444  
WGUS86 KSGX 042125  
FLSSGX  
 
FLOOD ADVISORY  
NATIONAL WEATHER SERVICE SAN DIEGO CA  
225 PM PDT THU SEP 4 2025  
 
CAC065-042300-  
/O.CON.KSGX.FA.Y.0043.000000T0000Z-250904T2249Z/  
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/  
RIVERSIDE CA-  
225 PM PDT THU SEP 4 2025  
 
...FLOOD ADVISORY REMAINS IN EFFECT UNTIL 349 PM PDT THIS  
AFTERNOON...  
 
* WHAT...FLOODING CAUSED BY EXCESSIVE RAINFALL CONTINUES.  
 
* WHERE...A PORTION OF SOUTHWEST CALIFORNIA, INCLUDING THE FOLLOWING  
COUNTY, RIVERSIDE.  
 
* WHEN...UNTIL 349 PM PDT.  
 
* IMPACTS...MINOR FLOODING IN LOW-LYING AND POOR DRAINAGE AREAS.  
WATER OVER ROADWAYS.  
 
* ADDITIONAL DETAILS...  
- AT 225 PM PDT, DOPPLER RADAR INDICATED HEAVY RAIN DUE TO  
THUNDERSTORMS. MINOR FLOODING IS ONGOING OR EXPECTED TO BEGIN  
SHORTLY IN THE ADVISORY AREA.  
- ADDITIONAL RAINFALL AMOUNTS UP TO 0.25 INCHES ARE EXPECTED  
OVER THE AREA. THIS ADDITIONAL RAIN WILL RESULT IN MINOR  
FLOODING.  
- SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...  
SOUTHEASTERN PALM SPRINGS, ANZA, HWY 74 BETWEEN ANZA AND PALM  
DESERT, HWY 74 BETWEEN MOUNTAIN CENTER AND ANZA, CAHUILLA  
INDIAN RESERVATION AND SANTA ROSA MOUNTAIN.  
- HTTPS://WWW.WEATHER.GOV/SAFETY/FLOOD  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
TURN AROUND, DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD  
DEATHS OCCUR IN VEHICLES.  
 

 
 
LAT...LON 3360 11637 3345 11648 3353 11668 3359 11669  
3369 11661  
 

 
 
SS  
 
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