Alert archive / Louisiana / Severe Thunderstorm Warnings / 2021
Severe Thunderstorm Warnings in Louisiana, December 2021
18 severe thunderstorm warnings in December 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 December 2021. Tap one for its archive.
- Severe Thunderstorm Warnings
- 18
- Busiest day
- December 6, 202110 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 |
|---|---|---|---|---|
| Dec 6, 10:33 AM CST | Severe Thunderstorm Warning | SHV | Grant, Natchitoches | 42 min |
| Dec 6, 10:40 AM CST | Severe Thunderstorm Warning | LCH | Rapides | 35 min |
| Dec 6, 12:21 PM CST | Severe Thunderstorm Warning | LIX | East Feliciana, Saint Helena | 54 min |
| Dec 6, 12:46 PM CST | Severe Thunderstorm Warning | LIX | Tangipahoa, Washington | 59 min |
| Dec 6, 1:29 PM CST | Severe Thunderstorm Warning | LIX | Saint Helena, Tangipahoa, Washington | 61 min |
| Dec 6, 1:44 PM CST | Severe Thunderstorm Warning | LIX | Livingston, Saint Helena | 61 min |
| Dec 6, 1:54 PM CST | Severe Thunderstorm Warning | LIX | Saint Helena, Tangipahoa | 66 min |
| Dec 6, 2:21 PM CST | Severe Thunderstorm Warning | LIX | Saint Tammany, Washington | 39 min |
| Dec 6, 2:30 PM CST | Severe Thunderstorm Warning | LIX | Livingston, Saint Tammany, Tangipahoa | 60 min |
| Dec 6, 3:09 PM CST | Severe Thunderstorm Warning | LIX | Saint Tammany | 66 min |
| Dec 10, 10:53 PM CST | Severe Thunderstorm Warning | SHV | Caddo | 67 min |
| Dec 10, 11:56 PM CST | Severe Thunderstorm Warning | SHV | Bossier, Caddo | 49 min |
| Dec 11, 12:09 AM CST | Severe Thunderstorm Warning | SHV | Bossier, Caddo, Claiborne, Webster | 51 min |
| Dec 18, 12:52 PM CST | Severe Thunderstorm Warning | LCH | Beauregard, Calcasieu, Vernon | 38 min |
| Dec 18, 1:30 PM CST | Severe Thunderstorm Warning | LCH | Allen, Beauregard, Calcasieu, Jefferson Davis, Vernon | 49 min |
| Dec 18, 1:32 PM CST | Severe Thunderstorm Warning | LCH | Calcasieu, Cameron | 58 min |
| Dec 18, 2:20 PM CST | Severe Thunderstorm Warning | LCH | Calcasieu, Cameron, Jefferson Davis | 25 min |
| Dec 29, 1:33 PM CST | Severe Thunderstorm Warning | SHV | Claiborne, Webster | 42 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Saint Helena Parish4
- Tangipahoa Parish4
- Calcasieu Parish4
- Washington Parish3
- Saint Tammany Parish3
- Caddo Parish3
- Livingston Parish2
- Bossier Parish2
- Claiborne Parish2
- Webster Parish2
- Beauregard Parish2
- Vernon Parish2
- Jefferson Davis Parish2
- Cameron Parish2
- Grant Parish1
- Natchitoches Parish1
- Rapides Parish1
- East Feliciana Parish1
- Allen 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.