NWS New Orleans LAFF.W 0110August 21, 2026
Flash Flood Warning: Jefferson, Orleans and Plaquemines, LA
The National Weather Service office in New Orleans issued a flash flood warning for Jefferson, Orleans and Plaquemines in Louisiana, which was in force until 6:15 p.m. local time on August 21. It was the 110th flash flood warning the NWS office in New Orleans issued in 2026. Louisiana had 2 flash flood warnings in August 2026, against 18 in an average August of 2008-2025 (Louisiana's flash flood warnings by year).
ExpiredWarning
In force for 3 hours; it has expired. The agency may have replaced it with a new notice.
The notice
- Issued by
- National Weather Service, New Orleans LA
- Area
- Jefferson, Orleans and Plaquemines
- State
- Louisiana
- Level
- Warning
- Issued
- 3:18 p.m. CDT, August 21, 2026
- Expires
- 6:15 p.m. CDT, August 21, 2026
- CAP severity, certainty, urgency
- Severe, Likely, Immediate
- VTEC event
- KLIX FF.W 0110
- Official source
- National Weather Service: the notice at its source
Source: National Weather Service: the notice at its source. AreaZine rebuilds this page from the agency's record; the agency's page is the one to act on. A U.S. Government work, in the public domain.
The notice as issued
FFWLIX The National Weather Service in New Orleans has issued a * Flash Flood Warning for... Northeastern Jefferson Parish in southeastern Louisiana... Southwestern Orleans Parish in southeastern Louisiana... Northwestern Plaquemines Parish in southeastern Louisiana... * Until 615 PM CDT. * At 318 PM CDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar indicated. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. * Some locations that will experience flash flooding include... Timberlane, Harvey, Belle Chasse, Marrero, Gretna, Terrytown, Woodmere and Estelle.
What the agency told people to do
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.
Source: National Weather Service: the notice at its source. The text is the agency's, unedited. A U.S. Government work, in the public domain.