Flash Flood Watch

Flash Flood Watch
FLOOD WATCH
NATIONAL WEATHER SERVICE SAN DIEGO CA
204 AM PST FRI FEB 18 2011

...A STRONG WINTER STORM WILL BRING PERIODS OF HEAVY RAIN TO
SOUTHERN CALIFORNIA...

.A STRONG WINTER STORM SYSTEM MOVING INTO SOUTHERN CALIFORNIA
LATE TODAY INTO SATURDAY WILL BRING PERIODS OF HEAVY RAIN AND THE
CHANCE FOR FLASH FLOODING...MUD SLIDES AND DEBRIS FLOWS TO
PORTIONS OF SOUTHERN CALIFORNIA. PARTICULARLY AT RISK ARE AREAS OF
STEEP TERRAIN...ESPECIALLY THE RECENT BURN AREAS.

CAZ048-055>057-182200-
/O.EXT.KSGX.FF.A.0001.110218T2100Z-110220T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS-THE INLAND EMPIRE-
SAN BERNARDINO COUNTY MOUNTAINS-RIVERSIDE COUNTY MOUNTAINS-
SANTA ANA MOUNTAINS AND FOOTHILLS-
204 AM PST FRI FEB 18 2011

...FLASH FLOOD WATCH NOW IN EFFECT FROM 1 PM PST THIS AFTERNOON
THROUGH SATURDAY AFTERNOON...

THE FLASH FLOOD WATCH IS NOW IN EFFECT FOR

* A PORTION OF SOUTHWEST CALIFORNIA...INCLUDING THE FOLLOWING
AREAS...RIVERSIDE COUNTY MOUNTAINS...SAN BERNARDINO COUNTY
MOUNTAINS...SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS-THE
INLAND EMPIRE AND SANTA ANA MOUNTAINS AND FOOTHILLS.

* FROM 1 PM PST THIS AFTERNOON THROUGH SATURDAY AFTERNOON.

* WIDESPREAD MODERATE TO LOCALLY HEAVY RAINFALL WILL MOVE INTO THE
AREA LATE TODAY AND CONTINUE INTO SATURDAY. VERY STRONG LOW
LEVEL FLOW AHEAD OF THE COLD FRONT WILL PRODUCE SIGNIFICANT
OROGRAPHIC ENHANCEMENT AND HIGH RAINFALL RATES BELOW THE SNOW
LEVEL...ESPECIALLY ON THE SOUTHWEST FACING SLOPES OF THE SAN
BERNARDINO MOUNTAINS.

* THE RAINS WILL LIKELY PRODUCE RAPID RUNOFF...MUD SLIDES...
DEBRIS FLOWS AND FLOODING OF LOW LYING 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.

&&

$$

ATKIN