Flash Flood Watch

FLOOD WATCH
NATIONAL WEATHER SERVICE SAN DIEGO CA
456 PM PDT THU MAY 14 2015

...FLASH FLOOD WATCH FOR THE COASTAL SLOPES OF SOUTHWESTERN
CALIFORNIA BELOW 6000 FEET AND THE SAN DIEGO COUNTY COASTAL AND
VALLEY AREAS FRIDAY...

.A LATE-SEASON STORM WILL BRING WIDESPREAD SHOWERS AND ISOLATED
THUNDERSTORMS FRIDAY. LOCALLY HEAVY SHOWERS COULD PRODUCE FLASH
FLOODING AS WELL AS MUD AND DEBRIS FLOWS...ESPECIALLY IN RECENTLY
BURNED AREAS AND ON STEEP TERRAIN. HOWEVER...THE POSITION OF THE
LOW PRESSURE SYSTEM WILL RESULT IN THE POSSIBILITY THAT HEAVY
RAINS COULD PRODUCE FLASH FLOODING EVEN IN COASTAL AND VALLEY
SECTIONS OF SAN DIEGO COUNTY...INCLUDING THE CITY OF SAN DIEGO.

CAZ050-055>058-150800-
/O.EXT.KSGX.FF.A.0002.150515T1100Z-150516T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SAN DIEGO COUNTY VALLEYS-SAN BERNARDINO COUNTY MOUNTAINS-
RIVERSIDE COUNTY MOUNTAINS-SANTA ANA MOUNTAINS AND FOOTHILLS-
SAN DIEGO COUNTY MOUNTAINS-
456 PM PDT THU MAY 14 2015

...FLASH FLOOD WATCH NOW IN EFFECT FROM 4 AM PDT FRIDAY THROUGH
FRIDAY AFTERNOON...

THE FLASH FLOOD WATCH IS NOW IN EFFECT FOR

* PORTIONS OF SOUTHWEST CALIFORNIA...INCLUDING THE FOLLOWING
AREAS...SANTA ANA MOUNTAINS AND FOOTHILLS...RIVERSIDE COUNTY
MOUNTAINS...SAN BERNARDINO COUNTY MOUNTAINS...SAN DIEGO COUNTY
MOUNTAINS AND SAN DIEGO COUNTY VALLEYS.

* FROM 4 AM PDT FRIDAY THROUGH 6 PM PDT FRIDAY

* A LATE-SEASON STORM WILL BRING PERIODS OF LOCALLY HEAVY
RAINFALL.

* RAINFALL RATES OF HALF AN INCH PER HOUR TO LOCALLY ONE INCH PER
HOUR COULD PRODUCE FLASH FLOODING AS WELL AS MUD AND DEBRIS
FLOWS. PRIMARILY AT RISK ARE RECENTLY BURNED AREAS AND STEEP OR
UNSTABLE SLOPES.

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.

&&

$$

MAXWELL