030  
WGUS75 KVEF 221244  
FFSVEF  
 
FLASH FLOOD STATEMENT  
NATIONAL WEATHER SERVICE LAS VEGAS NV  
444 AM PST FRI DEC 22 2023  
 
CAC071-221415-  
/O.CON.KVEF.FF.W.0146.000000T0000Z-231222T1415Z/  
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/  
SAN BERNARDINO CA-  
444 AM PST FRI DEC 22 2023  
 
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 615 AM PST THIS  
MORNING FOR SOUTHWESTERN SAN BERNARDINO COUNTY...  
 
AT 444 AM PST, CHP REPORTED HEAVY RAIN AND FLOODING IN THE WARNED  
AREA. FLASH FLOODING IS ONGOING OR EXPECTED TO BEGIN SHORTLY.  
 
HAZARD...LIFE-THREATENING FLASH FLOODING. HEAVY RAIN PRODUCING  
FLASH FLOODING.  
 
SOURCE...LAW ENFORCEMENT REPORTED.  
 
IMPACT...LIFE-THREATENING FLASH FLOODING OF LOW-WATER CROSSINGS,  
CREEKS, NORMALLY DRY WASHES AND ROADS.  
 
SOME LOCATIONS THAT WILL EXPERIENCE FLASH FLOODING INCLUDE...  
YUCCA VALLEY, JOSHUA TREE AND MORONGO VALLEY.  
 
FLOODING ON SR-  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
TURN AROUND, DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD  
DEATHS OCCUR IN VEHICLES.  
 
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE  
DANGERS OF FLOODING.  
 
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 3430 11646 3429 11640 3420 11636 3408 11634  
3408 11644 3403 11647 3403 11662 3410 11660  
3414 11647 3421 11644 3426 11644  
 
FLASH FLOOD...OBSERVED  
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE  
 

 
 
AN  
 
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