Alert archive / Wisconsin / Mesoscale Discussions
Mesoscale Discussions in Wisconsin, 2009
81 mesoscale discussions in 2009. 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 2009. Tap one for its archive.
- Mesoscale Discussions
- 81
- Busiest month
- August18 mesoscale discussions
- Busiest day
- June 19, 20095 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.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 3, 6:16 PM CST | Mesoscale Discussion | SPC | Adams, Brown, Buffalo, Calumet, Clark, Columbia and 26 more | 5 hr |
| Jan 4, 12:08 AM CST | Mesoscale Discussion | SPC | Brown, Calumet, Columbia, Dodge, Door, Fond du Lac and 14 more | 4 hr |
| Jan 12, 6:27 PM CST | Mesoscale Discussion | SPC | Grant, Lafayette | 4 hr |
| Jan 13, 11:38 PM CST | Mesoscale Discussion | SPC | Crawford, Grant, Green, Iowa, Lafayette, Rock | 4 hr |
| Jan 17, 5:35 AM CST | Mesoscale Discussion | SPC | Brown, Door, Florence, Forest, Kewaunee, Manitowoc and 3 more | 4 hr |
| Feb 20, 11:57 PM CST | Mesoscale Discussion | SPC | Columbia, Crawford, Dane, Dodge, Grant, Green and 11 more | 5 hr |
| Feb 21, 5:35 AM CST | Mesoscale Discussion | SPC | Dodge, Jefferson, Kenosha, Milwaukee, Ozaukee, Racine and 3 more | 5 hr |
| Feb 26, 6:33 AM CST | Mesoscale Discussion | SPC | Pierce, Saint Croix | 5 hr |
| Feb 26, 11:47 AM CST | Mesoscale Discussion | SPC | Barron, Buffalo, Burnett, Chippewa, Clark, Dunn and 27 more | 5 hr |
| Feb 26, 6:31 PM CST | Mesoscale Discussion | SPC | Brown, Door, Florence, Kewaunee, Manitowoc, Marinette and 1 more | 5 hr |
| Feb 27, 12:10 AM CST | Mesoscale Discussion | SPC | Dodge, Fond du Lac, Jefferson, Milwaukee, Ozaukee, Sheboygan and 2 more | 2 hr |
| Mar 8, 12:58 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Buffalo, Calumet, Clark, Columbia and 35 more | 4 hr |
| Mar 8, 6:42 PM CDT | Mesoscale Discussion | SPC | Brown, Kewaunee, Manitowoc | 3 hr |
| Mar 24, 10:28 PM CDT | Mesoscale Discussion | SPC | Dodge, Fond du Lac, Jefferson, Kenosha, Milwaukee, Ozaukee and 5 more | 92 min |
| Mar 29, 3:42 AM CDT | Mesoscale Discussion | SPC | Kenosha, Milwaukee, Racine, Walworth | 4 hr |
| Mar 31, 1:26 PM CDT | Mesoscale Discussion | SPC | Ashland, Bayfield, Douglas, Sawyer, Washburn | 3 hr |
| Mar 31, 6:00 PM CDT | Mesoscale Discussion | SPC | Walworth | 60 min |
| Apr 24, 3:18 PM CDT | Mesoscale Discussion | SPC | Adams, Buffalo, Chippewa, Clark, Crawford, Dunn and 27 more | 2 hr |
| Apr 24, 7:42 PM CDT | Mesoscale Discussion | SPC | Adams, Ashland, Barron, Chippewa, Clark, Crawford and 28 more | 63 min |
| Apr 24, 9:40 PM CDT | Mesoscale Discussion | SPC | Adams, Buffalo, Chippewa, Clark, Crawford, Eau Claire and 28 more | 65 min |
| Apr 25, 5:32 PM CDT | Mesoscale Discussion | SPC | Dane, Grant, Green, Iowa, Jefferson, Kenosha and 5 more | 73 min |
| Apr 26, 2:00 PM CDT | Mesoscale Discussion | SPC | Dane, Green, Jefferson, Lafayette, Rock, Walworth and 1 more | 60 min |
| Apr 26, 5:14 PM CDT | Mesoscale Discussion | SPC | Crawford, Dane, Grant, Green, Iowa, Lafayette and 3 more | 61 min |
| Apr 26, 6:14 PM CDT | Mesoscale Discussion | SPC | Grant, Iowa, Lafayette | 61 min |
| Apr 26, 8:21 PM CDT | Mesoscale Discussion | SPC | Grant, Iowa, Lafayette | 54 min |
| May 8, 5:47 PM CDT | Mesoscale Discussion | SPC | Grant, Green, Iowa, Lafayette, Rock | 58 min |
| May 13, 5:47 PM CDT | Mesoscale Discussion | SPC | Rock, Walworth | 88 min |
| Jun 8, 11:54 AM CDT | Mesoscale Discussion | SPC | Walworth | 96 min |
| Jun 8, 3:53 PM CDT | Mesoscale Discussion | SPC | Kenosha, Milwaukee, Racine, Walworth | 67 min |
| Jun 13, 2:15 PM CDT | Mesoscale Discussion | SPC | Burnett, Douglas, Sawyer, Washburn | 60 min |
| Jun 17, 11:07 PM CDT | Mesoscale Discussion | SPC | Buffalo, Crawford, Dunn, Eau Claire, Jackson, La Crosse and 4 more | 53 min |
| Jun 18, 7:00 PM CDT | Mesoscale Discussion | SPC | Barron, Buffalo, Burnett, Chippewa, Clark, Douglas and 14 more | 90 min |
| Jun 18, 8:23 PM CDT | Mesoscale Discussion | SPC | Adams, Buffalo, Columbia, Crawford, Dane, Dodge and 18 more | 97 min |
| Jun 18, 11:07 PM CDT | Mesoscale Discussion | SPC | Columbia, Dane, Dodge, Fond du Lac, Green, Jefferson and 10 more | 53 min |
| Jun 19, 2:38 AM CDT | Mesoscale Discussion | SPC | Green, Iowa, Kenosha, Lafayette, Rock, Walworth | 97 min |
| Jun 19, 6:58 AM CDT | Mesoscale Discussion | SPC | Green, Lafayette | 62 min |
| Jun 19, 7:10 PM CDT | Mesoscale Discussion | SPC | Kenosha, Walworth | 95 min |
| Jun 23, 7:33 PM CDT | Mesoscale Discussion | SPC | Bayfield, Douglas | 27 min |
| Jun 25, 12:14 PM CDT | Mesoscale Discussion | SPC | Crawford, Grant, Lafayette, Richland, Vernon | 61 min |
| Jun 25, 2:56 PM CDT | Mesoscale Discussion | SPC | Lafayette | 64 min |
| Jun 27, 1:19 PM CDT | Mesoscale Discussion | SPC | Calumet, Columbia, Dane, Dodge, Fond du Lac, Grant and 17 more | 56 min |
| Jun 27, 6:22 PM CDT | Mesoscale Discussion | SPC | Adams, Columbia, Dane, Dodge, Fond du Lac, Green and 17 more | 113 min |
| Jun 27, 9:16 PM CDT | Mesoscale Discussion | SPC | Dodge, Milwaukee, Ozaukee, Washington | 59 min |
| Jul 9, 11:31 PM CDT | Mesoscale Discussion | SPC | Buffalo, Crawford, Grant, Jackson, La Crosse, Trempealeau and 1 more | 89 min |
| Jul 10, 1:36 AM CDT | Mesoscale Discussion | SPC | Crawford, Grant | 24 min |
| Jul 11, 2:31 AM CDT | Mesoscale Discussion | SPC | Green, Jefferson, Kenosha, Milwaukee, Racine, Rock and 2 more | 29 min |
| Jul 14, 6:39 PM CDT | Mesoscale Discussion | SPC | Barron, Burnett, Dunn, Pierce, Polk, Saint Croix | 66 min |
| Jul 23, 11:53 AM CDT | Mesoscale Discussion | SPC | Adams, Columbia, Dane, Dodge, Green, Green Lake and 8 more | 97 min |
| Jul 24, 9:51 AM CDT | Mesoscale Discussion | SPC | Buffalo, Crawford, Dane, Grant, Green, Iowa and 9 more | 54 min |
| Jul 24, 3:52 PM CDT | Mesoscale Discussion | SPC | Crawford, Grant, Green, Iowa, Lafayette, Richland | 83 min |
| Jul 24, 7:20 PM CDT | Mesoscale Discussion | SPC | Grant | 85 min |
| Jul 27, 2:10 PM CDT | Mesoscale Discussion | SPC | Adams, Buffalo, Chippewa, Clark, Columbia, Crawford and 20 more | 65 min |
| Jul 27, 6:45 PM CDT | Mesoscale Discussion | SPC | Adams, Buffalo, Columbia, Crawford, Dane, Dodge and 22 more | 90 min |
| Jul 30, 4:51 PM CDT | Mesoscale Discussion | SPC | Dodge, Green, Jefferson, Kenosha, Milwaukee, Ozaukee and 6 more | 114 min |
| Aug 2, 9:40 PM CDT | Mesoscale Discussion | SPC | Barron, Brown, Burnett, Calumet, Chippewa, Clark and 19 more | 3 hr |
| Aug 2, 11:21 PM CDT | Mesoscale Discussion | SPC | Adams, Buffalo, Clark, Dunn, Eau Claire, Jackson and 9 more | 84 min |
| Aug 3, 2:02 AM CDT | Mesoscale Discussion | SPC | Brown, Calumet, Menominee, Oconto, Outagamie, Shawano and 1 more | 88 min |
| Aug 8, 1:29 AM CDT | Mesoscale Discussion | SPC | Buffalo, Chippewa, Clark, Crawford, Dunn, Eau Claire and 13 more | 2 hr |
| Aug 8, 9:29 AM CDT | Mesoscale Discussion | SPC | Barron, Buffalo, Chippewa, Dunn, Eau Claire, Pepin and 3 more | 91 min |
| Aug 8, 12:16 PM CDT | Mesoscale Discussion | SPC | Pierce, Polk, Saint Croix | 29 min |
| Aug 8, 3:27 PM CDT | Mesoscale Discussion | SPC | Barron, Buffalo, Chippewa, Dunn, Eau Claire, Jackson and 7 more | 33 min |
| Aug 8, 5:36 PM CDT | Mesoscale Discussion | SPC | Barron, Buffalo, Burnett, Chippewa, Dunn, Eau Claire and 8 more | 84 min |
| Aug 8, 8:52 PM CDT | Mesoscale Discussion | SPC | Barron, Dunn, Polk, Saint Croix | 83 min |
| Aug 8, 11:06 PM CDT | Mesoscale Discussion | SPC | Barron, Brown, Calumet, Chippewa, Clark, Dunn and 22 more | 84 min |
| Aug 9, 9:55 AM CDT | Mesoscale Discussion | SPC | Columbia, Crawford, Dane, Grant, Green, Iowa and 6 more | 35 min |
| Aug 9, 10:55 PM CDT | Mesoscale Discussion | SPC | Green, Kenosha, Milwaukee, Racine, Rock, Walworth | 95 min |
| Aug 9, 11:42 PM CDT | Mesoscale Discussion | SPC | Kenosha, Milwaukee, Racine | 3 hr |
| Aug 15, 1:55 PM CDT | Mesoscale Discussion | SPC | Bayfield, Burnett, Douglas | 95 min |
| Aug 19, 4:34 PM CDT | Mesoscale Discussion | SPC | Barron, Buffalo, Chippewa, Crawford, Dunn, Eau Claire and 10 more | 56 min |
| Aug 19, 7:45 PM CDT | Mesoscale Discussion | SPC | Adams, Barron, Buffalo, Burnett, Chippewa, Clark and 24 more | 90 min |
| Aug 20, 1:51 PM CDT | Mesoscale Discussion | SPC | Adams, Columbia, Crawford, Dane, Dodge, Fond du Lac and 15 more | 114 min |
| Aug 28, 5:13 PM CDT | Mesoscale Discussion | SPC | Adams, Green Lake, Jackson, Juneau, La Crosse, Langlade and 14 more | 62 min |
| Sep 27, 3:00 PM CDT | Mesoscale Discussion | SPC | Ashland, Bayfield, Douglas, Florence, Forest, Iron and 6 more | 2 hr |
| Sep 27, 5:32 PM CDT | Mesoscale Discussion | SPC | Dane, Green, Iowa, Jefferson, Kenosha, Lafayette and 3 more | 88 min |
| Dec 8, 11:22 AM CST | Mesoscale Discussion | SPC | Grant, Green, Lafayette | 5 hr |
| Dec 8, 6:00 PM CST | Mesoscale Discussion | SPC | Adams, Buffalo, Calumet, Columbia, Crawford, Dane and 26 more | 5 hr |
| Dec 9, 6:28 AM CST | Mesoscale Discussion | SPC | Door | 4 hr |
| Dec 9, 10:22 AM CST | Mesoscale Discussion | SPC | Adams, Calumet, Columbia, Crawford, Dane, Dodge and 26 more | 4 hr |
| Dec 23, 12:21 PM CST | Mesoscale Discussion | SPC | Lafayette | 4 hr |
| Dec 23, 6:41 PM CST | Mesoscale Discussion | SPC | Crawford, Dane, Grant, Green, Iowa, Jefferson and 5 more | 4 hr |
| Dec 24, 6:28 PM CST | Mesoscale Discussion | SPC | Clark, Door, Forest, Kewaunee, Langlade, Lincoln and 13 more | 4 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Grant County31
- Lafayette County29
- Iowa County26
- Green County26
- Crawford County25
- Walworth County25
- Richland County24
- Rock County23
- Trempealeau County22
- La Crosse County21
- Vernon County21
- Buffalo County20
- Jefferson County20
- Jackson County19
- Monroe County19
- Sauk County18
- Dane County18
- Eau Claire County17
- Juneau County17
- Dodge County17
- Waukesha County17
- Adams County16
- Waushara County16
- Wood County16
- Pepin County16
- Columbia County15
- Marquette County15
- Kenosha County15
- Pierce County15
- Saint Croix County15
- Dunn County15
- Clark County14
- Waupaca County14
- Chippewa County14
- Green Lake County13
- Portage County13
- Milwaukee County13
- Fond du Lac County12
- Washington County12
- Barron County12
32 more counties
- Rusk County12
- Menominee County11
- Shawano County11
- Winnebago County11
- Ozaukee County11
- Racine County11
- Polk County11
- Langlade County10
- Marathon County10
- Outagamie County10
- Sawyer County10
- Brown County9
- Calumet County9
- Oconto County9
- Forest County9
- Price County9
- Taylor County9
- Washburn County9
- Sheboygan County8
- Burnett County8
- Lincoln County8
- Oneida County8
- Kewaunee County7
- Manitowoc County7
- Door County6
- Marinette County6
- Vilas County6
- Douglas County6
- Florence County5
- Bayfield County4
- Ashland County3
- Iron County2
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20082010
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.