Alert archive / Wisconsin / Mesoscale Discussions / 2021
Mesoscale Discussions in Wisconsin, September 2021
10 mesoscale discussions in September 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 mesoscale discussions reaches back to 2003.
Mesoscale Discussions by county
Each county as a circle sized by its count in September 2021. Tap one for its archive.
- Mesoscale Discussions
- 10
- Busiest day
- September 7, 20213 mesoscale discussions
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 7, 2:40 AM CDT | Mesoscale Discussion | SPC | Barron, Burnett, Chippewa, Forest, Iron, Langlade and 9 more | 3 hr |
| Sep 7, 9:15 AM CDT | Mesoscale Discussion | SPC | Adams, Brown, Calumet, Kewaunee, Manitowoc, Outagamie and 3 more | 90 min |
| Sep 7, 10:47 AM CDT | Mesoscale Discussion | SPC | Dodge, Jefferson, Kenosha, Milwaukee, Ozaukee, Racine and 4 more | 58 min |
| Sep 11, 11:20 PM CDT | Mesoscale Discussion | SPC | Buffalo, Clark, Jackson, Pepin, Trempealeau | 115 min |
| Sep 12, 3:44 PM CDT | Mesoscale Discussion | SPC | Jefferson, Kenosha, Milwaukee, Racine, Walworth, Washington and 1 more | 91 min |
| Sep 16, 3:47 PM CDT | Mesoscale Discussion | SPC | Burnett, Douglas | 118 min |
| Sep 16, 8:53 PM CDT | Mesoscale Discussion | SPC | Burnett, Douglas, Polk | 2 hr |
| Sep 20, 12:38 PM CDT | Mesoscale Discussion | SPC | Buffalo, Crawford, Grant, La Crosse, Pepin, Pierce and 2 more | 2 hr |
| Sep 20, 3:55 PM CDT | Mesoscale Discussion | SPC | Barron, Buffalo, Burnett, Chippewa, Clark, Crawford and 18 more | 95 min |
| Sep 20, 5:52 PM CDT | Mesoscale Discussion | SPC | Ashland, Barron, Bayfield, Buffalo, Chippewa, Clark and 20 more | 113 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Burnett County4
- Buffalo County4
- Pepin County4
- Trempealeau County4
- Barron County3
- Chippewa County3
- Iron County3
- Polk County3
- Price County3
- Rusk County3
- Sawyer County3
- Taylor County3
- Washburn County3
- Clark County3
- Jackson County3
- Crawford County3
- Grant County3
- La Crosse County3
- Vernon County3
- Lincoln County2
- Jefferson County2
- Kenosha County2
- Milwaukee County2
- Racine County2
- Walworth County2
- Washington County2
- Waukesha County2
- Douglas County2
- Pierce County2
- Dunn County2
- Eau Claire County2
- Monroe County2
- Forest County1
- Langlade County1
- Oneida County1
- Vilas County1
- Adams County1
- Brown County1
- Calumet County1
- Kewaunee 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.