Alert archive / Michigan / Severe Thunderstorm Warnings / 2011
Severe Thunderstorm Warnings in Michigan, September 2011
46 severe thunderstorm warnings in September 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 severe thunderstorm warnings reaches back to 1986.
Severe Thunderstorm Warnings by county
Each county as a circle sized by its count in September 2011. Tap one for its archive.
- Severe Thunderstorm Warnings
- 46
- Busiest day
- September 3, 201124 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 2, 12:18 PM EDT | Severe Thunderstorm Warning | APX | Benzie, Manistee | 42 min |
| Sep 2, 12:39 PM EDT | Severe Thunderstorm Warning | APX | Grand Traverse, Kalkaska, Missaukee, Wexford | 66 min |
| Sep 3, 8:06 AM EDT | Severe Thunderstorm Warning | GRR | Muskegon, Oceana, Ottawa | 54 min |
| Sep 3, 8:27 AM EDT | Severe Thunderstorm Warning | GRR | Newaygo | 63 min |
| Sep 3, 8:35 AM EDT | Severe Thunderstorm Warning | GRR | Isabella | 38 min |
| Sep 3, 8:44 AM EDT | Severe Thunderstorm Warning | GRR | Kent | 61 min |
| Sep 3, 8:57 AM EDT | Severe Thunderstorm Warning | GRR | Mecosta, Montcalm | 63 min |
| Sep 3, 9:34 AM EDT | Severe Thunderstorm Warning | GRR | Gratiot, Isabella | 56 min |
| Sep 3, 9:54 AM EDT | Severe Thunderstorm Warning | DTX | Bay | 38 min |
| Sep 3, 9:58 AM EDT | Severe Thunderstorm Warning | DTX | Midland | 62 min |
| Sep 3, 10:30 AM EDT | Severe Thunderstorm Warning | DTX | Saginaw | 62 min |
| Sep 3, 10:31 AM EDT | Severe Thunderstorm Warning | DTX | Huron, Tuscola | 44 min |
| Sep 3, 10:34 AM EDT | Severe Thunderstorm Warning | DTX | Bay | 50 min |
| Sep 3, 10:50 AM EDT | Severe Thunderstorm Warning | APX | Arenac, Gladwin, Iosco, Ogemaw | 55 min |
| Sep 3, 5:01 PM EDT | Severe Thunderstorm Warning | IWX | Saint Joseph | 59 min |
| Sep 3, 5:14 PM EDT | Severe Thunderstorm Warning | IWX | Berrien | 61 min |
| Sep 3, 5:22 PM EDT | Severe Thunderstorm Warning | IWX | Cass, Saint Joseph | 38 min |
| Sep 3, 5:30 PM EDT | Severe Thunderstorm Warning | IWX | Branch | 60 min |
| Sep 3, 5:48 PM EDT | Severe Thunderstorm Warning | GRR | Calhoun | 42 min |
| Sep 3, 6:05 PM EDT | Severe Thunderstorm Warning | IWX | Hillsdale | 40 min |
| Sep 3, 6:32 PM EDT | Severe Thunderstorm Warning | DTX | Washtenaw | 38 min |
| Sep 3, 6:44 PM EDT | Severe Thunderstorm Warning | DTX | Wayne | 28 min |
| Sep 3, 6:48 PM EDT | Severe Thunderstorm Warning | IWX | Hillsdale | 22 min |
| Sep 3, 7:15 PM EDT | Severe Thunderstorm Warning | GRR | Jackson | 15 min |
| Sep 3, 7:21 PM EDT | Severe Thunderstorm Warning | IWX | Branch, Saint Joseph | 27 min |
| Sep 3, 7:39 PM EDT | Severe Thunderstorm Warning | DTX | Washtenaw | 45 min |
| Sep 3, 8:24 PM EDT | Severe Thunderstorm Warning | DTX | Lenawee, Monroe | 30 min |
| Sep 3, 8:32 PM EDT | Severe Thunderstorm Warning | DTX | Macomb, Oakland | 53 min |
| Sep 3, 9:04 PM EDT | Severe Thunderstorm Warning | DTX | Monroe, Wayne | 22 min |
| Sep 3, 9:08 PM EDT | Severe Thunderstorm Warning | DTX | Saint Clair | 37 min |
| Sep 3, 9:38 PM EDT | Severe Thunderstorm Warning | DTX | Lapeer | 40 min |
| Sep 3, 10:41 PM EDT | Severe Thunderstorm Warning | DTX | Lenawee | 29 min |
| Sep 4, 12:15 AM EDT | Severe Thunderstorm Warning | DTX | Lapeer | 45 min |
| Sep 4, 12:39 AM EDT | Severe Thunderstorm Warning | DTX | Saint Clair, Sanilac, Tuscola | 81 min |
| Sep 12, 7:27 PM EDT | Severe Thunderstorm Warning | MQT | Houghton, Ontonagon | 63 min |
| Sep 12, 7:47 PM EDT | Severe Thunderstorm Warning | MQT | Houghton, Keweenaw | 58 min |
| Sep 12, 7:57 PM EDT | Severe Thunderstorm Warning | MQT | Gogebic, Ontonagon | 63 min |
| Sep 12, 8:18 PM EDT | Severe Thunderstorm Warning | MQT | Baraga, Houghton | 57 min |
| Sep 12, 8:30 PM EDT | Severe Thunderstorm Warning | MQT | Houghton, Ontonagon | 30 min |
| Sep 12, 9:04 PM EDT | Severe Thunderstorm Warning | MQT | Baraga, Marquette | 24 min |
| Sep 12, 9:09 PM EDT | Severe Thunderstorm Warning | MQT | Dickinson, Iron | 51 min |
| Sep 12, 10:00 PM EDT | Severe Thunderstorm Warning | MQT | Dickinson, Iron, Marquette, Menominee | 60 min |
| Sep 26, 7:55 AM EDT | Severe Thunderstorm Warning | APX | Arenac, Gladwin, Ogemaw | 36 min |
| Sep 29, 6:32 PM EDT | Severe Thunderstorm Warning | GRR | Kent, Ottawa | 43 min |
| Sep 29, 7:03 PM EDT | Severe Thunderstorm Warning | GRR | Ionia | 42 min |
| Sep 29, 7:36 PM EDT | Severe Thunderstorm Warning | IWX | Berrien, Cass | 39 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Houghton County4
- Saint Joseph County3
- Ontonagon County3
- Ottawa County2
- Isabella County2
- Kent County2
- Bay County2
- Tuscola County2
- Arenac County2
- Gladwin County2
- Ogemaw County2
- Berrien County2
- Cass County2
- Branch County2
- Hillsdale County2
- Washtenaw County2
- Wayne County2
- Lenawee County2
- Monroe County2
- Saint Clair County2
- Lapeer County2
- Baraga County2
- Marquette County2
- Dickinson County2
- Iron County2
- Benzie County1
- Manistee County1
- Grand Traverse County1
- Kalkaska County1
- Missaukee County1
- Wexford County1
- Muskegon County1
- Oceana County1
- Newaygo County1
- Mecosta County1
- Montcalm County1
- Gratiot County1
- Midland County1
- Saginaw County1
- Huron County1
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.