Alert archive / Louisiana / Flash Flood Warnings / 2021
Flash Flood Warnings in Louisiana, April 2021
18 flash flood warnings in April 2021. 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 in April 2021. Tap one for its archive.
- Flash Flood Warnings
- 18
- Busiest day
- April 10, 20219 flash flood 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 |
|---|---|---|---|---|
| Apr 8, 3:42 AM CDT | Flash Flood Warning | LIX | Jefferson, Orleans, Saint Charles | 5 hr |
| Apr 9, 7:35 PM CDT | Flash Flood Warning | SHV | Caldwell, Jackson, Lincoln, Ouachita, Union, Winn | 3 hr |
| Apr 10, 12:01 AM CDT | Flash Flood Warning | JAN | Concordia | 3 hr |
| Apr 10, 2:14 AM CDT | Flash Flood Warning | JAN | Catahoula | 3 hr |
| Apr 10, 2:53 AM CDT | Flash Flood Warning | JAN | Concordia | 118 min |
| Apr 10, 4:40 AM CDT | Flash Flood Warning | LIX | Saint Tammany, Tangipahoa, Washington | 3 hr |
| Apr 10, 5:16 AM CDT | Flash Flood Warning | LIX | Orleans | 3 hr |
| Apr 10, 5:24 AM CDT | Flash Flood Warning | LIX | Saint Bernard | 3 hr |
| Apr 10, 6:29 AM CDT | Flash Flood Warning | LIX | Lafourche, Terrebonne | 89 min |
| Apr 10, 6:33 AM CDT | Flash Flood Warning | LIX | Jefferson, Plaquemines | 105 min |
| Apr 13, 12:53 PM CDT | Flash Flood Warning | LCH | Iberia, Lafayette, Saint Martin, St. Mary, Vermilion | 6 hr |
| Apr 13, 1:54 PM CDT | Flash Flood Warning | LIX | Jefferson | 111 min |
| Apr 13, 2:07 PM CDT | Flash Flood Warning | LIX | Saint Charles | 83 min |
| Apr 13, 2:47 PM CDT | Flash Flood Warning | LCH | Iberia, Saint Martin, St. Mary | 4 hr |
| Apr 15, 12:10 AM CDT | Flash Flood Warning | LIX | Saint Tammany | 2 hr |
| Apr 15, 12:49 AM CDT | Flash Flood Warning | LIX | Saint Tammany | 106 min |
| Apr 16, 11:46 PM CDT | Flash Flood Warning | LIX | East Baton Rouge, Livingston, Saint Helena, Tangipahoa | 3 hr |
| Apr 17, 1:25 PM CDT | Flash Flood Warning | LIX | Jefferson, Orleans, Plaquemines, Saint Bernard | 3 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Jefferson Parish4
- Orleans Parish3
- Saint Tammany Parish3
- Saint Charles Parish2
- Concordia Parish2
- Tangipahoa Parish2
- Saint Bernard Parish2
- Plaquemines Parish2
- Iberia Parish2
- Saint Martin Parish2
- St. Mary Parish2
- Caldwell Parish1
- Jackson Parish1
- Lincoln Parish1
- Ouachita Parish1
- Union Parish1
- Winn Parish1
- Catahoula Parish1
- Washington Parish1
- Lafourche Parish1
- Terrebonne Parish1
- Lafayette Parish1
- Vermilion Parish1
- East Baton Rouge Parish1
- Livingston Parish1
- Saint Helena Parish1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20202022
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.