591  
WGUS55 KPSR 252240  
FFWPSR  
CAC065-071-260245-  
/O.NEW.KPSR.FF.W.0024.250825T2240Z-250826T0245Z/  
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/  
 
BULLETIN - EAS ACTIVATION REQUESTED  
FLASH FLOOD WARNING  
NATIONAL WEATHER SERVICE PHOENIX AZ  
340 PM PDT MON AUG 25 2025  
 
THE NATIONAL WEATHER SERVICE IN PHOENIX HAS ISSUED A  
 
* FLASH FLOOD WARNING FOR...  
RIVERSIDE COUNTY IN SOUTHERN CALIFORNIA...  
SAN BERNARDINO COUNTY IN SOUTHERN CALIFORNIA...  
 
* UNTIL 745 PM PDT.  
 
* AT 340 PM PDT, DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING  
HEAVY RAIN ACROSS THE WARNED AREA. BETWEEN 1 AND 1.5 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...  
MAINLY RURAL AREAS OF RIVERSIDE AND SAN BERNARDINO COUNTIES  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
TURN AROUND, DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD  
DEATHS OCCUR IN VEHICLES.  
 
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 3412 11626 3412 11605 3411 11605 3411 11604  
3408 11604 3408 11600 3405 11600 3403 11603  
3404 11588 3390 11580 3382 11594 3403 11624  
3408 11627  
 
FLASH FLOOD...RADAR INDICATED  
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE  
 

 
 
INS  
 
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