Alert archive / Missouri / Mesoscale Discussions / 2009

Mesoscale Discussions in Missouri, May 2009

43 mesoscale discussions in May 2009. 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 2009. Tap one for its archive.

Mesoscale Discussions
43
Busiest day
May 8, 20098 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 1, 3:00 AM CDTMesoscale DiscussionSPCBarry, Christian, Douglas, Greene, Howell, Jasper and 10 more2 hr
May 1, 6:08 AM CDTMesoscale DiscussionSPCBarry, McDonald, Newton, Stone, Taney67 min
May 1, 3:21 PM CDTMesoscale DiscussionSPCBarry, Butler, Carter, Dunklin, Howell, McDonald and 9 more54 min
May 1, 6:11 PM CDTMesoscale DiscussionSPCDunklin, Pemiscot64 min
May 1, 9:36 PM CDTMesoscale DiscussionSPCMcDonald, Ozark, Taney84 min
May 7, 1:12 PM CDTMesoscale DiscussionSPCAndrew, Atchison, Buchanan, Caldwell, Clay, Clinton and 14 more93 min
May 7, 3:55 PM CDTMesoscale DiscussionSPCAdair, Andrew, Atchison, Buchanan, Caldwell, Carroll and 21 more65 min
May 7, 5:42 PM CDTMesoscale DiscussionSPCAdair, Andrew, Atchison, Audrain, Buchanan, Caldwell and 30 more2 hr
May 7, 5:56 PM CDTMesoscale DiscussionSPCLewis, Marion, Ralls64 min
May 7, 9:38 PM CDTMesoscale DiscussionSPCAudrain, Benton, Bollinger, Boone, Callaway, Camden and 34 more97 min
May 7, 11:46 PM CDTMesoscale DiscussionSPCBollinger, Cape Girardeau, Cole, Crawford, Dent, Franklin and 23 more89 min
May 8, 3:34 AM CDTMesoscale DiscussionSPCMississippi56 min
May 8, 4:31 AM CDTMesoscale DiscussionSPCBarry, Barton, Cedar, Christian, Dade, Dallas and 11 more59 min
May 8, 7:17 AM CDTMesoscale DiscussionSPCBarry, Barton, Christian, Dade, Douglas, Greene and 10 more58 min
May 8, 8:37 AM CDTMesoscale DiscussionSPCBollinger, Butler, Cape Girardeau, Dunklin, Madison, Mississippi and 6 more53 min
May 8, 11:08 AM CDTMesoscale DiscussionSPCChristian, Douglas, Howell, Ozark, Taney, Texas and 1 more67 min
May 8, 2:16 PM CDTMesoscale DiscussionSPCDunklin, New Madrid, Pemiscot, Ripley89 min
May 8, 7:30 PM CDTMesoscale DiscussionSPCDunklin, Pemiscot90 min
May 8, 10:04 PM CDTMesoscale DiscussionSPCButler, Dunklin, Mississippi, New Madrid, Pemiscot, Ripley and 1 more86 min
May 9, 2:22 AM CDTMesoscale DiscussionSPCDunklin53 min
May 12, 1:22 PM CDTMesoscale DiscussionSPCAndrew, Atchison, Barton, Bates, Buchanan, Caldwell and 26 more53 min
May 13, 9:27 AM CDTMesoscale DiscussionSPCAdair, Audrain, Carroll, Chariton, Clark, Knox and 15 more63 min
May 13, 1:15 PM CDTMesoscale DiscussionSPCCrawford, Dent, Franklin, Iron, Jefferson, Madison and 10 more30 min
May 13, 1:52 PM CDTMesoscale DiscussionSPCAdair, Audrain, Bates, Benton, Boone, Caldwell and 55 more23 min
May 13, 5:47 PM CDTMesoscale DiscussionSPCAdair, Carroll, Chariton, Clark, Knox, Lewis and 12 more88 min
May 13, 6:30 PM CDTMesoscale DiscussionSPCBarton, Bates, Benton, Carroll, Cass, Cooper and 11 more90 min
May 13, 7:05 PM CDTMesoscale DiscussionSPCAudrain, Clark, Knox, Lewis, Macon, Marion and 5 more85 min
May 13, 8:22 PM CDTMesoscale DiscussionSPCBarry, Barton, Benton, Camden, Cedar, Christian and 30 more53 min
May 13, 8:35 PM CDTMesoscale DiscussionSPCClark, Knox, Lewis, Macon, Marion, Monroe and 3 more85 min
May 13, 11:27 PM CDTMesoscale DiscussionSPCBarry, Bollinger, Butler, Camden, Cape Girardeau, Carter and 48 more93 min
May 15, 2:03 AM CDTMesoscale DiscussionSPCAdair, Andrew, Atchison, Audrain, Boone, Buchanan and 35 more87 min
May 15, 7:14 AM CDTMesoscale DiscussionSPCAndrew, Atchison, Buchanan, Caldwell, Clinton, Daviess and 9 more91 min
May 15, 11:48 AM CDTMesoscale DiscussionSPCAdair, Andrew, Atchison, Buchanan, Caldwell, Carroll and 24 more57 min
May 15, 3:01 PM CDTMesoscale DiscussionSPCCarroll, Chariton, Clay, Platte, Ray, Saline59 min
May 15, 3:43 PM CDTMesoscale DiscussionSPCAdair, Andrew, Audrain, Boone, Buchanan, Caldwell and 32 more62 min
May 15, 5:31 PM CDTMesoscale DiscussionSPCAudrain, Boone, Callaway, Carroll, Cass, Chariton and 22 more119 min
May 15, 8:14 PM CDTMesoscale DiscussionSPCSaint Louis, City of Saint Louis2 hr
May 15, 10:39 PM CDTMesoscale DiscussionSPCCrawford, Dade, Dent, Iron, Laclede, Madison and 6 more2 hr
May 15, 10:55 PM CDTMesoscale DiscussionSPCBarry, Christian, Greene, Lawrence, McDonald, Newton and 1 more2 hr
May 24, 6:19 PM CDTMesoscale DiscussionSPCDunklin116 min
May 25, 12:32 PM CDTMesoscale DiscussionSPCBollinger, Cape Girardeau, Carter, Crawford, Dent, Franklin and 19 more88 min
May 27, 1:49 PM CDTMesoscale DiscussionSPCBollinger, Butler, Cape Girardeau, Carter, Dunklin, Howell and 13 more116 min
May 29, 3:17 PM CDTMesoscale DiscussionSPCPike88 min

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 archive20082010

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.