Alert archive / Michigan / Severe Thunderstorm Watches / 2020
Severe Thunderstorm Watches in Michigan, August 2020
3 severe thunderstorm watches in August 2020. 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 severe thunderstorm watches reaches back to 1997.
Severe Thunderstorm Watches by county
Each county as a circle sized by its count in August 2020. Tap one for its archive.
- Severe Thunderstorm Watches
- 3
- Busiest day
- August 10, 20202 severe thunderstorm watches
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 10, 1:58 PM EDT | Severe Thunderstorm Watch | SPC | Alger, Delta, Dickinson, Luce, Menominee, Schoolcraft | 6 hr |
| Aug 10, 4:26 PM EDT | Severe Thunderstorm Watch | SPC | Allegan, Barry, Berrien, Branch, Calhoun, Cass and 14 more | 5 hr |
| Aug 28, 9:57 PM EDT | Severe Thunderstorm Watch | SPC | Allegan, Barry, Calhoun, Clinton, Eaton, Genesee and 12 more | 4 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Allegan County2
- Barry County2
- Calhoun County2
- Clinton County2
- Eaton County2
- Gratiot County2
- Ingham County2
- Ionia County2
- Jackson County2
- Kalamazoo County2
- Kent County2
- Montcalm County2
- Alger County1
- Delta County1
- Dickinson County1
- Luce County1
- Menominee County1
- Schoolcraft County1
- Berrien County1
- Branch County1
- Cass County1
- Hillsdale County1
- Muskegon County1
- Ottawa County1
- Saint Joseph County1
- Van Buren County1
- Genesee County1
- Lenawee County1
- Livingston County1
- Saginaw County1
- Shiawassee County1
- Washtenaw County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20192021
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.