Alert archive / Michigan / Excessive Heat Warnings
Excessive Heat Warnings in Michigan, 2011
3 excessive heat warnings in 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 excessive heat warnings reaches back to 2005.
Excessive Heat Warnings by county
Each county as a circle sized by its count in 2011. Tap one for its archive.
- Excessive Heat Warnings
- 3
- Busiest month
- July3 excessive heat warnings
- Busiest day
- July 19, 20112 excessive heat warnings
Over time
By month
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 |
|---|---|---|---|---|
| Jul 19, 4:00 AM EDT | Excessive Heat Warning | GRR | Allegan, Barry, Calhoun, Clinton, Eaton, Gratiot and 13 more | 65 hr |
| Jul 19, 9:23 AM EDT | Excessive Heat Warning | IWX | Branch, Cass, Hillsdale, Saint Joseph | 5 days |
| Jul 20, 3:57 AM EDT | Excessive Heat Warning | DTX | Bay, Genesee, Huron, Lapeer, Lenawee, Livingston and 11 more | 60 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Allegan County1
- Barry County1
- Calhoun County1
- Clinton County1
- Eaton County1
- Gratiot County1
- Ingham County1
- Ionia County1
- Isabella County1
- Jackson County1
- Kalamazoo County1
- Kent County1
- Mecosta County1
- Montcalm County1
- Muskegon County1
- Newaygo County1
- Oceana County1
- Ottawa County1
- Van Buren County1
- Branch County1
- Cass County1
- Hillsdale County1
- Saint Joseph County1
- Bay County1
- Genesee County1
- Huron County1
- Lapeer County1
- Lenawee County1
- Livingston County1
- Macomb County1
- Midland County1
- Monroe County1
- Oakland County1
- Saginaw County1
- Saint Clair County1
- Sanilac County1
- Shiawassee County1
- Tuscola County1
- Washtenaw County1
- Wayne County1
The busiest days
Days with the most alerts issued, by UTC date.
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.