Alert archive / Wisconsin / Mesoscale Discussions / 2021

Mesoscale Discussions in Wisconsin, May 2021

6 mesoscale discussions in May 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 May 2021. Tap one for its archive.

Mesoscale Discussions
6
Busiest day
May 25, 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
May 2, 4:20 PM CDTMesoscale DiscussionSPCCrawford, Grant, Iowa, Juneau, La Crosse, Monroe and 3 more115 min
May 15, 1:16 PM CDTMesoscale DiscussionSPCPierce, Saint Croix119 min
May 25, 2:15 PM CDTMesoscale DiscussionSPCAshland, Barron, Bayfield, Buffalo, Chippewa, Clark and 18 more2 hr
May 25, 5:17 PM CDTMesoscale DiscussionSPCBuffalo, Chippewa, Clark, Eau Claire, Forest, Iron and 14 more118 min
May 25, 7:56 PM CDTMesoscale DiscussionSPCMarinette, Oconto94 min
May 31, 11:53 AM CDTMesoscale DiscussionSPCFlorence2 hr

By county

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

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.