861  
FGUS76 KSGX 282220  
ESFSGX  
 
HYDROLOGIC FORECAST FOR EXTREME SOUTHWESTERN CALIFORNIA  
NATIONAL WEATHER SERVICE SAN DIEGO CA  
320 PM PDT THU SEP 28 2023  
   
..FLASH FLOOD POTENTIAL INDEX FOR EXTREME SOUTHWESTERN CALIFORNIA
 
 
   
SYNOPSIS
 
 
LIGHT DRIZZLE IS POSSIBLE FRIDAY MORNING FOR THE COASTAL AREAS AND  
VALLEYS. MORE WIDESPREAD SHOWERS ARE LIKELY SATURDAY AND SUNDAY,  
BUT RAINFALL RATES WILL BE TOO LOW TO PRODUCE ANY FLASH FLOODING.  
 

 
 
CAZ043-048-050-055>058-060>062-065-552-554-291315-  
SAN DIEGO COUNTY COASTAL AREAS-  
SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS-THE INLAND EMPIRE-  
SAN DIEGO COUNTY VALLEYS-SAN BERNARDINO COUNTY MOUNTAINS-  
RIVERSIDE COUNTY MOUNTAINS-SANTA ANA MOUNTAINS AND FOOTHILLS-  
SAN DIEGO COUNTY MOUNTAINS-APPLE AND LUCERNE VALLEYS-  
COACHELLA VALLEY-SAN DIEGO COUNTY DESERTS-  
SAN GORGONIO PASS NEAR BANNING-ORANGE COUNTY COASTAL AREAS-  
ORANGE COUNTY INLAND AREAS-  
INCLUDING THE CITIES OF OCEANSIDE, VISTA, CARLSBAD, ENCINITAS,  
CHULA VISTA, NATIONAL CITY, SAN DIEGO, RIVERSIDE, SAN BERNARDINO,  
ONTARIO, MORENO VALLEY, FONTANA, RANCHO CUCAMONGA, CORONA,  
ESCONDIDO, EL CAJON, SAN MARCOS, LA MESA, SANTEE, POWAY,  
CRESTLINE, LAKE ARROWHEAD, BIG BEAR CITY, BIG BEAR LAKE,  
RUNNING SPRINGS, WRIGHTWOOD, IDYLLWILD-PINE COVE, JULIAN,  
PINE VALLEY, VICTORVILLE, HESPERIA, APPLE VALLEY, LUCERNE VALLEY,  
INDIO, PALM SPRINGS, CATHEDRAL CITY, PALM DESERT,  
PALM DESERT COUNTRY, LA QUINTA, COACHELLA, BORREGO SPRINGS,  
HUNTINGTON BEACH, COSTA MESA, NEWPORT BEACH, LAGUNA BEACH,  
SAN CLEMENTE, SANTA ANA, ANAHEIM, GARDEN GROVE, IRVINE, ORANGE,  
FULLERTON, AND MISSION VIEJO  
320 PM PDT THU SEP 28 2023  
   
TONIGHT...NONE
 
NO FLASH FLOODING IS EXPECTED.    
FRIDAY...NONE
 
NO FLASH FLOODING IS EXPECTED.    
SATURDAY...NONE
 
NO FLASH FLOODING IS EXPECTED.  
 

 
 
SS  
 
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