Alert archive / Wisconsin / Mesoscale Discussions / 2021

Mesoscale Discussions in Wisconsin, December 2021

11 mesoscale discussions 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 mesoscale discussions reaches back to 2003.

Mesoscale Discussions by county

Each county as a circle sized by its count in December 2021. Tap one for its archive.

Mesoscale Discussions
11
Busiest day
December 5, 20212 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.

IssuedProductOfficeCountiesLasted
Dec 5, 4:22 AM CSTMesoscale DiscussionSPCAshland, Bayfield, Douglas, Florence, Forest, Iron and 8 more6 hr
Dec 5, 11:33 AM CSTMesoscale DiscussionSPCBayfield3 hr
Dec 10, 3:31 PM CSTMesoscale DiscussionSPCBuffalo, Dunn, Eau Claire, Jackson, La Crosse, Pepin and 2 more4 hr
Dec 10, 7:04 PM CSTMesoscale DiscussionSPCBarron, Buffalo, Burnett, Chippewa, Clark, Dunn and 23 more6 hr
Dec 15, 4:51 PM CSTMesoscale DiscussionSPCBuffalo, Crawford, Grant, Iowa, Jackson, La Crosse and 7 more114 min
Dec 15, 7:11 PM CSTMesoscale DiscussionSPCBuffalo, Crawford, La Crosse, Trempealeau2 hr
Dec 15, 9:03 PM CSTMesoscale DiscussionSPCBarron, Chippewa, Clark, Eau Claire, Forest, Langlade and 14 more117 min
Dec 26, 5:26 PM CSTMesoscale DiscussionSPCAdams, Barron, Buffalo, Burnett, Chippewa, Clark and 21 more6 hr
Dec 26, 9:07 PM CSTMesoscale DiscussionSPCBarron, Burnett, Douglas, Dunn, Polk, Rusk and 3 more4 hr
Dec 28, 8:59 AM CSTMesoscale DiscussionSPCColumbia, Crawford, Dane, Grant, Green, Iowa and 9 more5 hr
Dec 28, 5:40 PM CSTMesoscale DiscussionSPCAshland, Bayfield, Douglas, Iron, Sawyer, Washburn4 hr

By county

Every county with at least one alert. A county page lists each alert that covered it.

15 more counties

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.