Alert archive / Michigan / Mesoscale Discussions / 2012
Mesoscale Discussions in Michigan, December 2012
2 mesoscale discussions in December 2012. 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 December 2012. Tap one for its archive.
- Mesoscale Discussions
- 2
- Busiest day
- December 20, 20121 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 |
|---|---|---|---|---|
| Dec 20, 3:34 PM EST | Mesoscale Discussion | SPC | Antrim, Charlevoix, Cheboygan, Chippewa, Delta, Emmet and 7 more | 5 hr |
| Dec 26, 3:29 PM EST | Mesoscale Discussion | SPC | Barry, Branch, Calhoun, Cass, Clinton, Eaton and 13 more | 3 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Antrim County1
- Charlevoix County1
- Cheboygan County1
- Chippewa County1
- Delta County1
- Emmet County1
- Grand Traverse County1
- Kalkaska County1
- Luce County1
- Mackinac County1
- Montmorency County1
- Otsego County1
- Schoolcraft County1
- Barry County1
- Branch County1
- Calhoun County1
- Cass County1
- Clinton County1
- Eaton County1
- Genesee County1
- Hillsdale County1
- Ingham County1
- Jackson County1
- Kalamazoo County1
- Lapeer County1
- Livingston County1
- Macomb County1
- Oakland County1
- Saint Clair County1
- Saint Joseph County1
- Shiawassee County1
- Washtenaw County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20112013
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.