727  
WGUS56 KSGX 112153  
FFWSGX  
CAC073-112300-  
/O.NEW.KSGX.FF.W.0006.260811T2153Z-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  
253 PM PDT TUE AUG 11 2026  
 
THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A  
 
* FLASH FLOOD WARNING FOR...  
A SMALL PORTION OF CENTRAL SAN DIEGO COUNTY IN SOUTHWESTERN  
CALIFORNIA...  
 
* UNTIL 400 PM PDT.  
 
* AT 253 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...  
JULIAN, HWY 78 BETWEEN BANNER AND S2, CUYAMACA RANCHO STATE PARK,  
HWY 79 BETWEEN JULIAN AND LAKE CUYAMACA, LAKE CUYAMACA, HWY S1  
BETWEEN LAKE CUYAMACA AND MOUNT LAGUNA, HWY S2 BETWEEN HWY 79 AND  
HWY 78 AND BANNER.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
TURN AROUND, DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD  
DEATHS OCCUR IN VEHICLES.  
 
IN HILLY TERRAIN THERE ARE HUNDREDS OF LOW WATER CROSSINGS WHICH ARE  
POTENTIALLY DANGEROUS IN HEAVY RAIN. DO NOT ATTEMPT TO CROSS FLOODED  
ROADS. FIND AN ALTERNATE ROUTE.  
 
 
 
LAT...LON 3315 11664 3317 11646 3295 11646 3295 11663  
 
FLASH FLOOD...RADAR INDICATED  
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE  
EXPECTED RAINFALL RATE...1-2 INCHES IN 1 HOUR  
 
 
 
LUND/COHEN  
CLICK HERE TO GO TO PREVIOUS BULLETINS.
The Nexlab CA Page
Main Text Page