Alert archive / Louisiana / Severe Thunderstorm Warnings / 2011
Severe Thunderstorm Warnings in Louisiana, December 2011
9 severe thunderstorm warnings in December 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 December 2011. Tap one for its archive.
- Severe Thunderstorm Warnings
- 9
- Busiest day
- December 22, 20118 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 20, 7:29 AM CST | Severe Thunderstorm Warning | LCH | Beauregard | 61 min |
| Dec 22, 4:19 AM CST | Severe Thunderstorm Warning | LCH | Beauregard, Calcasieu, Cameron, Vernon | 56 min |
| Dec 22, 7:35 AM CST | Severe Thunderstorm Warning | LCH | Iberia, Saint Martin, St. Mary | 55 min |
| Dec 22, 7:38 AM CST | Severe Thunderstorm Warning | LIX | Ascension, Assumption, East Baton Rouge, East Feliciana, Iberville, Livingston and 5 more | 52 min |
| Dec 22, 8:28 AM CST | Severe Thunderstorm Warning | LIX | East Feliciana, Saint Helena | 36 min |
| Dec 22, 8:57 AM CST | Severe Thunderstorm Warning | LIX | Ascension, Assumption, Iberville, Lafourche, Livingston, Saint James and 2 more | 63 min |
| Dec 22, 9:07 AM CST | Severe Thunderstorm Warning | LIX | Ascension, Livingston, Saint Helena, Saint John the Baptist, Saint Tammany, Tangipahoa and 1 more | 53 min |
| Dec 22, 9:52 AM CST | Severe Thunderstorm Warning | LIX | Jefferson, Lafourche, Livingston, Orleans, Saint Charles, Saint James and 3 more | 53 min |
| Dec 22, 11:04 AM CST | Severe Thunderstorm Warning | LIX | Saint Tammany, Washington | 40 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Livingston Parish4
- Ascension Parish3
- Saint Helena Parish3
- Saint James Parish3
- Saint John the Baptist Parish3
- Saint Tammany Parish3
- Beauregard Parish2
- Assumption Parish2
- East Feliciana Parish2
- Iberville Parish2
- Lafourche Parish2
- Tangipahoa Parish2
- Washington Parish2
- Calcasieu Parish1
- Cameron Parish1
- Vernon Parish1
- Iberia Parish1
- Saint Martin Parish1
- St. Mary Parish1
- East Baton Rouge Parish1
- Pointe Coupee Parish1
- West Baton Rouge Parish1
- West Feliciana Parish1
- Terrebonne Parish1
- Jefferson Parish1
- Orleans Parish1
- Saint Charles 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.