Alert archive / Michigan / Mesoscale Discussions / 2004

Mesoscale Discussions in Michigan, July 2004

21 mesoscale discussions in July 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 July 2004. Tap one for its archive.

Mesoscale Discussions
21
Busiest day
July 21, 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
Jun 30, 8:39 PM EDTMesoscale DiscussionSPCAlcona, Alpena, Antrim, Arenac, Benzie, Charlevoix and 27 more96 min
Jul 3, 3:44 PM EDTMesoscale DiscussionSPCBerrien2 hr
Jul 3, 7:16 PM EDTMesoscale DiscussionSPCAllegan, Berrien, Branch, Cass, Kalamazoo, Saint Joseph and 1 more119 min
Jul 6, 3:53 PM EDTMesoscale DiscussionSPCBerrien, Branch, Cass, Saint Joseph37 min
Jul 6, 5:34 PM EDTMesoscale DiscussionSPCAllegan, Arenac, Barry, Bay, Branch, Calhoun and 37 more86 min
Jul 6, 9:03 PM EDTMesoscale DiscussionSPCBarry, Berrien, Branch, Calhoun, Cass, Eaton and 15 more57 min
Jul 13, 11:08 AM EDTMesoscale DiscussionSPCAlger, Alpena, Antrim, Benzie, Charlevoix, Cheboygan and 18 more2 hr
Jul 13, 3:10 PM EDTMesoscale DiscussionSPCAntrim, Benzie, Charlevoix, Cheboygan, Chippewa, Delta and 8 more2 hr
Jul 13, 7:08 PM EDTMesoscale DiscussionSPCBarry, Bay, Calhoun, Clare, Clinton, Eaton and 21 more2 hr
Jul 13, 10:01 PM EDTMesoscale DiscussionSPCBerrien, Branch, Calhoun, Cass, Eaton, Genesee and 14 more119 min
Jul 16, 11:51 AM EDTMesoscale DiscussionSPCAllegan, Barry, Berrien, Branch, Calhoun, Cass and 6 more2 hr
Jul 16, 3:45 PM EDTMesoscale DiscussionSPCBerrien, Cass, Van Buren90 min
Jul 21, 10:03 AM EDTMesoscale DiscussionSPCBerrien, Branch, Calhoun, Cass, Kalamazoo, Saint Joseph and 1 more117 min
Jul 21, 11:18 AM EDTMesoscale DiscussionSPCAllegan, Barry, Berrien, Branch, Calhoun, Cass and 16 more87 min
Jul 21, 12:10 PM EDTMesoscale DiscussionSPCAlpena, Antrim, Arenac, Bay, Benzie, Cheboygan and 24 more2 hr
Jul 21, 2:01 PM EDTMesoscale DiscussionSPCBerrien, Van Buren89 min
Jul 21, 6:09 PM EDTMesoscale DiscussionSPCAllegan, Arenac, Barry, Bay, Berrien, Branch and 34 more36 min
Jul 21, 7:20 PM EDTMesoscale DiscussionSPCArenac, Barry, Bay, Berrien, Branch, Calhoun and 26 more25 min
Jul 21, 8:49 PM EDTMesoscale DiscussionSPCBranch, Calhoun, Genesee, Hillsdale, Huron, Ingham and 15 more56 min
Jul 22, 2:52 PM EDTMesoscale DiscussionSPCAllegan, Barry, Berrien, Branch, Calhoun, Cass and 7 more83 min
Jul 22, 7:42 PM EDTMesoscale DiscussionSPCHillsdale, Lenawee, Monroe93 min

By county

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

34 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.