Alert archive / Missouri / Mesoscale Discussions / 2011

Mesoscale Discussions in Missouri, May 2011

72 mesoscale discussions in May 2011. 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 2011. Tap one for its archive.

Mesoscale Discussions
72
Busiest day
May 25, 201116 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
Apr 30, 7:49 PM CDTMesoscale DiscussionSPCBollinger, Butler, Cape Girardeau, Dunklin, Mississippi, New Madrid and 5 more56 min
May 1, 1:16 AM CDTMesoscale DiscussionSPCDunklin, Pemiscot59 min
May 1, 7:31 PM CDTMesoscale DiscussionSPCRipley59 min
May 7, 3:40 AM CDTMesoscale DiscussionSPCBarton, Bates, Benton, Camden, Cass, Cedar and 31 more95 min
May 11, 8:09 AM CDTMesoscale DiscussionSPCAdair, Grundy, Knox, Linn, Macon, Mercer and 4 more66 min
May 11, 2:18 PM CDTMesoscale DiscussionSPCLincoln, Pike, Saint Charles, Saint Louis, City of Saint Louis57 min
May 11, 3:38 PM CDTMesoscale DiscussionSPCClark, Schuyler, Scotland2 hr
May 11, 3:57 PM CDTMesoscale DiscussionSPCAndrew, Atchison, Barton, Bates, Benton, Buchanan and 27 more48 min
May 11, 6:17 PM CDTMesoscale DiscussionSPCAdair, Grundy, Knox, Macon, Mercer, Putnam and 3 more28 min
May 11, 6:35 PM CDTMesoscale DiscussionSPCBarry, Christian, Dade, Greene, Jasper, Lawrence and 4 more55 min
May 11, 8:16 PM CDTMesoscale DiscussionSPCAtchison, Holt, Nodaway59 min
May 12, 1:46 PM CDTMesoscale DiscussionSPCMcDonald, Newton119 min
May 12, 4:54 PM CDTMesoscale DiscussionSPCBates, Benton, Boone, Buchanan, Caldwell, Camden and 25 more66 min
May 12, 6:30 PM CDTMesoscale DiscussionSPCBarry, Christian, Douglas, Greene, Jasper, Lawrence and 5 more90 min
May 12, 9:16 PM CDTMesoscale DiscussionSPCAtchison59 min
May 12, 9:41 PM CDTMesoscale DiscussionSPCDent, Douglas, Howell, Oregon, Ozark, Shannon and 3 more64 min
May 12, 10:09 PM CDTMesoscale DiscussionSPCBollinger, Butler, Carter, Crawford, Dent, Dunklin and 18 more66 min
May 13, 12:01 PM CDTMesoscale DiscussionSPCButler, Dunklin, Mississippi, New Madrid, Pemiscot, Ripley and 2 more89 min
May 13, 2:44 PM CDTMesoscale DiscussionSPCDunklin, Mississippi, New Madrid, Pemiscot, Scott2 hr
May 13, 4:40 PM CDTMesoscale DiscussionSPCLincoln, Saint Charles, Saint Louis, City of Saint Louis95 min
May 20, 9:11 AM CDTMesoscale DiscussionSPCBarry, Barton, Bates, Buchanan, Caldwell, Carroll and 20 more2 hr
May 21, 12:51 PM CDTMesoscale DiscussionSPCAtchison114 min
May 21, 2:33 PM CDTMesoscale DiscussionSPCAndrew, Atchison, Buchanan, Clay, Clinton, DeKalb and 4 more87 min
May 21, 5:25 PM CDTMesoscale DiscussionSPCAdair, Andrew, Atchison, Buchanan, Caldwell, Carroll and 27 more65 min
May 21, 6:07 PM CDTMesoscale DiscussionSPCAtchison53 min
May 21, 7:18 PM CDTMesoscale DiscussionSPCAndrew, Buchanan, Caldwell, Carroll, Chariton, Clay and 23 more57 min
May 21, 8:55 PM CDTMesoscale DiscussionSPCAtchison65 min
May 22, 4:41 AM CDTMesoscale DiscussionSPCAdair, Audrain, Boone, Clark, Knox, Lewis and 9 more2 hr
May 22, 5:18 AM CDTMesoscale DiscussionSPCDunklin, Pemiscot57 min
May 22, 10:53 AM CDTMesoscale DiscussionSPCAdair, Audrain, Bates, Benton, Boone, Caldwell and 36 more2 hr
May 22, 1:06 PM CDTMesoscale DiscussionSPCBarry, Barton, Benton, Camden, Cedar, Christian and 24 more114 min
May 22, 3:48 PM CDTMesoscale DiscussionSPCBarry, Barton, Bates, Benton, Camden, Cedar and 27 more117 min
May 22, 6:10 PM CDTMesoscale DiscussionSPCBarry, Barton, Bates, Benton, Camden, Cedar and 27 more65 min
May 22, 7:52 PM CDTMesoscale DiscussionSPCBarry, Barton, Bates, Benton, Callaway, Camden and 53 more53 min
May 22, 10:24 PM CDTMesoscale DiscussionSPCBollinger, Butler, Cape Girardeau, Madison, Perry, Sainte Genevieve and 2 more66 min
May 22, 11:46 PM CDTMesoscale DiscussionSPCDunklin, Pemiscot89 min
May 23, 5:07 AM CDTMesoscale DiscussionSPCBarry, Barton, Carter, Cedar, Christian, Dade and 24 more113 min
May 23, 5:41 AM CDTMesoscale DiscussionSPCBarton, Bates, Cedar, Dade, Hickory, Jasper and 5 more94 min
May 23, 7:38 AM CDTMesoscale DiscussionSPCBarry, Barton, Bates, Benton, Camden, Cedar and 17 more97 min
May 23, 10:34 AM CDTMesoscale DiscussionSPCBarry, Barton, Bollinger, Butler, Camden, Carter and 37 more86 min
May 23, 12:12 PM CDTMesoscale DiscussionSPCBarry, Camden, Carter, Christian, Dade, Dallas and 24 more93 min
May 23, 12:37 PM CDTMesoscale DiscussionSPCCity of Saint Louis83 min
May 23, 1:16 PM CDTMesoscale DiscussionSPCButler, Dunklin, New Madrid, Pemiscot, Ripley89 min
May 23, 3:58 PM CDTMesoscale DiscussionSPCBollinger, Butler, Cape Girardeau, Carter, Dunklin, Iron and 12 more92 min
May 24, 9:18 AM CDTMesoscale DiscussionSPCBates, Cass, Jackson, Vernon87 min
May 24, 1:35 PM CDTMesoscale DiscussionSPCAudrain, Boone, Caldwell, Callaway, Carroll, Chariton and 24 more25 min
May 24, 4:55 PM CDTMesoscale DiscussionSPCAudrain, Boone, Callaway, Cole, Franklin, Gasconade and 16 more65 min
May 24, 7:07 PM CDTMesoscale DiscussionSPCAndrew, Barton, Bates, Buchanan, Cass, Cedar and 14 more53 min
May 24, 7:42 PM CDTMesoscale DiscussionSPCMcDonald63 min
May 24, 11:24 PM CDTMesoscale DiscussionSPCBenton, Camden, Christian, Cooper, Dallas, Douglas and 15 more96 min
May 25, 12:48 AM CDTMesoscale DiscussionSPCAudrain, Bollinger, Boone, Butler, Callaway, Cape Girardeau and 46 more57 min
May 25, 4:58 AM CDTMesoscale DiscussionSPCCrawford, Dent, Franklin, Iron, Jefferson, Reynolds and 7 more92 min
May 25, 7:31 AM CDTMesoscale DiscussionSPCBollinger, Butler, Cape Girardeau, Dunklin, Mississippi, New Madrid and 4 more59 min
May 25, 9:54 AM CDTMesoscale DiscussionSPCBenton, Butler, Camden, Carter, Christian, Dallas and 24 more96 min
May 25, 10:18 AM CDTMesoscale DiscussionSPCCarter, Dent, Howell, Iron, Jefferson, Madison and 6 more57 min
May 25, 11:02 AM CDTMesoscale DiscussionSPCBollinger, Butler, Cape Girardeau, Carter, Crawford, Dent and 17 more28 min
May 25, 11:52 AM CDTMesoscale DiscussionSPCDunklin, Pemiscot83 min
May 25, 1:28 PM CDTMesoscale DiscussionSPCAdair, Audrain, Boone, Caldwell, Callaway, Camden and 44 more92 min
May 25, 2:32 PM CDTMesoscale DiscussionSPCAudrain, Lincoln, Marion, Monroe, Montgomery, Pike and 2 more58 min
May 25, 2:56 PM CDTMesoscale DiscussionSPCDunklin, Pemiscot94 min
May 25, 3:10 PM CDTMesoscale DiscussionSPCBollinger, Butler, Cape Girardeau, Carter, Madison, Mississippi and 9 more95 min
May 25, 5:56 PM CDTMesoscale DiscussionSPCDunklin, Pemiscot64 min
May 25, 6:25 PM CDTMesoscale DiscussionSPCBollinger, Butler, Cape Girardeau, Mississippi, Perry, Scott and 2 more2 hr
May 28, 2:50 AM CDTMesoscale DiscussionSPCBarton, Bates, Benton, Cass, Cedar, Dade and 7 more85 min
May 28, 6:06 AM CDTMesoscale DiscussionSPCBarton, Bates, Benton, Camden, Cedar, Cole and 13 more84 min
May 28, 12:15 PM CDTMesoscale DiscussionSPCAdair, Audrain, Boone, Caldwell, Carroll, Chariton and 22 more90 min
May 28, 5:39 PM CDTMesoscale DiscussionSPCLincoln, Saint Charles, Saint Louis, Warren, City of Saint Louis66 min
May 28, 6:34 PM CDTMesoscale DiscussionSPCBarton, Vernon116 min
May 29, 1:41 AM CDTMesoscale DiscussionSPCAdair, Andrew, Atchison, Audrain, Buchanan, Caldwell and 34 more2 hr
May 29, 8:39 AM CDTMesoscale DiscussionSPCClark, Putnam, Schuyler, Scotland66 min
May 29, 4:36 PM CDTMesoscale DiscussionSPCAtchison, Holt, Nodaway24 min
May 31, 12:59 PM CDTMesoscale DiscussionSPCLincoln, Pike, Ralls3 hr

By county

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

75 more counties

Nearby

Alerts in force nowTornadoes on recordThe radar archive20102012

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.