Flood Potential Outlook
Issued by NWS San Diego, CA

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FGUS76 KSGX 211108
ESFSGX

HYDROLOGIC FORECAST FOR EXTREME SOUTHWESTERN CALIFORNIA
NATIONAL WEATHER SERVICE SAN DIEGO CA
408 AM PDT THU AUG 21 2014

...FLASH FLOOD POTENTIAL INDEX FOR EXTREME SOUTHWESTERN CALIFORNIA...

.SYNOPSIS...
A LOW PRESSURE SYSTEM WILL BEGIN TO MOVE OFF TO THE EAST AND REACH
ARIZONA TONIGHT. THIS FEATURE WILL BRING NUMEROUS THUNDERSTORMS TO
THE MOUNTAINS AND DESERTS THIS AFTERNOON. MOISTURE LEVELS ARE NOT
EXPECTED TO BE CONSIDERABLY HIGH SO THAT THE FLASH FLOOD THREAT
WILL BE MODERATE...AND DEPENDENT ON THE REPEATED DEVELOPMENT OF
THUNDERSTORMS OVER THE SAME AREAS...AS MOVEMENT SHOULD BE FAIRLY
PROGRESSIVE WITH ANY CELLS THAT DO OCCUR. PRECIPITATION WILL END
TONIGHT AS THE LOW PRESSURE SYSTEM MOVES OUT OF THE AREA.

$$

CAZ042-043-048-050-057-220115-
ORANGE COUNTY COASTAL AREAS-SAN DIEGO COUNTY COASTAL AREAS-
SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS-THE INLAND EMPIRE-
SAN DIEGO COUNTY VALLEYS-SANTA ANA MOUNTAINS AND FOOTHILLS-
408 AM PDT THU AUG 21 2014

.TODAY...NONE...NO FLASH FLOODING IS EXPECTED.
.FRIDAY...NONE...NO FLASH FLOODING IS EXPECTED.

$$

CAZ055-060-061-220115-
SAN BERNARDINO COUNTY MOUNTAINS-APPLE AND LUCERNE VALLEYS-
COACHELLA VALLEY-
408 AM PDT THU AUG 21 2014

.TODAY...LOW...THE RISK OF FLASH FLOODING IS MINIMAL.
.FRIDAY...NONE...NO FLASH FLOODING IS EXPECTED.

$$

CAZ056-058-062-220115-
RIVERSIDE COUNTY MOUNTAINS-SAN DIEGO COUNTY MOUNTAINS-
SAN DIEGO COUNTY DESERTS-
408 AM PDT THU AUG 21 2014

.TODAY...MODERATE...THUNDERSTORMS ARE EXPECTED TO DEVELOP AND
ISOLATED FLASH FLOODING IS POSSIBLE.
.FRIDAY...NONE...NO FLASH FLOODING IS EXPECTED.

$$

JMB






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