Alert archive / Michigan / Severe Thunderstorm Watches
Severe Thunderstorm Watches in Michigan, 2020
20 severe thunderstorm watches in 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 2020. Tap one for its archive.
- Severe Thunderstorm Watches
- 20
- Busiest month
- June6 severe thunderstorm watches
- Busiest day
- June 10, 20203 severe thunderstorm watches
Over time
By month
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 |
|---|---|---|---|---|
| Apr 7, 4:55 PM EDT | Severe Thunderstorm Watch | SPC | Allegan, Antrim, Barry, Benzie, Calhoun, Clare and 25 more | 5 hr |
| Apr 7, 7:18 PM EDT | Severe Thunderstorm Watch | SPC | Bay, Genesee, Lapeer, Lenawee, Livingston, Macomb and 9 more | 4 hr |
| Apr 7, 9:07 PM EDT | Severe Thunderstorm Watch | SPC | Berrien, Branch, Cass, Hillsdale, Saint Joseph | 6 hr |
| Jun 2, 10:50 PM EDT | Severe Thunderstorm Watch | SPC | Allegan, Barry, Calhoun, Clare, Clinton, Eaton and 17 more | 3 hr |
| Jun 10, 10:59 AM EDT | Severe Thunderstorm Watch | SPC | Allegan, Barry, Calhoun, Clare, Clinton, Eaton and 14 more | 6 hr |
| Jun 10, 11:54 AM EDT | Severe Thunderstorm Watch | SPC | Berrien, Branch, Cass, Hillsdale, Saint Joseph | 6 hr |
| Jun 10, 12:41 PM EDT | Severe Thunderstorm Watch | SPC | Alcona, Alpena, Arenac, Bay, Genesee, Gladwin and 19 more | 7 hr |
| Jun 21, 4:55 PM EDT | Severe Thunderstorm Watch | SPC | Gogebic, Houghton, Iron, Ontonagon | 6 hr |
| Jun 26, 7:57 PM EDT | Severe Thunderstorm Watch | SPC | Allegan, Barry, Berrien, Branch, Calhoun, Cass and 19 more | 7 hr |
| Jul 17, 11:25 PM EDT | Severe Thunderstorm Watch | SPC | Gogebic, Ontonagon | 8 hr |
| Jul 18, 10:44 PM EDT | Severe Thunderstorm Watch | SPC | Alger, Baraga, Delta, Dickinson, Gogebic, Houghton and 6 more | 7 hr |
| Jul 19, 11:32 AM EDT | Severe Thunderstorm Watch | SPC | Berrien, Branch, Cass, Hillsdale, Saint Joseph | 5 hr |
| 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 |
| Sep 6, 9:38 PM EDT | Severe Thunderstorm Watch | SPC | Allegan, Arenac, Bay, Benzie, Clare, Clinton and 27 more | 5 hr |
| Sep 25, 7:01 PM EDT | Severe Thunderstorm Watch | SPC | Gogebic, Houghton, Keweenaw, Ontonagon | 4 hr |
| Sep 26, 6:50 PM EDT | Severe Thunderstorm Watch | SPC | Baraga, Delta, Dickinson, Gogebic, Iron, Marquette and 2 more | 3 hr |
| Oct 23, 1:56 PM EDT | Severe Thunderstorm Watch | SPC | Genesee, Huron, Lapeer, Lenawee, Livingston, Macomb and 7 more | 7 hr |
| Nov 10, 7:33 PM EST | Severe Thunderstorm Watch | SPC | Allegan, Barry, Berrien, Calhoun, Cass, Clare and 15 more | 4 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Allegan County8
- Clinton County8
- Ionia County8
- Kent County8
- Barry County7
- Calhoun County7
- Eaton County7
- Gratiot County7
- Kalamazoo County7
- Montcalm County7
- Ottawa County7
- Ingham County6
- Jackson County6
- Van Buren County6
- Berrien County6
- Cass County6
- Saint Joseph County6
- Clare County5
- Isabella County5
- Mecosta County5
- Muskegon County5
- Newaygo County5
- Osceola County5
- Lenawee County5
- Livingston County5
- Washtenaw County5
- Branch County5
- Hillsdale County5
- Gogebic County5
- Ontonagon County5
- Lake County4
- Genesee County4
- Macomb County4
- Monroe County4
- Oakland County4
- Saginaw County4
- Saint Clair County4
- Tuscola County4
- Wayne County4
- Mason County3
35 more counties
- Oceana County3
- Bay County3
- Lapeer County3
- Midland County3
- Shiawassee County3
- Huron County3
- Houghton County3
- Iron County3
- Delta County3
- Dickinson County3
- Menominee County3
- Benzie County2
- Grand Traverse County2
- Kalkaska County2
- Manistee County2
- Missaukee County2
- Wexford County2
- Arenac County2
- Gladwin County2
- Iosco County2
- Ogemaw County2
- Roscommon County2
- Sanilac County2
- Alger County2
- Baraga County2
- Keweenaw County2
- Marquette County2
- Schoolcraft County2
- Antrim County1
- Leelanau County1
- Alcona County1
- Alpena County1
- Oscoda County1
- Luce County1
- Crawford County1
The busiest days
Days with the most alerts issued, by UTC date.
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.