Alert archive / Michigan / Mesoscale Discussions / 2009
Mesoscale Discussions in Michigan, March 2009
3 mesoscale discussions in March 2009. 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 March 2009. Tap one for its archive.
- Mesoscale Discussions
- 3
- Busiest day
- March 8, 20092 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 |
|---|---|---|---|---|
| Mar 8, 1:58 PM EDT | Mesoscale Discussion | SPC | Antrim, Benzie, Charlevoix, Delta, Grand Traverse, Leelanau and 3 more | 4 hr |
| Mar 8, 7:42 PM EDT | Mesoscale Discussion | SPC | Alcona, Alpena, Antrim, Benzie, Cheboygan, Crawford and 14 more | 3 hr |
| Mar 29, 6:01 AM EDT | Mesoscale Discussion | SPC | Antrim, Benzie, Charlevoix, Cheboygan, Chippewa, Emmet and 14 more | 4 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Antrim County3
- Benzie County3
- Grand Traverse County3
- Leelanau County3
- Manistee County3
- Charlevoix County2
- Cheboygan County2
- Kalkaska County2
- Lake County2
- Mason County2
- Missaukee County2
- Otsego County2
- Wexford County2
- Delta County1
- Menominee County1
- Schoolcraft County1
- Alcona County1
- Alpena County1
- Crawford County1
- Montmorency County1
- Ogemaw County1
- Oscoda County1
- Presque Isle County1
- Roscommon County1
- Chippewa County1
- Emmet County1
- Mackinac County1
- Muskegon County1
- Newaygo County1
- Oceana County1
- Osceola County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20082010
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.