328  
WGUS55 KPSR 042225  
FFWPSR  
CAC025-065-050230-  
/O.NEW.KPSR.FF.W.0035.250904T2225Z-250905T0230Z/  
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/  
 
BULLETIN - EAS ACTIVATION REQUESTED  
FLASH FLOOD WARNING  
NATIONAL WEATHER SERVICE PHOENIX AZ  
325 PM PDT THU SEP 4 2025  
 
THE NATIONAL WEATHER SERVICE IN PHOENIX HAS ISSUED A  
 
* FLASH FLOOD WARNING FOR...  
NORTHEASTERN IMPERIAL COUNTY IN SOUTHEASTERN CALIFORNIA...  
RIVERSIDE COUNTY IN SOUTHERN CALIFORNIA...  
 
* UNTIL 730 PM PDT.  
 
* AT 325 PM PDT, DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING  
HEAVY RAIN ACROSS THE WARNED AREA. BETWEEN 0.25 AND 0.75 INCHES OF  
RAIN HAVE FALLEN. ADDITIONAL RAINFALL AMOUNTS UP TO 1 INCH ARE  
POSSIBLE IN THE WARNED AREA. FLASH FLOODING IS ONGOING OR EXPECTED  
TO BEGIN SHORTLY.  
 
HAZARD...LIFE THREATENING FLASH FLOODING. THUNDERSTORMS  
PRODUCING FLASH FLOODING.  
 
SOURCE...RADAR.  
 
IMPACT...LIFE THREATENING FLASH FLOODING OF CREEKS AND STREAMS,  
URBAN AREAS, HIGHWAYS, STREETS AND UNDERPASSES.  
 
* SOME LOCATIONS THAT WILL EXPERIENCE FLASH FLOODING INCLUDE...  
PALO VERDE AND CIBOLA.  
 
THIS INCLUDES CA ROUTE 78 BETWEEN MILE MARKERS 65 AND 74.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
TURN AROUND, DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD  
DEATHS OCCUR IN VEHICLES.  
 
BE AWARE OF YOUR SURROUNDINGS AND DO NOT DRIVE ON FLOODED ROADS.  
 
FLOODING IS OCCURRING OR IS IMMINENT. IT IS IMPORTANT TO KNOW WHERE  
YOU ARE RELATIVE TO STREAMS, RIVERS, OR CREEKS WHICH CAN BECOME  
KILLERS IN HEAVY RAINS. CAMPERS AND HIKERS SHOULD AVOID STREAMS OR  
CREEKS.  
 

 
 
LAT...LON 3349 11506 3348 11485 3345 11464 3341 11466  
3342 11469 3341 11470 3340 11473 3339 11471  
3336 11470 3334 11470 3332 11471 3330 11473  
3329 11472 3328 11473 3324 11479 3324 11494  
3333 11510 3344 11523  
 
FLASH FLOOD...RADAR INDICATED  
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE  
 

 
 
KB  
 
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