Alert archive / Louisiana / Mesoscale Discussions / 2021

Mesoscale Discussions in Louisiana, March 2021

22 mesoscale discussions in March 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 March 2021. Tap one for its archive.

Mesoscale Discussions
22
Busiest day
March 17, 20217 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
Feb 28, 9:01 PM CSTMesoscale DiscussionSPCBienville, Bossier, Caddo, Claiborne, De Soto, Lincoln and 3 more89 min
Mar 16, 3:48 PM CDTMesoscale DiscussionSPCCaldwell, East Carroll, Franklin, Jackson, Madison, Morehouse and 4 more117 min
Mar 17, 1:32 AM CDTMesoscale DiscussionSPCBienville, Bossier, Caddo, Claiborne, De Soto, Jackson and 6 more118 min
Mar 17, 4:04 AM CDTMesoscale DiscussionSPCBossier, Caddo86 min
Mar 17, 6:40 AM CDTMesoscale DiscussionSPCBossier, Caddo, Claiborne, Webster95 min
Mar 17, 11:35 AM CDTMesoscale DiscussionSPCAllen, Beauregard, Bienville, Calcasieu, Cameron, De Soto and 8 more85 min
Mar 17, 12:15 PM CDTMesoscale DiscussionSPCCaldwell, Catahoula, East Carroll, Franklin, Jackson, LaSalle and 9 more90 min
Mar 17, 1:45 PM CDTMesoscale DiscussionSPCAscension, Assumption, East Baton Rouge, East Feliciana, Iberia, Iberville and 18 more90 min
Mar 17, 2:56 PM CDTMesoscale DiscussionSPCCaldwell, Catahoula, Concordia, East Carroll, Franklin, Grant and 7 more94 min
Mar 17, 7:26 PM CDTMesoscale DiscussionSPCJefferson, Lafourche, Orleans, Saint Bernard, Saint Charles, Terrebonne94 min
Mar 23, 7:05 AM CDTMesoscale DiscussionSPCAcadia, Avoyelles, Cameron, Concordia, Evangeline, Jefferson Davis and 4 more85 min
Mar 23, 9:41 AM CDTMesoscale DiscussionSPCAscension, Assumption, East Baton Rouge, Iberia, Iberville, Lafourche and 10 more2 hr
Mar 24, 9:25 PM CDTMesoscale DiscussionSPCAscension, Avoyelles, Caldwell, Catahoula, Concordia, East Baton Rouge and 24 more65 min
Mar 25, 10:58 AM CDTMesoscale DiscussionSPCMadison3 hr
Mar 25, 11:00 AM CDTMesoscale DiscussionSPCAscension, Assumption, East Baton Rouge, Livingston, Orleans, Saint Charles and 6 more2 hr
Mar 27, 2:16 PM CDTMesoscale DiscussionSPCBossier, Caddo, Claiborne, De Soto, Lincoln, Union and 1 more89 min
Mar 27, 6:42 PM CDTMesoscale DiscussionSPCBossier, Caddo, Claiborne, Webster2 hr
Mar 27, 7:44 PM CDTMesoscale DiscussionSPCBienville61 min
Mar 27, 10:30 PM CDTMesoscale DiscussionSPCBienville, Bossier, Caddo, Claiborne, De Soto, Jackson and 4 more2 hr
Mar 30, 5:46 PM CDTMesoscale DiscussionSPCBienville, Caldwell, Catahoula, Claiborne, Concordia, East Carroll and 16 more119 min
Mar 30, 6:47 PM CDTMesoscale DiscussionSPCBienville, Bossier, Caddo, Claiborne, De Soto, Red River and 1 more2 hr
Mar 30, 9:55 PM CDTMesoscale DiscussionSPCEast Carroll, Morehouse, West Carroll2 hr

By county

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

22 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.