Flash Flood Watch

FLOOD WATCH
NATIONAL WEATHER SERVICE SAN DIEGO CA
931 AM PDT TUE AUG 7 2012

...FLASH FLOOD WATCH FOR THE MOUNTAINS AND ADJACENT HIGH DESERT
AREAS TODAY...

.HIGH AMOUNTS OF MONSOON MOISTURE FROM MEXICO AND HIGH INSTABILITY
WILL PRODUCE SOME THUNDERSTORMS IN THE MOUNTAINS AND HIGH DESERT
TODAY. A FEW OF THESE STORMS ARE EXPECTED TO PRODUCE FLASH FLOODS
IN LOCALIZED AREAS.

CAZ055-056-058-060-080200-
/O.NEW.KSGX.FF.A.0005.120807T1900Z-120808T0200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SAN BERNARDINO COUNTY MOUNTAINS-RIVERSIDE COUNTY MOUNTAINS-
SAN DIEGO COUNTY MOUNTAINS-APPLE AND LUCERNE VALLEYS-
931 AM PDT TUE AUG 7 2012

...FLASH FLOOD WATCH IN EFFECT UNTIL 7 PM PDT THIS EVENING...

THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A

* FLASH FLOOD WATCH FOR A PORTION OF SOUTHWEST CALIFORNIA...
INCLUDING THE FOLLOWING AREAS...APPLE AND LUCERNE VALLEYS...
RIVERSIDE COUNTY MOUNTAINS...SAN BERNARDINO COUNTY MOUNTAINS
AND SAN DIEGO COUNTY MOUNTAINS.

* UNTIL 7 PM PDT THIS EVENING

* THE GREATEST THREAT OF FLASH FLOODING WILL BE IN THE EASTERN SAN
BERNARDINO MOUNTAINS...THE SAN JACINTO MOUNTAINS...THE MOUNTAINS
OF SAN DIEGO COUNTY AND THE HIGH DESERT FROM LUCERNE VALLEY TO
YUCCA VALLEY.

* EXCESSIVE RUNOFF FROM HEAVY DOWNPOURS MAY CAUSE RAPID FILLING
AND OVERFLOWING OF NORMALLY DRY WASHES AND SMALL CREEKS....AND
LOW LYING AREAS. IN ADDITION THERE IS A THREAT OF ROCK AND MUD
SLIDES BELOW STEEP TERRAIN IN THE MOUNTAINS AND RECENTLY
BURNED AREAS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD
TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION.

YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION
SHOULD FLASH FLOOD WARNINGS BE ISSUED.

&&

$$

MM