Alert archive / Wisconsin / Flash Flood Warnings
Flash Flood Warnings in Wisconsin, 2020
27 flash flood warnings in 2020. 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 flash flood warnings reaches back to 1986.
Flash Flood Warnings by county
Each county as a circle sized by its count in 2020. Tap one for its archive.
- Flash Flood Warnings
- 27
- Busiest month
- August11 flash flood warnings
- Busiest day
- August 28, 20205 flash flood warnings
Over time
By month
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 |
|---|---|---|---|---|
| May 23, 5:39 PM CDT | Flash Flood Warning | MKX | Rock | 3 hr |
| May 27, 6:31 PM CDT | Flash Flood Warning | DLH | Sawyer | 3 hr |
| Jun 9, 8:02 PM CDT | Flash Flood Warning | ARX | Buffalo, Trempealeau | 6 hr |
| Jun 9, 9:38 PM CDT | Flash Flood Warning | MPX | Chippewa, Eau Claire, Rusk | 4 hr |
| Jun 9, 10:43 PM CDT | Flash Flood Warning | ARX | Taylor | 4 hr |
| Jun 10, 4:43 PM CDT | Flash Flood Warning | MKX | Fond du Lac | 3 hr |
| Jun 29, 2:04 AM CDT | Flash Flood Warning | MPX | Barron, Dunn, Pierce, Saint Croix | 5 hr |
| Jun 29, 4:53 AM CDT | Flash Flood Warning | MPX | Dunn, Pierce, Saint Croix | 3 hr |
| Jun 29, 1:40 PM CDT | Flash Flood Warning | MKX | Dane | 3 hr |
| Jun 29, 3:32 PM CDT | Flash Flood Warning | MKX | Rock | 3 hr |
| Jul 5, 5:02 PM CDT | Flash Flood Warning | DLH | Bayfield | 113 min |
| Jul 8, 9:15 PM CDT | Flash Flood Warning | DLH | Ashland, Bayfield, Douglas | 5 hr |
| Jul 14, 11:01 AM CDT | Flash Flood Warning | ARX | Clark | 3 hr |
| Jul 26, 7:52 AM CDT | Flash Flood Warning | DLH | Ashland, Price, Sawyer | 3 hr |
| Aug 2, 8:52 PM CDT | Flash Flood Warning | MKX | Milwaukee | 8 hr |
| Aug 2, 10:16 PM CDT | Flash Flood Warning | MKX | Milwaukee, Racine | 7 hr |
| Aug 8, 1:21 AM CDT | Flash Flood Warning | DLH | Douglas | 3 hr |
| Aug 9, 5:26 AM CDT | Flash Flood Warning | MKX | Sheboygan | 3 hr |
| Aug 27, 5:05 PM CDT | Flash Flood Warning | MKX | Columbia, Dodge | 6 hr |
| Aug 27, 6:21 PM CDT | Flash Flood Warning | MKX | Columbia, Dodge | 4 hr |
| Aug 27, 7:48 PM CDT | Flash Flood Warning | MKX | Columbia | 3 hr |
| Aug 28, 12:28 AM CDT | Flash Flood Warning | ARX | Adams, Juneau | 6 hr |
| Aug 28, 3:28 AM CDT | Flash Flood Warning | ARX | Monroe | 4 hr |
| Aug 28, 4:02 AM CDT | Flash Flood Warning | ARX | Juneau | 3 hr |
| Aug 28, 5:58 AM CDT | Flash Flood Warning | ARX | Jackson, Juneau, Monroe | 4 hr |
| Oct 22, 10:43 PM CDT | Flash Flood Warning | ARX | Grant | 3 hr |
| Oct 22, 11:01 PM CDT | Flash Flood Warning | MKX | Columbia, Dane, Iowa, Sauk | 6 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Columbia County4
- Juneau County3
- Rock County2
- Sawyer County2
- Dunn County2
- Pierce County2
- Saint Croix County2
- Dane County2
- Bayfield County2
- Ashland County2
- Douglas County2
- Milwaukee County2
- Dodge County2
- Monroe County2
- Buffalo County1
- Trempealeau County1
- Chippewa County1
- Eau Claire County1
- Rusk County1
- Taylor County1
- Fond du Lac County1
- Barron County1
- Clark County1
- Price County1
- Racine County1
- Sheboygan County1
- Adams County1
- Jackson County1
- Grant County1
- Iowa County1
- Sauk County1
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20192021
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. Rebuilt daily.