Alert archive / Michigan / Mesoscale Discussions / 2015
Mesoscale Discussions in Michigan, September 2015
3 mesoscale discussions in September 2015. 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 September 2015. Tap one for its archive.
- Mesoscale Discussions
- 3
- Busiest day
- September 8, 20153 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 |
|---|---|---|---|---|
| Sep 8, 1:07 PM EDT | Mesoscale Discussion | SPC | Allegan, Barry, Bay, Calhoun, Clinton, Eaton and 16 more | 2 hr |
| Sep 8, 2:29 PM EDT | Mesoscale Discussion | SPC | Berrien, Cass | 91 min |
| Sep 8, 3:59 PM EDT | Mesoscale Discussion | SPC | Alcona, Arenac, Bay, Clinton, Genesee, Gratiot and 20 more | 91 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Bay County2
- Clinton County2
- Genesee County2
- Gratiot County2
- Ingham County2
- Livingston County2
- Midland County2
- Saginaw County2
- Shiawassee County2
- Allegan County1
- Barry County1
- Calhoun County1
- Eaton County1
- Gladwin County1
- Ionia County1
- Isabella County1
- Kalamazoo County1
- Kent County1
- Mecosta County1
- Montcalm County1
- Newaygo County1
- Van Buren County1
- Berrien County1
- Cass County1
- Alcona County1
- Arenac County1
- Hillsdale County1
- Huron County1
- Iosco County1
- Jackson County1
- Lapeer County1
- Lenawee County1
- Macomb County1
- Monroe County1
- Oakland County1
- Ogemaw County1
- Saint Clair County1
- Sanilac County1
- Tuscola County1
- Washtenaw County1
1 more counties
Nearby
Alerts in force nowTornadoes on recordThe radar archive20142016
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.