Alert archive / Michigan / Mesoscale Discussions / 2018

Mesoscale Discussions in Michigan, May 2018

7 mesoscale discussions in May 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 mesoscale discussions reaches back to 2003.

Mesoscale Discussions by county

Each county as a circle sized by its count in May 2018. Tap one for its archive.

Mesoscale Discussions
7
Busiest day
May 14, 20182 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
May 2, 6:29 PM EDTMesoscale DiscussionSPCAllegan, Barry, Berrien, Cass, Kalamazoo, Saint Joseph and 1 more91 min
May 14, 3:40 AM EDTMesoscale DiscussionSPCAllegan, Berrien, Cass, Saint Joseph, Van Buren2 hr
May 14, 7:36 PM EDTMesoscale DiscussionSPCBerrien, Cass, Van Buren84 min
May 26, 12:43 PM EDTMesoscale DiscussionSPCAlger, Baraga, Delta, Dickinson, Iron, Marquette and 1 more3 hr
May 27, 3:12 PM EDTMesoscale DiscussionSPCAlcona, Alpena, Arenac, Bay, Clare, Clinton and 16 more3 hr
May 30, 4:35 PM EDTMesoscale DiscussionSPCBarry, Branch, Calhoun, Eaton, Hillsdale, Ingham and 7 more115 min
May 31, 3:00 PM EDTMesoscale DiscussionSPCBranch, Saint Joseph90 min

By county

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

7 more counties

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.