Alert archive / Iowa / Mesoscale Discussions / 2019

Mesoscale Discussions in Iowa, May 2019

32 mesoscale discussions in May 2019. 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 2019. Tap one for its archive.

Mesoscale Discussions
32
Busiest day
May 28, 20198 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 5, 1:35 PM CDTMesoscale DiscussionSPCAdair, Audubon, Black Hawk, Boone, Butler, Calhoun and 21 more2 hr
May 5, 6:33 PM CDTMesoscale DiscussionSPCFremont87 min
May 8, 1:11 PM CDTMesoscale DiscussionSPCAppanoose, Cedar, Davis, Des Moines, Henry, Iowa and 13 more94 min
May 14, 5:31 PM CDTMesoscale DiscussionSPCRinggold119 min
May 16, 7:14 PM CDTMesoscale DiscussionSPCBenton, Cedar, Clarke, Clinton, Dubuque, Iowa and 17 more2 hr
May 16, 11:12 PM CDTMesoscale DiscussionSPCAdair, Audubon, Benton, Black Hawk, Boone, Carroll and 34 more2 hr
May 18, 6:59 PM CDTMesoscale DiscussionSPCDes Moines, Lee, Van Buren2 hr
May 21, 8:46 PM CDTMesoscale DiscussionSPCFremont, Mills, Montgomery, Page59 min
May 22, 5:59 PM CDTMesoscale DiscussionSPCDes Moines, Henry, Lee, Louisa, Van Buren2 hr
May 22, 8:12 PM CDTMesoscale DiscussionSPCDes Moines, Henry, Lee, Louisa63 min
May 24, 4:05 AM CDTMesoscale DiscussionSPCAdams, Fremont, Mills, Montgomery, Page, Ringgold and 2 more115 min
May 24, 6:43 AM CDTMesoscale DiscussionSPCAdams, Appanoose, Clarke, Davis, Decatur, Fremont and 13 more2 hr
May 24, 3:25 PM CDTMesoscale DiscussionSPCAppanoose, Benton, Black Hawk, Bremer, Buchanan, Cedar and 38 more65 min
May 24, 7:00 PM CDTMesoscale DiscussionSPCAllamakee, Black Hawk, Bremer, Buchanan, Chickasaw, Clayton and 5 more2 hr
May 24, 8:57 PM CDTMesoscale DiscussionSPCCedar, Clinton, Delaware, Des Moines, Dubuque, Jackson and 4 more2 hr
May 24, 9:17 PM CDTMesoscale DiscussionSPCAllamakee, Clayton, Fayette, Winneshiek118 min
May 25, 3:24 PM CDTMesoscale DiscussionSPCAppanoose, Davis, Des Moines, Henry, Jefferson, Lee and 2 more3 hr
May 25, 6:48 PM CDTMesoscale DiscussionSPCDes Moines, Henry, Jefferson, Keokuk, Lee, Louisa and 2 more57 min
May 27, 12:50 PM CDTMesoscale DiscussionSPCCedar, Clinton, Des Moines, Henry, Jackson, Johnson and 5 more85 min
May 27, 1:18 PM CDTMesoscale DiscussionSPCHoward, Mitchell, Winneshiek57 min
May 27, 3:57 PM CDTMesoscale DiscussionSPCCedar, Clinton, Des Moines, Henry, Lee, Louisa and 2 more93 min
May 27, 11:42 PM CDTMesoscale DiscussionSPCFremont, Mills, Montgomery, Page, Taylor63 min
May 28, 1:23 AM CDTMesoscale DiscussionSPCAdams, Appanoose, Clarke, Davis, Decatur, Des Moines and 12 more2 hr
May 28, 4:58 AM CDTMesoscale DiscussionSPCAdair, Adams, Audubon, Cass, Clarke, Dallas and 14 more2 hr
May 28, 7:44 AM CDTMesoscale DiscussionSPCAdair, Adams, Appanoose, Cass, Clarke, Dallas and 17 more2 hr
May 28, 9:42 AM CDTMesoscale DiscussionSPCAdair, Adams, Appanoose, Cass, Clarke, Davis and 16 more93 min
May 28, 11:31 AM CDTMesoscale DiscussionSPCDavis, Des Moines, Lee, Van Buren89 min
May 28, 2:55 PM CDTMesoscale DiscussionSPCAppanoose, Clarke, Davis, Decatur, Jasper, Jefferson and 15 more95 min
May 28, 5:12 PM CDTMesoscale DiscussionSPCDecatur, Wayne93 min
May 28, 9:52 PM CDTMesoscale DiscussionSPCFremont, Page, Ringgold, Taylor53 min
May 29, 5:24 PM CDTMesoscale DiscussionSPCBuena Vista, Calhoun, Cherokee, Clay, Humboldt, Ida and 3 more2 hr
May 29, 6:17 PM CDTMesoscale DiscussionSPCBenton, Black Hawk, Buchanan, Butler, Cedar, Franklin and 19 more118 min

By county

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

45 more counties

Nearby

Alerts in force nowTornadoes on recordThe radar archive20182020

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.