Alert archive / Michigan / Severe Thunderstorm Warnings / 2017
Severe Thunderstorm Warnings in Michigan, September 2017
18 severe thunderstorm warnings in September 2017. 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 severe thunderstorm warnings reaches back to 1986.
Severe Thunderstorm Warnings by county
Each county as a circle sized by its count in September 2017. Tap one for its archive.
- Severe Thunderstorm Warnings
- 18
- Busiest day
- September 4, 20179 severe thunderstorm 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 3, 11:41 PM EDT | Severe Thunderstorm Warning | MQT | Gogebic, Ontonagon | 49 min |
| Sep 4, 11:31 AM EDT | Severe Thunderstorm Warning | APX | Antrim, Charlevoix, Grand Traverse, Leelanau | 29 min |
| Sep 4, 11:38 AM EDT | Severe Thunderstorm Warning | APX | Presque Isle | 37 min |
| Sep 4, 12:12 PM EDT | Severe Thunderstorm Warning | APX | Benzie | 18 min |
| Sep 4, 2:07 PM EDT | Severe Thunderstorm Warning | DTX | Bay | 53 min |
| Sep 4, 4:31 PM EDT | Severe Thunderstorm Warning | IWX | Branch, Hillsdale | 44 min |
| Sep 4, 5:23 PM EDT | Severe Thunderstorm Warning | DTX | Livingston, Oakland, Washtenaw | 50 min |
| Sep 4, 5:59 PM EDT | Severe Thunderstorm Warning | DTX | Lenawee | 61 min |
| Sep 4, 6:47 PM EDT | Severe Thunderstorm Warning | DTX | Lenawee, Monroe | 43 min |
| Sep 21, 5:31 PM EDT | Severe Thunderstorm Warning | DTX | Genesee, Shiawassee | 28 min |
| Sep 22, 11:16 AM EDT | Severe Thunderstorm Warning | MQT | Gogebic | 59 min |
| Sep 22, 11:31 AM EDT | Severe Thunderstorm Warning | MQT | Houghton, Keweenaw | 44 min |
| Sep 22, 12:05 PM EDT | Severe Thunderstorm Warning | MQT | Gogebic, Ontonagon | 55 min |
| Sep 22, 12:47 PM EDT | Severe Thunderstorm Warning | MQT | Baraga, Houghton, Iron | 58 min |
| Sep 22, 1:50 PM EDT | Severe Thunderstorm Warning | MQT | Marquette | 40 min |
| Sep 22, 2:45 PM EDT | Severe Thunderstorm Warning | MQT | Alger, Delta, Schoolcraft | 45 min |
| Sep 25, 4:29 PM EDT | Severe Thunderstorm Warning | MQT | Baraga, Iron, Marquette | 31 min |
| Sep 25, 5:54 PM EDT | Severe Thunderstorm Warning | MQT | Marquette | 36 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Gogebic County3
- Marquette County3
- Ontonagon County2
- Lenawee County2
- Houghton County2
- Baraga County2
- Iron County2
- Antrim County1
- Charlevoix County1
- Grand Traverse County1
- Leelanau County1
- Presque Isle County1
- Benzie County1
- Bay County1
- Branch County1
- Hillsdale County1
- Livingston County1
- Oakland County1
- Washtenaw County1
- Monroe County1
- Genesee County1
- Shiawassee County1
- Keweenaw County1
- Alger County1
- Delta County1
- Schoolcraft County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20162018
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.