Alert archive / Michigan / Freeze Warnings / 2020
Freeze Warnings in Michigan, September 2020
4 freeze warnings in September 2020. 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 freeze warnings reaches back to 2005.
Freeze Warnings by county
Each county as a circle sized by its count in September 2020. Tap one for its archive.
- Freeze Warnings
- 4
- Busiest day
- September 17, 20202 freeze warnings
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 17, 3:17 AM EDT | Freeze Warning | APX | Alcona, Alpena, Antrim, Charlevoix, Cheboygan, Chippewa and 14 more | 29 hr |
| Sep 17, 12:34 PM EDT | Freeze Warning | MQT | Alger, Baraga, Delta, Dickinson, Gogebic, Houghton and 7 more | 21 hr |
| Sep 18, 9:03 AM EDT | Freeze Warning | GRR | Clare, Lake, Mason, Mecosta, Newaygo, Osceola | 24 hr |
| Sep 18, 9:37 AM EDT | Freeze Warning | APX | Alcona, Alpena, Antrim, Arenac, Benzie, Charlevoix and 18 more | 23 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Alcona County2
- Alpena County2
- Antrim County2
- Charlevoix County2
- Cheboygan County2
- Chippewa County2
- Crawford County2
- Emmet County2
- Grand Traverse County2
- Kalkaska County2
- Mackinac County2
- Manistee County2
- Missaukee County2
- Montmorency County2
- Ogemaw County2
- Oscoda County2
- Otsego County2
- Presque Isle County2
- Roscommon County2
- Wexford County2
- Alger County1
- Baraga County1
- Delta County1
- Dickinson County1
- Gogebic County1
- Houghton County1
- Iron County1
- Keweenaw County1
- Luce County1
- Marquette County1
- Menominee County1
- Ontonagon County1
- Schoolcraft County1
- Clare County1
- Lake County1
- Mason County1
- Mecosta County1
- Newaygo County1
- Osceola County1
- Arenac County1
3 more counties
Nearby
Alerts in force nowTornadoes on recordThe radar archive20192021
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.