Flash Flood Watch
Issued by NWS San Diego, CA

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000
WGUS66 KSGX 201227
FFASGX

FLOOD WATCH
NATIONAL WEATHER SERVICE SAN DIEGO CA
427 AM PST FRI JAN 20 2017

...FLASH FLOODING POSSIBLE TODAY...

.A STORM SYSTEM MOVING THROUGH THE REGION AND INCREASING
ATMOSPHERIC INSTABILITY WILL CREATE HEAVY SHOWERS AND A FEW
THUNDERSTORMS FROM LATE MORNING THROUGH EARLY EVENING...LEADING
TO THE INCREASED THREAT OF FLASH FLOODING AT THE
COAST...VALLEYS...AND MOUNTAINS BELOW 5500 FOOT ELEVATION. DEBRIS
FLOWS IN RECENT BURN SCARS WILL ALSO BE POSSIBLE.

CAZ043-048-050-055>058-065-552-554-202300-
/O.CON.KSGX.FF.A.0001.170120T1500Z-170121T0300Z/
/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-SAN GORGONIO PASS NEAR BANNING-
ORANGE COUNTY COASTAL AREAS-ORANGE COUNTY INLAND AREAS-
INCLUDING THE CITIES OF...OCEANSIDE...VISTA...CARLSBAD...
ENCINITAS...CHULA VISTA...NATIONAL CITY...SAN DIEGO...RIVERSIDE...
SAN BERNARDINO...ONTARIO...MORENO VALLEY...FONTANA...
RANCHO CUCAMONGA...CORONA...ESCONDIDO...EL CAJON...SAN MARCOS...
LA MESA...SANTEE...POWAY...CRESTLINE...LAKE ARROWHEAD...
BIG BEAR CITY...BIG BEAR LAKE...RUNNING SPRINGS...WRIGHTWOOD...
IDYLLWILD-PINE COVE...JULIAN...PINE VALLEY...BANNING...
DESERT HOT SPRINGS...HUNTINGTON BEACH...COSTA MESA...
NEWPORT BEACH...LAGUNA BEACH...SAN CLEMENTE...SANTA ANA...
ANAHEIM...GARDEN GROVE...IRVINE...ORANGE...FULLERTON...
MISSION VIEJO
427 AM PST FRI JAN 20 2017

...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH THIS EVENING...

THE FLASH FLOOD WATCH CONTINUES FOR

* PORTIONS OF SOUTHERN CALIFORNIA...SOUTHWEST CALIFORNIA AND
  SOUTHWESTS CALIFORNIA...INCLUDING THE FOLLOWING AREAS...IN
  SOUTHERN CALIFORNIA...SAN BERNARDINO AND RIVERSIDE COUNTY
  VALLEYS-THE INLAND EMPIRE. IN SOUTHWEST CALIFORNIA...ORANGE
  COUNTY COASTAL AREAS...ORANGE COUNTY INLAND AREAS...SAN
  BERNARDINO COUNTY MOUNTAINS...SAN DIEGO COUNTY COASTAL AREAS...
   SAN DIEGO COUNTY MOUNTAINS...SAN DIEGO COUNTY VALLEYS...SAN
  GORGONIO PASS NEAR BANNING AND SANTA ANA MOUNTAINS AND
  FOOTHILLS. IN SOUTHWESTS CALIFORNIA...RIVERSIDE COUNTY
  MOUNTAINS.

* THROUGH THIS EVENING

* HEAVY SHOWERS AND SCATTERED THUNDERSTORMS WILL LIKELY OCCUR LATE
  THIS MORNING THROUGH EARLY EVENING...WITH POSSIBLE RAINFALL
  RATES AT OR EXCEEDING 1 INCH PER HOUR. THIS WILL INCREASE THE
  CHANCES FOR FLASH FLOODING. ALSO...HEAVY RAINS OVER RECENT BURN
  SCARS COULD RESULT IN DEBRIS FLOWS AND MUDSLIDES.

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



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