Excessive Heat Watches in Michigan
19 excessive heat watches since 1986. 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 watches reaches back to 2005.
Excessive Heat Watches by county
Each county as a circle sized by its count since 1986. Tap one for its archive.
- Excessive Heat Watches
- 19
- Busiest year
- 20114 excessive heat watches
- Average year
- 2over 8 years on file
Over time
By year
Before late 2005 the archive holds only tornado, severe thunderstorm, flash flood and marine warnings, and from 1997 SPC's watches, so the jump that year is the archive widening, not the weather.
By month of the year
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Branch County7
- Cass County7
- Hillsdale County7
- Livingston County7
- Macomb County7
- Monroe County7
- Oakland County7
- Saint Joseph County7
- Washtenaw County7
- Wayne County7
- Lenawee County6
- Genesee County5
- Gratiot County5
- Montcalm County5
- Muskegon County5
- Bay County4
- Clinton County4
- Ionia County4
- Isabella County4
- Kent County4
- Lapeer County4
- Mecosta County4
- Midland County4
- Newaygo County4
- Oceana County4
- Ottawa County4
- Saginaw County4
- Shiawassee County4
- Allegan County3
- Barry County3
- Calhoun County3
- Clare County3
- Eaton County3
- Ingham County3
- Jackson County3
- Kalamazoo County3
- Lake County3
- Mason County3
- Osceola County3
- Saint Clair County3
Nearby
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.