Alert archive / Wisconsin / Severe Thunderstorm Warnings / 2011
Severe Thunderstorm Warnings in Wisconsin, September 2011
28 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
- 28
- Busiest day
- September 2, 201112 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, Central Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 2, 7:02 AM CDT | Severe Thunderstorm Warning | ARX | La Crosse, Trempealeau, Vernon | 58 min |
| Sep 2, 7:33 AM CDT | Severe Thunderstorm Warning | ARX | Jackson, La Crosse, Monroe, Trempealeau, Vernon | 42 min |
| Sep 2, 8:00 AM CDT | Severe Thunderstorm Warning | ARX | Adams, Juneau | 45 min |
| Sep 2, 8:13 AM CDT | Severe Thunderstorm Warning | MKX | Sauk | 23 min |
| Sep 2, 8:15 AM CDT | Severe Thunderstorm Warning | GRB | Portage, Waushara, Wood | 60 min |
| Sep 2, 8:24 AM CDT | Severe Thunderstorm Warning | MKX | Green Lake, Marquette | 54 min |
| Sep 2, 8:49 AM CDT | Severe Thunderstorm Warning | GRB | Portage, Waupaca, Waushara, Winnebago | 41 min |
| Sep 2, 9:20 AM CDT | Severe Thunderstorm Warning | GRB | Brown, Calumet, Outagamie, Waupaca, Winnebago | 40 min |
| Sep 2, 9:41 AM CDT | Severe Thunderstorm Warning | GRB | Brown, Calumet, Kewaunee, Manitowoc, Outagamie, Waupaca | 49 min |
| Sep 2, 10:03 AM CDT | Severe Thunderstorm Warning | GRB | Brown, Oconto, Shawano | 27 min |
| Sep 2, 10:27 AM CDT | Severe Thunderstorm Warning | GRB | Brown, Door, Kewaunee, Manitowoc | 19 min |
| Sep 2, 10:50 AM CDT | Severe Thunderstorm Warning | GRB | Door, Kewaunee | 16 min |
| Sep 3, 12:54 AM CDT | Severe Thunderstorm Warning | ARX | Crawford, Grant, Richland | 66 min |
| Sep 3, 1:55 AM CDT | Severe Thunderstorm Warning | ARX | Crawford, Grant, Richland | 50 min |
| Sep 3, 1:58 AM CDT | Severe Thunderstorm Warning | MKX | Iowa, Lafayette | 47 min |
| Sep 3, 2:46 AM CDT | Severe Thunderstorm Warning | MKX | Iowa, Lafayette, Sauk | 29 min |
| Sep 3, 3:15 AM CDT | Severe Thunderstorm Warning | MKX | Dane, Green | 45 min |
| Sep 3, 3:39 AM CDT | Severe Thunderstorm Warning | MKX | Dane, Green, Jefferson, Rock | 66 min |
| Sep 3, 4:17 AM CDT | Severe Thunderstorm Warning | MKX | Dodge, Jefferson, Waukesha | 28 min |
| Sep 3, 4:41 AM CDT | Severe Thunderstorm Warning | MKX | Dodge, Jefferson, Washington, Waukesha | 49 min |
| Sep 3, 5:00 AM CDT | Severe Thunderstorm Warning | MKX | Milwaukee, Ozaukee | 46 min |
| Sep 3, 7:55 AM CDT | Severe Thunderstorm Warning | ARX | Clark, Taylor | 35 min |
| Sep 12, 4:47 PM CDT | Severe Thunderstorm Warning | DLH | Douglas | 13 min |
| Sep 12, 5:19 PM CDT | Severe Thunderstorm Warning | DLH | Bayfield, Douglas | 24 min |
| Sep 12, 5:31 PM CDT | Severe Thunderstorm Warning | DLH | Bayfield, Douglas | 29 min |
| Sep 12, 6:00 PM CDT | Severe Thunderstorm Warning | DLH | Bayfield, Douglas, Sawyer | 45 min |
| Sep 12, 6:41 PM CDT | Severe Thunderstorm Warning | DLH | Ashland, Bayfield, Sawyer | 34 min |
| Sep 12, 7:14 PM CDT | Severe Thunderstorm Warning | DLH | Ashland, Price, Sawyer | 42 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Brown County4
- Douglas County4
- Bayfield County4
- Waupaca County3
- Kewaunee County3
- Jefferson County3
- Sawyer County3
- La Crosse County2
- Trempealeau County2
- Vernon County2
- Sauk County2
- Portage County2
- Waushara County2
- Winnebago County2
- Calumet County2
- Outagamie County2
- Manitowoc County2
- Door County2
- Crawford County2
- Grant County2
- Richland County2
- Iowa County2
- Lafayette County2
- Dane County2
- Green County2
- Dodge County2
- Waukesha County2
- Ashland County2
- Jackson County1
- Monroe County1
- Adams County1
- Juneau County1
- Wood County1
- Green Lake County1
- Marquette County1
- Oconto County1
- Shawano County1
- Rock County1
- Washington County1
- Milwaukee County1
4 more counties
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.