HAZARDOUS WEATHER OUTLOOK
Issue Date: 614 AM PST FRI NOV 27 2009
Expiration: 600 AM PST SAT NOV 28 2009 Expires:200911281400;;
FLUS46 KLOX 271413
HWOLOX
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA
600 AM PST FRI NOV 27 2009
CAZ034>041-044>046-051>054-059-087-088-547-548-281400-
SAN LUIS OBISPO COUNTY CENTRAL COAST-
SANTA BARBARA COUNTY CENTRAL COAST-SANTA YNEZ VALLEY-
SAN LUIS OBISPO COUNTY INTERIOR VALLEYS-CUYAMA VALLEY-
SANTA BARBARA COUNTY SOUTH COAST-VENTURA COUNTY COAST-
LOS ANGELES COUNTY COAST INCLUDING DOWNTOWN LOS ANGELES-
VENTURA COUNTY INTERIOR VALLEYS-VENTURA COUNTY COASTAL VALLEYS-
SANTA MONICA MOUNTAINS RECREATIONAL AREA-
SAN LUIS OBISPO COUNTY MOUNTAINS-
SANTA BARBARA COUNTY MOUNTAINS-VENTURA COUNTY MOUNTAINS-
LOS ANGELES COUNTY MOUNTAINS EXCLUDING THE SANTA MONICA RANGE-
ANTELOPE VALLEY-CATALINA ISLAND-SANTA CLARITA VALLEY-
LOS ANGELES COUNTY SAN FERNANDO VALLEY-
LOS ANGELES COUNTY SAN GABRIEL VALLEY-
600 AM PST FRI NOV 27 2009
THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHWESTERN CALIFORNIA.
.DAY ONE... TODAY AND TONIGHT
A LARGE NW SWELL WILL CONTINUE TO CREATE HIGH SURF ALONG THE CENTRAL
COAST BEACHES THIS MORNING. THIS SWELL WILL SPREAD TO BEACHES SOUTH
OF POINT CONCEPTION LATER THIS MORNING. SURF WILL RANGE FROM 7 TO 10
FEET WITH LOCAL SETS TO 12 FEET POSSIBLE. THERE WILL BE A HIGH
THREAT FOR RIP CURRENTS THROUGH THE PERIOD.
A COLD STORM WITH THE POTENTIAL FOR MOUNTAIN SNOW WILL ARRIVE
TONIGHT. THE SYSTEM WEAKENING COLD FRONT WILL ARRIVE THIS
AFTERNOON...BRINGING A CHANCE FOR RAIN NORTH OF POINT CONCEPTION.
THE FRONT WILL MOVES SOUTH THROUGHOUT THIS AFTERNOON AND
EVENING...POSSIBLY SPREADING ISOLATED TO SCATTERED LIGHT SHOWERS
INTO LOS ANGELES AND VENTURA COUNTIES. THE SYSTEMS COLD AND UNSTABLE
AIR WILL ARRIVE LATE TONIGHT...CONTINUING A THREAT OF SHOWERS FOR
THE COASTAL AND VALLEY AREA. DUE TO THE SYSTEMS INTERIOR TRACK...THE
HIGHEST CHANCE OF PRECIPITATION WILL OCCUR OVER INTERIOR SAN LUIS
OBISPO AND SANTA BARBARA COUNTIES...AND THE NORTHERN SLOPES OF THE
MOUNTAINS. A POTENTIAL EXISTS FOR THE SEASONS FIRST ACCUMULATING
SNOWFALL ALONG THE INTERSTATE 5 CORRIDOR. SNOW LEVELS WILL LIKELY
LOWER TO NEAR 4000 FEET LATE TONIGHT...LOCALLY LOWERING TO 3500
FEET IN HEAVIER SHOWERS. MOTORISTS PLANNING TRAVEL BETWEEN THE LOS
ANGELES METRO AREAS AND THE SAN JOAQUIN ARE ADVISED TO PREPARE
ACCORDINGLY FOR WINTER DRIVING CONDITIONS.
* WINTER WEATHER ADVISORY....SEE WWUS46 KLOX - WSWLOX FOR DETAILS *
* HIGH SURF ADVISORY.........SEE WHUS46 KLOX - CFWLOX FOR DETAILS *
* HIGH RIP CURRENT RISK......SEE FZUS56 KLOX - SRFLOX FOR DETAILS *
.DAYS TWO THROUGH SEVEN... SATURDAY THROUGH THURSDAY
A LARGE NW SWELL WILL CONTINUE TO CREATE HIGH SURF AT BEACHES SOUTH
OF POINT CONCEPTION THROUGH SUNDAY MORNING. SURF WILL RANGE FROM 6
TO 9 FEET WITH LOCAL SETS TO 10 FEET POSSIBLE.
OTHERWISE...THE POTENTIAL FOR MOUNTAIN SNOW WILL CONTINUE THROUGH
SATURDAY. SNOW LEVELS WILL LIKELY HOVER NEAR 4000 FEET...LOCALLY
LOWERING TO 3500 FEET IN HEAVIER SHOWERS. MOTORISTS PLANNING TRAVEL
BETWEEN THE LOS ANGELES METRO AREAS AND THE SAN JOAQUIN ARE ADVISED
TO PREPARE ACCORDINGLY FOR WINTER DRIVING CONDITIONS.
AN OFFSHORE FLOW PATTERN DEVELOPING BEHIND THE SYSTEM WILL DEVELOP
GUSTY NORTHEAST WINDS ACROSS SOUTHERN CALIFORNIA SATURDAY NIGHT
THROUGH MONDAY. INITIALLY...THE AIR MASS IS EXPECTED TO REMAIN
RATHER MOIST SUNDAY MORNING...BUT A DRYING TREND IS EXPECTED LATER
SUNDAY INTO MONDAY. WHILE THERE WILL BE HEIGHTENED FIRE WEATHER
CONCERNS WITH THIS OFFSHORE EVENT...IT IS STILL UNCLEAR IF WEATHER
AND FUEL CONDITIONS WILL REACH CRITICAL RED FLAG THRESHOLDS.
* WINTER WEATHER ADVISORY....SEE WWUS46 KLOX - WSWLOX FOR DETAILS *
* HIGH SURF ADVISORY.........SEE WHUS46 KLOX - CFWLOX FOR DETAILS *
.SPOTTER INFORMATION STATEMENT...
WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.
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