Alert archive / Louisiana / Mesoscale Discussions / 2021

Mesoscale Discussions in Louisiana, May 2021

23 mesoscale discussions in May 2021. 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 2021. Tap one for its archive.

Mesoscale Discussions
23
Busiest day
May 4, 20214 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 2, 1:47 PM CDTMesoscale DiscussionSPCAllen, Beauregard, Bienville, Caldwell, Catahoula, Grant and 8 more88 min
May 2, 3:33 PM CDTMesoscale DiscussionSPCAvoyelles, Caldwell, Catahoula, Concordia, East Carroll, Franklin and 5 more117 min
May 4, 6:44 AM CDTMesoscale DiscussionSPCBienville, Bossier, Caddo, Claiborne, De Soto, Lincoln and 3 more2 hr
May 4, 8:33 AM CDTMesoscale DiscussionSPCAvoyelles, Caldwell, Catahoula, Concordia, East Carroll, East Feliciana and 14 more117 min
May 4, 12:16 PM CDTMesoscale DiscussionSPCCaldwell, Catahoula, Concordia, East Carroll, Franklin, Grant and 9 more89 min
May 4, 4:46 PM CDTMesoscale DiscussionSPCSaint Tammany, Tangipahoa, Washington89 min
May 9, 12:14 PM CDTMesoscale DiscussionSPCBienville, Bossier, Caddo, Caldwell, Claiborne, De Soto and 13 more91 min
May 9, 3:42 PM CDTMesoscale DiscussionSPCBossier, Caddo, Claiborne, Webster93 min
May 9, 3:53 PM CDTMesoscale DiscussionSPCMadison, Tensas2 hr
May 9, 5:41 PM CDTMesoscale DiscussionSPCBienville, Bossier, Caddo, Caldwell, Catahoula, Claiborne and 22 more2 hr
May 9, 9:32 PM CDTMesoscale DiscussionSPCCatahoula, Concordia, East Carroll, Franklin, Madison, Richland and 2 more118 min
May 10, 5:22 PM CDTMesoscale DiscussionSPCCaldwell, Catahoula, Concordia, Franklin, Grant, Jackson and 3 more2 hr
May 11, 4:37 PM CDTMesoscale DiscussionSPCBeauregard, Calcasieu83 min
May 11, 6:36 PM CDTMesoscale DiscussionSPCBeauregard, Vernon84 min
May 11, 8:33 PM CDTMesoscale DiscussionSPCAcadia, Allen, Ascension, Assumption, Beauregard, Calcasieu and 12 more87 min
May 17, 9:18 AM CDTMesoscale DiscussionSPCAcadia, Allen, Avoyelles, Beauregard, Calcasieu, Cameron and 7 more117 min
May 17, 2:55 PM CDTMesoscale DiscussionSPCAcadia, Cameron, Iberia, Jefferson Davis, Lafayette, Saint Martin and 2 more2 hr
May 17, 6:25 PM CDTMesoscale DiscussionSPCAcadia, Ascension, Assumption, Iberia, Iberville, Lafayette and 7 more65 min
May 18, 3:10 AM CDTMesoscale DiscussionSPCJefferson, Lafourche, Orleans, Saint Charles, Saint John the Baptist, Saint Tammany and 1 more95 min
May 18, 2:30 PM CDTMesoscale DiscussionSPCBossier, Caddo2 hr
May 18, 10:39 PM CDTMesoscale DiscussionSPCAcadia, Allen, Beauregard, Calcasieu, Cameron, Evangeline and 7 more96 min
May 19, 11:34 PM CDTMesoscale DiscussionSPCAcadia, Assumption, Cameron, Iberia, Iberville, Jefferson Davis and 5 more86 min
May 25, 4:40 PM CDTMesoscale DiscussionSPCBienville, Bossier, Claiborne, De Soto, Lincoln, Red River and 1 more65 min

By county

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

20 more counties

Nearby

Alerts in force nowTornadoes on recordThe radar archive20202022

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.