603
WGUS56 KSGX 112054
FFWSGX
CAC065-073-112300-
/O.NEW.KSGX.FF.W.0004.260811T2054Z-260811T2300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN DIEGO CA
ISSUED BY NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA
154 PM PDT TUE AUG 11 2026
THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A
* FLASH FLOOD WARNING FOR...
EXTREME SOUTHEASTERN RIVERSIDE COUNTY IN SOUTHERN CALIFORNIA...
EXTREME NORTHEASTERN SAN DIEGO COUNTY IN SOUTHWESTERN CALIFORNIA...
* UNTIL 400 PM PDT.
* AT 154 PM PDT, DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
HEAVY RAIN ACROSS THE WARNED AREA. THE EXPECTED RAINFALL RATE IS 1
TO 2 INCHES IN 1 HOUR. FLASH FLOODING IS ONGOING OR EXPECTED TO
BEGIN SHORTLY.
HAZARD...LIFE THREATENING FLASH FLOODING. THUNDERSTORMS PRODUCING
FLASH FLOODING.
SOURCE...RADAR INDICATED.
IMPACT...LIFE THREATENING FLASH FLOODING OF CREEKS AND STREAMS,
URBAN AREAS, HIGHWAYS, STREETS AND UNDERPASSES.
* SOME LOCATIONS THAT WILL EXPERIENCE FLASH FLOODING INCLUDE...
THERMAL AND SANTA ROSA MOUNTAIN.
FLOOD WATERS CAN SURGE THROUGH NORMALLY DRY WASHES, FAR AWAY FROM
ONGOING THUNDERSTORM ACTIVITY.
BE AWARE OF RAPIDLY RISING WATERS EVEN OUTSIDE OF HEAVY RAIN AND
THUNDERSTORMS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TURN AROUND, DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
LAT...LON 3343 11637 3354 11643 3359 11630 3354 11617
3348 11608 3342 11609 3337 11611 3333 11620
3338 11634
FLASH FLOOD...RADAR INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE
EXPECTED RAINFALL RATE...1-2 INCHES IN 1 HOUR
COHEN/BLACK
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