Hazardous Weather Outlook:

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SAN DIEGO CA
400 AM PDT SAT JUL 19 2008

CAZ055-056-058-060-062-192300-
SAN BERNARDINO COUNTY MOUNTAINS-RIVERSIDE COUNTY MOUNTAINS-
SAN DIEGO COUNTY MOUNTAINS-APPLE AND LUCERNE VALLEYS-
SAN DIEGO COUNTY DESERTS-
400 AM PDT SAT JUL 19 2008

THIS HAZARDOUS WEATHER OUTLOOK IS FOR MOUNTAINS...THE APPLE AND
YUCCA VALLEYS...AND THE SAN DIEGO COUNTY DESERTS OF EXTREME
SOUTHWESTERN CALIFORNIA.

.DAY ONE...TODAY AND TONIGHT

NO WIDESPREAD HAZARDOUS WEATHER IS EXPECTED.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

FOR SUNDAY...THE FLASH FLOOD POTENTIAL INDEX IS MODERATE.
THUNDERSTORMS ARE EXPECTED TO DEVELOP AND ISOLATED FLASH FLOODING IS
POSSIBLE.

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN DIEGO CA
450 AM PDT SAT JUL 19 2008

CAZ048-050-055>058-060>062-201300-
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-
450 AM PDT SAT JUL 19 2008

...MONSOON MOISTURE RETURNING OVER SOUTHWEST CALIFORNIA..
...THUNDERSTORMS WITH LOCALLY HEAVY RAINFALL AND FLASH FLOODING
POSSIBLE..

WEAK LOW PRESSURE OFF THE SOUTHERN CALIFORNIA COAST AND HIGH
PRESSURE OVER NORTHERN ARIZONA IS EXPECTED TO DIRECT A SURGE OF
MONSOONAL MOISTURE INTO SOUTHWEST CALIFORNIA LATE TODAY THROUGH
SUNDAY.

THIS MOISTURE WILL BRING INCREASING CHANCES OF SHOWERS AND
THUNDERSTORMS OVER THE MOUNTAINS AND DESERTS...MAINLY DURING THE
AFTERNOON AND EVENING HOURS SUNDAY THROUGH TUESDAY. SOME OF THE
THUNDERSTORMS COULD PRODUCE LOCALLY HEAVY RAINFALL WITH FLASH
FLOODING POSSIBLE. FOR SUNDAY AND MONDAY...SOME OF THE THUNDERSTORMS
COULD DRIFT OFF THE MOUNTAINS INTO THE INLAND VALLEYS.

PERSONS LIVING IN...TRAVELING THROUGH...OR PLANNING OUTDOOR
ACTIVITIES IN THE MOUNTAINS AND DESERTS FOR THIS WEEKEND THROUGH
EARLY NEXT WEEK SHOULD STAY TUNED FOR LATER WEATHER UPDATES.