Elevated North America

NWS / NOAA weather: Flash Flood Warning issued August 21 at 3:18PM CDT until August 21 at 6:15PM CDT by NWS New Orleans LA

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.

Severity
Severe (4/5) · CAP Severe
This month
1290th Weather alert at severity 4+ in the last 30 days
Source: NWS / NOAA weather

Understanding Global Threats

Browse All Topics & Pages

Complete sitemap with all intelligence resources

View Sitemap →

Related Preparedness Gear

Be prepared for evolving situations

Global Conflict Map

Live snapshot of conflict locations and tension zones worldwide.

Last update on: August 21, 2026

Keep Exploring