Alert archive / Michigan / Heat Advisories
Heat Advisories in Michigan, 2019
5 heat advisories in 2019. 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 heat advisories reaches back to 2005.
Heat Advisories by county
Each county as a circle sized by its count in 2019. Tap one for its archive.
- Heat Advisories
- 5
- Busiest month
- July5 heat advisories
- Busiest day
- July 18, 20192 heat advisories
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 5, 2:29 AM EDT | Heat Advisory | DTX | Macomb, Oakland, Wayne | 19 hr |
| Jul 18, 3:27 AM EDT | Heat Advisory | GRR | Clare, Gratiot, Isabella, Lake, Mason, Mecosta and 5 more | 65 hr |
| Jul 18, 4:12 AM EDT | Heat Advisory | DTX | Bay, Huron, Midland, Saginaw, Sanilac, Tuscola | 63 hr |
| Jul 19, 4:16 AM EDT | Heat Advisory | APX | Alcona, Alpena, Antrim, Arenac, Benzie, Crawford and 13 more | 17 hr |
| Jul 19, 9:03 PM EDT | Heat Advisory | APX | Arenac, Gladwin, Iosco, Ogemaw | 16 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Arenac County2
- Gladwin County2
- Iosco County2
- Ogemaw County2
- Macomb County1
- Oakland County1
- Wayne County1
- Clare County1
- Gratiot County1
- Isabella County1
- Lake County1
- Mason County1
- Mecosta County1
- Montcalm County1
- Muskegon County1
- Newaygo County1
- Oceana County1
- Osceola County1
- Bay County1
- Huron County1
- Midland County1
- Saginaw County1
- Sanilac County1
- Tuscola County1
- Alcona County1
- Alpena County1
- Antrim County1
- Benzie County1
- Crawford County1
- Grand Traverse County1
- Kalkaska County1
- Leelanau County1
- Manistee County1
- Missaukee County1
- Montmorency County1
- Oscoda County1
- Otsego County1
- Roscommon County1
- Wexford County1
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20182020
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.