Tropical Storm Warnings in Louisiana
79 tropical storm warnings since 1986. 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 tropical storm warnings reaches back to 2005.
Tropical Storm Warnings by county
Each county as a circle sized by its count since 1986. Tap one for its archive.
- Tropical Storm Warnings
- 79
- Busiest year
- 202018 tropical storm warnings
- Average year
- 5over 15 years on file
Over time
By year
Before late 2005 the archive holds only tornado, severe thunderstorm, flash flood and marine warnings, and from 1997 SPC's watches, so the jump that year is the archive widening, not the weather.
By month of the year
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Saint Bernard Parish31
- Assumption Parish26
- Saint John the Baptist Parish24
- Cameron Parish15
- Saint James Parish14
- Saint Martin Parish13
- Tangipahoa Parish11
- East Baton Rouge Parish10
- East Feliciana Parish9
- Iberville Parish9
- Lafayette Parish9
- Saint Helena Parish9
- West Baton Rouge Parish9
- Allen Parish8
- Avoyelles Parish8
- Evangeline Parish8
- Pointe Coupee Parish8
- Saint Landry Parish8
- Washington Parish8
- West Feliciana Parish8
- Rapides Parish7
- Beauregard Parish7
- Vernon Parish6
- Caldwell Parish4
- Catahoula Parish4
- Concordia Parish4
- East Carroll Parish4
- Franklin Parish4
- Grant Parish4
- Jackson Parish4
- LaSalle Parish4
- Madison Parish4
- Morehouse Parish4
- Natchitoches Parish4
- Ouachita Parish4
- Richland Parish4
- Tensas Parish4
- West Carroll Parish4
- Winn Parish4
- Orleans Parish4
24 more counties
- Saint Tammany Parish4
- Vermilion Parish4
- Sabine Parish3
- Iberia Parish3
- St. Mary Parish3
- Bienville Parish2
- Lincoln Parish2
- Red River Parish2
- Union Parish2
- Calcasieu Parish2
- Jefferson Parish2
- Plaquemines Parish2
- Bossier Parish1
- Caddo Parish1
- Claiborne Parish1
- De Soto Parish1
- Webster Parish1
- Acadia Parish1
- Ascension Parish1
- Jefferson Davis Parish1
- Livingston Parish1
- Lafourche Parish1
- Saint Charles Parish1
- Terrebonne Parish1
The latest tropical storm warnings
The most recent on file, newest first.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 31, 10:04 AM CDT | Tropical Storm Warning | LCH | Calcasieu, Cameron, Vermilion | 36 hr |
| Jul 22, 3:50 AM CDT | Tropical Storm Warning | LCH | Cameron, Iberia, St. Mary, Vermilion | 44 hr |
| Jul 20, 9:58 PM CDT | Tropical Storm Warning | LIX | Jefferson, Lafourche, Orleans, Plaquemines, Saint Bernard, Saint Charles and 2 more | 60 hr |
| Jun 16, 4:05 PM CDT | Tropical Storm Warning | LCH | Cameron, Iberia, St. Mary, Vermilion | 30 hr |
Nearby
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.