{ "dataset": "Sioux Falls, SD storm events — 12-month window, 25-mile radius plus Minnehaha 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": "2026-09-20T10:40:22.023+00:00", "window_days": 365, "schema_version": "2.0.0", "event_count": 213, "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": "spc-2026-09-11-wind-43.22-30", "lat": 43.22, "lon": -96.91, "zip": "", "city": "5 SE Davis", "date": "2026-09-11", "county": "Lincoln", "source": "SPC Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.93, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "wind reported near 5 SE Davis", "sourceDetail": "SPC filtered reports — 2026-09-11", "windSpeedMph": 58, "evidenceLevel": "reported" }, { "id": "asos-FSD-2026-09-11-71803", "lat": 43.5769, "lon": -96.7536, "zip": "", "city": "SIOUX FALLS", "date": "2026-09-11", "county": "Minnehaha", "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": "SIOUX FALLS (FSD) recorded a 51 mph gust.", "sourceDetail": "SD_ASOS automated observation — SIOUX FALLS (FSD)", "windSpeedMph": 51, "evidenceLevel": "observed" }, { "id": "iem-ww-FSD-SV-W-289-Minnehaha-wind-2026-09-11", "zip": "", "city": "Minnehaha", "date": "2026-09-11", "county": "Minnehaha", "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 FSD for Minnehaha on 2026-09-11. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS FSD — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "FSD-SV-W-289" }, { "id": "iem-ww-FSD-SV-W-289-Minnehaha-hail-2026-09-11", "zip": "", "city": "Minnehaha", "date": "2026-09-11", "county": "Minnehaha", "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 FSD for Minnehaha on 2026-09-11. Storm tag hail: 1\". This is a warning — not a confirmed event.", "sourceDetail": "NWS FSD — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1, "warningProductKey": "FSD-SV-W-289" }, { "id": "iem-lsr-2026-09-08-wind-43.82--96.78", "lat": 43.82, "lon": -96.78, "zip": "", "city": "3 W Dell Rapids", "date": "2026-09-08", "county": "Minnehaha", "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 17 SD RWIS DELL RAPIDS. Time estimated from radar.", "sourceDetail": "NWS FSD — Mesonet via Iowa Mesonet", "windSpeedMph": 51, "evidenceLevel": "observed" }, { "id": "iem-ww-FSD-SV-W-286-Minnehaha-wind-2026-09-07", "zip": "", "city": "Minnehaha", "date": "2026-09-07", "county": "Minnehaha", "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 FSD for Minnehaha on 2026-09-07. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS FSD — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "FSD-SV-W-286" }, { "id": "iem-ww-FSD-SV-W-286-Minnehaha-hail-2026-09-07", "zip": "", "city": "Minnehaha", "date": "2026-09-07", "county": "Minnehaha", "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 FSD for Minnehaha on 2026-09-07. Storm tag hail: 0.75\". This is a warning — not a confirmed event.", "sourceDetail": "NWS FSD — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 0.75, "warningProductKey": "FSD-SV-W-286" }, { "id": "iem-lsr-2026-09-05-wind-43.58--96.74", "lat": 43.58, "lon": -96.74, "zip": "", "city": "3 NNW Sioux Falls", "date": "2026-09-05", "county": "Minnehaha", "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": "The Sioux Falls ASOS recorded a 52 mph wind gust.", "sourceDetail": "NWS FSD — ASOS via Iowa Mesonet", "windSpeedMph": 52, "evidenceLevel": "observed" }, { "id": "asos-FSD-2026-09-05-39862", "lat": 43.5769, "lon": -96.7536, "zip": "", "city": "SIOUX FALLS", "date": "2026-09-05", "county": "Minnehaha", "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": "SIOUX FALLS (FSD) recorded a 52 mph gust.", "sourceDetail": "SD_ASOS automated observation — SIOUX FALLS (FSD)", "windSpeedMph": 52, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-08-29-wind-43.82--96.78", "lat": 43.82, "lon": -96.78, "zip": "", "city": "3 W Dell Rapids", "date": "2026-08-29", "county": "Minnehaha", "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": "A SDDOT site near Dell Rapids_ SD recorded a 51 mph wind gusts.", "sourceDetail": "NWS FSD — Dept of Highways via Iowa Mesonet", "windSpeedMph": 51, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-08-20-hail-43.65--97.07", "lat": 43.65, "lon": -97.07, "zip": "", "city": "Humboldt", "date": "2026-08-20", "county": "Minnehaha", "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 Humboldt", "sourceDetail": "NWS FSD — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1.75 }, { "id": "iem-lsr-2026-08-20-hail-43.73--96.94", "lat": 43.73, "lon": -96.94, "zip": "", "city": "4 S Colton", "date": "2026-08-20", "county": "Minnehaha", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Report from mPING: Dime (0.75 in.).", "sourceDetail": "NWS FSD — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 0.75 }, { "id": "iem-lsr-2026-08-20-hail-43.62--96.99", "lat": 43.62, "lon": -96.99, "zip": "", "city": "2 W Hartford", "date": "2026-08-20", "county": "Minnehaha", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Photo posted to social media.", "sourceDetail": "NWS FSD — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1.25 }, { "id": "iem-lsr-2026-08-20-hail-43.72--96.87", "lat": 43.72, "lon": -96.87, "zip": "", "city": "5 NW Crooks", "date": "2026-08-20", "county": "Minnehaha", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Photo posted to social media. Time estimated based on radar.", "sourceDetail": "NWS FSD — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1.5 }, { "id": "iem-lsr-2026-08-20-hail-43.69--96.78", "lat": 43.69, "lon": -96.78, "zip": "", "city": "3 NE Crooks", "date": "2026-08-20", "county": "Minnehaha", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Minor leaf damage.", "sourceDetail": "NWS FSD — Cocorahs via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1.25 }, { "id": "iem-lsr-2026-08-20-hail-43.70--96.75", "lat": 43.7, "lon": -96.75, "zip": "", "city": "4 NE Crooks", "date": "2026-08-20", "county": "Minnehaha", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Hail may have been larger. The hail was still quarter size when found in the grass over 30 minutes after it fell.", "sourceDetail": "NWS FSD — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1.25 }, { "id": "iem-lsr-2026-08-20-hail-43.68--96.71", "lat": 43.68, "lon": -96.71, "zip": "", "city": "5 ENE Crooks", "date": "2026-08-20", "county": "Minnehaha", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Report and photo via social media.", "sourceDetail": "NWS FSD — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-08-20-hail-43.76--96.78", "lat": 43.76, "lon": -96.78, "zip": "", "city": "2 W Baltic", "date": "2026-08-20", "county": "Minnehaha", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Report relayed from NWS Aberdeen office.", "sourceDetail": "NWS FSD — Trained Spotter via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-08-20-hail-43.48--96.74", "lat": 43.48, "lon": -96.74, "zip": "", "city": "4 S Sioux Falls", "date": "2026-08-20", "county": "Lincoln", "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 4 S Sioux Falls", "sourceDetail": "NWS FSD — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-08-20-hail-43.37--96.99", "lat": 43.37, "lon": -96.99, "zip": "", "city": "Chancellor", "date": "2026-08-20", "county": "Turner", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "HAIL reported near Chancellor", "sourceDetail": "NWS FSD — Trained Spotter via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 0.88 }, { "id": "iem-lsr-2026-08-20-wind-43.49--97.08", "lat": 43.49, "lon": -97.08, "zip": "", "city": "7 WSW Wall Lake", "date": "2026-08-20", "county": "Turner", "source": "IEM Local Storm Reports", "severity": "severe", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Mesonet station PKMS2 Parker 7NNE (SD Mesonet).", "sourceDetail": "NWS FSD — Mesonet via Iowa Mesonet", "windSpeedMph": 76, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-08-20-wind-43.36--96.99", "lat": 43.36, "lon": -96.99, "zip": "", "city": "1 SSW Chancellor", "date": "2026-08-20", "county": "Turner", "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": "Personal Weather Station.", "sourceDetail": "NWS FSD — Public via Iowa Mesonet", "windSpeedMph": 58, "evidenceLevel": "reported" }, { "id": "iem-ww-FSD-SV-W-242-Minnehaha-wind-2026-08-20", "zip": "", "city": "Minnehaha", "date": "2026-08-20", "county": "Minnehaha", "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 FSD for Minnehaha on 2026-08-20. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS FSD — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "FSD-SV-W-242" }, { "id": "iem-ww-FSD-SV-W-242-Minnehaha-hail-2026-08-20", "zip": "", "city": "Minnehaha", "date": "2026-08-20", "county": "Minnehaha", "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 FSD for Minnehaha on 2026-08-20. Storm tag hail: 1.5\". This is a warning — not a confirmed event.", "sourceDetail": "NWS FSD — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1.5, "warningProductKey": "FSD-SV-W-242" }, { "id": "iem-ww-FSD-SV-W-238-Minnehaha-wind-2026-08-20", "zip": "", "city": "Minnehaha", "date": "2026-08-20", "county": "Minnehaha", "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 FSD for Minnehaha on 2026-08-20. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS FSD — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "FSD-SV-W-238" }, { "id": "iem-ww-FSD-SV-W-238-Minnehaha-hail-2026-08-20", "zip": "", "city": "Minnehaha", "date": "2026-08-20", "county": "Minnehaha", "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 FSD for Minnehaha on 2026-08-20. Storm tag hail: 1\". This is a warning — not a confirmed event.", "sourceDetail": "NWS FSD — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1, "warningProductKey": "FSD-SV-W-238" }, { "id": "iem-ww-FSD-SV-W-240-Minnehaha-wind-2026-08-20", "zip": "", "city": "Minnehaha", "date": "2026-08-20", "county": "Minnehaha", "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 FSD for Minnehaha on 2026-08-20. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS FSD — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "FSD-SV-W-240" }, { "id": "iem-ww-FSD-SV-W-240-Minnehaha-hail-2026-08-20", "zip": "", "city": "Minnehaha", "date": "2026-08-20", "county": "Minnehaha", "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 FSD for Minnehaha on 2026-08-20. Storm tag hail: 1.75\". This is a warning — not a confirmed event.", "sourceDetail": "NWS FSD — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1.75, "warningProductKey": "FSD-SV-W-240" }, { "id": "iem-ww-FSD-SV-W-239-Minnehaha-wind-2026-08-20", "zip": "", "city": "Minnehaha", "date": "2026-08-20", "county": "Minnehaha", "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 FSD for Minnehaha on 2026-08-20. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS FSD — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "FSD-SV-W-239" }, { "id": "iem-ww-FSD-SV-W-239-Minnehaha-hail-2026-08-20", "zip": "", "city": "Minnehaha", "date": "2026-08-20", "county": "Minnehaha", "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 FSD for Minnehaha on 2026-08-20. Storm tag hail: 1.5\". This is a warning — not a confirmed event.", "sourceDetail": "NWS FSD — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1.5, "warningProductKey": "FSD-SV-W-239" }, { "id": "iem-lsr-2026-08-11-hail-43.33--96.77", "lat": 43.33, "lon": -96.77, "zip": "", "city": "Worthing", "date": "2026-08-11", "county": "Lincoln", "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 Worthing", "sourceDetail": "NWS FSD — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1.5 }, { "id": "iem-lsr-2026-08-11-hail-43.24--96.69", "lat": 43.24, "lon": -96.69, "zip": "", "city": "7 SW Canton", "date": "2026-08-11", "county": "Lincoln", "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 7 SW Canton", "sourceDetail": "NWS FSD — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-08-11-hail-43.22--96.57", "lat": 43.22, "lon": -96.57, "zip": "", "city": "4 W Fairview", "date": "2026-08-11", "county": "Lincoln", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Hail varied from pea to nickel size.", "sourceDetail": "NWS FSD — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 0.88 }, { "id": "iem-lsr-2026-07-25-wind-43.67--97.15", "lat": 43.67, "lon": -97.15, "zip": "", "city": "3 SE Montrose", "date": "2026-07-25", "county": "McCook", "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": "Personal weather station.", "sourceDetail": "NWS FSD — Mesonet via Iowa Mesonet", "windSpeedMph": 64, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-07-25-wind-43.56--97.16", "lat": 43.56, "lon": -97.16, "zip": "", "city": "6 NNE Monroe", "date": "2026-07-25", "county": "McCook", "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": "Personal weather station.", "sourceDetail": "NWS FSD — Mesonet via Iowa Mesonet", "windSpeedMph": 58, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-07-25-wind-43.77--96.89", "lat": 43.77, "lon": -96.89, "zip": "", "city": "2 ESE Colton", "date": "2026-07-25", "county": "Minnehaha", "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": "Private weather station CTNS2.", "sourceDetail": "NWS FSD — Mesonet via Iowa Mesonet", "windSpeedMph": 60, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-07-25-wind-43.49--96.73", "lat": 43.49, "lon": -96.73, "zip": "", "city": "4 S Sioux Falls", "date": "2026-07-25", "county": "Lincoln", "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": "Private Weather Station XL530.", "sourceDetail": "NWS FSD — Mesonet via Iowa Mesonet", "windSpeedMph": 60, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-07-25-wind-43.50--96.92", "lat": 43.5, "lon": -96.92, "zip": "", "city": "3 SE Wall Lake", "date": "2026-07-25", "county": "Minnehaha", "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": "Personal weather station.", "sourceDetail": "NWS FSD — Mesonet via Iowa Mesonet", "windSpeedMph": 65, "evidenceLevel": "observed" }, { "id": "asos-bf-FSD-2026-07-25", "lat": 43.5769, "lon": -96.7536, "zip": "", "city": "SIOUX FALLS", "date": "2026-07-25", "county": "Minnehaha", "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": "SIOUX FALLS (FSD) recorded a 72 mph gust.", "sourceDetail": "SD_ASOS automated observation — SIOUX FALLS (FSD) [365d backfill 2026-08]", "windSpeedMph": 72, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-07-25-wind-43.37--96.89", "lat": 43.37, "lon": -96.89, "zip": "", "city": "1 NNE Lennox", "date": "2026-07-25", "county": "Lincoln", "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": "Personal weather station.", "sourceDetail": "NWS FSD — Public via Iowa Mesonet", "windSpeedMph": 58, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-07-25-wind-43.47--96.84", "lat": 43.47, "lon": -96.84, "zip": "", "city": "1 N Tea", "date": "2026-07-25", "county": "Lincoln", "source": "IEM Local Storm Reports", "severity": "severe", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Personal weather station.", "sourceDetail": "NWS FSD — Mesonet via Iowa Mesonet", "windSpeedMph": 75, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-07-25-wind-43.40--96.77", "lat": 43.4, "lon": -96.77, "zip": "", "city": "4 WSW Harrisburg", "date": "2026-07-25", "county": "Lincoln", "source": "IEM Local Storm Reports", "severity": "severe", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Personal weather station.", "sourceDetail": "NWS FSD — Mesonet via Iowa Mesonet", "windSpeedMph": 77, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-07-25-wind-43.26--96.80", "lat": 43.26, "lon": -96.8, "zip": "", "city": "5 SSW Worthing", "date": "2026-07-25", "county": "Lincoln", "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": "Personal weather station.", "sourceDetail": "NWS FSD — Mesonet via Iowa Mesonet", "windSpeedMph": 70, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-07-25-wind-43.44--96.84", "lat": 43.44, "lon": -96.84, "zip": "", "city": "1 SW Tea", "date": "2026-07-25", "county": "Lincoln", "source": "IEM Local Storm Reports", "severity": "severe", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Personal weather station.", "sourceDetail": "NWS FSD — Mesonet via Iowa Mesonet", "windSpeedMph": 81, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-07-25-wind-43.48--96.74", "lat": 43.48, "lon": -96.74, "zip": "", "city": "4 NW Harrisburg", "date": "2026-07-25", "county": "Lincoln", "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": "Personal weather station.", "sourceDetail": "NWS FSD — Mesonet via Iowa Mesonet", "windSpeedMph": 65, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-07-25-wind-43.45--96.84", "lat": 43.45, "lon": -96.84, "zip": "", "city": "Tea", "date": "2026-07-25", "county": "Lincoln", "source": "IEM Local Storm Reports", "severity": "severe", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Personal weather station.", "sourceDetail": "NWS FSD — Public via Iowa Mesonet", "windSpeedMph": 92, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-07-25-wind-43.34--96.75", "lat": 43.34, "lon": -96.75, "zip": "", "city": "1 NE Worthing", "date": "2026-07-25", "county": "Lincoln", "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": "Private weather station XL549.", "sourceDetail": "NWS FSD — Public via Iowa Mesonet", "windSpeedMph": 66, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-07-25-wind-43.51--96.64", "lat": 43.51, "lon": -96.64, "zip": "", "city": "4 W Rowena", "date": "2026-07-25", "county": "Minnehaha", "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": "Personal weather station.", "sourceDetail": "NWS FSD — Mesonet via Iowa Mesonet", "windSpeedMph": 62, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-07-25-wind-43.43--96.71", "lat": 43.43, "lon": -96.71, "zip": "", "city": "1 W Harrisburg", "date": "2026-07-25", "county": "Lincoln", "source": "IEM Local Storm Reports", "severity": "severe", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Personal weather station.", "sourceDetail": "NWS FSD — Mesonet via Iowa Mesonet", "windSpeedMph": 81, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-07-25-wind-43.44--96.69", "lat": 43.44, "lon": -96.69, "zip": "", "city": "1 NNE Harrisburg", "date": "2026-07-25", "county": "Lincoln", "source": "IEM Local Storm Reports", "severity": "severe", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Via personal weather station.", "sourceDetail": "NWS FSD — Public via Iowa Mesonet", "windSpeedMph": 82, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-07-25-wind-43.63--96.61", "lat": 43.63, "lon": -96.61, "zip": "", "city": "3 NNW Brandon", "date": "2026-07-25", "county": "Minnehaha", "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": "Personal weather station.", "sourceDetail": "NWS FSD — Mesonet via Iowa Mesonet", "windSpeedMph": 69, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-07-25-wind-43.31--96.59", "lat": 43.31, "lon": -96.59, "zip": "", "city": "1 NW Canton", "date": "2026-07-25", "county": "Lincoln", "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": "Personal weather station.", "sourceDetail": "NWS FSD — Mesonet via Iowa Mesonet", "windSpeedMph": 70, "evidenceLevel": "observed" }, { "id": "iem-ww-FSD-SV-W-200-Minnehaha-wind-2026-07-25", "zip": "", "city": "Minnehaha", "date": "2026-07-25", "county": "Minnehaha", "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 FSD for Minnehaha on 2026-07-25. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS FSD — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "FSD-SV-W-200" }, { "id": "iem-ww-FSD-SV-W-200-Minnehaha-hail-2026-07-25", "zip": "", "city": "Minnehaha", "date": "2026-07-25", "county": "Minnehaha", "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 FSD for Minnehaha on 2026-07-25. Storm tag hail: 0.75\". This is a warning — not a confirmed event.", "sourceDetail": "NWS FSD — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 0.75, "warningProductKey": "FSD-SV-W-200" }, { "id": "iem-ww-FSD-SV-W-201-Minnehaha-wind-2026-07-25", "zip": "", "city": "Minnehaha", "date": "2026-07-25", "county": "Minnehaha", "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 FSD for Minnehaha on 2026-07-25. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS FSD — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "FSD-SV-W-201" }, { "id": "iem-ww-FSD-SV-W-201-Minnehaha-hail-2026-07-25", "zip": "", "city": "Minnehaha", "date": "2026-07-25", "county": "Minnehaha", "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 FSD for Minnehaha on 2026-07-25. Storm tag hail: 0.75\". This is a warning — not a confirmed event.", "sourceDetail": "NWS FSD — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 0.75, "warningProductKey": "FSD-SV-W-201" }, { "id": "iem-ww-FSD-SV-W-203-Minnehaha-wind-2026-07-25", "zip": "", "city": "Minnehaha", "date": "2026-07-25", "county": "Minnehaha", "source": "IEM Watch/Warn Archive", "severity": "severe", "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 FSD for Minnehaha on 2026-07-25. Storm tag wind: 80 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS FSD — Severe Thunderstorm Warning", "windSpeedMph": 80, "evidenceLevel": "warning", "warningProductKey": "FSD-SV-W-203" }, { "id": "iem-ww-FSD-SV-W-203-Minnehaha-hail-2026-07-25", "zip": "", "city": "Minnehaha", "date": "2026-07-25", "county": "Minnehaha", "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 FSD for Minnehaha on 2026-07-25. Storm tag hail: 0.75\". This is a warning — not a confirmed event.", "sourceDetail": "NWS FSD — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 0.75, "warningProductKey": "FSD-SV-W-203" }, { "id": "asos-FSD-2026-07-25-15507", "lat": 43.5769, "lon": -96.7536, "zip": "", "city": "SIOUX FALLS", "date": "2026-07-25", "county": "Minnehaha", "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": "SIOUX FALLS (FSD) recorded a 73 mph gust.", "sourceDetail": "SD_ASOS automated observation — SIOUX FALLS (FSD)", "windSpeedMph": 73, "evidenceLevel": "observed" }, { "id": "asos-FSD-2026-07-25-15613", "lat": 43.5769, "lon": -96.7536, "zip": "", "city": "SIOUX FALLS", "date": "2026-07-25", "county": "Minnehaha", "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": "SIOUX FALLS (FSD) recorded a 51 mph gust.", "sourceDetail": "SD_ASOS automated observation — SIOUX FALLS (FSD)", "windSpeedMph": 51, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-07-02-wind-43.56--97.16", "lat": 43.56, "lon": -97.16, "zip": "", "city": "6 NNE Monroe", "date": "2026-07-02", "county": "McCook", "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": "Measured on personal weather station.", "sourceDetail": "NWS FSD — Public via Iowa Mesonet", "windSpeedMph": 60, "evidenceLevel": "reported" }, { "id": "iem-ww-FSD-SV-W-178-Minnehaha-wind-2026-07-02", "zip": "", "city": "Minnehaha", "date": "2026-07-02", "county": "Minnehaha", "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 FSD for Minnehaha on 2026-07-02. Storm tag wind: 70 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS FSD — Severe Thunderstorm Warning", "windSpeedMph": 70, "evidenceLevel": "warning", "warningProductKey": "FSD-SV-W-178" }, { "id": "iem-ww-FSD-SV-W-178-Minnehaha-hail-2026-07-02", "zip": "", "city": "Minnehaha", "date": "2026-07-02", "county": "Minnehaha", "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 FSD for Minnehaha on 2026-07-02. Storm tag hail: 1\". This is a warning — not a confirmed event.", "sourceDetail": "NWS FSD — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1, "warningProductKey": "FSD-SV-W-178" }, { "id": "iem-ww-FSD-SV-W-179-Minnehaha-wind-2026-07-02", "zip": "", "city": "Minnehaha", "date": "2026-07-02", "county": "Minnehaha", "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 FSD for Minnehaha on 2026-07-02. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS FSD — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "FSD-SV-W-179" }, { "id": "iem-ww-FSD-SV-W-179-Minnehaha-hail-2026-07-02", "zip": "", "city": "Minnehaha", "date": "2026-07-02", "county": "Minnehaha", "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 FSD for Minnehaha on 2026-07-02. Storm tag hail: 1\". This is a warning — not a confirmed event.", "sourceDetail": "NWS FSD — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1, "warningProductKey": "FSD-SV-W-179" }, { "id": "iem-ww-FSD-SV-W-182-Minnehaha-wind-2026-07-02", "zip": "", "city": "Minnehaha", "date": "2026-07-02", "county": "Minnehaha", "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 FSD for Minnehaha on 2026-07-02. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS FSD — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "FSD-SV-W-182" }, { "id": "iem-ww-FSD-SV-W-182-Minnehaha-hail-2026-07-02", "zip": "", "city": "Minnehaha", "date": "2026-07-02", "county": "Minnehaha", "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 FSD for Minnehaha on 2026-07-02. Storm tag hail: 1\". This is a warning — not a confirmed event.", "sourceDetail": "NWS FSD — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1, "warningProductKey": "FSD-SV-W-182" }, { "id": "iem-ww-FSD-SV-W-184-Minnehaha-wind-2026-07-02", "zip": "", "city": "Minnehaha", "date": "2026-07-02", "county": "Minnehaha", "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 FSD for Minnehaha on 2026-07-02. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS FSD — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "FSD-SV-W-184" }, { "id": "iem-ww-FSD-SV-W-184-Minnehaha-hail-2026-07-02", "zip": "", "city": "Minnehaha", "date": "2026-07-02", "county": "Minnehaha", "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 FSD for Minnehaha on 2026-07-02. Storm tag hail: 1\". This is a warning — not a confirmed event.", "sourceDetail": "NWS FSD — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1, "warningProductKey": "FSD-SV-W-184" }, { "id": "iem-ww-FSD-SV-W-181-Minnehaha-wind-2026-07-02", "zip": "", "city": "Minnehaha", "date": "2026-07-02", "county": "Minnehaha", "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 FSD for Minnehaha on 2026-07-02. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS FSD — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "FSD-SV-W-181" }, { "id": "iem-ww-FSD-SV-W-181-Minnehaha-hail-2026-07-02", "zip": "", "city": "Minnehaha", "date": "2026-07-02", "county": "Minnehaha", "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 FSD for Minnehaha on 2026-07-02. Storm tag hail: 1\". This is a warning — not a confirmed event.", "sourceDetail": "NWS FSD — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1, "warningProductKey": "FSD-SV-W-181" }, { "id": "iem-lsr-2026-07-01-wind-43.64--96.53", "lat": 43.64, "lon": -96.53, "zip": "", "city": "4 NNE Brandon", "date": "2026-07-01", "county": "Minnehaha", "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": "Personal weather station reported gust of 60 mph at 3:23 am CDT.", "sourceDetail": "NWS FSD — Public via Iowa Mesonet", "windSpeedMph": 60, "evidenceLevel": "reported" }, { "id": "iem-ww-FSD-SV-W-153-Minnehaha-wind-2026-07-01", "zip": "", "city": "Minnehaha", "date": "2026-07-01", "county": "Minnehaha", "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 FSD for Minnehaha on 2026-07-01. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS FSD — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "FSD-SV-W-153" }, { "id": "iem-ww-FSD-SV-W-153-Minnehaha-hail-2026-07-01", "zip": "", "city": "Minnehaha", "date": "2026-07-01", "county": "Minnehaha", "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 FSD for Minnehaha on 2026-07-01. Storm tag hail: 0.75\". This is a warning — not a confirmed event.", "sourceDetail": "NWS FSD — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 0.75, "warningProductKey": "FSD-SV-W-153" }, { "id": "iem-ww-FSD-SV-W-155-Minnehaha-wind-2026-07-01", "zip": "", "city": "Minnehaha", "date": "2026-07-01", "county": "Minnehaha", "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 FSD for Minnehaha on 2026-07-01. Storm tag wind: 70 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS FSD — Severe Thunderstorm Warning", "windSpeedMph": 70, "evidenceLevel": "warning", "warningProductKey": "FSD-SV-W-155" }, { "id": "iem-ww-FSD-SV-W-155-Minnehaha-hail-2026-07-01", "zip": "", "city": "Minnehaha", "date": "2026-07-01", "county": "Minnehaha", "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 FSD for Minnehaha on 2026-07-01. Storm tag hail: 0.75\". This is a warning — not a confirmed event.", "sourceDetail": "NWS FSD — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 0.75, "warningProductKey": "FSD-SV-W-155" }, { "id": "iem-ww-FSD-SV-W-151-Minnehaha-wind-2026-07-01", "zip": "", "city": "Minnehaha", "date": "2026-07-01", "county": "Minnehaha", "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 FSD for Minnehaha on 2026-07-01. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS FSD — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "FSD-SV-W-151" }, { "id": "iem-ww-FSD-SV-W-151-Minnehaha-hail-2026-07-01", "zip": "", "city": "Minnehaha", "date": "2026-07-01", "county": "Minnehaha", "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 FSD for Minnehaha on 2026-07-01. Storm tag hail: 0.75\". This is a warning — not a confirmed event.", "sourceDetail": "NWS FSD — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 0.75, "warningProductKey": "FSD-SV-W-151" }, { "id": "asos-bf-FSD-2026-07-01", "lat": 43.5769, "lon": -96.7536, "zip": "", "city": "SIOUX FALLS", "date": "2026-07-01", "county": "Minnehaha", "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": "SIOUX FALLS (FSD) recorded a 51 mph gust.", "sourceDetail": "SD_ASOS automated observation — SIOUX FALLS (FSD) [365d backfill 2026-08]", "windSpeedMph": 51, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-06-30-wind-43.37--97.08", "lat": 43.37, "lon": -97.08, "zip": "", "city": "3 ESE Parker", "date": "2026-06-30", "county": "Turner", "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 310 SD RWIS Parker.", "sourceDetail": "NWS FSD — Mesonet via Iowa Mesonet", "windSpeedMph": 56, "evidenceLevel": "observed" }, { "id": "asos-bf-FSD-2026-06-28", "lat": 43.5769, "lon": -96.7536, "zip": "", "city": "SIOUX FALLS", "date": "2026-06-28", "county": "Minnehaha", "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": "SIOUX FALLS (FSD) recorded a 63 mph gust.", "sourceDetail": "SD_ASOS automated observation — SIOUX FALLS (FSD) [365d backfill 2026-08]", "windSpeedMph": 63, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-06-28-wind-43.82--96.78", "lat": 43.82, "lon": -96.78, "zip": "", "city": "3 W Dell Rapids", "date": "2026-06-28", "county": "Minnehaha", "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 17 SD RWIS DELL RAPIDS.", "sourceDetail": "NWS FSD — Dept of Highways via Iowa Mesonet", "windSpeedMph": 59, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-06-28-wind-43.33--96.88", "lat": 43.33, "lon": -96.88, "zip": "", "city": "2 SSE Lennox", "date": "2026-06-28", "county": "Lincoln", "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": "TSTM WND GST reported near 2 SSE Lennox", "sourceDetail": "NWS FSD — Public via Iowa Mesonet", "windSpeedMph": 67, "evidenceLevel": "reported" }, { "id": "iem-ww-FSD-SV-W-130-Minnehaha-wind-2026-06-28", "zip": "", "city": "Minnehaha", "date": "2026-06-28", "county": "Minnehaha", "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 FSD for Minnehaha on 2026-06-28. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS FSD — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "FSD-SV-W-130" }, { "id": "iem-ww-FSD-SV-W-130-Minnehaha-hail-2026-06-28", "zip": "", "city": "Minnehaha", "date": "2026-06-28", "county": "Minnehaha", "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 FSD for Minnehaha on 2026-06-28. Storm tag hail: 0.75\". This is a warning — not a confirmed event.", "sourceDetail": "NWS FSD — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 0.75, "warningProductKey": "FSD-SV-W-130" }, { "id": "iem-lsr-2026-06-17-wind-43.67--97.15", "lat": 43.67, "lon": -97.15, "zip": "", "city": "3 SE Montrose", "date": "2026-06-17", "county": "McCook", "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 18 SD RWIS Montrose.", "sourceDetail": "NWS FSD — Mesonet via Iowa Mesonet", "windSpeedMph": 55, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-06-17-wind-43.82--96.78", "lat": 43.82, "lon": -96.78, "zip": "", "city": "3 W Dell Rapids", "date": "2026-06-17", "county": "Minnehaha", "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 17 SD RWIS DELL RAPIDS.", "sourceDetail": "NWS FSD — Mesonet via Iowa Mesonet", "windSpeedMph": 54, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-06-17-wind-43.37--97.08", "lat": 43.37, "lon": -97.08, "zip": "", "city": "3 ESE Parker", "date": "2026-06-17", "county": "Turner", "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 310 SD RWIS Parker.", "sourceDetail": "NWS FSD — Mesonet via Iowa Mesonet", "windSpeedMph": 57, "evidenceLevel": "observed" }, { "id": "asos-bf-FSD-2026-06-17", "lat": 43.5769, "lon": -96.7536, "zip": "", "city": "SIOUX FALLS", "date": "2026-06-17", "county": "Minnehaha", "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": "SIOUX FALLS (FSD) recorded a 55 mph gust.", "sourceDetail": "SD_ASOS automated observation — SIOUX FALLS (FSD) [365d backfill 2026-08]", "windSpeedMph": 55, "evidenceLevel": "observed" }, { "id": "iem-ww-FSD-SV-W-120-Minnehaha-wind-2026-06-17", "zip": "", "city": "Minnehaha", "date": "2026-06-17", "county": "Minnehaha", "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 FSD for Minnehaha on 2026-06-17. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS FSD — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "FSD-SV-W-120" }, { "id": "iem-ww-FSD-SV-W-120-Minnehaha-hail-2026-06-17", "zip": "", "city": "Minnehaha", "date": "2026-06-17", "county": "Minnehaha", "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 FSD for Minnehaha on 2026-06-17. Storm tag hail: 0.75\". This is a warning — not a confirmed event.", "sourceDetail": "NWS FSD — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 0.75, "warningProductKey": "FSD-SV-W-120" }, { "id": "iem-ww-FSD-SV-W-121-Minnehaha-wind-2026-06-17", "zip": "", "city": "Minnehaha", "date": "2026-06-17", "county": "Minnehaha", "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 FSD for Minnehaha on 2026-06-17. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS FSD — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "FSD-SV-W-121" }, { "id": "iem-ww-FSD-SV-W-121-Minnehaha-hail-2026-06-17", "zip": "", "city": "Minnehaha", "date": "2026-06-17", "county": "Minnehaha", "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 FSD for Minnehaha on 2026-06-17. Storm tag hail: 0.75\". This is a warning — not a confirmed event.", "sourceDetail": "NWS FSD — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 0.75, "warningProductKey": "FSD-SV-W-121" }, { "id": "iem-lsr-2026-05-31-hail-43.57--97.03", "lat": 43.57, "lon": -97.03, "zip": "", "city": "5 NW Wall Lake", "date": "2026-05-31", "county": "Minnehaha", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Photo and report via social media.", "sourceDetail": "NWS FSD — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-05-31-hail-43.63--97.12", "lat": 43.63, "lon": -97.12, "zip": "", "city": "2 WSW Humboldt", "date": "2026-05-31", "county": "Minnehaha", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "In addition to hail up to the size of quarters_ heavy rainfall was reported.", "sourceDetail": "NWS FSD — Trained Spotter via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-05-31-hail-43.61--97.09", "lat": 43.61, "lon": -97.09, "zip": "", "city": "3 SSW Humboldt", "date": "2026-05-31", "county": "Minnehaha", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Report and video via social media.", "sourceDetail": "NWS FSD — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-05-31-hail-43.64--97.03", "lat": 43.64, "lon": -97.03, "zip": "", "city": "2 ESE Humboldt", "date": "2026-05-31", "county": "Minnehaha", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Report and photo via social media.", "sourceDetail": "NWS FSD — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-05-31-hail-43.27--97.04", "lat": 43.27, "lon": -97.04, "zip": "", "city": "2 WNW Davis", "date": "2026-05-31", "county": "Turner", "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 2 WNW Davis", "sourceDetail": "NWS FSD — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-05-31-hail-43.40--97.14", "lat": 43.4, "lon": -97.14, "zip": "", "city": "Parker", "date": "2026-05-31", "county": "Turner", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Report and photo via social media.", "sourceDetail": "NWS FSD — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-05-31-hail-43.29--97.00", "lat": 43.29, "lon": -97, "zip": "", "city": "2 N Davis", "date": "2026-05-31", "county": "Turner", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Report via social media.", "sourceDetail": "NWS FSD — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-05-31-hail-43.26--97.00", "lat": 43.26, "lon": -97, "zip": "", "city": "Davis", "date": "2026-05-31", "county": "Turner", "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 Davis", "sourceDetail": "NWS FSD — Emergency Mngr via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-geo-2026-05-31-tornado-43.53--97.03", "lat": 43.53, "lon": -97.03, "zip": "", "city": "4 W Wall Lake", "date": "2026-05-31", "county": "Minnehaha", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "tornado", "confidence": 0.9, "damageTypes": [ "Structural roof failure", "Debris penetration", "Complete shingle removal" ], "description": "Radar confirmed tonado.", "sourceDetail": "NWS FSD — NWS Employee via Iowa Mesonet (GeoJSON)", "evidenceLevel": "reported" }, { "id": "iem-ww-FSD-SV-W-80-Minnehaha-wind-2026-05-31", "zip": "", "city": "Minnehaha", "date": "2026-05-31", "county": "Minnehaha", "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 FSD for Minnehaha on 2026-05-31. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS FSD — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "FSD-SV-W-80" }, { "id": "iem-ww-FSD-SV-W-80-Minnehaha-hail-2026-05-31", "zip": "", "city": "Minnehaha", "date": "2026-05-31", "county": "Minnehaha", "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 FSD for Minnehaha on 2026-05-31. Storm tag hail: 1\". This is a warning — not a confirmed event.", "sourceDetail": "NWS FSD — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1, "warningProductKey": "FSD-SV-W-80" }, { "id": "iem-ww-FSD-SV-W-82-Minnehaha-wind-2026-05-31", "zip": "", "city": "Minnehaha", "date": "2026-05-31", "county": "Minnehaha", "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 FSD for Minnehaha on 2026-05-31. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS FSD — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "FSD-SV-W-82" }, { "id": "iem-ww-FSD-SV-W-82-Minnehaha-hail-2026-05-31", "zip": "", "city": "Minnehaha", "date": "2026-05-31", "county": "Minnehaha", "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 FSD for Minnehaha on 2026-05-31. Storm tag hail: 1\". This is a warning — not a confirmed event.", "sourceDetail": "NWS FSD — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1, "warningProductKey": "FSD-SV-W-82" }, { "id": "iem-ww-FSD-TO-W-19-Minnehaha-tornado-2026-05-31", "zip": "", "city": "Minnehaha", "date": "2026-05-31", "county": "Minnehaha", "source": "IEM Watch/Warn Archive", "severity": "severe", "eventType": "tornado", "confidence": 0.85, "damageTypes": [ "Structural roof failure", "Debris penetration", "Complete shingle removal" ], "description": "Tornado Warning issued by NWS FSD for Minnehaha on 2026-05-31. This is a warning — not a confirmed event.", "sourceDetail": "NWS FSD — Tornado Warning", "evidenceLevel": "warning", "warningProductKey": "FSD-TO-W-19" }, { "id": "iem-ww-FSD-TO-W-24-Minnehaha-tornado-2026-05-31", "zip": "", "city": "Minnehaha", "date": "2026-05-31", "county": "Minnehaha", "source": "IEM Watch/Warn Archive", "severity": "severe", "eventType": "tornado", "confidence": 0.85, "damageTypes": [ "Structural roof failure", "Debris penetration", "Complete shingle removal" ], "description": "Tornado Warning issued by NWS FSD for Minnehaha on 2026-05-31. This is a warning — not a confirmed event.", "sourceDetail": "NWS FSD — Tornado Warning", "evidenceLevel": "warning", "warningProductKey": "FSD-TO-W-24" }, { "id": "iem-ww-FSD-TO-W-20-Minnehaha-tornado-2026-05-31", "zip": "", "city": "Minnehaha", "date": "2026-05-31", "county": "Minnehaha", "source": "IEM Watch/Warn Archive", "severity": "severe", "eventType": "tornado", "confidence": 0.85, "damageTypes": [ "Structural roof failure", "Debris penetration", "Complete shingle removal" ], "description": "Tornado Warning issued by NWS FSD for Minnehaha on 2026-05-31. This is a warning — not a confirmed event.", "sourceDetail": "NWS FSD — Tornado Warning", "evidenceLevel": "warning", "warningProductKey": "FSD-TO-W-20" }, { "id": "iem-ww-FSD-TO-W-22-Minnehaha-tornado-2026-05-31", "zip": "", "city": "Minnehaha", "date": "2026-05-31", "county": "Minnehaha", "source": "IEM Watch/Warn Archive", "severity": "severe", "eventType": "tornado", "confidence": 0.85, "damageTypes": [ "Structural roof failure", "Debris penetration", "Complete shingle removal" ], "description": "Tornado Warning issued by NWS FSD for Minnehaha on 2026-05-31. This is a warning — not a confirmed event.", "sourceDetail": "NWS FSD — Tornado Warning", "evidenceLevel": "warning", "warningProductKey": "FSD-TO-W-22" }, { "id": "iem-lsr-2026-05-24-hail-43.60--97.18", "lat": 43.6, "lon": -97.18, "zip": "", "city": "5 E Canistota", "date": "2026-05-24", "county": "McCook", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Report via social media_ time estimated by radar.", "sourceDetail": "NWS FSD — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1.5 }, { "id": "iem-lsr-2026-05-24-hail-43.63--96.95", "lat": 43.63, "lon": -96.95, "zip": "", "city": "1 NNW Hartford", "date": "2026-05-24", "county": "Minnehaha", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Report from social media.", "sourceDetail": "NWS FSD — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 0.75 }, { "id": "iem-lsr-2026-05-24-hail-43.38--97.11", "lat": 43.38, "lon": -97.11, "zip": "", "city": "2 SE Parker", "date": "2026-05-24", "county": "Turner", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Report from social media. Time estimated by radar.", "sourceDetail": "NWS FSD — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-05-24-hail-43.42--96.70", "lat": 43.42, "lon": -96.7, "zip": "", "city": "1 SSW Harrisburg", "date": "2026-05-24", "county": "Lincoln", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Received a public report of quarter sized hail near Harrisburg. Time estimated via radar.", "sourceDetail": "NWS FSD — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-05-24-hail-43.53--96.96", "lat": 43.53, "lon": -96.96, "zip": "", "city": "Wall Lake", "date": "2026-05-24", "county": "Minnehaha", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Report from social media_ time estimated by radar.", "sourceDetail": "NWS FSD — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-05-24-hail-43.52--96.76", "lat": 43.52, "lon": -96.76, "zip": "", "city": "2 SW Sioux Falls", "date": "2026-05-24", "county": "Minnehaha", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Got an mping report of Quarter sized hail in Sioux Falls. Time estimated via radar.", "sourceDetail": "NWS FSD — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-05-24-hail-43.59--96.62", "lat": 43.59, "lon": -96.62, "zip": "", "city": "2 W Brandon", "date": "2026-05-24", "county": "Minnehaha", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "mPING Report of Quarter (1.00 in.) sized hail just west of Brandon. Time estimated via radar.", "sourceDetail": "NWS FSD — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-ww-FSD-SV-W-68-Minnehaha-wind-2026-05-24", "zip": "", "city": "Minnehaha", "date": "2026-05-24", "county": "Minnehaha", "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 FSD for Minnehaha on 2026-05-24. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS FSD — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "FSD-SV-W-68" }, { "id": "iem-ww-FSD-SV-W-68-Minnehaha-hail-2026-05-24", "zip": "", "city": "Minnehaha", "date": "2026-05-24", "county": "Minnehaha", "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 FSD for Minnehaha on 2026-05-24. Storm tag hail: 1.5\". This is a warning — not a confirmed event.", "sourceDetail": "NWS FSD — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1.5, "warningProductKey": "FSD-SV-W-68" }, { "id": "iem-ww-FSD-SV-W-59-Minnehaha-wind-2026-05-24", "zip": "", "city": "Minnehaha", "date": "2026-05-24", "county": "Minnehaha", "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 FSD for Minnehaha on 2026-05-24. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS FSD — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "FSD-SV-W-59" }, { "id": "iem-ww-FSD-SV-W-59-Minnehaha-hail-2026-05-24", "zip": "", "city": "Minnehaha", "date": "2026-05-24", "county": "Minnehaha", "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 FSD for Minnehaha on 2026-05-24. Storm tag hail: 1.5\". This is a warning — not a confirmed event.", "sourceDetail": "NWS FSD — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1.5, "warningProductKey": "FSD-SV-W-59" }, { "id": "iem-ww-FSD-SV-W-73-Minnehaha-wind-2026-05-24", "zip": "", "city": "Minnehaha", "date": "2026-05-24", "county": "Minnehaha", "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 FSD for Minnehaha on 2026-05-24. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS FSD — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "FSD-SV-W-73" }, { "id": "iem-ww-FSD-SV-W-73-Minnehaha-hail-2026-05-24", "zip": "", "city": "Minnehaha", "date": "2026-05-24", "county": "Minnehaha", "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 FSD for Minnehaha on 2026-05-24. Storm tag hail: 1.25\". This is a warning — not a confirmed event.", "sourceDetail": "NWS FSD — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1.25, "warningProductKey": "FSD-SV-W-73" }, { "id": "iem-ww-FSD-SV-W-71-Minnehaha-wind-2026-05-24", "zip": "", "city": "Minnehaha", "date": "2026-05-24", "county": "Minnehaha", "source": "IEM Watch/Warn Archive", "severity": "moderate", "eventType": "wind", "confidence": 0.72, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Severe Thunderstorm Warning issued by NWS FSD for Minnehaha on 2026-05-24. Storm tag wind: 50 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS FSD — Severe Thunderstorm Warning", "windSpeedMph": 50, "evidenceLevel": "warning", "warningProductKey": "FSD-SV-W-71" }, { "id": "iem-ww-FSD-SV-W-71-Minnehaha-hail-2026-05-24", "zip": "", "city": "Minnehaha", "date": "2026-05-24", "county": "Minnehaha", "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 FSD for Minnehaha on 2026-05-24. Storm tag hail: 1.5\". This is a warning — not a confirmed event.", "sourceDetail": "NWS FSD — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1.5, "warningProductKey": "FSD-SV-W-71" }, { "id": "iem-ww-FSD-SV-W-70-Minnehaha-wind-2026-05-24", "zip": "", "city": "Minnehaha", "date": "2026-05-24", "county": "Minnehaha", "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 FSD for Minnehaha on 2026-05-24. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS FSD — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "FSD-SV-W-70" }, { "id": "iem-ww-FSD-SV-W-70-Minnehaha-hail-2026-05-24", "zip": "", "city": "Minnehaha", "date": "2026-05-24", "county": "Minnehaha", "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 FSD for Minnehaha on 2026-05-24. Storm tag hail: 1.25\". This is a warning — not a confirmed event.", "sourceDetail": "NWS FSD — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1.25, "warningProductKey": "FSD-SV-W-70" }, { "id": "iem-lsr-2026-05-17-hail-43.35--96.93", "lat": 43.35, "lon": -96.93, "zip": "", "city": "2 W Lennox", "date": "2026-05-17", "county": "Turner", "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 with estimated 40-50 mph winds reported.", "sourceDetail": "NWS FSD — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-05-17-hail-43.53--96.84", "lat": 43.53, "lon": -96.84, "zip": "", "city": "5 W Sioux Falls", "date": "2026-05-17", "county": "Minnehaha", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Report from mPING.", "sourceDetail": "NWS FSD — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-05-17-hail-43.48--96.75", "lat": 43.48, "lon": -96.75, "zip": "", "city": "4 NW Harrisburg", "date": "2026-05-17", "county": "Lincoln", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Report from 85th and Western of quarter size hail.", "sourceDetail": "NWS FSD — Emergency Mngr via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-05-17-hail-43.45--96.84", "lat": 43.45, "lon": -96.84, "zip": "", "city": "Tea", "date": "2026-05-17", "county": "Lincoln", "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 Tea", "sourceDetail": "NWS FSD — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-05-17-hail-43.49--96.71", "lat": 43.49, "lon": -96.71, "zip": "", "city": "4 SSE Sioux Falls", "date": "2026-05-17", "county": "Lincoln", "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 4 SSE Sioux Falls", "sourceDetail": "NWS FSD — Trained Spotter via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1.5 }, { "id": "iem-lsr-2026-05-17-hail-43.59--96.46", "lat": 43.59, "lon": -96.46, "zip": "", "city": "Valley Springs", "date": "2026-05-17", "county": "Minnehaha", "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 Valley Springs", "sourceDetail": "NWS FSD — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-05-17-wind-43.36--96.99", "lat": 43.36, "lon": -96.99, "zip": "", "city": "1 S Chancellor", "date": "2026-05-17", "county": "Turner", "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": "Via personal weather station. Exact time estimated via radar.", "sourceDetail": "NWS FSD — Public via Iowa Mesonet", "windSpeedMph": 60, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-05-17-wind-43.39--96.94", "lat": 43.39, "lon": -96.94, "zip": "", "city": "2 ENE Chancellor", "date": "2026-05-17", "county": "Turner", "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": "Via personal weather station. Exact time estimated via radar.", "sourceDetail": "NWS FSD — Public via Iowa Mesonet", "windSpeedMph": 70, "evidenceLevel": "reported" }, { "id": "iem-geo-2026-05-17-tornado-43.26--97.03", "lat": 43.26, "lon": -97.03, "zip": "", "city": "2 W Davis", "date": "2026-05-17", "county": "Turner", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "tornado", "confidence": 0.9, "damageTypes": [ "Structural roof failure", "Debris penetration", "Complete shingle removal" ], "description": "Video via social media of brief gustnado. Location estimated.", "sourceDetail": "NWS FSD — Public via Iowa Mesonet (GeoJSON)", "evidenceLevel": "reported" }, { "id": "iem-ww-FSD-SV-W-42-Minnehaha-wind-2026-05-17", "zip": "", "city": "Minnehaha", "date": "2026-05-17", "county": "Minnehaha", "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 FSD for Minnehaha on 2026-05-17. Storm tag wind: 70 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS FSD — Severe Thunderstorm Warning", "windSpeedMph": 70, "evidenceLevel": "warning", "warningProductKey": "FSD-SV-W-42" }, { "id": "iem-ww-FSD-SV-W-42-Minnehaha-hail-2026-05-17", "zip": "", "city": "Minnehaha", "date": "2026-05-17", "county": "Minnehaha", "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 FSD for Minnehaha on 2026-05-17. Storm tag hail: 0.75\". This is a warning — not a confirmed event.", "sourceDetail": "NWS FSD — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 0.75, "warningProductKey": "FSD-SV-W-42" }, { "id": "iem-ww-FSD-SV-W-41-Minnehaha-wind-2026-05-17", "zip": "", "city": "Minnehaha", "date": "2026-05-17", "county": "Minnehaha", "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 FSD for Minnehaha on 2026-05-17. Storm tag wind: 70 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS FSD — Severe Thunderstorm Warning", "windSpeedMph": 70, "evidenceLevel": "warning", "warningProductKey": "FSD-SV-W-41" }, { "id": "iem-ww-FSD-SV-W-41-Minnehaha-hail-2026-05-17", "zip": "", "city": "Minnehaha", "date": "2026-05-17", "county": "Minnehaha", "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 FSD for Minnehaha on 2026-05-17. Storm tag hail: 1\". This is a warning — not a confirmed event.", "sourceDetail": "NWS FSD — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1, "warningProductKey": "FSD-SV-W-41" }, { "id": "iem-ww-FSD-TO-W-6-Minnehaha-tornado-2026-05-17", "zip": "", "city": "Minnehaha", "date": "2026-05-17", "county": "Minnehaha", "source": "IEM Watch/Warn Archive", "severity": "severe", "eventType": "tornado", "confidence": 0.85, "damageTypes": [ "Structural roof failure", "Debris penetration", "Complete shingle removal" ], "description": "Tornado Warning issued by NWS FSD for Minnehaha on 2026-05-17. This is a warning — not a confirmed event.", "sourceDetail": "NWS FSD — Tornado Warning", "evidenceLevel": "warning", "warningProductKey": "FSD-TO-W-6" }, { "id": "iem-lsr-2026-04-13-hail-43.52--96.81", "lat": 43.52, "lon": -96.81, "zip": "", "city": "5 W Sioux Falls", "date": "2026-04-13", "county": "Minnehaha", "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 5 W Sioux Falls", "sourceDetail": "NWS FSD — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-04-13-hail-43.45--96.83", "lat": 43.45, "lon": -96.83, "zip": "", "city": "Tea", "date": "2026-04-13", "county": "Lincoln", "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 Tea", "sourceDetail": "NWS FSD — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1.5 }, { "id": "iem-lsr-2026-04-13-hail-43.52--96.80", "lat": 43.52, "lon": -96.8, "zip": "", "city": "4 WSW Sioux Falls", "date": "2026-04-13", "county": "Minnehaha", "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 4 WSW Sioux Falls", "sourceDetail": "NWS FSD — NWS Employee via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1.5 }, { "id": "iem-lsr-2026-04-13-hail-43.47--96.78", "lat": 43.47, "lon": -96.78, "zip": "", "city": "3 ENE Tea", "date": "2026-04-13", "county": "Lincoln", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Penny to quarter size hail.", "sourceDetail": "NWS FSD — NWS Employee via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-04-13-hail-43.47--96.78", "lat": 43.47, "lon": -96.78, "zip": "", "city": "4 NE Tea", "date": "2026-04-13", "county": "Lincoln", "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 4 NE Tea", "sourceDetail": "NWS FSD — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1.25 }, { "id": "iem-lsr-2026-04-13-hail-43.48--96.79", "lat": 43.48, "lon": -96.79, "zip": "", "city": "3 NE Tea", "date": "2026-04-13", "county": "Lincoln", "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 NE Tea", "sourceDetail": "NWS FSD — Trained Spotter via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-04-13-hail-43.48--96.77", "lat": 43.48, "lon": -96.77, "zip": "", "city": "4 NE Tea", "date": "2026-04-13", "county": "Lincoln", "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 4 NE Tea", "sourceDetail": "NWS FSD — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-04-13-hail-43.51--96.72", "lat": 43.51, "lon": -96.72, "zip": "", "city": "2 S Sioux Falls", "date": "2026-04-13", "county": "Minnehaha", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "HAIL reported near 2 S Sioux Falls", "sourceDetail": "NWS FSD — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 0.75 }, { "id": "iem-lsr-2026-04-13-hail-43.48--96.73", "lat": 43.48, "lon": -96.73, "zip": "", "city": "4 NNW Harrisburg", "date": "2026-04-13", "county": "Lincoln", "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 4 NNW Harrisburg", "sourceDetail": "NWS FSD — NWS Employee via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-04-13-hail-43.52--96.68", "lat": 43.52, "lon": -96.68, "zip": "", "city": "3 SE Sioux Falls", "date": "2026-04-13", "county": "Minnehaha", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "HAIL reported near 3 SE Sioux Falls", "sourceDetail": "NWS FSD — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 0.75 }, { "id": "iem-lsr-2026-04-13-hail-43.51--96.65", "lat": 43.51, "lon": -96.65, "zip": "", "city": "4 E Sioux Falls", "date": "2026-04-13", "county": "Minnehaha", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "HAIL reported near 4 E Sioux Falls", "sourceDetail": "NWS FSD — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 0.75 }, { "id": "iem-lsr-2026-04-13-hail-43.50--96.67", "lat": 43.5, "lon": -96.67, "zip": "", "city": "4 SE Sioux Falls", "date": "2026-04-13", "county": "Lincoln", "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 4 SE Sioux Falls", "sourceDetail": "NWS FSD — NWS Employee via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-04-13-hail-43.52--96.67", "lat": 43.52, "lon": -96.67, "zip": "", "city": "3 E Sioux Falls", "date": "2026-04-13", "county": "Minnehaha", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "HAIL reported near 3 E Sioux Falls", "sourceDetail": "NWS FSD — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 0.75 }, { "id": "iem-ww-FSD-SV-W-9-Minnehaha-wind-2026-04-13", "zip": "", "city": "Minnehaha", "date": "2026-04-13", "county": "Minnehaha", "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 FSD for Minnehaha on 2026-04-13. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS FSD — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "FSD-SV-W-9" }, { "id": "iem-ww-FSD-SV-W-9-Minnehaha-hail-2026-04-13", "zip": "", "city": "Minnehaha", "date": "2026-04-13", "county": "Minnehaha", "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 FSD for Minnehaha on 2026-04-13. Storm tag hail: 1.25\". This is a warning — not a confirmed event.", "sourceDetail": "NWS FSD — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1.25, "warningProductKey": "FSD-SV-W-9" }, { "id": "ncei-1333972-2026-04-13", "lon": 213114, "zip": "", "city": "SOUTH SIOUX FALLS", "date": "2026-04-13", "county": "Minnehaha", "source": "NCEI Storm Events Database", "severity": "high", "eventType": "hail", "confidence": 0.95, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "At late afternoon, considerable moisture focused near a strong warm front from low pressure across northeastern Nebraska through northwest Iowa. Climatologically significant mid-level lapse rates produced a strong capping inversion which gradually weakened north of the warm front. Storms initiated with effective deep-layer shear from 40 to 50 knots and quickly became severe hail producers north of the warm front across southeast South Dakota into southwest Minnesota during the late afternoon, with additional storms developing in proximity to the surface wave across northwest Iowa. One of these latter storms produced two weak tornadoes across northwest Iowa.", "sourceDetail": "Verified by Public — NCEI Event #1333972", "evidenceLevel": "official_backfill", "hailSizeInches": 1 }, { "id": "ncei-1333974-2026-04-13", "lon": 213114, "zip": "", "city": "SOUTH SIOUX FALLS", "date": "2026-04-13", "county": "Minnehaha", "source": "NCEI Storm Events Database", "severity": "high", "eventType": "hail", "confidence": 0.95, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "At late afternoon, considerable moisture focused near a strong warm front from low pressure across northeastern Nebraska through northwest Iowa. Climatologically significant mid-level lapse rates produced a strong capping inversion which gradually weakened north of the warm front. Storms initiated with effective deep-layer shear from 40 to 50 knots and quickly became severe hail producers north of the warm front across southeast South Dakota into southwest Minnesota during the late afternoon, with additional storms developing in proximity to the surface wave across northwest Iowa. One of these latter storms produced two weak tornadoes across northwest Iowa.", "sourceDetail": "Verified by NWS Employee — NCEI Event #1333974", "evidenceLevel": "official_backfill", "hailSizeInches": 1.5 }, { "id": "ncei-1333986-2026-04-13", "lon": 213114, "zip": "", "city": "SIOUX FALLS", "date": "2026-04-13", "county": "Minnehaha", "source": "NCEI Storm Events Database", "severity": "moderate", "eventType": "hail", "confidence": 0.95, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "At late afternoon, considerable moisture focused near a strong warm front from low pressure across northeastern Nebraska through northwest Iowa. Climatologically significant mid-level lapse rates produced a strong capping inversion which gradually weakened north of the warm front. Storms initiated with effective deep-layer shear from 40 to 50 knots and quickly became severe hail producers north of the warm front across southeast South Dakota into southwest Minnesota during the late afternoon, with additional storms developing in proximity to the surface wave across northwest Iowa. One of these latter storms produced two weak tornadoes across northwest Iowa.", "sourceDetail": "Verified by Public — NCEI Event #1333986", "evidenceLevel": "official_backfill", "hailSizeInches": 0.75 }, { "id": "ncei-1333990-2026-04-13", "lon": 213114, "zip": "", "city": "EAST SIOUX FALLS", "date": "2026-04-13", "county": "Minnehaha", "source": "NCEI Storm Events Database", "severity": "moderate", "eventType": "hail", "confidence": 0.95, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "At late afternoon, considerable moisture focused near a strong warm front from low pressure across northeastern Nebraska through northwest Iowa. Climatologically significant mid-level lapse rates produced a strong capping inversion which gradually weakened north of the warm front. Storms initiated with effective deep-layer shear from 40 to 50 knots and quickly became severe hail producers north of the warm front across southeast South Dakota into southwest Minnesota during the late afternoon, with additional storms developing in proximity to the surface wave across northwest Iowa. One of these latter storms produced two weak tornadoes across northwest Iowa.", "sourceDetail": "Verified by Public — NCEI Event #1333990", "evidenceLevel": "official_backfill", "hailSizeInches": 0.75 }, { "id": "asos-bf-FSD-2026-03-28", "lat": 43.5769, "lon": -96.7536, "zip": "", "city": "SIOUX FALLS", "date": "2026-03-28", "county": "Minnehaha", "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": "SIOUX FALLS (FSD) recorded a 50 mph gust.", "sourceDetail": "SD_ASOS automated observation — SIOUX FALLS (FSD) [365d backfill 2026-08]", "windSpeedMph": 50, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-03-15-wind-43.26--96.80", "lat": 43.26, "lon": -96.8, "zip": "", "city": "5 SSW Worthing", "date": "2026-03-15", "county": "Lincoln", "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 176 SD RWIS Davis.", "sourceDetail": "NWS FSD — Mesonet via Iowa Mesonet", "windSpeedMph": 54, "evidenceLevel": "observed" }, { "id": "asos-bf-FSD-2026-03-15", "lat": 43.5769, "lon": -96.7536, "zip": "", "city": "SIOUX FALLS", "date": "2026-03-15", "county": "Minnehaha", "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": "SIOUX FALLS (FSD) recorded a 53 mph gust.", "sourceDetail": "SD_ASOS automated observation — SIOUX FALLS (FSD) [365d backfill 2026-08]", "windSpeedMph": 53, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-03-15-wind-43.67--97.15", "lat": 43.67, "lon": -97.15, "zip": "", "city": "3 SE Montrose", "date": "2026-03-15", "county": "McCook", "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 18 SD RWIS Montrose.", "sourceDetail": "NWS FSD — Mesonet via Iowa Mesonet", "windSpeedMph": 55, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-03-15-wind-43.82--96.78", "lat": 43.82, "lon": -96.78, "zip": "", "city": "3 W Dell Rapids", "date": "2026-03-15", "county": "Minnehaha", "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 17 SD RWIS DELL RAPIDS.", "sourceDetail": "NWS FSD — Mesonet via Iowa Mesonet", "windSpeedMph": 59, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-03-15-wind-43.37--97.08", "lat": 43.37, "lon": -97.08, "zip": "", "city": "3 ESE Parker", "date": "2026-03-15", "county": "Turner", "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 310 SD RWIS Parker.", "sourceDetail": "NWS FSD — Mesonet via Iowa Mesonet", "windSpeedMph": 56, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-03-15-wind-43.49--97.08", "lat": 43.49, "lon": -97.08, "zip": "", "city": "7 WSW Wall Lake", "date": "2026-03-15", "county": "Turner", "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 PKMS2 Parker 7NNE (SD Mesonet).", "sourceDetail": "NWS FSD — Mesonet via Iowa Mesonet", "windSpeedMph": 51, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-03-13-wind-43.82--96.78", "lat": 43.82, "lon": -96.78, "zip": "", "city": "3 W Dell Rapids", "date": "2026-03-13", "county": "Minnehaha", "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 17 SD RWIS DELL RAPIDS.", "sourceDetail": "NWS FSD — Mesonet via Iowa Mesonet", "windSpeedMph": 66, "evidenceLevel": "observed" }, { "id": "asos-bf-FSD-2026-03-13", "lat": 43.5769, "lon": -96.7536, "zip": "", "city": "SIOUX FALLS", "date": "2026-03-13", "county": "Minnehaha", "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": "SIOUX FALLS (FSD) recorded a 54 mph gust.", "sourceDetail": "SD_ASOS automated observation — SIOUX FALLS (FSD) [365d backfill 2026-08]", "windSpeedMph": 54, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-03-12-wind-43.67--97.15", "lat": 43.67, "lon": -97.15, "zip": "", "city": "3 SE Montrose", "date": "2026-03-12", "county": "McCook", "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 18 SD RWIS Montrose.", "sourceDetail": "NWS FSD — Mesonet via Iowa Mesonet", "windSpeedMph": 66, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-03-12-wind-43.37--97.08", "lat": 43.37, "lon": -97.08, "zip": "", "city": "3 ESE Parker", "date": "2026-03-12", "county": "Turner", "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 310 SD RWIS Parker.", "sourceDetail": "NWS FSD — Mesonet via Iowa Mesonet", "windSpeedMph": 69, "evidenceLevel": "observed" }, { "id": "asos-bf-FSD-2026-03-12", "lat": 43.5769, "lon": -96.7536, "zip": "", "city": "SIOUX FALLS", "date": "2026-03-12", "county": "Minnehaha", "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": "SIOUX FALLS (FSD) recorded a 62 mph gust.", "sourceDetail": "SD_ASOS automated observation — SIOUX FALLS (FSD) [365d backfill 2026-08]", "windSpeedMph": 62, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-03-12-wind-43.26--96.80", "lat": 43.26, "lon": -96.8, "zip": "", "city": "5 SSW Worthing", "date": "2026-03-12", "county": "Lincoln", "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 176 SD RWIS Davis.", "sourceDetail": "NWS FSD — Mesonet via Iowa Mesonet", "windSpeedMph": 59, "evidenceLevel": "observed" }, { "id": "iem-ww-FSD-HW-W-4-Minnehaha-wind-2026-03-12", "zip": "", "city": "Minnehaha", "date": "2026-03-12", "county": "Minnehaha", "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 Minnehaha.", "sourceDetail": "NWS FSD — HW/W", "evidenceLevel": "warning", "warningProductKey": "FSD-HW-W-4" }, { "id": "iem-lsr-2026-02-18-wind-43.67--97.15", "lat": 43.67, "lon": -97.15, "zip": "", "city": "3 SE Montrose", "date": "2026-02-18", "county": "McCook", "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 18 SD RWIS Montrose.", "sourceDetail": "NWS FSD — Mesonet via Iowa Mesonet", "windSpeedMph": 61, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-02-18-wind-43.49--97.08", "lat": 43.49, "lon": -97.08, "zip": "", "city": "7 WSW Wall Lake", "date": "2026-02-18", "county": "Turner", "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 PKMS2 Parker 7NNE (SD Mesonet).", "sourceDetail": "NWS FSD — Mesonet via Iowa Mesonet", "windSpeedMph": 50, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-02-18-wind-43.37--97.08", "lat": 43.37, "lon": -97.08, "zip": "", "city": "3 ESE Parker", "date": "2026-02-18", "county": "Turner", "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 310 SD RWIS Parker.", "sourceDetail": "NWS FSD — Mesonet via Iowa Mesonet", "windSpeedMph": 54, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-02-18-wind-43.26--96.80", "lat": 43.26, "lon": -96.8, "zip": "", "city": "5 SSW Worthing", "date": "2026-02-18", "county": "Lincoln", "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 176 SD RWIS Davis.", "sourceDetail": "NWS FSD — Mesonet via Iowa Mesonet", "windSpeedMph": 56, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-02-18-wind-43.44--96.69", "lat": 43.44, "lon": -96.69, "zip": "", "city": "1 NNE Harrisburg", "date": "2026-02-18", "county": "Lincoln", "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 GW4277 HARRISBURG.", "sourceDetail": "NWS FSD — Mesonet via Iowa Mesonet", "windSpeedMph": 50, "evidenceLevel": "observed" }, { "id": "asos-bf-FSD-2026-02-18", "lat": 43.5769, "lon": -96.7536, "zip": "", "city": "SIOUX FALLS", "date": "2026-02-18", "county": "Minnehaha", "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": "SIOUX FALLS (FSD) recorded a 56 mph gust.", "sourceDetail": "SD_ASOS automated observation — SIOUX FALLS (FSD) [365d backfill 2026-08]", "windSpeedMph": 56, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-02-17-wind-43.82--96.78", "lat": 43.82, "lon": -96.78, "zip": "", "city": "3 W Dell Rapids", "date": "2026-02-17", "county": "Minnehaha", "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 17 SD RWIS DELL RAPIDS.", "sourceDetail": "NWS FSD — Mesonet via Iowa Mesonet", "windSpeedMph": 58, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-01-21-wind-43.67--97.15", "lat": 43.67, "lon": -97.15, "zip": "", "city": "3 SE Montrose", "date": "2026-01-21", "county": "McCook", "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 18 SD RWIS Montrose.", "sourceDetail": "NWS FSD — Mesonet via Iowa Mesonet", "windSpeedMph": 64, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-01-21-wind-43.82--96.78", "lat": 43.82, "lon": -96.78, "zip": "", "city": "3 W Dell Rapids", "date": "2026-01-21", "county": "Minnehaha", "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 17 SD RWIS DELL RAPIDS.", "sourceDetail": "NWS FSD — Mesonet via Iowa Mesonet", "windSpeedMph": 51, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-01-21-wind-43.49--97.08", "lat": 43.49, "lon": -97.08, "zip": "", "city": "7 WSW Wall Lake", "date": "2026-01-21", "county": "Turner", "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 PKMS2 Parker 7NNE (SD Mesonet).", "sourceDetail": "NWS FSD — Mesonet via Iowa Mesonet", "windSpeedMph": 57, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-01-21-wind-43.37--97.08", "lat": 43.37, "lon": -97.08, "zip": "", "city": "3 ESE Parker", "date": "2026-01-21", "county": "Turner", "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 310 SD RWIS Parker.", "sourceDetail": "NWS FSD — Mesonet via Iowa Mesonet", "windSpeedMph": 64, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-01-21-wind-43.26--96.80", "lat": 43.26, "lon": -96.8, "zip": "", "city": "5 SSW Worthing", "date": "2026-01-21", "county": "Lincoln", "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 176 SD RWIS Davis.", "sourceDetail": "NWS FSD — Mesonet via Iowa Mesonet", "windSpeedMph": 60, "evidenceLevel": "observed" }, { "id": "asos-bf-FSD-2026-01-21", "lat": 43.5769, "lon": -96.7536, "zip": "", "city": "SIOUX FALLS", "date": "2026-01-21", "county": "Minnehaha", "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": "SIOUX FALLS (FSD) recorded a 56 mph gust.", "sourceDetail": "SD_ASOS automated observation — SIOUX FALLS (FSD) [365d backfill 2026-08]", "windSpeedMph": 56, "evidenceLevel": "observed" }, { "id": "asos-bf-FSD-2026-01-18", "lat": 43.5769, "lon": -96.7536, "zip": "", "city": "SIOUX FALLS", "date": "2026-01-18", "county": "Minnehaha", "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": "SIOUX FALLS (FSD) recorded a 50 mph gust.", "sourceDetail": "SD_ASOS automated observation — SIOUX FALLS (FSD) [365d backfill 2026-08]", "windSpeedMph": 50, "evidenceLevel": "observed" }, { "id": "asos-bf-FSD-2026-01-16", "lat": 43.5769, "lon": -96.7536, "zip": "", "city": "SIOUX FALLS", "date": "2026-01-16", "county": "Minnehaha", "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": "SIOUX FALLS (FSD) recorded a 53 mph gust.", "sourceDetail": "SD_ASOS automated observation — SIOUX FALLS (FSD) [365d backfill 2026-08]", "windSpeedMph": 53, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-29-wind-43.37--97.08", "lat": 43.37, "lon": -97.08, "zip": "", "city": "3 ESE Parker", "date": "2025-12-29", "county": "Turner", "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 310 SD RWIS Parker.", "sourceDetail": "NWS FSD — Mesonet via Iowa Mesonet", "windSpeedMph": 51, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-28-wind-43.67--97.15", "lat": 43.67, "lon": -97.15, "zip": "", "city": "3 SE Montrose", "date": "2025-12-28", "county": "McCook", "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 18 SD RWIS Montrose.", "sourceDetail": "NWS FSD — Mesonet via Iowa Mesonet", "windSpeedMph": 53, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-28-wind-43.26--96.80", "lat": 43.26, "lon": -96.8, "zip": "", "city": "5 SSW Worthing", "date": "2025-12-28", "county": "Lincoln", "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 176 SD RWIS Davis.", "sourceDetail": "NWS FSD — Mesonet via Iowa Mesonet", "windSpeedMph": 51, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-28-wind-43.82--96.78", "lat": 43.82, "lon": -96.78, "zip": "", "city": "3 W Dell Rapids", "date": "2025-12-28", "county": "Minnehaha", "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 17 SD RWIS DELL RAPIDS.", "sourceDetail": "NWS FSD — Mesonet via Iowa Mesonet", "windSpeedMph": 53, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-18-wind-43.37--97.08", "lat": 43.37, "lon": -97.08, "zip": "", "city": "3 ESE Parker", "date": "2025-12-18", "county": "Turner", "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 310 SD RWIS Parker.", "sourceDetail": "NWS FSD — Mesonet via Iowa Mesonet", "windSpeedMph": 62, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-18-wind-43.49--97.08", "lat": 43.49, "lon": -97.08, "zip": "", "city": "7 WSW Wall Lake", "date": "2025-12-18", "county": "Turner", "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 PKMS2 Parker 7NNE (SD Mesonet).", "sourceDetail": "NWS FSD — Mesonet via Iowa Mesonet", "windSpeedMph": 59, "evidenceLevel": "observed" }, { "id": "asos-bf-FSD-2025-12-18", "lat": 43.5769, "lon": -96.7536, "zip": "", "city": "SIOUX FALLS", "date": "2025-12-18", "county": "Minnehaha", "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": "SIOUX FALLS (FSD) recorded a 59 mph gust.", "sourceDetail": "SD_ASOS automated observation — SIOUX FALLS (FSD) [365d backfill 2026-08]", "windSpeedMph": 59, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-18-wind-43.67--97.15", "lat": 43.67, "lon": -97.15, "zip": "", "city": "3 SE Montrose", "date": "2025-12-18", "county": "McCook", "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 18 SD RWIS Montrose.", "sourceDetail": "NWS FSD — Mesonet via Iowa Mesonet", "windSpeedMph": 67, "evidenceLevel": "observed" }, { "id": "iem-ww-FSD-HW-W-9-Minnehaha-wind-2025-12-18", "zip": "", "city": "Minnehaha", "date": "2025-12-18", "county": "Minnehaha", "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 Minnehaha.", "sourceDetail": "NWS FSD — HW/W", "evidenceLevel": "warning", "warningProductKey": "FSD-HW-W-9" }, { "id": "iem-lsr-2025-12-10-wind-43.82--96.78", "lat": 43.82, "lon": -96.78, "zip": "", "city": "3 W Dell Rapids", "date": "2025-12-10", "county": "Minnehaha", "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 17 SD RWIS Dell Rapids.", "sourceDetail": "NWS FSD — Mesonet via Iowa Mesonet", "windSpeedMph": 71, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-10-wind-43.44--96.68", "lat": 43.44, "lon": -96.68, "zip": "", "city": "1 NE Harrisburg", "date": "2025-12-10", "county": "Lincoln", "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 AWN6589 Harrisburg.", "sourceDetail": "NWS FSD — Mesonet via Iowa Mesonet", "windSpeedMph": 69, "evidenceLevel": "observed" }, { "id": "asos-bf-FSD-2025-12-10", "lat": 43.5769, "lon": -96.7536, "zip": "", "city": "SIOUX FALLS", "date": "2025-12-10", "county": "Minnehaha", "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": "SIOUX FALLS (FSD) recorded a 71 mph gust.", "sourceDetail": "SD_ASOS automated observation — SIOUX FALLS (FSD) [365d backfill 2026-08]", "windSpeedMph": 71, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-10-wind-43.67--97.15", "lat": 43.67, "lon": -97.15, "zip": "", "city": "3 SE Montrose", "date": "2025-12-10", "county": "McCook", "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 18 SD RWIS Montrose.", "sourceDetail": "NWS FSD — Mesonet via Iowa Mesonet", "windSpeedMph": 66, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-10-wind-43.49--97.08", "lat": 43.49, "lon": -97.08, "zip": "", "city": "7 WSW Wall Lake", "date": "2025-12-10", "county": "Turner", "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 PKMS2 Parker 7NNE (SD Mesonet).", "sourceDetail": "NWS FSD — Mesonet via Iowa Mesonet", "windSpeedMph": 60, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-10-wind-43.37--97.08", "lat": 43.37, "lon": -97.08, "zip": "", "city": "3 ESE Parker", "date": "2025-12-10", "county": "Turner", "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 310 SD RWIS Parker.", "sourceDetail": "NWS FSD — Mesonet via Iowa Mesonet", "windSpeedMph": 62, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-10-wind-43.26--96.80", "lat": 43.26, "lon": -96.8, "zip": "", "city": "5 SSW Worthing", "date": "2025-12-10", "county": "Lincoln", "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 176 SD RWIS Davis.", "sourceDetail": "NWS FSD — Mesonet via Iowa Mesonet", "windSpeedMph": 62, "evidenceLevel": "observed" }, { "id": "iem-ww-FSD-HW-W-8-Minnehaha-wind-2025-12-10", "zip": "", "city": "Minnehaha", "date": "2025-12-10", "county": "Minnehaha", "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 Minnehaha.", "sourceDetail": "NWS FSD — HW/W", "evidenceLevel": "warning", "warningProductKey": "FSD-HW-W-8" }, { "id": "asos-bf-FSD-2025-12-09", "lat": 43.5769, "lon": -96.7536, "zip": "", "city": "SIOUX FALLS", "date": "2025-12-09", "county": "Minnehaha", "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": "SIOUX FALLS (FSD) recorded a 58 mph gust.", "sourceDetail": "SD_ASOS automated observation — SIOUX FALLS (FSD) [365d backfill 2026-08]", "windSpeedMph": 58, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-11-25-wind-43.37--97.08", "lat": 43.37, "lon": -97.08, "zip": "", "city": "3 ESE Parker", "date": "2025-11-25", "county": "Turner", "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 310 SD RWIS Parker.", "sourceDetail": "NWS FSD — Mesonet via Iowa Mesonet", "windSpeedMph": 56, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-11-25-wind-43.67--97.15", "lat": 43.67, "lon": -97.15, "zip": "", "city": "3 SE Montrose", "date": "2025-11-25", "county": "McCook", "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 18 SD RWIS Montrose.", "sourceDetail": "NWS FSD — Mesonet via Iowa Mesonet", "windSpeedMph": 63, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-11-25-wind-43.26--96.80", "lat": 43.26, "lon": -96.8, "zip": "", "city": "5 SSW Worthing", "date": "2025-11-25", "county": "Lincoln", "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 176 SD RWIS Davis.", "sourceDetail": "NWS FSD — Mesonet via Iowa Mesonet", "windSpeedMph": 59, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-11-25-wind-43.82--96.78", "lat": 43.82, "lon": -96.78, "zip": "", "city": "3 W Dell Rapids", "date": "2025-11-25", "county": "Minnehaha", "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 17 SD RWIS DELL RAPIDS.", "sourceDetail": "NWS FSD — Mesonet via Iowa Mesonet", "windSpeedMph": 58, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-11-25-wind-43.58--96.75", "lat": 43.58, "lon": -96.75, "zip": "", "city": "3 NNW Sioux Falls", "date": "2025-11-25", "county": "Minnehaha", "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 KFSD Sioux Falls Airport.", "sourceDetail": "NWS FSD — ASOS via Iowa Mesonet", "windSpeedMph": 52, "evidenceLevel": "observed" }, { "id": "asos-bf-FSD-2025-11-25", "lat": 43.5769, "lon": -96.7536, "zip": "", "city": "SIOUX FALLS", "date": "2025-11-25", "county": "Minnehaha", "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": "SIOUX FALLS (FSD) recorded a 54 mph gust.", "sourceDetail": "SD_ASOS automated observation — SIOUX FALLS (FSD) [365d backfill 2026-08]", "windSpeedMph": 54, "evidenceLevel": "observed" } ] }