Alert archive / Louisiana / Severe Thunderstorm Warnings / 2011
Severe Thunderstorm Warnings in Louisiana, August 2011
56 severe thunderstorm warnings in August 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 August 2011. Tap one for its archive.
- Severe Thunderstorm Warnings
- 56
- Busiest day
- August 24, 201119 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 |
|---|---|---|---|---|
| Aug 13, 6:04 PM CDT | Severe Thunderstorm Warning | JAN | Madison | 41 min |
| Aug 14, 2:36 PM CDT | Severe Thunderstorm Warning | LCH | Allen | 39 min |
| Aug 14, 3:46 PM CDT | Severe Thunderstorm Warning | LCH | Calcasieu, Cameron | 27 min |
| Aug 14, 4:35 PM CDT | Severe Thunderstorm Warning | LCH | Calcasieu, Jefferson Davis | 25 min |
| Aug 18, 3:21 PM CDT | Severe Thunderstorm Warning | SHV | De Soto, Natchitoches, Red River | 39 min |
| Aug 18, 4:10 PM CDT | Severe Thunderstorm Warning | SHV | Jackson, Lincoln | 35 min |
| Aug 18, 4:19 PM CDT | Severe Thunderstorm Warning | LIX | Washington | 56 min |
| Aug 18, 4:59 PM CDT | Severe Thunderstorm Warning | LIX | Washington | 34 min |
| Aug 18, 5:27 PM CDT | Severe Thunderstorm Warning | SHV | LaSalle | 48 min |
| Aug 18, 5:59 PM CDT | Severe Thunderstorm Warning | JAN | Catahoula, Franklin | 46 min |
| Aug 18, 6:31 PM CDT | Severe Thunderstorm Warning | LCH | Saint Martin, St. Mary | 47 min |
| Aug 18, 7:10 PM CDT | Severe Thunderstorm Warning | LCH | Avoyelles, Saint Landry | 65 min |
| Aug 18, 8:19 PM CDT | Severe Thunderstorm Warning | LCH | Acadia, Allen, Evangeline, Iberia, Jefferson Davis, Lafayette and 3 more | 56 min |
| Aug 18, 9:16 PM CDT | Severe Thunderstorm Warning | LCH | Acadia, Cameron, Iberia, Jefferson Davis, Lafayette, Saint Martin and 2 more | 59 min |
| Aug 19, 7:03 PM CDT | Severe Thunderstorm Warning | LIX | East Baton Rouge, West Baton Rouge | 42 min |
| Aug 19, 7:43 PM CDT | Severe Thunderstorm Warning | LIX | Iberville, Pointe Coupee, West Baton Rouge | 47 min |
| Aug 19, 10:03 PM CDT | Severe Thunderstorm Warning | LCH | Iberia, Lafayette, Saint Martin, Vermilion | 27 min |
| Aug 20, 3:01 PM CDT | Severe Thunderstorm Warning | SHV | Claiborne | 29 min |
| Aug 20, 4:13 PM CDT | Severe Thunderstorm Warning | SHV | Claiborne, Webster | 47 min |
| Aug 20, 4:25 PM CDT | Severe Thunderstorm Warning | SHV | Claiborne, Union | 50 min |
| Aug 20, 4:26 PM CDT | Severe Thunderstorm Warning | JAN | East Carroll, West Carroll | 32 min |
| Aug 20, 5:53 PM CDT | Severe Thunderstorm Warning | SHV | Bossier | 52 min |
| Aug 20, 7:26 PM CDT | Severe Thunderstorm Warning | SHV | Caldwell, Jackson, Ouachita | 49 min |
| Aug 21, 3:14 PM CDT | Severe Thunderstorm Warning | JAN | Morehouse | 61 min |
| Aug 21, 4:42 PM CDT | Severe Thunderstorm Warning | SHV | Claiborne, Union | 23 min |
| Aug 22, 2:38 PM CDT | Severe Thunderstorm Warning | SHV | Webster | 37 min |
| Aug 22, 2:57 PM CDT | Severe Thunderstorm Warning | SHV | Grant, Natchitoches, Winn | 33 min |
| Aug 22, 3:03 PM CDT | Severe Thunderstorm Warning | SHV | Bossier, Caddo, Webster | 27 min |
| Aug 22, 4:12 PM CDT | Severe Thunderstorm Warning | SHV | Jackson, Lincoln | 33 min |
| Aug 22, 4:18 PM CDT | Severe Thunderstorm Warning | SHV | Claiborne, Lincoln, Union | 27 min |
| Aug 22, 4:46 PM CDT | Severe Thunderstorm Warning | SHV | Claiborne, Lincoln, Union | 29 min |
| Aug 23, 4:48 PM CDT | Severe Thunderstorm Warning | JAN | Catahoula, Concordia, Franklin | 42 min |
| Aug 23, 5:42 PM CDT | Severe Thunderstorm Warning | SHV | Bienville, Red River | 48 min |
| Aug 23, 6:04 PM CDT | Severe Thunderstorm Warning | SHV | Caddo | 41 min |
| Aug 23, 6:14 PM CDT | Severe Thunderstorm Warning | SHV | De Soto | 46 min |
| Aug 23, 6:21 PM CDT | Severe Thunderstorm Warning | SHV | LaSalle | 39 min |
| Aug 23, 6:44 PM CDT | Severe Thunderstorm Warning | SHV | Caddo | 46 min |
| Aug 23, 7:01 PM CDT | Severe Thunderstorm Warning | SHV | De Soto, Sabine | 44 min |
| Aug 23, 7:21 PM CDT | Severe Thunderstorm Warning | SHV | Caddo, De Soto | 39 min |
| Aug 23, 8:24 PM CDT | Severe Thunderstorm Warning | SHV | De Soto | 51 min |
| Aug 24, 11:48 AM CDT | Severe Thunderstorm Warning | SHV | Claiborne, Union | 57 min |
| Aug 24, 11:55 AM CDT | Severe Thunderstorm Warning | SHV | Claiborne, Webster | 52 min |
| Aug 24, 11:59 AM CDT | Severe Thunderstorm Warning | SHV | Ouachita | 61 min |
| Aug 24, 12:36 PM CDT | Severe Thunderstorm Warning | SHV | Bienville, Bossier, Claiborne, Jackson, Lincoln, Union and 1 more | 39 min |
| Aug 24, 12:46 PM CDT | Severe Thunderstorm Warning | SHV | Jackson, Lincoln, Ouachita, Union | 59 min |
| Aug 24, 12:58 PM CDT | Severe Thunderstorm Warning | SHV | Ouachita | 27 min |
| Aug 24, 1:08 PM CDT | Severe Thunderstorm Warning | SHV | Bienville, Bossier, Caddo, De Soto, Natchitoches, Red River and 1 more | 52 min |
| Aug 24, 1:49 PM CDT | Severe Thunderstorm Warning | SHV | Bienville, Caddo, De Soto, Grant, Natchitoches, Red River and 2 more | 56 min |
| Aug 24, 2:40 PM CDT | Severe Thunderstorm Warning | SHV | De Soto, Natchitoches, Sabine | 53 min |
| Aug 24, 3:20 PM CDT | Severe Thunderstorm Warning | SHV | Sabine | 55 min |
| Aug 24, 3:36 PM CDT | Severe Thunderstorm Warning | LCH | Rapides, Vernon | 39 min |
| Aug 24, 3:53 PM CDT | Severe Thunderstorm Warning | JAN | Concordia | 67 min |
| Aug 24, 4:10 PM CDT | Severe Thunderstorm Warning | LIX | Saint Tammany | 35 min |
| Aug 24, 4:46 PM CDT | Severe Thunderstorm Warning | LCH | St. Mary | 48 min |
| Aug 24, 5:07 PM CDT | Severe Thunderstorm Warning | LCH | Allen, Evangeline | 53 min |
| Aug 24, 6:18 PM CDT | Severe Thunderstorm Warning | LCH | Lafayette, Vermilion | 42 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Claiborne Parish9
- De Soto Parish8
- Union Parish7
- Lincoln Parish6
- Webster Parish6
- Caddo Parish6
- Natchitoches Parish5
- Jackson Parish5
- Red River Parish4
- Saint Martin Parish4
- Lafayette Parish4
- Vermilion Parish4
- Bossier Parish4
- Ouachita Parish4
- Bienville Parish4
- Sabine Parish4
- Allen Parish3
- Jefferson Davis Parish3
- St. Mary Parish3
- Iberia Parish3
- Calcasieu Parish2
- Cameron Parish2
- Washington Parish2
- LaSalle Parish2
- Catahoula Parish2
- Franklin Parish2
- Saint Landry Parish2
- Acadia Parish2
- Evangeline Parish2
- West Baton Rouge Parish2
- Grant Parish2
- Winn Parish2
- Concordia Parish2
- Madison Parish1
- Avoyelles Parish1
- East Baton Rouge Parish1
- Iberville Parish1
- Pointe Coupee Parish1
- East Carroll Parish1
- West Carroll 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.