Alert archive / Iowa / Mesoscale Discussions / 2013

Mesoscale Discussions in Iowa, May 2013

37 mesoscale discussions in May 2013. 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 2013. Tap one for its archive.

Mesoscale Discussions
37
Busiest day
May 30, 20139 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 1, 8:10 PM CDTMesoscale DiscussionSPCAudubon, Buena Vista, Calhoun, Carroll, Cerro Gordo, Cherokee and 21 more4 hr
May 2, 6:00 AM CDTMesoscale DiscussionSPCMitchell4 hr
May 14, 2:55 PM CDTMesoscale DiscussionSPCBuena Vista, Cherokee, Clay, Dickinson, Ida, Monona and 7 more3 hr
May 17, 4:02 PM CDTMesoscale DiscussionSPCCerro Gordo, Emmet, Floyd, Hancock, Kossuth, Mitchell and 3 more58 min
May 18, 8:33 PM CDTMesoscale DiscussionSPCAdams, Cass, Cherokee, Crawford, Fremont, Harrison and 13 more117 min
May 19, 1:48 AM CDTMesoscale DiscussionSPCAdair, Adams, Audubon, Buena Vista, Carroll, Cass and 17 more87 min
May 19, 11:30 AM CDTMesoscale DiscussionSPCAppanoose, Benton, Black Hawk, Boone, Bremer, Buchanan and 52 more90 min
May 19, 5:04 PM CDTMesoscale DiscussionSPCAllamakee, Black Hawk, Bremer, Buchanan, Buena Vista, Butler and 28 more56 min
May 19, 7:13 PM CDTMesoscale DiscussionSPCAdair, Adams, Appanoose, Audubon, Benton, Boone and 49 more62 min
May 19, 7:46 PM CDTMesoscale DiscussionSPCCedar, Clayton, Clinton, Delaware, Dubuque, Jackson and 4 more59 min
May 19, 8:21 PM CDTMesoscale DiscussionSPCButler, Cerro Gordo, Emmet, Franklin, Grundy, Hamilton and 9 more54 min
May 19, 9:11 PM CDTMesoscale DiscussionSPCAppanoose, Davis, Decatur, Jasper, Lucas, Mahaska and 7 more64 min
May 19, 10:58 PM CDTMesoscale DiscussionSPCAllamakee, Cedar, Clayton, Clinton, Delaware, Des Moines and 11 more62 min
May 20, 5:38 PM CDTMesoscale DiscussionSPCBoone, Butler, Clarke, Dallas, Decatur, Franklin and 14 more67 min
May 20, 9:33 PM CDTMesoscale DiscussionSPCAppanoose, Benton, Black Hawk, Bremer, Davis, Grundy and 17 more57 min
May 25, 10:59 PM CDTMesoscale DiscussionSPCBuena Vista, Cherokee, Clay, Ida, Lyon, O'Brien and 5 more91 min
May 26, 6:47 PM CDTMesoscale DiscussionSPCAdams, Cass, Clarke, Decatur, Fremont, Mills and 7 more88 min
May 27, 1:40 AM CDTMesoscale DiscussionSPCAdair, Adams, Audubon, Cass, Fremont, Harrison and 9 more95 min
May 27, 6:20 AM CDTMesoscale DiscussionSPCDecatur, Hardin, Jasper, Lucas, Marion, Marshall and 3 more85 min
May 27, 9:07 PM CDTMesoscale DiscussionSPCFremont, Page, Ringgold, Taylor53 min
May 28, 3:30 AM CDTMesoscale DiscussionSPCLee, Van Buren90 min
May 28, 1:37 PM CDTMesoscale DiscussionSPCAdair, Adams, Appanoose, Benton, Cass, Cedar and 39 more113 min
May 28, 5:52 PM CDTMesoscale DiscussionSPCAppanoose, Clarke, Davis, Decatur, Des Moines, Henry and 11 more83 min
May 28, 9:20 PM CDTMesoscale DiscussionSPCAdams, Appanoose, Clarke, Davis, Decatur, Fremont and 10 more55 min
May 29, 8:54 AM CDTMesoscale DiscussionSPCAdair, Adams, Audubon, Boone, Buena Vista, Calhoun and 33 more2 hr
May 29, 2:39 PM CDTMesoscale DiscussionSPCAllamakee, Benton, Black Hawk, Bremer, Buchanan, Chickasaw and 19 more66 min
May 29, 5:54 PM CDTMesoscale DiscussionSPCAllamakee, Appanoose, Benton, Black Hawk, Bremer, Buchanan and 32 more66 min
May 29, 9:00 PM CDTMesoscale DiscussionSPCAllamakee, Appanoose, Benton, Buchanan, Clayton, Davis and 16 more60 min
May 29, 9:36 PM CDTMesoscale DiscussionSPCAdair, Buena Vista, Calhoun, Carroll, Clay, Emmet and 6 more54 min
May 30, 11:20 AM CDTMesoscale DiscussionSPCAllamakee, Buchanan, Clayton, Delaware, Dubuque, Fayette and 2 more115 min
May 30, 11:29 AM CDTMesoscale DiscussionSPCDes Moines, Henry, Lee, Louisa, Muscatine, Scott61 min
May 30, 1:33 PM CDTMesoscale DiscussionSPCAllamakee, Clayton, Fayette, Winneshiek57 min
May 30, 2:16 PM CDTMesoscale DiscussionSPCBuchanan, Cedar, Clinton, Delaware, Des Moines, Dubuque and 12 more59 min
May 30, 3:34 PM CDTMesoscale DiscussionSPCAllamakee, Clayton, Fayette, Winneshiek116 min
May 30, 3:52 PM CDTMesoscale DiscussionSPCBuchanan, Cedar, Clinton, Delaware, Des Moines, Dubuque and 12 more113 min
May 30, 5:58 PM CDTMesoscale DiscussionSPCClayton62 min
May 30, 7:41 PM CDTMesoscale DiscussionSPCCass, Crawford, Fremont, Harrison, Ida, Mills and 6 more2 hr

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 archive20122014

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.