Alert archive / Wisconsin / Severe Thunderstorm Warnings / 2018
Severe Thunderstorm Warnings in Wisconsin, September 2018
33 severe thunderstorm warnings in September 2018. 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 2018. Tap one for its archive.
- Severe Thunderstorm Warnings
- 33
- Busiest day
- September 21, 20189 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 31, 8:02 PM CDT | Severe Thunderstorm Warning | DLH | Douglas | 43 min |
| Aug 31, 10:02 PM CDT | Severe Thunderstorm Warning | DLH | Douglas | 28 min |
| Aug 31, 10:31 PM CDT | Severe Thunderstorm Warning | DLH | Douglas | 29 min |
| Aug 31, 11:22 PM CDT | Severe Thunderstorm Warning | DLH | Ashland, Bayfield | 23 min |
| Sep 2, 3:21 PM CDT | Severe Thunderstorm Warning | MKX | Iowa, Lafayette | 24 min |
| Sep 2, 4:09 PM CDT | Severe Thunderstorm Warning | ARX | Grant | 36 min |
| Sep 2, 4:14 PM CDT | Severe Thunderstorm Warning | ARX | Grant | 31 min |
| Sep 2, 4:20 PM CDT | Severe Thunderstorm Warning | MKX | Iowa, Lafayette | 40 min |
| Sep 4, 5:20 PM CDT | Severe Thunderstorm Warning | GRB | Marathon, Portage, Wood | 40 min |
| Sep 4, 6:35 PM CDT | Severe Thunderstorm Warning | GRB | Marathon | 40 min |
| Sep 4, 7:13 PM CDT | Severe Thunderstorm Warning | GRB | Marathon | 32 min |
| Sep 4, 8:15 PM CDT | Severe Thunderstorm Warning | GRB | Langlade, Lincoln, Marathon | 45 min |
| Sep 4, 8:38 PM CDT | Severe Thunderstorm Warning | GRB | Lincoln, Marathon | 67 min |
| Sep 15, 1:44 AM CDT | Severe Thunderstorm Warning | DLH | Douglas | 31 min |
| Sep 15, 3:01 AM CDT | Severe Thunderstorm Warning | DLH | Ashland, Bayfield, Douglas | 44 min |
| Sep 17, 2:17 PM CDT | Severe Thunderstorm Warning | MPX | Pierce | 43 min |
| Sep 17, 4:19 PM CDT | Severe Thunderstorm Warning | ARX | Buffalo, La Crosse, Trempealeau | 41 min |
| Sep 17, 5:59 PM CDT | Severe Thunderstorm Warning | ARX | Jackson, Juneau | 46 min |
| Sep 17, 6:06 PM CDT | Severe Thunderstorm Warning | ARX | Jackson | 24 min |
| Sep 17, 6:08 PM CDT | Severe Thunderstorm Warning | GRB | Portage, Wood | 52 min |
| Sep 17, 6:51 PM CDT | Severe Thunderstorm Warning | GRB | Portage, Waupaca, Wood | 31 min |
| Sep 17, 7:35 PM CDT | Severe Thunderstorm Warning | GRB | Brown, Outagamie | 40 min |
| Sep 17, 8:33 PM CDT | Severe Thunderstorm Warning | GRB | Manitowoc | 30 min |
| Sep 20, 7:04 PM CDT | Severe Thunderstorm Warning | ARX | Buffalo | 56 min |
| Sep 20, 7:37 PM CDT | Severe Thunderstorm Warning | MPX | Chippewa, Dunn, Eau Claire, Pepin, Saint Croix | 38 min |
| Sep 20, 7:53 PM CDT | Severe Thunderstorm Warning | ARX | Buffalo, Trempealeau | 37 min |
| Sep 20, 8:08 PM CDT | Severe Thunderstorm Warning | MPX | Chippewa, Eau Claire | 37 min |
| Sep 20, 8:53 PM CDT | Severe Thunderstorm Warning | ARX | Clark | 40 min |
| Sep 20, 8:57 PM CDT | Severe Thunderstorm Warning | GRB | Marathon, Portage, Wood | 48 min |
| Sep 20, 9:42 PM CDT | Severe Thunderstorm Warning | GRB | Langlade, Lincoln, Marathon | 48 min |
| Sep 20, 10:09 PM CDT | Severe Thunderstorm Warning | GRB | Marathon, Portage, Wood | 51 min |
| Sep 20, 11:41 PM CDT | Severe Thunderstorm Warning | GRB | Oconto, Shawano | 34 min |
| Sep 25, 3:29 PM CDT | Severe Thunderstorm Warning | MKX | Columbia, Dodge, Fond du Lac, Green Lake | 19 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Marathon County8
- Douglas County5
- Portage County5
- Wood County5
- Lincoln County3
- Buffalo County3
- Ashland County2
- Bayfield County2
- Iowa County2
- Lafayette County2
- Grant County2
- Langlade County2
- Trempealeau County2
- Jackson County2
- Chippewa County2
- Eau Claire County2
- Pierce County1
- La Crosse County1
- Juneau County1
- Waupaca County1
- Brown County1
- Outagamie County1
- Manitowoc County1
- Dunn County1
- Pepin County1
- Saint Croix County1
- Clark County1
- Oconto County1
- Shawano County1
- Columbia County1
- Dodge County1
- Fond du Lac County1
- Green Lake County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20172019
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.