Alert archive / Wisconsin / Severe Thunderstorm Warnings / 2021
Severe Thunderstorm Warnings in Wisconsin, December 2021
15 severe thunderstorm warnings in December 2021. 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 December 2021. Tap one for its archive.
- Severe Thunderstorm Warnings
- 15
- Busiest day
- December 16, 202115 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 |
|---|---|---|---|---|
| Dec 15, 7:53 PM CST | Severe Thunderstorm Warning | ARX | Buffalo, La Crosse, Trempealeau | 67 min |
| Dec 15, 8:09 PM CST | Severe Thunderstorm Warning | MPX | Dunn, Pepin, Pierce, Saint Croix | 36 min |
| Dec 15, 8:16 PM CST | Severe Thunderstorm Warning | ARX | Crawford, Grant, Vernon | 74 min |
| Dec 15, 8:24 PM CST | Severe Thunderstorm Warning | ARX | Clark, Jackson, La Crosse, Monroe, Vernon | 81 min |
| Dec 15, 8:31 PM CST | Severe Thunderstorm Warning | MPX | Chippewa, Dunn, Eau Claire, Pepin | 44 min |
| Dec 15, 9:05 PM CST | Severe Thunderstorm Warning | ARX | Clark | 25 min |
| Dec 15, 9:06 PM CST | Severe Thunderstorm Warning | GRB | Marathon, Wood | 54 min |
| Dec 15, 9:08 PM CST | Severe Thunderstorm Warning | ARX | Grant, Richland | 52 min |
| Dec 15, 9:10 PM CST | Severe Thunderstorm Warning | MPX | Chippewa, Rusk | 28 min |
| Dec 15, 9:17 PM CST | Severe Thunderstorm Warning | ARX | Taylor | 43 min |
| Dec 15, 9:28 PM CST | Severe Thunderstorm Warning | ARX | Clark | 16 min |
| Dec 15, 9:28 PM CST | Severe Thunderstorm Warning | MKX | Iowa, Lafayette, Sauk | 77 min |
| Dec 15, 9:33 PM CST | Severe Thunderstorm Warning | ARX | Adams, Juneau | 72 min |
| Dec 15, 9:55 PM CST | Severe Thunderstorm Warning | GRB | Langlade, Lincoln, Marathon, Portage, Waushara, Wood | 65 min |
| Dec 15, 10:45 PM CST | Severe Thunderstorm Warning | GRB | Forest, Langlade, Menominee, Oconto, Oneida, Shawano and 1 more | 45 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Clark County3
- La Crosse County2
- Dunn County2
- Pepin County2
- Grant County2
- Vernon County2
- Chippewa County2
- Marathon County2
- Wood County2
- Langlade County2
- Buffalo County1
- Trempealeau County1
- Pierce County1
- Saint Croix County1
- Crawford County1
- Jackson County1
- Monroe County1
- Eau Claire County1
- Richland County1
- Rusk County1
- Taylor County1
- Iowa County1
- Lafayette County1
- Sauk County1
- Adams County1
- Juneau County1
- Lincoln County1
- Portage County1
- Waushara County1
- Forest County1
- Menominee County1
- Oconto County1
- Oneida County1
- Shawano County1
- Waupaca County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20202022
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.