Alert archive / Louisiana / Severe Thunderstorm Warnings / 2021
Severe Thunderstorm Warnings in Louisiana, March 2021
45 severe thunderstorm warnings 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 severe thunderstorm warnings reaches back to 1986.
Severe Thunderstorm Warnings by county
Each county as a circle sized by its count in March 2021. Tap one for its archive.
- Severe Thunderstorm Warnings
- 45
- Busiest day
- March 17, 202115 severe thunderstorm warnings
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.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 28, 6:44 PM CST | Severe Thunderstorm Warning | SHV | Bossier, Caddo | 31 min |
| Mar 16, 3:27 PM CDT | Severe Thunderstorm Warning | JAN | Franklin, Madison | 48 min |
| Mar 16, 4:16 PM CDT | Severe Thunderstorm Warning | JAN | East Carroll, Madison, Richland, West Carroll | 59 min |
| Mar 16, 4:50 PM CDT | Severe Thunderstorm Warning | JAN | East Carroll | 40 min |
| Mar 16, 6:04 PM CDT | Severe Thunderstorm Warning | SHV | Caldwell, Jackson, Ouachita, Winn | 31 min |
| Mar 17, 8:34 AM CDT | Severe Thunderstorm Warning | SHV | Bossier, Caddo | 56 min |
| Mar 17, 8:40 AM CDT | Severe Thunderstorm Warning | SHV | Caddo | 44 min |
| Mar 17, 9:29 AM CDT | Severe Thunderstorm Warning | SHV | De Soto, Sabine | 61 min |
| Mar 17, 1:24 PM CDT | Severe Thunderstorm Warning | LCH | Acadia, Cameron, Jefferson Davis, Vermilion | 36 min |
| Mar 17, 2:08 PM CDT | Severe Thunderstorm Warning | SHV | Bienville, Jackson, Lincoln, Ouachita, Union | 52 min |
| Mar 17, 2:16 PM CDT | Severe Thunderstorm Warning | SHV | Claiborne, Lincoln, Union | 44 min |
| Mar 17, 3:53 PM CDT | Severe Thunderstorm Warning | LCH | Iberia, Saint Martin, St. Mary | 52 min |
| Mar 17, 3:58 PM CDT | Severe Thunderstorm Warning | LCH | Cameron, Vermilion | 62 min |
| Mar 17, 4:05 PM CDT | Severe Thunderstorm Warning | LIX | Ascension, Assumption, East Baton Rouge, Iberville, Livingston, Saint James and 1 more | 40 min |
| Mar 17, 4:19 PM CDT | Severe Thunderstorm Warning | LCH | Acadia, Cameron, Jefferson Davis, Vermilion | 44 min |
| Mar 17, 4:34 PM CDT | Severe Thunderstorm Warning | JAN | Madison, Tensas | 56 min |
| Mar 17, 4:44 PM CDT | Severe Thunderstorm Warning | LIX | Ascension, East Baton Rouge, Iberville, Livingston, Saint Helena, Tangipahoa | 34 min |
| Mar 17, 5:40 PM CDT | Severe Thunderstorm Warning | LIX | Washington | 31 min |
| Mar 17, 6:21 PM CDT | Severe Thunderstorm Warning | LCH | Iberia, Saint Martin, St. Mary | 39 min |
| Mar 17, 6:27 PM CDT | Severe Thunderstorm Warning | LIX | Ascension, Assumption, Iberville, Lafourche, Saint James, Terrebonne | 63 min |
| Mar 23, 6:40 AM CDT | Severe Thunderstorm Warning | LIX | Pointe Coupee, West Feliciana | 35 min |
| Mar 23, 6:51 AM CDT | Severe Thunderstorm Warning | LCH | Jefferson Davis | 24 min |
| Mar 23, 7:08 AM CDT | Severe Thunderstorm Warning | LCH | Avoyelles, Evangeline, Saint Landry | 37 min |
| Mar 23, 7:09 AM CDT | Severe Thunderstorm Warning | LIX | East Feliciana, Pointe Coupee, West Feliciana | 51 min |
| Mar 23, 7:19 AM CDT | Severe Thunderstorm Warning | LCH | Cameron | 26 min |
| Mar 23, 7:24 AM CDT | Severe Thunderstorm Warning | LCH | Allen, Evangeline | 21 min |
| Mar 23, 7:43 AM CDT | Severe Thunderstorm Warning | LCH | Cameron | 62 min |
| Mar 23, 7:45 AM CDT | Severe Thunderstorm Warning | LCH | Avoyelles, Saint Landry | 30 min |
| Mar 23, 7:47 AM CDT | Severe Thunderstorm Warning | LIX | East Feliciana, West Feliciana | 43 min |
| Mar 23, 8:45 AM CDT | Severe Thunderstorm Warning | LCH | Saint Landry, Saint Martin | 45 min |
| Mar 23, 9:25 AM CDT | Severe Thunderstorm Warning | LCH | Iberia, Lafayette, Saint Martin, Vermilion | 50 min |
| Mar 23, 9:42 AM CDT | Severe Thunderstorm Warning | LIX | East Baton Rouge, Iberville, Livingston, Pointe Coupee, West Baton Rouge | 34 min |
| Mar 23, 10:13 AM CDT | Severe Thunderstorm Warning | LCH | Iberia, Saint Martin | 32 min |
| Mar 23, 11:39 AM CDT | Severe Thunderstorm Warning | LIX | Saint Tammany, Washington | 51 min |
| Mar 23, 11:49 AM CDT | Severe Thunderstorm Warning | LIX | Saint Tammany | 41 min |
| Mar 24, 2:16 AM CDT | Severe Thunderstorm Warning | LIX | Jefferson | 14 min |
| Mar 24, 4:41 AM CDT | Severe Thunderstorm Warning | LIX | Plaquemines | 19 min |
| Mar 24, 9:02 PM CDT | Severe Thunderstorm Warning | LIX | East Feliciana, West Feliciana | 28 min |
| Mar 25, 3:33 PM CDT | Severe Thunderstorm Warning | LIX | Tangipahoa | 27 min |
| Mar 27, 10:23 PM CDT | Severe Thunderstorm Warning | SHV | Claiborne, Union | 67 min |
| Mar 27, 10:39 PM CDT | Severe Thunderstorm Warning | SHV | Bossier, Caddo | 51 min |
| Mar 27, 11:22 PM CDT | Severe Thunderstorm Warning | JAN | Morehouse | 53 min |
| Mar 27, 11:30 PM CDT | Severe Thunderstorm Warning | SHV | Bienville, Bossier, Claiborne, Webster | 45 min |
| Mar 30, 7:00 PM CDT | Severe Thunderstorm Warning | JAN | East Carroll, West Carroll | 60 min |
| Mar 30, 8:54 PM CDT | Severe Thunderstorm Warning | SHV | Union | 36 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Cameron Parish5
- Saint Martin Parish5
- Bossier Parish4
- Caddo Parish4
- Vermilion Parish4
- Union Parish4
- Iberia Parish4
- Iberville Parish4
- West Feliciana Parish4
- Madison Parish3
- East Carroll Parish3
- Jefferson Davis Parish3
- Claiborne Parish3
- Ascension Parish3
- East Baton Rouge Parish3
- Livingston Parish3
- Pointe Coupee Parish3
- Saint Landry Parish3
- East Feliciana Parish3
- West Carroll Parish2
- Jackson Parish2
- Ouachita Parish2
- Acadia Parish2
- Bienville Parish2
- Lincoln Parish2
- St. Mary Parish2
- Assumption Parish2
- Saint James Parish2
- West Baton Rouge Parish2
- Tangipahoa Parish2
- Washington Parish2
- Avoyelles Parish2
- Evangeline Parish2
- Saint Tammany Parish2
- Franklin Parish1
- Richland Parish1
- Caldwell Parish1
- Winn Parish1
- De Soto Parish1
- Sabine Parish1
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.