Alert archive / Wisconsin / Mesoscale Discussions

Mesoscale Discussions in Wisconsin, 2021

106 mesoscale discussions in 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 2021. Tap one for its archive.

Mesoscale Discussions
106
Busiest month
August31 mesoscale discussions
Busiest day
August 11, 20216 mesoscale discussions

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.

IssuedProductOfficeCountiesLasted
Mar 10, 1:32 PM CSTMesoscale DiscussionSPCBuffalo, Dunn, Eau Claire, Pepin, Pierce, Saint Croix and 1 more118 min
Mar 10, 5:43 PM CSTMesoscale DiscussionSPCBuffalo, Dunn, Pepin, Pierce, Trempealeau2 hr
Apr 27, 11:05 AM CDTMesoscale DiscussionSPCClark, Door, Eau Claire, Langlade, Marathon, Marinette and 3 more2 hr
Apr 27, 8:24 PM CDTMesoscale DiscussionSPCAdams, Brown, Buffalo, Calumet, Columbia, Crawford and 22 more2 hr
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
Jun 8, 5:41 PM CDTMesoscale DiscussionSPCFlorence, Forest, Oneida, Price2 hr
Jun 10, 2:17 PM CDTMesoscale DiscussionSPCAshland, Barron, Bayfield, Burnett, Chippewa, Clark and 24 more118 min
Jun 11, 11:34 AM CDTMesoscale DiscussionSPCAdams, Barron, Buffalo, Burnett, Chippewa, Clark and 28 more116 min
Jun 17, 2:57 PM CDTMesoscale DiscussionSPCAdams, Buffalo, Crawford, Grant, Iowa, Jackson and 9 more63 min
Jun 17, 7:02 PM CDTMesoscale DiscussionSPCAdams, Buffalo, Clark, Eau Claire, Jackson, Juneau and 11 more88 min
Jun 17, 9:01 PM CDTMesoscale DiscussionSPCAdams, Buffalo, Clark, Columbia, Crawford, Eau Claire and 15 more89 min
Jun 17, 10:52 PM CDTMesoscale DiscussionSPCAdams, Buffalo, Columbia, Crawford, Dodge, Fond du Lac and 13 more83 min
Jun 18, 1:34 AM CDTMesoscale DiscussionSPCColumbia, Crawford, Dane, Dodge, Fond du Lac, Green Lake and 9 more116 min
Jun 20, 1:10 PM CDTMesoscale DiscussionSPCBuffalo, Pepin, Pierce95 min
Jun 20, 5:22 PM CDTMesoscale DiscussionSPCCrawford, Grant, La Crosse, Richland, Vernon113 min
Jun 24, 3:03 PM CDTMesoscale DiscussionSPCChippewa, Clark, Dunn, Eau Claire, Pepin, Taylor87 min
Jun 30, 1:13 PM CDTMesoscale DiscussionSPCBrown, Door, Florence, Forest, Kewaunee, Langlade and 7 more2 hr
Jul 4, 6:31 PM CDTMesoscale DiscussionSPCAshland, Bayfield, Burnett, Douglas, Iron, Sawyer and 1 more89 min
Jul 5, 2:47 PM CDTMesoscale DiscussionSPCBrown, Calumet, Door, Kewaunee, Manitowoc, Menominee and 7 more118 min
Jul 6, 1:06 PM CDTMesoscale DiscussionSPCBuffalo, Dunn, Eau Claire, Jackson, La Crosse, Monroe and 4 more114 min
Jul 6, 1:44 PM CDTMesoscale DiscussionSPCBrown, Calumet, Columbia, Dodge, Fond du Lac, Green Lake and 14 more61 min
Jul 6, 5:22 PM CDTMesoscale DiscussionSPCAdams, Calumet, Columbia, Crawford, Dane, Dodge and 20 more113 min
Jul 6, 8:00 PM CDTMesoscale DiscussionSPCAdams, Brown, Calumet, Fond du Lac, Green Lake, Jackson and 15 more2 hr
Jul 7, 2:02 PM CDTMesoscale DiscussionSPCRock, Walworth88 min
Jul 14, 7:02 AM CDTMesoscale DiscussionSPCAdams, Buffalo, Clark, Columbia, Crawford, Dane and 15 more2 hr
Jul 14, 11:45 AM CDTMesoscale DiscussionSPCAdams, Calumet, Columbia, Crawford, Dane, Dodge and 23 more2 hr
Jul 14, 2:01 PM CDTMesoscale DiscussionSPCDane, Dodge, Fond du Lac, Jefferson, Kenosha, Milwaukee and 6 more119 min
Jul 14, 5:42 PM CDTMesoscale DiscussionSPCColumbia, Crawford, Dane, Grant, Green, Iowa and 5 more63 min
Jul 14, 9:15 PM CDTMesoscale DiscussionSPCColumbia, Crawford, Dane, Grant, Green, Iowa and 4 more90 min
Jul 14, 11:17 PM CDTMesoscale DiscussionSPCRock58 min
Jul 26, 4:31 PM CDTMesoscale DiscussionSPCBrown, Calumet, Kewaunee, Manitowoc, Marinette, Menominee and 3 more89 min
Jul 26, 5:00 PM CDTMesoscale DiscussionSPCDouglas2 hr
Jul 26, 7:12 PM CDTMesoscale DiscussionSPCAshland, Bayfield, Burnett, Douglas, Sawyer, Washburn93 min
Jul 26, 8:41 PM CDTMesoscale DiscussionSPCAshland, Barron, Bayfield, Burnett, Douglas, Iron and 6 more94 min
Jul 26, 11:50 PM CDTMesoscale DiscussionSPCBayfield, Brown, Calumet, Door, Douglas, Fond du Lac and 20 more55 min
Jul 27, 4:00 AM CDTMesoscale DiscussionSPCBarron, Dunn, Pepin, Pierce, Polk, Saint Croix3 hr
Jul 27, 7:48 AM CDTMesoscale DiscussionSPCAdams, Crawford, Iowa, Jackson, Juneau, La Crosse and 4 more117 min
Jul 27, 7:33 PM CDTMesoscale DiscussionSPCBuffalo, Crawford, Grant, Iowa, La Crosse, Monroe and 5 more87 min
Jul 27, 10:35 PM CDTMesoscale DiscussionSPCCrawford, Grant, La Crosse, Vernon55 min
Jul 28, 12:50 AM CDTMesoscale DiscussionSPCGrant, Iowa, Lafayette, Richland55 min
Jul 28, 5:09 PM CDTMesoscale DiscussionSPCBarron, Bayfield, Burnett, Chippewa, Douglas, Dunn and 5 more2 hr
Jul 28, 8:59 PM CDTMesoscale DiscussionSPCChippewa, Clark, Eau Claire, Jackson, Monroe, Trempealeau61 min
Jul 28, 9:51 PM CDTMesoscale DiscussionSPCEau Claire, Jackson, Monroe54 min
Jul 28, 10:17 PM CDTMesoscale DiscussionSPCBuffalo, Dunn, Pepin, Pierce, Saint Croix58 min
Jul 28, 11:24 PM CDTMesoscale DiscussionSPCAdams, Buffalo, Calumet, Columbia, Crawford, Dane and 34 more96 min
Jul 29, 1:34 AM CDTMesoscale DiscussionSPCKenosha, Milwaukee, Racine, Rock, Walworth, Waukesha86 min
Jul 31, 1:06 PM CDTMesoscale DiscussionSPCAdams, Brown, Buffalo, Calumet, Chippewa, Clark and 33 more2 hr
Aug 6, 3:23 PM CDTMesoscale DiscussionSPCDane, Dodge, Fond du Lac, Jefferson, Kenosha, Milwaukee and 7 more97 min
Aug 7, 11:03 AM CDTMesoscale DiscussionSPCCrawford, Grant, Iowa, La Crosse, Richland, Sauk and 1 more2 hr
Aug 7, 3:46 PM CDTMesoscale DiscussionSPCColumbia, Crawford, Dane, Grant, Green, Iowa and 5 more119 min
Aug 7, 5:02 PM CDTMesoscale DiscussionSPCGreen, Iowa, Rock, Walworth58 min
Aug 8, 12:57 PM CDTMesoscale DiscussionSPCAdams, Brown, Calumet, Columbia, Crawford, Dodge and 22 more93 min
Aug 8, 3:53 PM CDTMesoscale DiscussionSPCAdams, Brown, Calumet, Clark, Columbia, Dodge and 22 more97 min
Aug 10, 12:02 PM CDTMesoscale DiscussionSPCAshland, Bayfield, Iron, Sawyer, Vilas88 min
Aug 10, 3:10 PM CDTMesoscale DiscussionSPCAdams, Brown, Calumet, Columbia, Dane, Dodge and 24 more2 hr
Aug 10, 5:51 PM CDTMesoscale DiscussionSPCColumbia, Dane, Dodge, Green, Iowa, Jefferson and 7 more84 min
Aug 10, 7:12 PM CDTMesoscale DiscussionSPCManitowoc, Racine, Sheboygan63 min
Aug 11, 7:27 AM CDTMesoscale DiscussionSPCBarron, Buffalo, Burnett, Chippewa, Dunn, Eau Claire and 8 more2 hr
Aug 11, 11:48 AM CDTMesoscale DiscussionSPCAdams, Brown, Calumet, Columbia, Crawford, Dane and 39 more117 min
Aug 11, 2:02 PM CDTMesoscale DiscussionSPCAdams, Brown, Calumet, Columbia, Crawford, Dodge and 20 more88 min
Aug 11, 5:40 PM CDTMesoscale DiscussionSPCColumbia, Dane, Grant, Green, Iowa, Jefferson and 3 more95 min
Aug 11, 6:45 PM CDTMesoscale DiscussionSPCMilwaukee, Racine90 min
Aug 11, 7:35 PM CDTMesoscale DiscussionSPCKenosha, Walworth85 min
Aug 11, 11:06 PM CDTMesoscale DiscussionSPCKenosha84 min
Aug 24, 3:00 AM CDTMesoscale DiscussionSPCPierce, Polk, Saint Croix2 hr
Aug 24, 6:00 AM CDTMesoscale DiscussionSPCAdams, Buffalo, Clark, Columbia, Crawford, Dane and 26 more90 min
Aug 24, 7:10 AM CDTMesoscale DiscussionSPCAdams, Barron, Buffalo, Chippewa, Clark, Dunn and 15 more95 min
Aug 24, 9:13 AM CDTMesoscale DiscussionSPCBrown, Calumet, Menominee, Oconto, Outagamie, Shawano and 3 more62 min
Aug 24, 12:44 PM CDTMesoscale DiscussionSPCCrawford, Grant, Iowa, Richland, Sauk, Vernon91 min
Aug 24, 3:09 PM CDTMesoscale DiscussionSPCGreen, Rock, Walworth66 min
Aug 26, 1:12 PM CDTMesoscale DiscussionSPCCrawford, Jackson, La Crosse, Monroe, Richland, Trempealeau and 1 more93 min
Aug 26, 1:53 PM CDTMesoscale DiscussionSPCPierce97 min
Aug 27, 4:01 PM CDTMesoscale DiscussionSPCCrawford, La Crosse, Monroe, Richland, Vernon59 min
Aug 27, 7:59 PM CDTMesoscale DiscussionSPCCrawford, Grant, Iowa, Lafayette2 hr
Aug 27, 9:57 PM CDTMesoscale DiscussionSPCColumbia, Crawford, Dane, Dodge, Grant, Green and 7 more93 min
Aug 28, 9:39 AM CDTMesoscale DiscussionSPCAshland, Barron, Bayfield, Burnett, Douglas, Iron and 5 more2 hr
Aug 28, 1:13 PM CDTMesoscale DiscussionSPCAshland, Barron, Bayfield, Burnett, Douglas, Iron and 5 more2 hr
Aug 29, 1:18 PM CDTMesoscale DiscussionSPCKenosha87 min
Sep 7, 2:40 AM CDTMesoscale DiscussionSPCBarron, Burnett, Chippewa, Forest, Iron, Langlade and 9 more3 hr
Sep 7, 9:15 AM CDTMesoscale DiscussionSPCAdams, Brown, Calumet, Kewaunee, Manitowoc, Outagamie and 3 more90 min
Sep 7, 10:47 AM CDTMesoscale DiscussionSPCDodge, Jefferson, Kenosha, Milwaukee, Ozaukee, Racine and 4 more58 min
Sep 11, 11:20 PM CDTMesoscale DiscussionSPCBuffalo, Clark, Jackson, Pepin, Trempealeau115 min
Sep 12, 3:44 PM CDTMesoscale DiscussionSPCJefferson, Kenosha, Milwaukee, Racine, Walworth, Washington and 1 more91 min
Sep 16, 3:47 PM CDTMesoscale DiscussionSPCBurnett, Douglas118 min
Sep 16, 8:53 PM CDTMesoscale DiscussionSPCBurnett, Douglas, Polk2 hr
Sep 20, 12:38 PM CDTMesoscale DiscussionSPCBuffalo, Crawford, Grant, La Crosse, Pepin, Pierce and 2 more2 hr
Sep 20, 3:55 PM CDTMesoscale DiscussionSPCBarron, Buffalo, Burnett, Chippewa, Clark, Crawford and 18 more95 min
Sep 20, 5:52 PM CDTMesoscale DiscussionSPCAshland, Barron, Bayfield, Buffalo, Chippewa, Clark and 20 more113 min
Oct 11, 12:37 PM CDTMesoscale DiscussionSPCDodge, Jefferson, Kenosha, Manitowoc, Milwaukee, Ozaukee and 6 more113 min
Nov 21, 1:36 PM CSTMesoscale DiscussionSPCAdams, Brown, Calumet, Door, Florence, Forest and 15 more3 hr
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.

32 more counties

The busiest days

Days with the most alerts issued, by UTC date.

  1. August 11, 20216mesoscale discussions
  2. August 24, 20216mesoscale discussions
  3. July 27, 20215mesoscale discussions
  4. July 29, 20215mesoscale discussions
  5. June 18, 20214mesoscale discussions
  6. July 14, 20214mesoscale discussions
  7. July 28, 20214mesoscale discussions
  8. August 28, 20214mesoscale discussions
  9. July 6, 20213mesoscale discussions
  10. August 7, 20213mesoscale discussions
  11. August 10, 20213mesoscale discussions
  12. September 7, 20213mesoscale discussions

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. Rebuilt daily.