Alert archive / Iowa / Mesoscale Discussions / 2014

Mesoscale Discussions in Iowa, May 2014

33 mesoscale discussions in May 2014. 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 2014. Tap one for its archive.

Mesoscale Discussions
33
Busiest day
May 11, 20149 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 7, 2:28 PM CDTMesoscale DiscussionSPCClay, Dickinson, Emmet, Lyon, Osceola, Palo Alto2 hr
May 7, 5:35 PM CDTMesoscale DiscussionSPCClay, Dickinson, Emmet, Hancock, Kossuth, Osceola and 3 more85 min
May 7, 7:48 PM CDTMesoscale DiscussionSPCAdair, Adams, Audubon, Cass, Fremont, Guthrie and 7 more87 min
May 7, 9:44 PM CDTMesoscale DiscussionSPCBuena Vista, Calhoun, Carroll, Cherokee, Clay, Crawford and 16 more91 min
May 8, 3:46 AM CDTMesoscale DiscussionSPCClay, Dickinson, Emmet, Lyon, O'Brien, Osceola and 2 more119 min
May 8, 12:23 PM CDTMesoscale DiscussionSPCAdair, Adams, Audubon, Boone, Buena Vista, Butler and 40 more2 hr
May 8, 5:56 PM CDTMesoscale DiscussionSPCAdair, Adams, Audubon, Boone, Buena Vista, Calhoun and 42 more94 min
May 8, 8:34 PM CDTMesoscale DiscussionSPCAllamakee, Benton, Black Hawk, Bremer, Buchanan, Butler and 22 more86 min
May 10, 12:54 PM CDTMesoscale DiscussionSPCFremont2 hr
May 10, 3:42 PM CDTMesoscale DiscussionSPCAdair, Adams, Audubon, Cass, Clarke, Crawford and 13 more93 min
May 10, 5:07 PM CDTMesoscale DiscussionSPCBoone, Buena Vista, Calhoun, Carroll, Cherokee, Clay and 17 more83 min
May 11, 1:19 AM CDTMesoscale DiscussionSPCAdams, Cass, Fremont, Harrison, Mills, Montgomery and 3 more2 hr
May 11, 7:02 AM CDTMesoscale DiscussionSPCFremont, Mills, Montgomery, Page, Pottawattamie118 min
May 11, 9:16 AM CDTMesoscale DiscussionSPCAdair, Adams, Appanoose, Audubon, Benton, Black Hawk and 64 more89 min
May 11, 10:47 AM CDTMesoscale DiscussionSPCAppanoose, Clarke, Davis, Decatur, Des Moines, Henry and 19 more118 min
May 11, 12:49 PM CDTMesoscale DiscussionSPCAdams, Cass, Fremont, Mills, Montgomery, Page and 2 more116 min
May 11, 12:51 PM CDTMesoscale DiscussionSPCAppanoose, Cedar, Clinton, Davis, Des Moines, Dubuque and 14 more54 min
May 11, 2:36 PM CDTMesoscale DiscussionSPCDes Moines, Henry, Iowa, Jefferson, Johnson, Keokuk and 5 more84 min
May 11, 5:09 PM CDTMesoscale DiscussionSPCDes Moines, Henry, Jefferson, Lee, Louisa, Van Buren and 1 more66 min
May 11, 6:23 PM CDTMesoscale DiscussionSPCAdair, Adams, Cass, Fremont, Mills, Montgomery and 5 more67 min
May 11, 7:04 PM CDTMesoscale DiscussionSPCAdair, Audubon, Boone, Calhoun, Carroll, Clarke and 21 more56 min
May 11, 9:31 PM CDTMesoscale DiscussionSPCAdair, Adams, Audubon, Boone, Buena Vista, Calhoun and 31 more59 min
May 11, 11:01 PM CDTMesoscale DiscussionSPCAdair, Adams, Appanoose, Audubon, Black Hawk, Boone and 40 more59 min
May 12, 11:54 AM CDTMesoscale DiscussionSPCAppanoose, Benton, Cedar, Clarke, Clinton, Davis and 31 more2 hr
May 12, 3:21 PM CDTMesoscale DiscussionSPCAppanoose, Benton, Black Hawk, Buchanan, Cedar, Clinton and 23 more54 min
May 12, 6:56 PM CDTMesoscale DiscussionSPCJackson64 min
May 12, 7:26 PM CDTMesoscale DiscussionSPCAppanoose, Benton, Black Hawk, Buchanan, Cedar, Clinton and 22 more64 min
May 20, 2:55 PM CDTMesoscale DiscussionSPCBenton, Delaware, Dubuque, Jackson, Jones, Linn2 hr
May 20, 5:49 PM CDTMesoscale DiscussionSPCAudubon, Benton, Black Hawk, Boone, Buchanan, Cedar and 18 more86 min
May 20, 9:56 PM CDTMesoscale DiscussionSPCBenton, Cedar, Clinton, Dallas, Guthrie, Iowa and 10 more94 min
May 21, 1:27 AM CDTMesoscale DiscussionSPCAppanoose, Cedar, Clarke, Clinton, Davis, Decatur and 21 more93 min
May 21, 1:40 PM CDTMesoscale DiscussionSPCLee2 hr
May 31, 1:18 PM CDTMesoscale DiscussionSPCCherokee, Clay, Dickinson, Emmet, Lyon, O'Brien and 4 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 archive20132015

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.