Alert archive / Missouri / Mesoscale Discussions / 2023

Mesoscale Discussions in Missouri, May 2023

31 mesoscale discussions in May 2023. 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 2023. Tap one for its archive.

Mesoscale Discussions
31
Busiest day
May 7, 20235 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 6, 3:20 PM CDTMesoscale DiscussionSPCAdair, Andrew, Atchison, Caldwell, Chariton, Daviess and 17 more2 hr
May 6, 6:25 PM CDTMesoscale DiscussionSPCAdair, Daviess, Gentry, Grundy, Harrison, Linn and 5 more95 min
May 6, 8:12 PM CDTMesoscale DiscussionSPCClark, Knox, Lewis, Marion, Monroe, Pike and 3 more93 min
May 6, 11:24 PM CDTMesoscale DiscussionSPCMarion, Ralls, Shelby96 min
May 7, 1:37 AM CDTMesoscale DiscussionSPCClark113 min
May 7, 6:02 PM CDTMesoscale DiscussionSPCAndrew, Atchison, Buchanan, Gentry, Holt, Nodaway and 1 more88 min
May 7, 6:10 PM CDTMesoscale DiscussionSPCSaint Louis, City of Saint Louis2 hr
May 7, 9:00 PM CDTMesoscale DiscussionSPCAndrew, Atchison, Daviess, DeKalb, Gentry, Harrison and 4 more2 hr
May 7, 11:51 PM CDTMesoscale DiscussionSPCAndrew, Buchanan, Caldwell, Clay, Clinton, Daviess and 3 more114 min
May 8, 2:07 AM CDTMesoscale DiscussionSPCAudrain, Benton, Boone, Callaway, Camden, Cole and 17 more113 min
May 8, 2:16 PM CDTMesoscale DiscussionSPCBarton, Bollinger, Camden, Cape Girardeau, Cedar, Crawford and 33 more59 min
May 8, 5:36 PM CDTMesoscale DiscussionSPCBarry, Barton, Bollinger, Butler, Camden, Cape Girardeau and 44 more84 min
May 8, 9:05 PM CDTMesoscale DiscussionSPCBarry, Barton, Bollinger, Butler, Camden, Cape Girardeau and 44 more115 min
May 9, 2:44 PM CDTMesoscale DiscussionSPCBarton, Cedar, Christian, Dade, Greene, Jasper and 5 more91 min
May 9, 3:53 PM CDTMesoscale DiscussionSPCBarton, Vernon97 min
May 9, 5:56 PM CDTMesoscale DiscussionSPCBarton, Bates, Jasper, Newton, Vernon94 min
May 9, 9:01 PM CDTMesoscale DiscussionSPCDouglas, Howell, Laclede, Shannon, Texas, Webster and 1 more119 min
May 12, 12:17 PM CDTMesoscale DiscussionSPCAtchison118 min
May 12, 6:00 PM CDTMesoscale DiscussionSPCAtchison90 min
May 12, 7:12 PM CDTMesoscale DiscussionSPCAndrew, Atchison, Buchanan, Holt, Nodaway93 min
May 13, 11:26 AM CDTMesoscale DiscussionSPCAudrain, Lincoln, Marion, Monroe, Montgomery, Pike and 5 more2 hr
May 13, 12:01 PM CDTMesoscale DiscussionSPCAdair, Clark, Knox, Lewis, Macon, Putnam and 3 more119 min
May 13, 2:38 PM CDTMesoscale DiscussionSPCJefferson, Saint Charles, Saint Louis, City of Saint Louis2 hr
May 13, 6:09 PM CDTMesoscale DiscussionSPCIron, Jefferson, Madison, Perry, Sainte Genevieve, Saint Francois2 hr
May 14, 11:57 AM CDTMesoscale DiscussionSPCBarry, Barton, Camden, Cedar, Christian, Dade and 23 more4 hr
May 14, 12:43 PM CDTMesoscale DiscussionSPCAudrain, Boone, Callaway, Carroll, Chariton, Franklin and 17 more3 hr
May 14, 5:47 PM CDTMesoscale DiscussionSPCAudrain, Franklin, Jefferson, Lincoln, Montgomery, Perry and 7 more88 min
May 15, 12:16 PM CDTMesoscale DiscussionSPCBarry, Barton, Bollinger, Butler, Camden, Carter and 41 more2 hr
May 15, 5:02 PM CDTMesoscale DiscussionSPCButler, Dunklin, Mississippi, New Madrid, Pemiscot, Scott and 1 more118 min
May 30, 2:12 PM CDTMesoscale DiscussionSPCAtchison, Holt2 hr
May 30, 5:20 PM CDTMesoscale DiscussionSPCBuchanan115 min

By county

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

70 more counties

Nearby

Alerts in force nowTornadoes on recordThe radar archive20222024

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.