Alert archive / Louisiana / Flash Flood Warnings in 2025
Flash Flood Warning 39, NWS New Orleans, LA
NWS New Orleans, LA issued this flash flood warning at Jul 7, 2025, 2:37 PM CDT for Jefferson Parish, Orleans Parish, Louisiana. It was in force for 82 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jul 7, 2025, 2:37 PM CDT (19:37 UTC)
- Expired
- Jul 7, 2025, 3:59 PM CDT
- In force
- 82 min
- 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 19:39 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 nearest sounding before it
Slidell Radar S, LA (KSIL), launched 12:00Z, 7.6 hours before the alert went out and 51 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 1674 J/kg
- Mixed-layer CIN
- -16 J/kg
- Mixed-layer LCL
- 858 m above ground
- 0-6 km bulk shear
- 6 kt
- 0-1 km storm-relative helicity
- 11 m²/s²
- 0-3 km storm-relative helicity
- 24 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The office that day
Everything else NWS New Orleans, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 7, 12:55 PM CDT | Special Weather Statement | LIX | East Baton Rouge | 35 min |
| Jul 7, 1:09 PM CDT | Special Marine Warning | LIX | 23 min | |
| Jul 7, 1:51 PM CDT | Areal Flood Advisory | LIX | Jefferson, Orleans, Saint Bernard | 106 min |
| Jul 7, 2:01 PM CDT | Special Weather Statement | LIX | Saint John the Baptist | 29 min |
| Jul 7, 2:22 PM CDT | Areal Flood Advisory | LIX | Jefferson, Orleans, Saint Charles | 79 min |
| Jul 7, 3:25 PM CDT | Special Weather Statement | LIX | Washington | 35 min |
| Jul 7, 3:40 PM CDT | Special Weather Statement | LIX | West Baton Rouge | 35 min |
| Jul 7, 3:46 PM CDT | Severe Thunderstorm Warning | LIX | East Baton Rouge, West Baton Rouge | 19 min |
| Jul 7, 3:59 PM CDT | Areal Flood Advisory | LIX | Jefferson, Orleans | 31 min |
| Jul 7, 6:17 PM CDT | Special Weather Statement | LIX | Saint Helena | 28 min |
| Jul 7, 4:44 PM CDT | Special Weather Statement | LIX | Pike | 31 min |
| Jul 7, 5:14 PM CDT | Special Weather Statement | LIX | Pike | 31 min |
| Jul 7, 5:20 PM CDT | Areal Flood Advisory | LIX | Pike, Walthall | 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.