California Severe Flash Flood Warning | Effective 08/09/2026 18:28

Headline: 
Flash Flood Warning issued August 9 at 6:28PM PDT until August 9 at 7:30PM PDT by NWS San Diego CA
Event: 
Flash Flood Warning
Urgency: 
Immediate
Effective: 
August 9, 2026 - 6:28pm
Expires: 
August 9, 2026 - 7:30pm
Description: 
At 628 PM PDT, Doppler radar indicated thunderstorms that produced heavy rain, but they have weakened considerably. Flash flooding is still likely as runoff continues in low-lying areas. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar. 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... Hwy 78 Between Banner And S2, Hwy 78 Between S2 And Borrego Springs Rd, Hwy S2 Between Hwy 79 And Hwy 78 and Shelter Valley.
Instruction: 
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.
Area Description: 
San Diego, CA
Forcast Office: 
NWS San Diego CA
Sender: 
w-nws.webmaster@noaa.gov