Flash Flood Warnings in Louisiana
3,644 flash flood 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 flash flood warnings reaches back to 1986.
Flash Flood Warnings by county
Each county as a circle sized by its count since 1986. Tap one for its archive.
- Flash Flood Warnings
- 3,644
- Busiest year
- 2024249 flash flood warnings
- Average year
- 89over 41 years on file
Over time
By year
Before October 2007 these were issued for whole counties, and a storm crossing three counties was often three warnings; since then one polygon follows the storm. The count changed with the practice, not only with 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.
- Jefferson Parish288
- Calcasieu Parish287
- Orleans Parish259
- Caddo Parish234
- Bossier Parish232
- Saint Tammany Parish232
- Beauregard Parish216
- Saint Martin Parish209
- Saint Landry Parish209
- De Soto Parish202
- Rapides Parish191
- Lafayette Parish191
- Saint Charles Parish189
- Evangeline Parish187
- Jefferson Davis Parish185
- Allen Parish183
- East Baton Rouge Parish179
- Natchitoches Parish176
- Saint Bernard Parish174
- Vernon Parish172
- Acadia Parish170
- Livingston Parish168
- Bienville Parish156
- Webster Parish154
- Iberia Parish151
- Winn Parish149
- Plaquemines Parish149
- Morehouse Parish146
- Avoyelles Parish145
- Sabine Parish143
- Lafourche Parish142
- Tangipahoa Parish141
- Richland Parish139
- Vermilion Parish139
- Red River Parish138
- Ouachita Parish136
- Ascension Parish129
- Tensas Parish128
- Madison Parish127
- West Carroll Parish126
24 more counties
- Iberville Parish124
- East Carroll Parish122
- West Baton Rouge Parish120
- Franklin Parish117
- Jackson Parish114
- Claiborne Parish114
- Union Parish114
- Saint John the Baptist Parish114
- Cameron Parish111
- Washington Parish107
- Concordia Parish106
- Lincoln Parish101
- St. Mary Parish97
- Caldwell Parish94
- Grant Parish94
- East Feliciana Parish93
- Saint Helena Parish92
- Pointe Coupee Parish91
- Catahoula Parish90
- Saint James Parish88
- West Feliciana Parish84
- Terrebonne Parish83
- Assumption Parish74
- LaSalle Parish57
The latest flash flood warnings
The most recent on file, newest first.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 10, 1:55 PM CDT | Flash Flood Warning | LIX | Jefferson, Orleans, Plaquemines | 2 hr |
| Sep 10, 12:08 PM CDT | Flash Flood Warning | LIX | Livingston, Saint Helena, Tangipahoa | 2 hr |
| Sep 10, 6:33 AM CDT | Flash Flood Warning | LIX | Jefferson | 117 min |
| Sep 5, 5:30 PM CDT | Flash Flood Warning | LIX | Jefferson, Orleans | 49 min |
| Sep 5, 3:46 PM CDT | Flash Flood Warning | LCH | Beauregard, Vernon | 72 min |
| Sep 5, 11:03 AM CDT | Flash Flood Warning | LIX | Jefferson, Orleans | 92 min |
| Sep 4, 6:22 AM CDT | Flash Flood Warning | LIX | Jefferson, Orleans | 3 hr |
| Aug 21, 3:18 PM CDT | Flash Flood Warning | LIX | Jefferson, Orleans, Plaquemines | 118 min |
| Aug 2, 8:03 AM CDT | Flash Flood Warning | LIX | Assumption | 89 min |
| Jul 14, 6:59 AM CDT | Flash Flood Warning | LCH | Calcasieu | 4 hr |
| Jul 14, 4:51 AM CDT | Flash Flood Warning | LCH | Lafayette | 4 hr |
| Jul 13, 6:41 PM CDT | Flash Flood Warning | SHV | Caddo | 3 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. Rebuilt daily.