Alert archive / Michigan / Mesoscale Discussions / 2026
Mesoscale Discussions in Michigan, August 2026
11 mesoscale discussions in August 2026. 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 2026. Tap one for its archive.
- Mesoscale Discussions
- 11
- Busiest day
- August 9, 20264 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 |
|---|---|---|---|---|
| Aug 7, 4:11 PM EDT | Mesoscale Discussion | SPC | Baraga, Dickinson, Gogebic, Houghton, Iron, Keweenaw and 3 more | 2 hr |
| Aug 7, 6:53 PM EDT | Mesoscale Discussion | SPC | Alger, Baraga, Delta, Dickinson, Gogebic, Houghton and 5 more | 2 hr |
| Aug 9, 12:24 PM EDT | Mesoscale Discussion | SPC | Allegan, Berrien, Cass, Kalamazoo, Saint Joseph, Van Buren | 96 min |
| Aug 9, 2:57 PM EDT | Mesoscale Discussion | SPC | Allegan, Berrien, Cass, Van Buren | 93 min |
| Aug 9, 4:39 PM EDT | Mesoscale Discussion | SPC | Lenawee, Monroe, Washtenaw | 2 hr |
| Aug 9, 4:49 PM EDT | Mesoscale Discussion | SPC | Berrien | 86 min |
| Aug 10, 6:15 PM EDT | Mesoscale Discussion | SPC | Berrien | 2 hr |
| Aug 11, 12:42 PM EDT | Mesoscale Discussion | SPC | Berrien | 2 hr |
| Aug 12, 3:28 PM EDT | Mesoscale Discussion | SPC | Bay, Clare, Genesee, Gladwin, Isabella, Lapeer and 8 more | 2 hr |
| Aug 18, 5:52 PM EDT | Mesoscale Discussion | SPC | Alcona, Alpena, Antrim, Arenac, Bay, Benzie and 29 more | 113 min |
| Aug 26, 1:22 PM EDT | Mesoscale Discussion | SPC | Berrien, Branch, Calhoun, Cass, Eaton, Hillsdale and 8 more | 113 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Berrien County6
- Cass County3
- Baraga County2
- Dickinson County2
- Gogebic County2
- Houghton County2
- Iron County2
- Keweenaw County2
- Marquette County2
- Menominee County2
- Ontonagon County2
- Allegan County2
- Kalamazoo County2
- Saint Joseph County2
- Van Buren County2
- Lenawee County2
- Monroe County2
- Washtenaw County2
- Bay County2
- Clare County2
- Gladwin County2
- Isabella County2
- Mecosta County2
- Midland County2
- Osceola County2
- Tuscola County2
- Alger County1
- Delta County1
- Genesee County1
- Lapeer County1
- Macomb County1
- Saginaw County1
- Saint Clair County1
- Sanilac County1
- Alcona County1
- Alpena County1
- Antrim County1
- Arenac County1
- Benzie County1
- Charlevoix County1
28 more counties
- Cheboygan County1
- Crawford County1
- Emmet County1
- Grand Traverse County1
- Huron County1
- Iosco County1
- Kalkaska County1
- Lake County1
- Leelanau County1
- Manistee County1
- Mason County1
- Missaukee County1
- Montmorency County1
- Newaygo County1
- Oceana County1
- Ogemaw County1
- Oscoda County1
- Otsego County1
- Presque Isle County1
- Roscommon County1
- Wexford County1
- Branch County1
- Calhoun County1
- Eaton County1
- Hillsdale County1
- Ingham County1
- Jackson County1
- Livingston County1
Nearby
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.