224
WGUS66 KSGX 120449
FFASGX
FLOOD WATCH
NATIONAL WEATHER SERVICE SAN DIEGO CA
949 PM PDT TUE MAR 11 2025
CAZ043-048-050-055>058-552-554-121300-
/O.CON.KSGX.FA.A.0002.250313T0500Z-250314T0100Z/
/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 IRVINE, FULLERTON, CRESTLINE, BIG BEAR
LAKE, CHULA VISTA, ESCONDIDO, SAN CLEMENTE, ORANGE, HUNTINGTON
BEACH, RIVERSIDE, GARDEN GROVE, ONTARIO, MORENO VALLEY, LAKE
ARROWHEAD, SAN BERNARDINO, SAN DIEGO, ENCINITAS, WRIGHTWOOD,
ANAHEIM, COSTA MESA, SAN MARCOS, EL CAJON, MISSION VIEJO,
IDYLLWILD-PINE COVE, CORONA, LA MESA, NEWPORT BEACH, RUNNING
SPRINGS, SANTA ANA, POWAY, SANTEE, PINE VALLEY, RANCHO CUCAMONGA,
VISTA, OCEANSIDE, FONTANA, JULIAN, CARLSBAD, NATIONAL CITY, BIG
BEAR CITY, AND LAGUNA BEACH
949 PM PDT TUE MAR 11 2025
...FLOOD WATCH REMAINS IN EFFECT FROM WEDNESDAY EVENING THROUGH
THURSDAY AFTERNOON...
* 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...FROM WEDNESDAY EVENING THROUGH THURSDAY AFTERNOON.
* IMPACTS...EXCESSIVE RUNOFF MAY RESULT IN FLOODING OF RIVERS,
CREEKS, STREAMS, AND OTHER LOW-LYING AND FLOOD-PRONE LOCATIONS.
DEBRIS FLOW ARE POSSIBLE NEAR RECENT BURN SCARS. AREAS OF FLOODING
POSSIBLE IN THE MOUNTAINS BELOW THE SNOW LEVEL.
* ADDITIONAL DETAILS...
- - AN INCOMING ATMOSPHERIC RIVER WILL GENERATE MODERATE TO
HEAVY RAINFALL WEDNESDAY NIGHT THROUGH THURSDAY AFTERNOON.
RAINFALL RATES OF 0.50 TO 0.75 INCH/HOUR EXPECTED, LOCALLY UP
TO 1 INCH/HOUR POSSIBLE IN THE MOUNTAINS BELOW THE SNOW LEVEL
AND WHERE THUNDERSTORMS DEVELOP. THIS WATCH INCLUDES THE
FOLLOWING BURN SCARS: BRIDGE, LINE, AND AIRPORT. A ROUND OF
WIDESPREAD, HEAVY PRECIPITATION IS EXPECTED TO START BEFORE
SUNRISE THURSDAY MORNING. FOR THURSDAY AFTERNOON, HEAVY RAIN
POSSIBLE WHERE THUNDERSTORMS DEVELOP.
- HTTPS://WWW.WEATHER.GOV/SAFETY/FLOOD
- 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.
PS
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