Alert archive / Michigan / Severe Thunderstorm Watches

Severe Thunderstorm Watches in Michigan, 2018

8 severe thunderstorm watches in 2018. 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 in 2018. Tap one for its archive.

Severe Thunderstorm Watches
8
Busiest month
June3 severe thunderstorm watches
Busiest day
June 17, 20181 severe thunderstorm watches

Over time

By month

The alerts

Every alert, in the order issued. Times are local, Eastern Time. Each opens its own page with the text, the map, the radar and the sounding.

IssuedProductOfficeCountiesLasted
Jun 17, 4:46 PM EDTSevere Thunderstorm WatchSPCBaraga, Dickinson, Gogebic, Houghton, Iron, Marquette and 2 more8 hr
Jun 29, 10:45 AM EDTSevere Thunderstorm WatchSPCBaraga, Houghton, Keweenaw, Marquette, Ontonagon3 hr
Jun 30, 5:41 PM EDTSevere Thunderstorm WatchSPCAlger, Baraga, Delta, Dickinson, Gogebic, Houghton and 5 more6 hr
Jul 1, 6:35 PM EDTSevere Thunderstorm WatchSPCAllegan, Antrim, Barry, Benzie, Charlevoix, Cheboygan and 22 more3 hr
Aug 6, 1:47 PM EDTSevere Thunderstorm WatchSPCBranch, Hillsdale, Ingham, Jackson, Lenawee, Livingston and 6 more5 hr
Aug 27, 7:01 PM EDTSevere Thunderstorm WatchSPCAlger, Baraga, Delta, Dickinson, Gogebic, Houghton and 7 more7 hr
Aug 28, 6:23 PM EDTSevere Thunderstorm WatchSPCAlcona, Allegan, Alpena, Antrim, Arenac, Barry and 43 more7 hr
Sep 25, 8:45 PM EDTSevere Thunderstorm WatchSPCBarry, Branch, Calhoun, Cass, Eaton, Hillsdale and 4 more87 min

By county

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

41 more counties

The busiest days

Days with the most alerts issued, by UTC date.

Nearby

Alerts in force nowTornadoes on recordThe radar archive20172019

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.