Alert archive / Michigan

Severe Thunderstorm Watches in Michigan

649 severe thunderstorm watches since 1986. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of severe thunderstorm watches reaches back to 1997.

Severe Thunderstorm Watches by county

Each county as a circle sized by its count since 1986. Tap one for its archive.

Severe Thunderstorm Watches
649
Busiest year
200444 severe thunderstorm watches
Average year
22over 30 years on file

Over time

By year

Watches are counted from 1997, when the Storm Prediction Center archive begins.

By month of the year

By county

Every county with at least one alert. A county page lists each alert that covered it.

43 more counties

The latest severe thunderstorm watches

The most recent on file, newest first.

IssuedProductOfficeCountiesLasted
Sep 3, 1:59 PM EDTSevere Thunderstorm WatchSPCBay, Calhoun, Clinton, Eaton, Genesee, Gratiot and 17 more3 hr
Aug 11, 11:01 AM EDTSevere Thunderstorm WatchSPCBerrien, Branch, Cass, Hillsdale, Saint Joseph10 hr
Aug 10, 7:21 PM EDTSevere Thunderstorm WatchSPCBerrien, Branch, Cass, Hillsdale, Saint Joseph7 hr
Aug 9, 1:03 PM EDTSevere Thunderstorm WatchSPCAllegan, Barry, Berrien, Branch, Calhoun, Cass and 12 more8 hr
Aug 7, 4:50 PM EDTSevere Thunderstorm WatchSPCAlger, Baraga, Delta, Dickinson, Gogebic, Houghton and 6 more5 hr
Jul 27, 12:42 PM EDTSevere Thunderstorm WatchSPCAllegan, Barry, Berrien, Branch, Calhoun, Cass and 22 more7 hr
Jul 27, 2:30 AM EDTSevere Thunderstorm WatchSPCGogebic, Ontonagon8 hr
Jul 20, 7:48 PM EDTSevere Thunderstorm WatchSPCAntrim, Benzie, Charlevoix, Cheboygan, Clare, Crawford and 14 more6 hr
Jul 18, 1:20 PM EDTSevere Thunderstorm WatchSPCBranch, Calhoun, Eaton, Genesee, Hillsdale, Ingham and 14 more5 hr
Jul 3, 2:35 PM EDTSevere Thunderstorm WatchSPCAllegan, Barry, Berrien, Branch, Calhoun, Cass and 22 more7 hr
Jul 1, 10:11 AM EDTSevere Thunderstorm WatchSPCAlcona, Alpena, Antrim, Arenac, Benzie, Charlevoix and 21 more6 hr
Jun 30, 9:38 AM EDTSevere Thunderstorm WatchSPCMenominee3 hr

Nearby

Alerts in force nowTornadoes on recordThe radar archive

Sources

National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Warning verification from the Mesonet's Cow. Rebuilt daily.