Alert archive / Michigan / Mesoscale Discussions / 2007

Mesoscale Discussions in Michigan, August 2007

20 mesoscale discussions in August 2007. 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 2007. Tap one for its archive.

Mesoscale Discussions
20
Busiest day
August 23, 20075 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, 3:14 PM EDTMesoscale DiscussionSPCAlpena, Crawford, Kalkaska, Montmorency, Oscoda, Otsego and 1 more91 min
Aug 7, 5:47 AM EDTMesoscale DiscussionSPCAllegan, Barry, Branch, Calhoun, Cass, Eaton and 9 more118 min
Aug 7, 5:37 PM EDTMesoscale DiscussionSPCBarry, Branch, Calhoun, Cass, Eaton, Hillsdale and 9 more53 min
Aug 9, 5:25 AM EDTMesoscale DiscussionSPCBerrien, Cass95 min
Aug 12, 4:23 AM EDTMesoscale DiscussionSPCAllegan, Barry, Calhoun, Cass, Clare, Eaton and 18 more67 min
Aug 22, 5:53 AM EDTMesoscale DiscussionSPCAllegan, Barry, Berrien, Branch, Calhoun, Cass and 11 more67 min
Aug 22, 3:04 PM EDTMesoscale DiscussionSPCBranch, Hillsdale, Lenawee, Saint Joseph2 hr
Aug 22, 7:51 PM EDTMesoscale DiscussionSPCAllegan, Barry, Bay, Calhoun, Clinton, Eaton and 19 more114 min
Aug 22, 8:21 PM EDTMesoscale DiscussionSPCBerrien2 hr
Aug 23, 12:01 AM EDTMesoscale DiscussionSPCClinton, Eaton, Genesee, Gratiot, Ingham, Lapeer and 8 more59 min
Aug 23, 2:48 AM EDTMesoscale DiscussionSPCBarry, Branch, Calhoun, Clinton, Eaton, Genesee and 15 more27 min
Aug 23, 3:07 PM EDTMesoscale DiscussionSPCAllegan, Arenac, Barry, Bay, Berrien, Branch and 39 more83 min
Aug 23, 6:38 PM EDTMesoscale DiscussionSPCAllegan, Arenac, Barry, Bay, Berrien, Branch and 34 more97 min
Aug 23, 8:30 PM EDTMesoscale DiscussionSPCAllegan, Barry, Bay, Branch, Calhoun, Cass and 25 more90 min
Aug 24, 3:44 PM EDTMesoscale DiscussionSPCBranch, Hillsdale, Jackson, Lenawee, Saint Joseph91 min
Aug 24, 6:50 PM EDTMesoscale DiscussionSPCBranch, Hillsdale, Jackson, Lapeer, Lenawee, Livingston and 8 more85 min
Aug 28, 9:40 AM EDTMesoscale DiscussionSPCAlcona, Alpena, Antrim, Benzie, Cheboygan, Crawford and 7 more35 min
Aug 28, 4:24 PM EDTMesoscale DiscussionSPCDelta, Dickinson, Iron, Menominee, Schoolcraft66 min
Aug 29, 2:23 PM EDTMesoscale DiscussionSPCBarry, Bay, Branch, Calhoun, Cass, Clinton and 21 more67 min
Aug 29, 7:28 PM EDTMesoscale DiscussionSPCLapeer, Macomb, Monroe, Oakland, Saint Clair, Sanilac and 2 more92 min

By county

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

27 more counties

Nearby

Alerts in force nowTornadoes on recordThe radar archive20062008

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.