California Severe Flash Flood Warning | Effective 08/11/2026 14:33

Headline: 
Flash Flood Warning issued August 11 at 2:33PM PDT until August 11 at 4:15PM PDT by NWS Los Angeles/Oxnard CA
Event: 
Flash Flood Warning
Urgency: 
Immediate
Effective: 
August 11, 2026 - 2:33pm
Expires: 
August 11, 2026 - 4:15pm
Description: 
At 233 PM PDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area are subsiding. Between 1 and 3 inches of rain has fallen. Flash flooding is already occurring, and may continue beyond the end of heavy rains. HAZARD...Flash flooding caused by thunderstorms. Rock slides and mud slides. SOURCE...Trained spotters reported. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. Rock slides and mud slides. Some locations that will experience flash flooding include... Lockwood Valley.
Instruction: 
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.
Area Description: 
Ventura, CA
Forcast Office: 
NWS Los Angeles/Oxnard CA
Sender: 
w-nws.webmaster@noaa.gov