Alert archive / Louisiana / Flash Flood Warnings in 2025
Flash Flood Warning 17, NWS New Orleans, LA
NWS New Orleans, LA issued this flash flood warning at Apr 21, 2025, 4:22 PM CDT for Jefferson Parish, Orleans Parish, Louisiana. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Apr 21, 2025, 4:22 PM CDT (21:22 UTC)
- Expired
- Apr 21, 2025, 7:03 PM CDT
- In force
- 3 hr
- Issued by
- NWS New Orleans, LA
- Area
- Storm-based polygon
- Flood severity
- None
Counties Jefferson Parish, LA, Orleans Parish, LA
The radar
The Hammond radar (KHDC), 81 km from the middle of the area, began a volume at 21:25 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The office that day
Everything else NWS New Orleans, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 21, 12:10 PM CDT | Areal Flood Advisory | LIX | Jefferson, Orleans | 2 hr |
| Apr 21, 1:22 PM CDT | Special Weather Statement | LIX | Saint Charles | 23 min |
| Apr 21, 1:48 PM CDT | Areal Flood Advisory | LIX | Jefferson, Orleans, Plaquemines | 117 min |
| Apr 21, 2:00 PM CDT | Special Marine Warning | LIX | 45 min | |
| Apr 21, 2:02 PM CDT | Special Weather Statement | LIX | Orleans | 28 min |
| Apr 21, 2:23 PM CDT | Special Weather Statement | LIX | Saint Helena | 52 min |
| Apr 21, 2:31 PM CDT | Areal Flood Advisory | LIX | Jefferson, Orleans, Saint Bernard | 119 min |
| Apr 21, 2:44 PM CDT | Special Marine Warning | LIX | 61 min | |
| Apr 21, 2:50 PM CDT | Flash Flood Warning | LIX | Jefferson, Orleans, Saint Bernard | 4 hr |
| Apr 21, 2:54 PM CDT | Areal Flood Advisory | LIX | Jefferson, Saint Charles | 3 hr |
| Apr 21, 3:16 PM CDT | Flash Flood Warning | LIX | Jefferson, Saint Charles | 2 hr |
| Apr 21, 3:19 PM CDT | Flash Flood Warning | LIX | Jefferson, Orleans | 3 hr |
| Apr 21, 4:06 PM CDT | Flash Flood Warning | LIX | Orleans, Saint Bernard | 3 hr |
| Apr 21, 4:42 PM CDT | Special Weather Statement | LIX | East Feliciana | 33 min |
| Apr 21, 5:02 PM CDT | Areal Flood Advisory | LIX | East Baton Rouge, East Feliciana, Livingston, Saint Helena, Tangipahoa, West Feliciana | 3 hr |
| Apr 21, 5:52 PM CDT | Flash Flood Warning | LIX | East Baton Rouge, East Feliciana, Saint Helena, West Feliciana | 3 hr |
Nearby
Flash Flood Warnings in Louisiana, 2025Every flash flood warning in 2025
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.