gust: 61 mph.", "sourceDetail": "NWS GRR — AWOS via Iowa Mesonet", "windSpeedMph": 61, "evidenceLevel": "observed" }, { "id": "iem-geo-2026-04-27T22:15:00Z-wind-42.57--84.42", "lat": 42.57, "lon": -84.42, "zip": "", "city": "2 SE Mason", "date": "2026-04-27", "county": "Ingham", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 2 SE Mason, MI. Peak gust: 51 mph. AWOS station KTEW Mason Jewett Arpt.", "sourceDetail": "NWS GRR — AWOS via Iowa Mesonet (GeoJSON)", "windSpeedMph": 51, "evidenceLevel": "observed" }, { "id": "iem-geo-2026-04-15T04:04:00Z-wind-42.57--84.82", "lat": 42.57, "lon": -84.82, "zip": "", "city": "1 E Charlotte", "date": "2026-04-15", "county": "Eaton", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "TSTM WND GST reported near 1 E Charlotte, MI. Peak gust: 53 mph. AWOS station KFPK Charlotte Fitch Beach Arpt.", "sourceDetail": "NWS GRR — AWOS via Iowa Mesonet (GeoJSON)", "windSpeedMph": 53, "evidenceLevel": "observed" }, { "id": "ww-GRR-SV-W-50-2026-04-15-Ingham-wind", "zip": "", "city": "", "date": "2026-04-15", "county": "Ingham", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "wind", "confidence": 70, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Hurricane wind damage" ], "description": "Severe Thunderstorm Warning issued by NWS GRR on 2026-04-15. Duration: 66 min. Counties: Kent, Barry, Eaton, Ionia, Ingham. Storm tags: wind: 60.0, hail: 0.75\", tornado: POSSIBLE. This is a warning — not a confirmed event.", "sourceDetail": "NWS GRR — Severe Thunderstorm Warning #50 (66 min)", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "GRR-SV-W-50" }, { "id": "ww-GRR-SV-W-50-2026-04-15-Ingham-hail", "zip": "", "city": "", "date": "2026-04-15", "county": "Ingham", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "hail", "confidence": 70, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning issued by NWS GRR on 2026-04-15. Duration: 66 min. Counties: Kent, Barry, Eaton, Ionia, Ingham. Storm tags: wind: 60.0, hail: 0.75\", tornado: POSSIBLE. This is a warning — not a confirmed event.", "sourceDetail": "NWS GRR — Severe Thunderstorm Warning #50 (66 min)", "evidenceLevel": "warning", "hailSizeInches": 0.75, "warningProductKey": "GRR-SV-W-50" }, { "id": "iem-202604140030-hail-42.87--84.90", "lat": 42.87, "lon": -84.9, "zip": "", "city": "Portland", "date": "2026-04-13", "county": "Ionia", "source": "IEM Local Storm Reports", "severity": "severe", "eventType": "hail", "confidence": 92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "HAIL reported near Portland, MI. Hail size: 2\".", "sourceDetail": "NWS GRR — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 2 }, { "id": "iem-lsr-2026-04-13-hail-42.87--84.90", "lat": 42.87, "lon": -84.9, "zip": "", "city": "Portland", "date": "2026-04-13", "county": "Ionia", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Quarter to ping pong sized hail from media reports and the public.", "sourceDetail": "NWS GRR — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1.5 }, { "id": "iem-202603310850-hail-42.44--84.56", "lat": 42.44, "lon": -84.56, "zip": "", "city": "Onondaga", "date": "2026-03-31", "county": "Ingham", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "HAIL reported near Onondaga, MI. Hail size: 1\".", "sourceDetail": "NWS GRR — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-202603310838-hail-42.46--84.66", "lat": 42.46, "lon": -84.66, "zip": "", "city": "3 S Eaton Rapids", "date": "2026-03-31", "county": "Eaton", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "HAIL reported near 3 S Eaton Rapids, MI. Hail size: 1\".", "sourceDetail": "NWS GRR — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-202603310855-hail-42.44--84.46", "lat": 42.44, "lon": -84.46, "zip": "", "city": "2 WSW Leslie", "date": "2026-03-31", "county": "Ingham", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "hail", "confidence": 92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "HAIL reported near 2 WSW Leslie, MI. Hail size: 0.88\".", "sourceDetail": "NWS GRR — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 0.88 }, { "id": "iem-geo-2026-03-31T06:09:00Z-wind-42.78--84.58", "lat": 42.78, "lon": -84.58, "zip": "", "city": "3 NNE Edgemont Park", "date": "2026-03-31", "county": "Clinton", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 3 NNE Edgemont Park, MI. Peak gust: 56 mph. ASOS station KLAN Lansing.", "sourceDetail": "NWS GRR — ASOS via Iowa Mesonet (GeoJSON)", "windSpeedMph": 56, "evidenceLevel": "observed" }, { "id": "ww-GRR-SV-W-25-2026-03-31-Ingham-wind", "zip": "", "city": "", "date": "2026-03-31", "county": "Ingham", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "wind", "confidence": 70, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Hurricane wind damage" ], "description": "Severe Thunderstorm Warning issued by NWS GRR on 2026-03-31. Duration: 38 min. Counties: Eaton, Ingham, Jackson. Storm tags: wind: 60.0, hail: 1.0\". This is a warning — not a confirmed event.", "sourceDetail": "NWS GRR — Severe Thunderstorm Warning #25 (38 min)", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "GRR-SV-W-25" }, { "id": "ww-GRR-SV-W-25-2026-03-31-Ingham-hail", "zip": "", "city": "", "date": "2026-03-31", "county": "Ingham", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "hail", "confidence": 70, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning issued by NWS GRR on 2026-03-31. Duration: 38 min. Counties: Eaton, Ingham, Jackson. Storm tags: wind: 60.0, hail: 1.0\". This is a warning — not a confirmed event.", "sourceDetail": "NWS GRR — Severe Thunderstorm Warning #25 (38 min)", "evidenceLevel": "warning", "hailSizeInches": 1, "warningProductKey": "GRR-SV-W-25" }, { "id": "asos-bf-LAN-2026-03-31", "lat": 42.78, "lon": -84.58, "zip": "", "city": "Lansing", "date": "2026-03-31", "county": "Clinton", "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": "Lansing (LAN) recorded a 50 mph gust.", "sourceDetail": "MI_ASOS automated observation — Lansing (LAN) [365d backfill 2026-08]", "windSpeedMph": 50, "evidenceLevel": "observed" }, { "id": "ncei-1327155-2026-03-31", "lon": 212247, "zip": "", "city": "ONONDAGA", "date": "2026-03-31", "county": "Ingham", "source": "NCEI Storm Events Database", "severity": "high", "eventType": "hail", "confidence": 0.95, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Thunderstorms brought large hail and damaging winds to parts of lower Michigan on late March 30 into the early hours of March 31.", "sourceDetail": "Verified by Public — NCEI Event #1327155", "evidenceLevel": "official_backfill", "hailSizeInches": 1 }, { "id": "iem-geo-2026-03-16T13:48:00Z-wind-42.78--84.58", "lat": 42.78, "lon": -84.58, "zip": "", "city": "3 NNE Edgemont Park", "date": "2026-03-16", "county": "Clinton", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 3 NNE Edgemont Park, MI. Peak gust: 54 mph. ASOS station KLAN Lansing.", "sourceDetail": "NWS GRR — ASOS via Iowa Mesonet (GeoJSON)", "windSpeedMph": 54, "evidenceLevel": "observed" }, { "id": "asos-bf-LAN-2026-03-13", "lat": 42.78, "lon": -84.58, "zip": "", "city": "Lansing", "date": "2026-03-13", "county": "Clinton", "source": "IEM ASOS Station", "severity": "high", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Lansing (LAN) recorded a 66 mph gust.", "sourceDetail": "MI_ASOS automated observation — Lansing (LAN) [365d backfill 2026-08]", "windSpeedMph": 66, "evidenceLevel": "observed" }, { "id": "iem-202603131016-wind-42.78--84.58", "lat": 42.78, "lon": -84.58, "zip": "", "city": "3 NNE Edgemont Park", "date": "2026-03-13", "county": "Clinton", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 3 NNE Edgemont Park, MI. Peak gust: 59 mph.", "sourceDetail": "NWS GRR — ASOS via Iowa Mesonet", "windSpeedMph": 59, "evidenceLevel": "observed" }, { "id": "iem-202603132210-wind-42.78--84.58", "lat": 42.78, "lon": -84.58, "zip": "", "city": "3 NNE Edgemont Park", "date": "2026-03-13", "county": "Clinton", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 3 NNE Edgemont Park, MI. Peak gust: 61 mph.", "sourceDetail": "NWS GRR — ASOS via Iowa Mesonet", "windSpeedMph": 61, "evidenceLevel": "observed" }, { "id": "iem-202603132353-wind-42.78--84.58", "lat": 42.78, "lon": -84.58, "zip": "", "city": "3 NNE Edgemont Park", "date": "2026-03-13", "county": "Clinton", "source": "IEM Local Storm Reports", "severity": "severe", "eventType": "wind", "confidence": 92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 3 NNE Edgemont Park, MI. Peak gust: 76 mph.", "sourceDetail": "NWS GRR — ASOS via Iowa Mesonet", "windSpeedMph": 76, "evidenceLevel": "observed" }, { "id": "iem-geo-2026-03-13T16:16:00Z-wind-42.57--84.82", "lat": 42.57, "lon": -84.82, "zip": "", "city": "1 E Charlotte", "date": "2026-03-13", "county": "Eaton", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 E Charlotte, MI. Peak gust: 52 mph. AWOS station KFPK Charlotte Fitch Beach Arpt.", "sourceDetail": "NWS GRR — AWOS via Iowa Mesonet (GeoJSON)", "windSpeedMph": 52, "evidenceLevel": "observed" }, { "id": "asos-bf-TEW-2026-03-13", "lat": 42.5658, "lon": -84.4232, "zip": "", "city": "MASON", "date": "2026-03-13", "county": "Ingham", "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": "MASON (TEW) recorded a 51 mph gust.", "sourceDetail": "MI_ASOS automated observation — MASON (TEW) [365d backfill 2026-08]", "windSpeedMph": 51, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-03-13-wind-42.78--84.58", "lat": 42.78, "lon": -84.58, "zip": "", "city": "3 NNE Edgemont Park", "date": "2026-03-13", "county": "Clinton", "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 KLAN Lansing.", "sourceDetail": "NWS GRR — ASOS via Iowa Mesonet", "windSpeedMph": 51, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-03-13-wind-42.78--84.58", "lat": 42.78, "lon": -84.58, "zip": "", "city": "3 NNE Edgemont Park", "date": "2026-03-13", "county": "Clinton", "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 KLAN Lansing.", "sourceDetail": "NWS GRR — ASOS via Iowa Mesonet", "windSpeedMph": 53, "evidenceLevel": "observed" }, { "id": "ncei-1327110-2026-03-06", "lon": 212243, "zip": "", "city": "HOPWOOD ACRES", "date": "2026-03-06", "county": "Ingham", "source": "NCEI Storm Events Database", "severity": "high", "eventType": "hail", "confidence": 0.95, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe weather impacted lower Michigan on March 6th. 1 tornado occurred in the Grand Rapids County Warning Area while 3 occurred in the Northern Indiana County Warning Area.", "sourceDetail": "Verified by Public — NCEI Event #1327110", "evidenceLevel": "official_backfill", "hailSizeInches": 1 }, { "id": "ncei-1327113-2026-03-06", "lon": 212243, "zip": "", "city": "EAST LANSING ARPT", "date": "2026-03-06", "county": "Ingham", "source": "NCEI Storm Events Database", "severity": "high", "eventType": "hail", "confidence": 0.95, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe weather impacted lower Michigan on March 6th. 1 tornado occurred in the Grand Rapids County Warning Area while 3 occurred in the Northern Indiana County Warning Area.", "sourceDetail": "Verified by Public — NCEI Event #1327113", "evidenceLevel": "official_backfill", "hailSizeInches": 1 }, { "id": "ncei-1327114-2026-03-06", "lon": 212243, "zip": "", "city": "PACKARD", "date": "2026-03-06", "county": "Ingham", "source": "NCEI Storm Events Database", "severity": "high", "eventType": "hail", "confidence": 0.95, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe weather impacted lower Michigan on March 6th. 1 tornado occurred in the Grand Rapids County Warning Area while 3 occurred in the Northern Indiana County Warning Area.", "sourceDetail": "Verified by Public — NCEI Event #1327114", "evidenceLevel": "official_backfill", "hailSizeInches": 1 }, { "id": "iem-202603070013-hail-42.73--84.55", "lat": 42.73, "lon": -84.55, "zip": "", "city": "2 N Lansing", "date": "2026-03-06", "county": "Ingham", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "HAIL reported near 2 N Lansing, MI. Hail size: 1\".", "sourceDetail": "NWS GRR — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-202603070017-hail-42.72--84.54", "lat": 42.72, "lon": -84.54, "zip": "", "city": "1 NE Lansing", "date": "2026-03-06", "county": "Ingham", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "HAIL reported near 1 NE Lansing, MI. Hail size: 1\".", "sourceDetail": "NWS GRR — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-202603070019-hail-42.73--84.56", "lat": 42.73, "lon": -84.56, "zip": "", "city": "1 NNW Lansing", "date": "2026-03-06", "county": "Ingham", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "HAIL reported near 1 NNW Lansing, MI. Hail size: 1\".", "sourceDetail": "NWS GRR — Broadcast Media via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-202603070027-hail-42.74--84.47", "lat": 42.74, "lon": -84.47, "zip": "", "city": "1 NE East Lansing", "date": "2026-03-06", "county": "Ingham", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "HAIL reported near 1 NE East Lansing, MI. Hail size: 1\".", "sourceDetail": "NWS GRR — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-202603070029-hail-42.68--84.59", "lat": 42.68, "lon": -84.59, "zip": "", "city": "3 SW Lansing", "date": "2026-03-06", "county": "Ingham", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "hail", "confidence": 92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "HAIL reported near 3 SW Lansing, MI. Hail size: 0.88\".", "sourceDetail": "NWS GRR — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 0.88 }, { "id": "ww-GRR-SV-W-6-2026-03-06-Ingham-wind", "zip": "", "city": "", "date": "2026-03-06", "county": "Ingham", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "wind", "confidence": 70, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Hurricane wind damage" ], "description": "Severe Thunderstorm Warning issued by NWS GRR on 2026-03-06. Duration: 45 min. Counties: Eaton, Ingham, Clinton. Storm tags: wind: 50.0, hail: 1.0\". This is a warning — not a confirmed event.", "sourceDetail": "NWS GRR — Severe Thunderstorm Warning #6 (45 min)", "windSpeedMph": 50, "evidenceLevel": "warning", "warningProductKey": "GRR-SV-W-6" }, { "id": "ww-GRR-SV-W-6-2026-03-06-Ingham-hail", "zip": "", "city": "", "date": "2026-03-06", "county": "Ingham", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "hail", "confidence": 70, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning issued by NWS GRR on 2026-03-06. Duration: 45 min. Counties: Eaton, Ingham, Clinton. Storm tags: wind: 50.0, hail: 1.0\". This is a warning — not a confirmed event.", "sourceDetail": "NWS GRR — Severe Thunderstorm Warning #6 (45 min)", "evidenceLevel": "warning", "hailSizeInches": 1, "warningProductKey": "GRR-SV-W-6" }, { "id": "iem-202602182215-hail-42.71--84.41", "lat": 42.71, "lon": -84.41, "zip": "", "city": "Okemos", "date": "2026-02-18", "county": "Ingham", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "HAIL reported near Okemos, MI. Hail size: 1\".", "sourceDetail": "NWS GRR — Trained Spotter via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-202602182229-hail-42.56--84.30", "lat": 42.56, "lon": -84.3, "zip": "", "city": "Dansville", "date": "2026-02-18", "county": "Ingham", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "HAIL reported near Dansville, MI. Hail size: 1\".", "sourceDetail": "NWS GRR — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "ww-GRR-SV-W-1-2026-02-18-Ingham-wind", "zip": "", "city": "", "date": "2026-02-18", "county": "Ingham", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "wind", "confidence": 70, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Hurricane wind damage" ], "description": "Severe Thunderstorm Warning issued by NWS GRR on 2026-02-18. Duration: 25 min. County: Ingham. Storm tags: wind: 50.0, hail: 1.0\". This is a warning — not a confirmed event.", "sourceDetail": "NWS GRR — Severe Thunderstorm Warning #1 (25 min)", "windSpeedMph": 50, "evidenceLevel": "warning", "warningProductKey": "GRR-SV-W-1" }, { "id": "ww-GRR-SV-W-1-2026-02-18-Ingham-hail", "zip": "", "city": "", "date": "2026-02-18", "county": "Ingham", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "hail", "confidence": 70, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning issued by NWS GRR on 2026-02-18. Duration: 25 min. County: Ingham. Storm tags: wind: 50.0, hail: 1.0\". This is a warning — not a confirmed event.", "sourceDetail": "NWS GRR — Severe Thunderstorm Warning #1 (25 min)", "evidenceLevel": "warning", "hailSizeInches": 1, "warningProductKey": "GRR-SV-W-1" }, { "id": "ncei-1320342-2026-02-02", "lon": 211347, "zip": "", "city": "DANSVILLE", "date": "2026-02-02", "county": "Ingham", "source": "NCEI Storm Events Database", "severity": "high", "eventType": "hail", "confidence": 0.95, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "An isolated thunderstorm produced brief large hail over Ingham County.", "sourceDetail": "Verified by Trained Spotter — NCEI Event #1320342", "evidenceLevel": "official_backfill", "hailSizeInches": 1 }, { "id": "iem-geo-2026-01-09T14:00:00Z-wind-42.71--84.48", "lat": 42.71, "lon": -84.48, "zip": "", "city": "2 SSE East Lansing", "date": "2026-01-09", "county": "Ingham", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 2 SSE East Lansing, MI. Peak gust: 51 mph. Mesonet station MIHTC 1.8 S East Lansing (MAWN).", "sourceDetail": "NWS GRR — Mesonet via Iowa Mesonet (GeoJSON)", "windSpeedMph": 51, "evidenceLevel": "observed" }, { "id": "iem-geo-2026-01-09T14:48:00Z-wind-42.57--84.82", "lat": 42.57, "lon": -84.82, "zip": "", "city": "1 E Charlotte", "date": "2026-01-09", "county": "Eaton", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 E Charlotte, MI. Peak gust: 51 mph. AWOS station KFPK Charlotte Fitch Beach Arpt.", "sourceDetail": "NWS GRR — AWOS via Iowa Mesonet (GeoJSON)", "windSpeedMph": 51, "evidenceLevel": "observed" }, { "id": "iem-geo-2026-01-09T13:58:00Z-wind-42.78--84.58", "lat": 42.78, "lon": -84.58, "zip": "", "city": "3 NNE Edgemont Park", "date": "2026-01-09", "county": "Clinton", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 3 NNE Edgemont Park, MI. Peak gust: 55 mph. ASOS station KLAN Lansing.", "sourceDetail": "NWS GRR — ASOS via Iowa Mesonet (GeoJSON)", "windSpeedMph": 55, "evidenceLevel": "observed" }, { "id": "iem-geo-2025-12-29T08:34:00Z-wind-42.86--84.91", "lat": 42.86, "lon": -84.91, "zip": "", "city": "1 SW Portland", "date": "2025-12-29", "county": "Ionia", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 SW Portland, MI. Peak gust: 51 mph. Mesonet station MC149 I-96 Mile Marker 76.0.", "sourceDetail": "NWS GRR — Mesonet via Iowa Mesonet (GeoJSON)", "windSpeedMph": 51, "evidenceLevel": "observed" }, { "id": "iem-geo-2025-12-29T10:16:00Z-wind-42.78--84.58", "lat": 42.78, "lon": -84.58, "zip": "", "city": "3 NNE Edgemont Park", "date": "2025-12-29", "county": "Clinton", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 3 NNE Edgemont Park, MI. Peak gust: 56 mph. ASOS station KLAN Lansing.", "sourceDetail": "NWS GRR — ASOS via Iowa Mesonet (GeoJSON)", "windSpeedMph": 56, "evidenceLevel": "observed" }, { "id": "asos-bf-LAN-2025-12-29", "lat": 42.78, "lon": -84.58, "zip": "", "city": "Lansing", "date": "2025-12-29", "county": "Clinton", "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": "Lansing (LAN) recorded a 50 mph gust.", "sourceDetail": "MI_ASOS automated observation — Lansing (LAN) [365d backfill 2026-08]", "windSpeedMph": 50, "evidenceLevel": "observed" }, { "id": "iem-ww-GRR-HW-W-2-Ingham-wind-2025-12-29", "zip": "", "city": "Ingham", "date": "2025-12-29", "county": "Ingham", "source": "IEM High Wind Archive", "severity": "high", "eventType": "wind", "confidence": 0.72, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "HW W for Ingham.", "sourceDetail": "NWS GRR — HW/W", "evidenceLevel": "warning", "warningProductKey": "GRR-HW-W-2" }, { "id": "iem-geo-2025-12-19T10:36:00Z-wind-42.78--84.58", "lat": 42.78, "lon": -84.58, "zip": "", "city": "3 NNE Edgemont Park", "date": "2025-12-19", "county": "Clinton", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 3 NNE Edgemont Park, MI. Peak gust: 52 mph. ASOS station KLAN Lansing.", "sourceDetail": "NWS GRR — ASOS via Iowa Mesonet (GeoJSON)", "windSpeedMph": 52, "evidenceLevel": "observed" }, { "id": "iem-geo-2025-12-19T15:53:00Z-wind-42.78--84.58", "lat": 42.78, "lon": -84.58, "zip": "", "city": "3 NNE Edgemont Park", "date": "2025-12-19", "county": "Clinton", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 3 NNE Edgemont Park, MI. Peak gust: 53 mph. ASOS station KLAN Lansing.", "sourceDetail": "NWS GRR — ASOS via Iowa Mesonet (GeoJSON)", "windSpeedMph": 53, "evidenceLevel": "observed" }, { "id": "iem-geo-2025-11-26T22:19:00Z-wind-42.78--84.58", "lat": 42.78, "lon": -84.58, "zip": "", "city": "3 NNE Edgemont Park", "date": "2025-11-26", "county": "Clinton", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 3 NNE Edgemont Park, MI. Peak gust: 51 mph. ASOS station KLAN Lansing.", "sourceDetail": "NWS GRR — ASOS via Iowa Mesonet (GeoJSON)", "windSpeedMph": 51, "evidenceLevel": "observed" }, { "id": "iem-ww-GRR-HW-W-1-Ingham-wind-2025-11-26", "zip": "", "city": "Ingham", "date": "2025-11-26", "county": "Ingham", "source": "IEM High Wind Archive", "severity": "high", "eventType": "wind", "confidence": 0.72, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "HW W for Ingham.", "sourceDetail": "NWS GRR — HW/W", "evidenceLevel": "warning", "warningProductKey": "GRR-HW-W-1" }, { "id": "iem-geo-2025-10-21T20:01:00Z-wind-42.78--84.58", "lat": 42.78, "lon": -84.58, "zip": "", "city": "3 NNE Edgemont Park", "date": "2025-10-21", "county": "Clinton", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "TSTM WND GST reported near 3 NNE Edgemont Park, MI. Peak gust: 51 mph. ASOS station KLAN Lansing.", "sourceDetail": "NWS GRR — ASOS via Iowa Mesonet (GeoJSON)", "windSpeedMph": 51, "evidenceLevel": "observed" }, { "id": "ww-GRR-SV-W-57-2025-10-06-Ingham-wind", "zip": "", "city": "", "date": "2025-10-06", "county": "Ingham", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "wind", "confidence": 70, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Hurricane wind damage" ], "description": "Severe Thunderstorm Warning issued by NWS GRR on 2025-10-06. Duration: 55 min. Counties: Ottawa, Allegan, Barry, Kent, Ingham, Jackson. Storm tags: wind: 60.0, hail: 0.75\". This is a warning — not a confirmed event.", "sourceDetail": "NWS GRR — Severe Thunderstorm Warning #57 (55 min)", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "GRR-SV-W-57" }, { "id": "ww-GRR-SV-W-57-2025-10-06-Ingham-hail", "zip": "", "city": "", "date": "2025-10-06", "county": "Ingham", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "hail", "confidence": 70, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning issued by NWS GRR on 2025-10-06. Duration: 55 min. Counties: Ottawa, Allegan, Barry, Kent, Ingham, Jackson. Storm tags: wind: 60.0, hail: 0.75\". This is a warning — not a confirmed event.", "sourceDetail": "NWS GRR — Severe Thunderstorm Warning #57 (55 min)", "evidenceLevel": "warning", "hailSizeInches": 0.75, "warningProductKey": "GRR-SV-W-57" } ] }