Alert archive / Michigan / Mesoscale Discussions / 2011
Mesoscale Discussions in Michigan, April 2011
12 mesoscale discussions in April 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 mesoscale discussions reaches back to 2003.
Mesoscale Discussions by county
Each county as a circle sized by its count in April 2011. Tap one for its archive.
- Mesoscale Discussions
- 12
- Busiest day
- April 11, 20113 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 |
|---|---|---|---|---|
| Apr 3, 10:31 PM EDT | Mesoscale Discussion | SPC | Allegan, Barry, Calhoun, Cass, Clare, Clinton and 20 more | 89 min |
| Apr 4, 2:53 AM EDT | Mesoscale Discussion | SPC | Allegan, Barry, Berrien, Calhoun, Cass, Clare and 19 more | 97 min |
| Apr 10, 5:51 PM EDT | Mesoscale Discussion | SPC | Antrim, Arenac, Benzie, Crawford, Gladwin, Grand Traverse and 7 more | 84 min |
| Apr 10, 7:02 PM EDT | Mesoscale Discussion | SPC | Alger, Baraga, Delta, Dickinson, Gogebic, Houghton and 6 more | 88 min |
| Apr 10, 9:55 PM EDT | Mesoscale Discussion | SPC | Alger, Alpena, Antrim, Benzie, Charlevoix, Cheboygan and 26 more | 95 min |
| Apr 11, 12:03 AM EDT | Mesoscale Discussion | SPC | Allegan, Barry, Berrien, Calhoun, Cass, Clinton and 12 more | 87 min |
| Apr 11, 1:48 AM EDT | Mesoscale Discussion | SPC | Branch, Hillsdale, Lenawee, Saint Joseph | 87 min |
| Apr 19, 5:52 PM EDT | Mesoscale Discussion | SPC | Antrim, Benzie, Charlevoix, Cheboygan, Crawford, Delta and 12 more | 4 hr |
| Apr 26, 1:26 PM EDT | Mesoscale Discussion | SPC | Barry, Branch, Calhoun, Cass, Clinton, Eaton and 13 more | 94 min |
| Apr 26, 4:53 PM EDT | Mesoscale Discussion | SPC | Allegan, Barry, Berrien, Branch, Calhoun, Cass and 7 more | 67 min |
| Apr 26, 8:33 PM EDT | Mesoscale Discussion | SPC | Arenac, Barry, Bay, Branch, Calhoun, Clare and 31 more | 57 min |
| Apr 28, 12:51 AM EDT | Mesoscale Discussion | SPC | Lenawee, Monroe, Oakland, Washtenaw, Wayne | 54 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Barry County6
- Calhoun County6
- Clinton County6
- Eaton County6
- Ionia County6
- Kalamazoo County6
- Kent County6
- Saint Joseph County6
- Cass County5
- Allegan County4
- Clare County4
- Gratiot County4
- Ingham County4
- Isabella County4
- Mecosta County4
- Montcalm County4
- Newaygo County4
- Osceola County4
- Van Buren County4
- Branch County4
- Lenawee County4
- Manistee County3
- Midland County3
- Oceana County3
- Ottawa County3
- Berrien County3
- Gladwin County3
- Jackson County3
- Antrim County3
- Benzie County3
- Crawford County3
- Grand Traverse County3
- Kalkaska County3
- Missaukee County3
- Oscoda County3
- Otsego County3
- Wexford County3
- Delta County3
- Menominee County3
- Hillsdale County3
40 more counties
- Monroe County3
- Oakland County3
- Washtenaw County3
- Lake County2
- Mason County2
- Muskegon County2
- Arenac County2
- Ogemaw County2
- Roscommon County2
- Alger County2
- Dickinson County2
- Marquette County2
- Schoolcraft County2
- Charlevoix County2
- Cheboygan County2
- Emmet County2
- Leelanau County2
- Montmorency County2
- Livingston County2
- Shiawassee County2
- Wayne County2
- Baraga County1
- Gogebic County1
- Houghton County1
- Iron County1
- Keweenaw County1
- Ontonagon County1
- Alpena County1
- Chippewa County1
- Luce County1
- Mackinac County1
- Presque Isle County1
- Bay County1
- Genesee County1
- Huron County1
- Lapeer County1
- Macomb County1
- Saginaw County1
- Sanilac County1
- Tuscola 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.