Alert archive / Michigan / Mesoscale Discussions / 2004

Mesoscale Discussions in Michigan, August 2004

23 mesoscale discussions in August 2004. 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 mesoscale discussions reaches back to 2003.

Mesoscale Discussions by county

Each county as a circle sized by its count in August 2004. Tap one for its archive.

Mesoscale Discussions
23
Busiest day
August 18, 20046 mesoscale discussions

Over time

By day

Days in UTC, the clock the archive keeps.

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
Aug 2, 12:11 PM EDTMesoscale DiscussionSPCBerrien2 hr
Aug 2, 12:44 PM EDTMesoscale DiscussionSPCAlger, Delta, Dickinson, Iron, Luce, Mackinac and 2 more2 hr
Aug 2, 1:31 PM EDTMesoscale DiscussionSPCAllegan, Antrim, Arenac, Barry, Bay, Benzie and 44 more119 min
Aug 2, 5:32 PM EDTMesoscale DiscussionSPCAlcona, Alpena, Arenac, Barry, Bay, Calhoun and 34 more88 min
Aug 4, 12:47 AM EDTMesoscale DiscussionSPCCass, Saint Joseph58 min
Aug 4, 2:15 AM EDTMesoscale DiscussionSPCBranch, Calhoun, Cass, Hillsdale, Jackson, Kalamazoo and 4 more90 min
Aug 9, 11:53 AM EDTMesoscale DiscussionSPCBaraga, Dickinson, Iron, Marquette, Menominee97 min
Aug 9, 4:32 PM EDTMesoscale DiscussionSPCAlger, Baraga, Charlevoix, Delta, Dickinson, Emmet and 7 more88 min
Aug 9, 10:14 PM EDTMesoscale DiscussionSPCAllegan, Alpena, Antrim, Arenac, Barry, Bay and 41 more61 min
Aug 17, 4:59 PM EDTMesoscale DiscussionSPCAllegan, Barry, Berrien, Branch, Calhoun, Cass and 5 more61 min
Aug 17, 8:48 PM EDTMesoscale DiscussionSPCBerrien, Branch, Calhoun, Cass, Hillsdale, Jackson and 8 more117 min
Aug 18, 1:27 PM EDTMesoscale DiscussionSPCAlger, Baraga, Delta, Dickinson, Gogebic, Houghton and 6 more63 min
Aug 18, 4:03 PM EDTMesoscale DiscussionSPCMonroe, Wayne57 min
Aug 18, 4:46 PM EDTMesoscale DiscussionSPCAlger, Antrim, Benzie, Charlevoix, Cheboygan, Chippewa and 19 more59 min
Aug 18, 6:52 PM EDTMesoscale DiscussionSPCLuce113 min
Aug 18, 7:41 PM EDTMesoscale DiscussionSPCAlcona, Alpena, Antrim, Arenac, Bay, Cheboygan and 23 more94 min
Aug 25, 4:38 PM EDTMesoscale DiscussionSPCAllegan, Barry, Berrien, Branch, Calhoun, Cass and 11 more2 hr
Aug 25, 7:01 PM EDTMesoscale DiscussionSPCBarry, Branch, Calhoun, Clinton, Eaton, Genesee and 12 more89 min
Aug 26, 5:38 PM EDTMesoscale DiscussionSPCDelta, Dickinson, Gogebic, Iron, Menominee97 min
Aug 27, 2:39 AM EDTMesoscale DiscussionSPCAntrim, Arenac, Benzie, Cheboygan, Clare, Crawford and 15 more66 min
Aug 27, 5:36 AM EDTMesoscale DiscussionSPCAllegan, Arenac, Barry, Bay, Berrien, Branch and 36 more84 min
Aug 27, 7:33 AM EDTMesoscale DiscussionSPCArenac, Bay, Branch, Calhoun, Clinton, Eaton and 17 more27 min
Aug 27, 1:39 PM EDTMesoscale DiscussionSPCBarry, Bay, Calhoun, Clinton, Eaton, Genesee and 23 more2 hr

By county

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

43 more counties

Nearby

Alerts in force nowTornadoes on recordThe radar archive20032005

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.