297  
WGUS85 KVEF 112336  
FLSVEF  
 
FLOOD ADVISORY  
NATIONAL WEATHER SERVICE LAS VEGAS NV  
436 PM PDT TUE AUG 11 2026  
 
CAC071-120115-  
/O.CON.KVEF.FA.Y.0057.000000T0000Z-260812T0115Z/  
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/  
SAN BERNARDINO CA-  
436 PM PDT TUE AUG 11 2026  
   
..FLOOD ADVISORY REMAINS IN EFFECT UNTIL 615 PM PDT THIS EVENING
 
 
* WHAT...FLOODING CAUSED BY EXCESSIVE RAINFALL CONTINUES.  
 
* WHERE...SAN BERNARDINO COUNTY IN SOUTHERN CALIFORNIA...  
 
* WHEN...UNTIL 615 PM PDT.  
 
* IMPACTS...MINOR FLOODING IN LOW-LYING AND POOR DRAINAGE AREAS. SOME  
LOW-WATER CROSSINGS MAY BECOME IMPASSABLE.  
 
* ADDITIONAL DETAILS...  
- AT 436 PM PDT, DOPPLER RADAR INDICATED HEAVY RAIN DUE TO  
THUNDERSTORMS. MINOR FLOODING IS ONGOING OR EXPECTED TO BEGIN  
SHORTLY IN THE ADVISORY AREA. BETWEEN 1 AND 2 INCHES OF RAIN HAVE  
FALLEN.  
- FLOODING IMPACTS WILL CONTINUE, BUT NO ADDITIONAL RAINFALL IS  
EXPECTED.  
- SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...  
BARSTOW, DAGGETT, OWL CANYON CAMPGROUND AND NEBO CENTER.  
- HTTP://WWW.WEATHER.GOV/SAFETY/FLOOD  
 
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.  
 
PLEASE REPORT OBSERVED FLOODING TO LOCAL EMERGENCY SERVICES OR LAW  
ENFORCEMENT AND REQUEST THEY PASS THIS INFORMATION TO THE NATIONAL  
WEATHER SERVICE WHEN YOU CAN DO SO SAFELY.  
 

 
 
LAT...LON 3517 11697 3508 11713 3490 11702 3478 11695  
3477 11673 3499 11675  
 

 
 
JP  
 
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