An isolated severe thunderstorm along a cold front produced damaging wind gusts across portions of Ingham county resulting in several downed trees, tree limbs, and some power outages. The rest of southwestern and south central lower Michigan had sub severe convective and non convective wind gusts.
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Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS GRR wrote it up.
An isolated severe thunderstorm along a cold front produced damaging wind gusts across portions of Ingham county resulting in several downed trees, tree limbs, and some power outages. The rest of southwestern and south central lower Michigan had sub severe convective and non convective wind gusts.
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Grand Rapids, MI wrote its last area forecast discussion before the first event at Oct 7, 6:25 PM EST, 1 hour 55 minutes earlier.
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</html>HAZARDOUS WEATHER OUTLOOK National Weather Service Grand Rapids MI 1142 AM EDT Sat Oct 7 2017 MIZ037>040-043>046-050>052-056>059-064>067-071>074-080845- Mason-Lake-Osceola-Clare-Oceana-Newaygo-Mecosta-Isabella-Muskegon- Montcalm-Gratiot-Ottawa-Kent-Ionia-Clinton-Allegan-Barry-Eaton- Ingham-Van Buren-Kalamazoo-Calhoun-Jackson- 1142 AM EDT Sat Oct 7 2017 This hazardous weather outlook is for portions of southwest Lower Michigan. .DAY ONE...This afternoon and Tonight Wind gusts near 40 mph are possible this afternoon. A fast moving narrow band of heavy rainshowers or thunderstorms this evening could produce wind gusts of 40 to 60 mph. Downed limbs and scattered power outages may occur. A brief tornado is possible too, mainly south of I-96 and east of US-131. .DAYS TWO THROUGH SEVEN...Sunday through Friday No hazardous weather is expected at this time. .SPOTTER INFORMATION STATEMENT... Spotter activation may be needed this evening. LMZ844>849-080845- St Joseph to South Haven MI-South Haven to Holland MI- Holland to Grand Haven MI-Grand Haven to Whitehall MI- Whitehall to Pentwater MI-Pentwater to Manistee MI- 1142 AM EDT Sat Oct 7 2017 This hazardous weather outlook is for portions of southwest Lower Michigan. .DAY ONE...This afternoon and Tonight Winds and waves will be hazardous to small craft today and tonight. Gale warnings are in effect. A line of heavy rainshowers or thunderstorms is expected to cross Lake Michigan early this evening and could produce winds up to 50 knots. .DAYS TWO THROUGH SEVEN...Sunday through Friday Winds and waves will remain hazardous to small craft Sunday morning before gradually subsiding Sunday afternoon. .SPOTTER INFORMATION STATEMENT... Spotter activation may be needed this afternoon. Meade 93
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</html>The Detroit radar (KDTX), 83 km away, was scanning. The volume nearest the first event began at 01:17 UTC.
1 thunderstorm wind. Local standard time, as filed.
Several trees and limbs were blown down and several power outages were reported near Holt and Haslett.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Michigan in 2017Every state in 2017This day in weather historyWarnings in Michigan, October 2017
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 724753.