377  
WGUS66 KSGX 312041  
FFASGX  
 
FLOOD WATCH  
NATIONAL WEATHER SERVICE SAN DIEGO CA  
141 PM PDT SUN MAR 31 2024  
 
CAZ043-048-050-055>058-552-554-010100-  
/O.CON.KSGX.FA.A.0005.000000T0000Z-240401T0100Z/  
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/  
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-ORANGE COUNTY  
COASTAL AREAS-ORANGE COUNTY INLAND AREAS-  
INCLUDING THE CITIES OF VISTA, SAN DIEGO, RANCHO CUCAMONGA,  
GARDEN GROVE, BIG BEAR LAKE, NATIONAL CITY, SAN CLEMENTE, MISSION  
VIEJO, PINE VALLEY, CRESTLINE, SAN BERNARDINO, SANTEE, ORANGE,  
OCEANSIDE, FULLERTON, FONTANA, ONTARIO, CHULA VISTA, NEWPORT  
BEACH, CARLSBAD, EL CAJON, IDYLLWILD-PINE COVE, POWAY, LAKE  
ARROWHEAD, ANAHEIM, SAN MARCOS, COSTA MESA, JULIAN, LAGUNA BEACH,  
BIG BEAR CITY, MORENO VALLEY, ENCINITAS, IRVINE, LA MESA,  
WRIGHTWOOD, RUNNING SPRINGS, CORONA, HUNTINGTON BEACH, ESCONDIDO,  
SANTA ANA, AND RIVERSIDE  
141 PM PDT SUN MAR 31 2024  
   
..FLOOD WATCH REMAINS IN EFFECT UNTIL 6 PM PDT THIS EVENING
 
 
* WHAT...FLOODING CAUSED BY EXCESSIVE RAINFALL CONTINUES TO BE  
POSSIBLE.  
 
* WHERE...A PORTION OF SOUTHWEST CALIFORNIA, INCLUDING THE FOLLOWING  
AREAS, ORANGE COUNTY COASTAL AREAS, ORANGE COUNTY INLAND AREAS,  
RIVERSIDE COUNTY MOUNTAINS, SAN BERNARDINO COUNTY MOUNTAINS, SAN  
BERNARDINO AND RIVERSIDE COUNTY VALLEYS-THE INLAND EMPIRE, SAN  
DIEGO COUNTY COASTAL AREAS, SAN DIEGO COUNTY MOUNTAINS, SAN DIEGO  
COUNTY VALLEYS AND SANTA ANA MOUNTAINS AND FOOTHILLS.  
 
* WHEN...UNTIL 6 PM PDT THIS EVENING.  
 
* IMPACTS...FLOODING MAY OCCUR IN POOR DRAINAGE AND URBAN AREAS.  
LOW-WATER CROSSINGS MAY BE FLOODED.  
 
* ADDITIONAL DETAILS...  
- WIDESPREAD SHOWERS WILL CONTINUE TO PRODUCE LOCALLY HEAVY  
RAINFALL THROUGH MUCH OF TODAY, AND ISOLATED THUNDERSTORMS  
WILL BE POSSIBLE THIS AFTERNOON. RAINFALL RATES UP TO 1"/HR  
WILL BE POSSIBLE.  
- HTTPS://WWW.WEATHER.GOV/SAFETY/FLOOD  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
YOU SHOULD MONITOR LATER FORECASTS AND BE ALERT FOR POSSIBLE FLOOD  
WARNINGS. THOSE LIVING IN AREAS PRONE TO FLOODING SHOULD BE PREPARED  
TO TAKE ACTION SHOULD FLOODING DEVELOP.  
 
BE ALERT IN THE MOUNTAINS FOR ROCKSLIDES AND ROCKS IN THE ROAD.  
 

 
 

 
 
APR  
 
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