Alert archive / Iowa / Mesoscale Discussions / 2011

Mesoscale Discussions in Iowa, June 2011

37 mesoscale discussions in June 2011. 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 June 2011. Tap one for its archive.

Mesoscale Discussions
37
Busiest day
June 20, 20117 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
Jun 4, 4:47 PM CDTMesoscale DiscussionSPCDes Moines, Lee, Van Buren28 min
Jun 5, 2:52 AM CDTMesoscale DiscussionSPCAdams, Appanoose, Clarke, Davis, Decatur, Des Moines and 18 more2 hr
Jun 5, 5:17 PM CDTMesoscale DiscussionSPCBenton, Black Hawk, Boone, Buchanan, Buena Vista, Butler and 19 more88 min
Jun 6, 1:08 AM CDTMesoscale DiscussionSPCAllamakee, Bremer, Buchanan, Chickasaw, Clayton, Delaware and 10 more2 hr
Jun 8, 2:02 AM CDTMesoscale DiscussionSPCAllamakee, Chickasaw, Clayton, Fayette, Howard, Mitchell and 1 more2 hr
Jun 8, 3:36 PM CDTMesoscale DiscussionSPCAdair, Adams, Allamakee, Appanoose, Benton, Black Hawk and 41 more84 min
Jun 8, 6:31 PM CDTMesoscale DiscussionSPCAdams, Fremont, Montgomery, Page, Taylor59 min
Jun 8, 8:43 PM CDTMesoscale DiscussionSPCCedar, Clinton, Davis, Des Moines, Dubuque, Henry and 14 more92 min
Jun 9, 1:44 AM CDTMesoscale DiscussionSPCAdair, Adams, Appanoose, Audubon, Benton, Boone and 48 more2 hr
Jun 9, 9:50 AM CDTMesoscale DiscussionSPCAdair, Adams, Appanoose, Audubon, Boone, Buena Vista and 37 more55 min
Jun 9, 7:43 PM CDTMesoscale DiscussionSPCAppanoose, Decatur, Fremont, Page, Ringgold, Taylor and 1 more92 min
Jun 9, 11:45 PM CDTMesoscale DiscussionSPCAdair, Adams, Appanoose, Audubon, Boone, Carroll and 33 more90 min
Jun 10, 1:39 AM CDTMesoscale DiscussionSPCAdair, Adams, Appanoose, Audubon, Boone, Carroll and 36 more2 hr
Jun 13, 9:23 PM CDTMesoscale DiscussionSPCAdair, Adams, Appanoose, Audubon, Cass, Clarke and 33 more97 min
Jun 13, 11:57 PM CDTMesoscale DiscussionSPCAdair, Adams, Appanoose, Cass, Clarke, Dallas and 22 more93 min
Jun 14, 3:21 AM CDTMesoscale DiscussionSPCDavis, Henry, Jefferson, Lee, Mahaska, Van Buren and 1 more3 hr
Jun 14, 2:56 PM CDTMesoscale DiscussionSPCAdair, Adams, Appanoose, Clarke, Davis, Decatur and 10 more94 min
Jun 14, 7:47 PM CDTMesoscale DiscussionSPCAdams, Appanoose, Clarke, Davis, Decatur, Lucas and 8 more58 min
Jun 15, 1:55 AM CDTMesoscale DiscussionSPCAppanoose, Davis, Des Moines, Henry, Jefferson, Lee and 3 more3 hr
Jun 17, 6:44 PM CDTMesoscale DiscussionSPCAdair, Adams, Audubon, Buena Vista, Calhoun, Carroll and 24 more91 min
Jun 19, 6:21 PM CDTMesoscale DiscussionSPCFremont84 min
Jun 19, 9:16 PM CDTMesoscale DiscussionSPCAdair, Adams, Appanoose, Audubon, Boone, Carroll and 31 more59 min
Jun 20, 1:40 AM CDTMesoscale DiscussionSPCAdair, Adams, Appanoose, Audubon, Boone, Carroll and 24 more35 min
Jun 20, 3:27 AM CDTMesoscale DiscussionSPCAdair, Adams, Appanoose, Audubon, Boone, Carroll and 28 more33 min
Jun 20, 4:08 AM CDTMesoscale DiscussionSPCBenton, Cedar, Clinton, Davis, Des Moines, Henry and 12 more67 min
Jun 20, 7:29 AM CDTMesoscale DiscussionSPCBlack Hawk, Grundy, Hamilton, Hardin, Jasper, Mahaska and 6 more61 min
Jun 20, 5:55 PM CDTMesoscale DiscussionSPCAdair, Audubon, Boone, Calhoun, Carroll, Dallas and 15 more65 min
Jun 20, 6:17 PM CDTMesoscale DiscussionSPCFremont, Harrison, Mills, Monona, Plymouth, Woodbury58 min
Jun 20, 7:46 PM CDTMesoscale DiscussionSPCAdair, Adams, Audubon, Carroll, Cass, Crawford and 12 more59 min
Jun 20, 9:02 PM CDTMesoscale DiscussionSPCAudubon, Boone, Buena Vista, Calhoun, Carroll, Cherokee and 21 more58 min
Jun 20, 10:22 PM CDTMesoscale DiscussionSPCAppanoose, Benton, Black Hawk, Boone, Bremer, Buchanan and 48 more83 min
Jun 21, 1:25 AM CDTMesoscale DiscussionSPCBenton, Black Hawk, Bremer, Buchanan, Butler, Chickasaw and 14 more35 min
Jun 21, 11:45 AM CDTMesoscale DiscussionSPCAllamakee, Clayton, Clinton, Delaware, Dubuque, Fayette and 5 more3 hr
Jun 26, 6:16 AM CDTMesoscale DiscussionSPCAudubon, Cass, Cherokee, Crawford, Fremont, Harrison and 10 more59 min
Jun 26, 3:09 PM CDTMesoscale DiscussionSPCFremont, Mills, Montgomery, Page, Pottawattamie2 hr
Jun 26, 6:22 PM CDTMesoscale DiscussionSPCDes Moines, Henry, Jefferson, Lee, Van Buren83 min
Jun 26, 8:48 PM CDTMesoscale DiscussionSPCAdair, Adams, Audubon, Boone, Calhoun, Carroll and 17 more117 min

By county

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

59 more counties

Nearby

Alerts in force nowTornadoes on recordThe radar archive20102012

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.