Alert archive / Louisiana / Severe Thunderstorm Warnings / 2011
Severe Thunderstorm Warnings in Louisiana, September 2011
41 severe thunderstorm warnings in September 2011. 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 September 2011. Tap one for its archive.
- Severe Thunderstorm Warnings
- 41
- Busiest day
- September 28, 201120 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 |
|---|---|---|---|---|
| Sep 18, 3:57 PM CDT | Severe Thunderstorm Warning | SHV | Bossier, Caddo | 33 min |
| Sep 18, 9:48 PM CDT | Severe Thunderstorm Warning | SHV | Bossier, Caddo, Webster | 57 min |
| Sep 18, 10:03 PM CDT | Severe Thunderstorm Warning | SHV | Bossier, Caddo | 57 min |
| Sep 18, 10:46 PM CDT | Severe Thunderstorm Warning | SHV | Bossier, Caddo, Claiborne, De Soto, Webster | 59 min |
| Sep 22, 4:17 PM CDT | Severe Thunderstorm Warning | SHV | Claiborne, Webster | 43 min |
| Sep 22, 4:55 PM CDT | Severe Thunderstorm Warning | LIX | East Baton Rouge, Livingston | 39 min |
| Sep 22, 5:38 PM CDT | Severe Thunderstorm Warning | SHV | Union | 67 min |
| Sep 25, 9:36 PM CDT | Severe Thunderstorm Warning | JAN | East Carroll, West Carroll | 54 min |
| Sep 25, 9:44 PM CDT | Severe Thunderstorm Warning | JAN | Morehouse | 76 min |
| Sep 25, 10:28 PM CDT | Severe Thunderstorm Warning | JAN | East Carroll, West Carroll | 77 min |
| Sep 25, 11:28 PM CDT | Severe Thunderstorm Warning | SHV | Union | 62 min |
| Sep 28, 1:56 PM CDT | Severe Thunderstorm Warning | LIX | Washington | 64 min |
| Sep 28, 2:35 PM CDT | Severe Thunderstorm Warning | LIX | Washington | 55 min |
| Sep 28, 2:50 PM CDT | Severe Thunderstorm Warning | JAN | Concordia | 55 min |
| Sep 28, 3:15 PM CDT | Severe Thunderstorm Warning | LIX | Livingston, Saint Tammany, Tangipahoa | 45 min |
| Sep 28, 3:20 PM CDT | Severe Thunderstorm Warning | LIX | Washington | 25 min |
| Sep 28, 3:20 PM CDT | Severe Thunderstorm Warning | LIX | East Baton Rouge, Livingston, West Baton Rouge | 40 min |
| Sep 28, 3:34 PM CDT | Severe Thunderstorm Warning | LIX | Washington | 56 min |
| Sep 28, 3:39 PM CDT | Severe Thunderstorm Warning | LIX | Iberville, Pointe Coupee, West Baton Rouge | 27 min |
| Sep 28, 3:43 PM CDT | Severe Thunderstorm Warning | JAN | Concordia | 47 min |
| Sep 28, 3:45 PM CDT | Severe Thunderstorm Warning | LIX | Saint Tammany, Washington | 60 min |
| Sep 28, 3:47 PM CDT | Severe Thunderstorm Warning | LIX | Saint Tammany | 58 min |
| Sep 28, 3:56 PM CDT | Severe Thunderstorm Warning | LIX | Saint Tammany, Tangipahoa | 64 min |
| Sep 28, 4:51 PM CDT | Severe Thunderstorm Warning | LIX | Iberville, Pointe Coupee, West Baton Rouge | 39 min |
| Sep 28, 4:56 PM CDT | Severe Thunderstorm Warning | LIX | East Feliciana, Saint Helena | 49 min |
| Sep 28, 5:33 PM CDT | Severe Thunderstorm Warning | LIX | Iberville, Pointe Coupee, West Baton Rouge | 42 min |
| Sep 28, 5:38 PM CDT | Severe Thunderstorm Warning | LIX | East Feliciana, Livingston, Saint Helena, Tangipahoa | 67 min |
| Sep 28, 5:50 PM CDT | Severe Thunderstorm Warning | SHV | Grant, Natchitoches, Winn | 55 min |
| Sep 28, 6:06 PM CDT | Severe Thunderstorm Warning | LIX | East Feliciana, West Feliciana | 39 min |
| Sep 28, 6:26 PM CDT | Severe Thunderstorm Warning | LCH | Avoyelles, Rapides | 34 min |
| Sep 28, 6:42 PM CDT | Severe Thunderstorm Warning | LCH | Saint Landry, Saint Martin | 33 min |
| Sep 28, 7:04 PM CDT | Severe Thunderstorm Warning | LCH | Avoyelles, Rapides | 26 min |
| Sep 28, 7:08 PM CDT | Severe Thunderstorm Warning | LCH | Rapides | 52 min |
| Sep 28, 7:24 PM CDT | Severe Thunderstorm Warning | LIX | Iberville, West Baton Rouge | 36 min |
| Sep 28, 7:57 PM CDT | Severe Thunderstorm Warning | LCH | Rapides | 33 min |
| Sep 28, 8:01 PM CDT | Severe Thunderstorm Warning | LCH | Avoyelles, Saint Landry | 29 min |
| Sep 28, 8:37 PM CDT | Severe Thunderstorm Warning | LCH | Evangeline, Rapides | 23 min |
| Sep 28, 8:49 PM CDT | Severe Thunderstorm Warning | LCH | Avoyelles, Evangeline, Rapides, Saint Landry | 26 min |
| Sep 29, 12:29 AM CDT | Severe Thunderstorm Warning | LCH | Allen, Evangeline | 37 min |
| Sep 29, 1:39 AM CDT | Severe Thunderstorm Warning | LCH | Allen, Jefferson Davis | 36 min |
| Sep 29, 3:09 PM CDT | Severe Thunderstorm Warning | LCH | Cameron | 51 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Rapides Parish6
- Washington Parish5
- West Baton Rouge Parish5
- Bossier Parish4
- Caddo Parish4
- Livingston Parish4
- Saint Tammany Parish4
- Iberville Parish4
- Avoyelles Parish4
- Webster Parish3
- Tangipahoa Parish3
- Pointe Coupee Parish3
- East Feliciana Parish3
- Saint Landry Parish3
- Evangeline Parish3
- Claiborne Parish2
- East Baton Rouge Parish2
- Union Parish2
- East Carroll Parish2
- West Carroll Parish2
- Concordia Parish2
- Saint Helena Parish2
- Allen Parish2
- De Soto Parish1
- Morehouse Parish1
- Grant Parish1
- Natchitoches Parish1
- Winn Parish1
- West Feliciana Parish1
- Saint Martin Parish1
- Jefferson Davis Parish1
- Cameron Parish1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20102012
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.