Alert archive / Missouri / Mesoscale Discussions / 2026

Mesoscale Discussions in Missouri, May 2026

22 mesoscale discussions in May 2026. 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 2026. Tap one for its archive.

Mesoscale Discussions
22
Busiest day
May 18, 20265 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 3, 8:49 PM CDTMesoscale DiscussionSPCAudrain, Boone, Callaway, Carroll, Chariton, Cole and 32 more116 min
May 4, 6:34 PM CDTMesoscale DiscussionSPCAdair, Audrain, Benton, Boone, Caldwell, Callaway and 36 more86 min
May 4, 8:53 PM CDTMesoscale DiscussionSPCBarton, Bates, Cass, Cedar, Clay, Henry and 6 more2 hr
May 5, 1:01 AM CDTMesoscale DiscussionSPCBarry, McDonald119 min
May 8, 3:01 PM CDTMesoscale DiscussionSPCAudrain, Barton, Bates, Benton, Boone, Callaway and 36 more119 min
May 16, 3:20 PM CDTMesoscale DiscussionSPCAtchison, Caldwell, Carroll, Chariton, Daviess, Gentry and 8 more85 min
May 16, 6:46 PM CDTMesoscale DiscussionSPCAdair, Daviess, Gentry, Grundy, Harrison, Linn and 6 more89 min
May 16, 8:58 PM CDTMesoscale DiscussionSPCAdair, Caldwell, Daviess, DeKalb, Gentry, Grundy and 6 more92 min
May 17, 12:33 AM CDTMesoscale DiscussionSPCAndrew, Atchison, Buchanan, Caldwell, Clinton, Daviess and 12 more87 min
May 17, 9:30 PM CDTMesoscale DiscussionSPCAndrew, Atchison, Gentry, Harrison, Holt, Mercer and 2 more90 min
May 18, 6:51 AM CDTMesoscale DiscussionSPCAudrain, Callaway, Cole, Franklin, Gasconade, Jefferson and 11 more84 min
May 18, 11:59 AM CDTMesoscale DiscussionSPCHolt2 hr
May 18, 3:29 PM CDTMesoscale DiscussionSPCAndrew, Atchison, Buchanan, Clinton, Daviess, DeKalb and 6 more2 hr
May 18, 5:45 PM CDTMesoscale DiscussionSPCAndrew, Atchison, Holt, Nodaway2 hr
May 18, 8:54 PM CDTMesoscale DiscussionSPCBates, Buchanan, Caldwell, Carroll, Cass, Clay and 17 more3 hr
May 19, 2:01 AM CDTMesoscale DiscussionSPCBarry, Barton, Cedar, Christian, Dade, Dallas and 9 more119 min
May 19, 12:31 PM CDTMesoscale DiscussionSPCBollinger, Cape Girardeau, Madison, Mississippi, New Madrid, Pemiscot and 4 more119 min
May 22, 5:24 PM CDTMesoscale DiscussionSPCAtchison2 hr
May 30, 3:10 PM CDTMesoscale DiscussionSPCBarry, Barton, Cedar, Christian, Dade, Douglas and 12 more2 hr
May 31, 11:54 AM CDTMesoscale DiscussionSPCBarton, Camden, Christian, Crawford, Dade, Dallas and 23 more3 hr
May 31, 2:30 PM CDTMesoscale DiscussionSPCBollinger, Butler, Cape Girardeau, Madison, Mississippi, New Madrid and 5 more2 hr
May 31, 4:52 PM CDTMesoscale DiscussionSPCButler, Dunklin, Mississippi, New Madrid, Pemiscot, Ripley and 1 more113 min

By county

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

71 more counties

Nearby

Alerts in force nowTornadoes on recordThe radar archive2025

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.