Alert archive / Michigan / Mesoscale Discussions / 2025
Mesoscale Discussions in Michigan, May 2025
6 mesoscale discussions in May 2025. 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 2025. Tap one for its archive.
- Mesoscale Discussions
- 6
- Busiest day
- May 16, 20253 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.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 15, 7:07 PM EDT | Mesoscale Discussion | SPC | Baraga, Delta, Dickinson, Gogebic, Iron, Menominee and 1 more | 83 min |
| May 15, 7:50 PM EDT | Mesoscale Discussion | SPC | Allegan, Barry, Berrien, Branch, Calhoun, Cass and 30 more | 85 min |
| May 15, 10:00 PM EDT | Mesoscale Discussion | SPC | Allegan, Barry, Cass, Ionia, Kalamazoo, Kent and 10 more | 90 min |
| May 15, 10:47 PM EDT | Mesoscale Discussion | SPC | Arenac, Bay, Genesee, Gladwin, Ingham, Iosco and 14 more | 118 min |
| May 16, 3:30 PM EDT | Mesoscale Discussion | SPC | Alger, Delta, Dickinson, Menominee | 2 hr |
| May 16, 8:23 PM EDT | Mesoscale Discussion | SPC | Allegan, Antrim, Arenac, Barry, Bay, Benzie and 32 more | 2 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Allegan County3
- Barry County3
- Gladwin County3
- Ionia County3
- Kent County3
- Lake County3
- Manistee County3
- Mason County3
- Mecosta County3
- Midland County3
- Montcalm County3
- Newaygo County3
- Osceola County3
- Ottawa County3
- Van Buren County3
- Wexford County3
- Delta County2
- Dickinson County2
- Menominee County2
- Cass County2
- Clare County2
- Clinton County2
- Eaton County2
- Grand Traverse County2
- Gratiot County2
- Ingham County2
- Isabella County2
- Kalamazoo County2
- Kalkaska County2
- Missaukee County2
- Muskegon County2
- Oceana County2
- Roscommon County2
- Arenac County2
- Bay County2
- Ogemaw County2
- Oscoda County2
- Saginaw County2
- Shiawassee County2
- Baraga County1
26 more counties
- Gogebic County1
- Iron County1
- Ontonagon County1
- Berrien County1
- Branch County1
- Calhoun County1
- Hillsdale County1
- Jackson County1
- Saint Joseph County1
- Genesee County1
- Iosco County1
- Lapeer County1
- Lenawee County1
- Livingston County1
- Macomb County1
- Monroe County1
- Oakland County1
- Tuscola County1
- Washtenaw County1
- Wayne County1
- Alger County1
- Antrim County1
- Benzie County1
- Crawford County1
- Montmorency County1
- Otsego County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20242026
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.