Alert archive / Wisconsin / Severe Thunderstorm Warnings / 2009
Severe Thunderstorm Warnings in Wisconsin, August 2009
25 severe thunderstorm warnings in August 2009. 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 August 2009. Tap one for its archive.
- Severe Thunderstorm Warnings
- 25
- Busiest day
- August 9, 200912 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 |
|---|---|---|---|---|
| Aug 2, 9:07 PM CDT | Severe Thunderstorm Warning | DLH | Burnett, Washburn | 38 min |
| Aug 2, 9:16 PM CDT | Severe Thunderstorm Warning | MPX | Rusk | 44 min |
| Aug 2, 11:48 PM CDT | Severe Thunderstorm Warning | MPX | Pierce, Saint Croix | 57 min |
| Aug 3, 12:06 AM CDT | Severe Thunderstorm Warning | ARX | Clark, Taylor | 41 min |
| Aug 3, 1:41 AM CDT | Severe Thunderstorm Warning | GRB | Portage, Wood | 39 min |
| Aug 8, 8:37 AM CDT | Severe Thunderstorm Warning | MPX | Polk, Saint Croix | 38 min |
| Aug 8, 10:59 AM CDT | Severe Thunderstorm Warning | MPX | Dunn, Saint Croix | 46 min |
| Aug 8, 10:54 PM CDT | Severe Thunderstorm Warning | DLH | Bayfield, Douglas | 57 min |
| Aug 9, 12:38 PM CDT | Severe Thunderstorm Warning | ARX | Grant | 62 min |
| Aug 9, 12:55 PM CDT | Severe Thunderstorm Warning | MKX | Lafayette | 95 min |
| Aug 9, 2:40 PM CDT | Severe Thunderstorm Warning | MKX | Rock | 50 min |
| Aug 9, 2:45 PM CDT | Severe Thunderstorm Warning | ARX | Grant | 45 min |
| Aug 9, 3:01 PM CDT | Severe Thunderstorm Warning | MKX | Iowa, Lafayette, Sauk | 59 min |
| Aug 9, 3:16 PM CDT | Severe Thunderstorm Warning | MKX | Jefferson, Walworth, Waukesha | 44 min |
| Aug 9, 3:40 PM CDT | Severe Thunderstorm Warning | MKX | Kenosha, Milwaukee, Racine, Walworth, Waukesha | 50 min |
| Aug 9, 3:48 PM CDT | Severe Thunderstorm Warning | MKX | Dane, Green, Iowa, Lafayette | 57 min |
| Aug 9, 4:21 PM CDT | Severe Thunderstorm Warning | MKX | Dane, Jefferson, Rock | 54 min |
| Aug 9, 4:47 PM CDT | Severe Thunderstorm Warning | MKX | Jefferson, Walworth, Waukesha | 58 min |
| Aug 9, 5:01 PM CDT | Severe Thunderstorm Warning | MKX | Kenosha, Milwaukee, Racine, Waukesha | 59 min |
| Aug 9, 11:25 PM CDT | Severe Thunderstorm Warning | MKX | Rock | 50 min |
| Aug 13, 8:40 PM CDT | Severe Thunderstorm Warning | MPX | Pierce | 35 min |
| Aug 13, 10:05 PM CDT | Severe Thunderstorm Warning | ARX | Buffalo | 55 min |
| Aug 14, 4:44 PM CDT | Severe Thunderstorm Warning | GRB | Marinette | 31 min |
| Aug 20, 2:43 PM CDT | Severe Thunderstorm Warning | GRB | Calumet, Outagamie, Winnebago | 25 min |
| Aug 20, 3:18 PM CDT | Severe Thunderstorm Warning | GRB | Portage | 42 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Waukesha County4
- Saint Croix County3
- Lafayette County3
- Rock County3
- Jefferson County3
- Walworth County3
- Pierce County2
- Portage County2
- Grant County2
- Iowa County2
- Kenosha County2
- Milwaukee County2
- Racine County2
- Dane County2
- Burnett County1
- Washburn County1
- Rusk County1
- Clark County1
- Taylor County1
- Wood County1
- Polk County1
- Dunn County1
- Bayfield County1
- Douglas County1
- Sauk County1
- Green County1
- Buffalo County1
- Marinette County1
- Calumet County1
- Outagamie County1
- Winnebago County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20082010
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.