Alert archive / Michigan / Mesoscale Discussions / 2023
Mesoscale Discussions in Michigan, August 2023
14 mesoscale discussions in August 2023. 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 2023. Tap one for its archive.
- Mesoscale Discussions
- 14
- Busiest day
- August 25, 20234 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 3, 5:49 PM EDT | Mesoscale Discussion | SPC | Arenac, Bay, Clare, Clinton, Crawford, Eaton and 31 more | 116 min |
| Aug 11, 3:14 PM EDT | Mesoscale Discussion | SPC | Barry, Branch, Calhoun, Clinton, Eaton, Genesee and 18 more | 2 hr |
| Aug 11, 8:16 PM EDT | Mesoscale Discussion | SPC | Genesee, Jackson, Lapeer, Lenawee, Livingston, Macomb and 6 more | 89 min |
| Aug 16, 8:30 PM EDT | Mesoscale Discussion | SPC | Gogebic | 2 hr |
| Aug 17, 5:41 AM EDT | Mesoscale Discussion | SPC | Allegan, Berrien, Muskegon, Ottawa, Van Buren | 3 hr |
| Aug 22, 7:08 AM EDT | Mesoscale Discussion | SPC | Dickinson, Gogebic, Iron, Menominee, Ontonagon | 2 hr |
| Aug 23, 6:14 AM EDT | Mesoscale Discussion | SPC | Antrim, Bay, Clare, Clinton, Crawford, Eaton and 23 more | 2 hr |
| Aug 24, 12:28 AM EDT | Mesoscale Discussion | SPC | Bay, Clinton, Genesee, Gladwin, Gratiot, Isabella and 10 more | 2 hr |
| Aug 24, 4:03 AM EDT | Mesoscale Discussion | SPC | Branch, Hillsdale, Jackson, Lenawee, Washtenaw | 117 min |
| Aug 24, 4:44 PM EDT | Mesoscale Discussion | SPC | Allegan, Barry, Branch, Calhoun, Cass, Clinton and 18 more | 3 hr |
| Aug 24, 8:08 PM EDT | Mesoscale Discussion | SPC | Allegan, Barry, Bay, Branch, Calhoun, Cass and 27 more | 97 min |
| Aug 24, 9:33 PM EDT | Mesoscale Discussion | SPC | Branch, Hillsdale, Lenawee, Monroe | 87 min |
| Aug 24, 11:42 PM EDT | Mesoscale Discussion | SPC | Lenawee, Monroe | 2 hr |
| Aug 25, 2:32 PM EDT | Mesoscale Discussion | SPC | Delta, Dickinson, Gogebic, Iron, Menominee | 118 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Livingston County7
- Shiawassee County7
- Washtenaw County7
- Lenawee County7
- Clinton County6
- Genesee County6
- Gratiot County6
- Oakland County6
- Monroe County6
- Eaton County5
- Ingham County5
- Ionia County5
- Kent County5
- Lapeer County5
- Montcalm County5
- Saginaw County5
- Branch County5
- Hillsdale County5
- Jackson County5
- Bay County4
- Isabella County4
- Macomb County4
- Midland County4
- Wayne County4
- Gladwin County3
- Mecosta County3
- Muskegon County3
- Newaygo County3
- Tuscola County3
- Barry County3
- Calhoun County3
- Kalamazoo County3
- Saint Joseph County3
- Gogebic County3
- Allegan County3
- Ottawa County3
- Van Buren County3
- Clare County2
- Crawford County2
- Grand Traverse County2
19 more counties
Nearby
Alerts in force nowTornadoes on recordThe radar archive20222024
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.