Alert archive / Michigan / Mesoscale Discussions / 2011
Mesoscale Discussions in Michigan, May 2011
24 mesoscale discussions 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 mesoscale discussions reaches back to 2003.
Mesoscale Discussions by county
Each county as a circle sized by its count in May 2011. Tap one for its archive.
- Mesoscale Discussions
- 24
- Busiest day
- May 23, 20117 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 |
|---|---|---|---|---|
| May 11, 4:19 AM EDT | Mesoscale Discussion | SPC | Delta, Dickinson, Iron, Marquette, Menominee | 56 min |
| May 11, 2:16 PM EDT | Mesoscale Discussion | SPC | Arenac, Bay, Benzie, Clare, Crawford, Gladwin and 14 more | 119 min |
| May 11, 6:40 PM EDT | Mesoscale Discussion | SPC | Allegan, Berrien, Cass, Saint Joseph, Van Buren | 65 min |
| May 11, 11:00 PM EDT | Mesoscale Discussion | SPC | Allegan, Barry, Branch, Calhoun, Cass, Eaton and 4 more | 60 min |
| May 22, 3:15 PM EDT | Mesoscale Discussion | SPC | Alcona, Alpena, Arenac, Bay, Clinton, Genesee and 25 more | 60 min |
| May 22, 5:16 PM EDT | Mesoscale Discussion | SPC | Allegan, Barry, Berrien, Branch, Calhoun, Cass and 9 more | 119 min |
| May 22, 8:09 PM EDT | Mesoscale Discussion | SPC | Antrim, Crawford, Grand Traverse, Kalkaska, Lake, Missaukee and 3 more | 96 min |
| May 22, 8:20 PM EDT | Mesoscale Discussion | SPC | Allegan, Barry, Berrien, Branch, Calhoun, Cass and 17 more | 115 min |
| May 22, 8:42 PM EDT | Mesoscale Discussion | SPC | Dickinson, Iron | 63 min |
| May 22, 10:59 PM EDT | Mesoscale Discussion | SPC | Allegan, Barry, Berrien, Branch, Calhoun, Cass and 5 more | 61 min |
| May 23, 8:25 AM EDT | Mesoscale Discussion | SPC | Lenawee, Monroe, Washtenaw, Wayne | 65 min |
| May 23, 12:35 PM EDT | Mesoscale Discussion | SPC | Arenac, Bay, Branch, Calhoun, Clinton, Eaton and 21 more | 85 min |
| May 23, 6:40 PM EDT | Mesoscale Discussion | SPC | Hillsdale, Jackson, Lenawee, Livingston, Macomb, Monroe and 4 more | 65 min |
| May 25, 1:26 PM EDT | Mesoscale Discussion | SPC | Hillsdale, Lenawee, Monroe | 94 min |
| May 25, 4:45 PM EDT | Mesoscale Discussion | SPC | Monroe | 60 min |
| May 26, 2:37 AM EDT | Mesoscale Discussion | SPC | Monroe | 83 min |
| May 29, 9:39 AM EDT | Mesoscale Discussion | SPC | Allegan, Berrien, Cass, Van Buren | 66 min |
| May 29, 12:59 PM EDT | Mesoscale Discussion | SPC | Allegan, Berrien, Branch, Calhoun, Cass, Eaton and 11 more | 61 min |
| May 29, 4:17 PM EDT | Mesoscale Discussion | SPC | Branch, Calhoun, Eaton, Hillsdale, Ingham, Jackson and 11 more | 88 min |
| May 29, 6:51 PM EDT | Mesoscale Discussion | SPC | Genesee, Lapeer, Lenawee, Livingston, Macomb, Monroe and 8 more | 54 min |
| May 30, 3:10 PM EDT | Mesoscale Discussion | SPC | Baraga, Dickinson, Gogebic, Iron, Ontonagon | 95 min |
| May 31, 1:00 PM EDT | Mesoscale Discussion | SPC | Alger, Alpena, Antrim, Baraga, Benzie, Charlevoix and 35 more | 3 hr |
| May 31, 1:59 PM EDT | Mesoscale Discussion | SPC | Allegan, Barry, Berrien, Branch, Calhoun, Cass and 10 more | 3 hr |
| May 31, 7:26 PM EDT | Mesoscale Discussion | SPC | Alcona, Allegan, Alpena, Antrim, Arenac, Barry and 62 more | 2 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Lenawee County11
- Monroe County11
- Saint Joseph County10
- Hillsdale County10
- Washtenaw County10
- Allegan County9
- Cass County9
- Van Buren County9
- Branch County9
- Calhoun County9
- Kalamazoo County9
- Jackson County9
- Berrien County8
- Eaton County8
- Ingham County8
- Livingston County8
- Wayne County8
- Barry County6
- Macomb County6
- Oakland County6
- Saint Clair County6
- Shiawassee County6
- Tuscola County5
- Clinton County5
- Dickinson County4
- Iron County4
- Arenac County4
- Bay County4
- Crawford County4
- Gladwin County4
- Grand Traverse County4
- Kalkaska County4
- Lake County4
- Missaukee County4
- Ogemaw County4
- Osceola County4
- Wexford County4
- Kent County4
- Genesee County4
- Gratiot County4
42 more counties
- Lapeer County4
- Saginaw County4
- Sanilac County4
- Ionia County4
- Benzie County3
- Clare County3
- Manistee County3
- Mason County3
- Mecosta County3
- Midland County3
- Roscommon County3
- Alpena County3
- Huron County3
- Montmorency County3
- Oscoda County3
- Presque Isle County3
- Antrim County3
- Otsego County3
- Delta County2
- Marquette County2
- Menominee County2
- Isabella County2
- Alcona County2
- Iosco County2
- Montcalm County2
- Muskegon County2
- Ottawa County2
- Baraga County2
- Gogebic County2
- Ontonagon County2
- Charlevoix County2
- Cheboygan County2
- Chippewa County2
- Emmet County2
- Newaygo County2
- Oceana County2
- Alger County1
- Houghton County1
- Leelanau County1
- Luce County1
- Mackinac County1
- Schoolcraft 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.