Alert archive / Michigan / Severe Thunderstorm Watches / 2011
Severe Thunderstorm Watches in Michigan, May 2011
6 severe thunderstorm watches in May 2011. 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 May 2011. Tap one for its archive.
- Severe Thunderstorm Watches
- 6
- Busiest day
- May 22, 20112 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 |
|---|---|---|---|---|
| May 11, 6:56 PM EDT | Severe Thunderstorm Watch | SPC | Allegan, Barry, Berrien, Branch, Calhoun, Cass and 3 more | 5 hr |
| May 22, 3:41 PM EDT | Severe Thunderstorm Watch | SPC | Bay, Genesee, Huron, Lapeer, Lenawee, Livingston and 11 more | 3 hr |
| May 22, 5:32 PM EDT | Severe Thunderstorm Watch | SPC | Allegan, Barry, Berrien, Branch, Calhoun, Cass and 12 more | 7 hr |
| May 23, 2:15 PM EDT | Severe Thunderstorm Watch | SPC | Branch, Calhoun, Genesee, Hillsdale, Huron, Ingham and 13 more | 8 hr |
| May 31, 1:56 PM EDT | Severe Thunderstorm Watch | SPC | Alcona, Alger, Alpena, Antrim, Arenac, Baraga and 30 more | 8 hr |
| May 31, 3:33 PM EDT | Severe Thunderstorm Watch | SPC | Allegan, Barry, Bay, Berrien, Branch, Calhoun and 39 more | 7 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Branch County4
- Calhoun County4
- Saint Joseph County4
- Allegan County3
- Barry County3
- Berrien County3
- Cass County3
- Kalamazoo County3
- Van Buren County3
- Genesee County3
- Huron County3
- Lapeer County3
- Lenawee County3
- Livingston County3
- Macomb County3
- Monroe County3
- Oakland County3
- Saint Clair County3
- Sanilac County3
- Tuscola County3
- Washtenaw County3
- Wayne County3
- Hillsdale County3
- Ingham County3
- Jackson County3
- Bay County2
- Midland County2
- Saginaw County2
- Shiawassee County2
- Clinton County2
- Eaton County2
- Ionia County2
- Kent County2
- Muskegon County2
- Ottawa County2
- Alcona County1
- Alger County1
- Alpena County1
- Antrim County1
- Arenac County1
41 more counties
- Baraga County1
- Benzie County1
- Charlevoix County1
- Cheboygan County1
- Chippewa County1
- Crawford County1
- Delta County1
- Dickinson County1
- Emmet County1
- Gladwin County1
- Grand Traverse County1
- Houghton County1
- Iosco County1
- Iron County1
- Kalkaska County1
- Keweenaw County1
- Leelanau County1
- Luce County1
- Mackinac County1
- Manistee County1
- Marquette County1
- Menominee County1
- Missaukee County1
- Montmorency County1
- Ogemaw County1
- Oscoda County1
- Otsego County1
- Presque Isle County1
- Roscommon County1
- Schoolcraft County1
- Wexford County1
- Clare County1
- Gratiot County1
- Isabella County1
- Lake County1
- Mason County1
- Mecosta County1
- Montcalm County1
- Newaygo County1
- Oceana County1
- Osceola County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20102012
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.