Alert archive / Iowa / Mesoscale Discussions / 2022

Mesoscale Discussions in Iowa, May 2022

39 mesoscale discussions in May 2022. 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 2022. Tap one for its archive.

Mesoscale Discussions
39
Busiest day
May 30, 20228 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 9, 1:54 PM CDTMesoscale DiscussionSPCCerro Gordo, Chickasaw, Floyd, Hancock, Howard, Mitchell and 3 more96 min
May 9, 6:32 PM CDTMesoscale DiscussionSPCAllamakee, Benton, Black Hawk, Bremer, Buchanan, Butler and 21 more88 min
May 9, 9:05 PM CDTMesoscale DiscussionSPCAllamakee, Benton, Black Hawk, Bremer, Buchanan, Chickasaw and 8 more85 min
May 9, 9:44 PM CDTMesoscale DiscussionSPCAdams, Appanoose, Cedar, Clarke, Decatur, Iowa and 18 more91 min
May 9, 11:07 PM CDTMesoscale DiscussionSPCClayton113 min
May 11, 7:44 AM CDTMesoscale DiscussionSPCLyon, Sioux91 min
May 11, 12:50 PM CDTMesoscale DiscussionSPCCherokee, Clay, Dickinson, Emmet, Ida, Lyon and 6 more2 hr
May 11, 3:52 PM CDTMesoscale DiscussionSPCBuena Vista, Cherokee, Clay, Dickinson, Emmet, Lyon and 4 more113 min
May 11, 5:50 PM CDTMesoscale DiscussionSPCDickinson, Emmet, Osceola85 min
May 11, 7:01 PM CDTMesoscale DiscussionSPCDickinson, Emmet, Kossuth, Winnebago59 min
May 12, 4:32 PM CDTMesoscale DiscussionSPCLyon, Plymouth, Sioux58 min
May 12, 6:12 PM CDTMesoscale DiscussionSPCCherokee, Crawford, Harrison, Ida, Monona, Sac and 1 more63 min
May 12, 7:02 PM CDTMesoscale DiscussionSPCAudubon, Buena Vista, Calhoun, Carroll, Cherokee, Clay and 18 more88 min
May 17, 8:56 AM CDTMesoscale DiscussionSPCHarrison, Monona, Woodbury2 hr
May 17, 1:28 PM CDTMesoscale DiscussionSPCAdair, Adams, Audubon, Cass, Crawford, Fremont and 12 more2 hr
May 17, 4:18 PM CDTMesoscale DiscussionSPCDecatur, Ringgold, Taylor87 min
May 17, 6:12 PM CDTMesoscale DiscussionSPCAppanoose, Davis, Van Buren, Wayne93 min
May 19, 11:36 AM CDTMesoscale DiscussionSPCAllamakee, Cerro Gordo, Chickasaw, Floyd, Howard, Mitchell and 3 more84 min
May 19, 1:36 PM CDTMesoscale DiscussionSPCCerro Gordo, Dickinson, Emmet, Floyd, Franklin, Hancock and 7 more114 min
May 19, 4:54 PM CDTMesoscale DiscussionSPCHoward, Mitchell, Winneshiek, Worth2 hr
May 19, 7:04 PM CDTMesoscale DiscussionSPCAdair, Adams, Audubon, Boone, Buena Vista, Butler and 39 more116 min
May 20, 7:10 PM CDTMesoscale DiscussionSPCDes Moines, Lee2 hr
May 25, 6:46 PM CDTMesoscale DiscussionSPCCedar, Clinton, Des Moines, Jackson, Johnson, Jones and 4 more119 min
May 26, 9:52 AM CDTMesoscale DiscussionSPCDes Moines, Lee83 min
May 29, 4:16 AM CDTMesoscale DiscussionSPCLyon, Osceola89 min
May 29, 5:54 AM CDTMesoscale DiscussionSPCAdair, Adams, Audubon, Boone, Buena Vista, Calhoun and 25 more2 hr
May 29, 10:02 AM CDTMesoscale DiscussionSPCAllamakee88 min
May 29, 11:25 PM CDTMesoscale DiscussionSPCLyon, Osceola, Sioux95 min
May 30, 2:21 AM CDTMesoscale DiscussionSPCBuena Vista, Cherokee, Clay, Dickinson, Emmet, Lyon and 5 more84 min
May 30, 5:40 AM CDTMesoscale DiscussionSPCAudubon, Buena Vista, Calhoun, Carroll, Cass, Cherokee and 20 more95 min
May 30, 9:27 AM CDTMesoscale DiscussionSPCLyon, O'Brien, Osceola, Plymouth, Sioux93 min
May 30, 11:28 AM CDTMesoscale DiscussionSPCLyon, Osceola, Plymouth, Sioux92 min
May 30, 1:34 PM CDTMesoscale DiscussionSPCCherokee, Clay, Dickinson, Ida, Lyon, Monona and 5 more86 min
May 30, 1:55 PM CDTMesoscale DiscussionSPCAdams, Audubon, Cass, Crawford, Fremont, Harrison and 6 more2 hr
May 30, 6:51 PM CDTMesoscale DiscussionSPCDickinson, Osceola54 min
May 30, 7:30 PM CDTMesoscale DiscussionSPCAdair, Adams, Audubon, Boone, Calhoun, Carroll and 29 more90 min
May 30, 9:39 PM CDTMesoscale DiscussionSPCAdair, Adams, Audubon, Boone, Cass, Clarke and 15 more66 min
May 30, 11:27 PM CDTMesoscale DiscussionSPCCerro Gordo, Chickasaw, Floyd, Howard, Mitchell, Winneshiek and 1 more63 min
May 31, 6:22 PM CDTMesoscale DiscussionSPCClinton, Davis, Des Moines, Henry, Jefferson, Lee and 5 more83 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 archive20212023

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.