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...COLD PACIFIC STORM WILL BRING A THREAT OF SHOWERS AND MOUNTAIN
SNOW TONIGHT INTO SATURDAY...

A COLD UPPER LEVEL LOW PRESSURE SYSTEM IS EXPECTED TO TRACK SOUTHWARD INTO
SOUTHERN CALIFORNIA TONIGHT INTO SATURDAY. THERE IS STILL SOME UNCERTAINTY OF
THE EXACT TRACK OF THIS COLD UPPER LEVEL LOW PRESSURE SYSTEM...WHICH
WILL HAVE A SIGNIFICANT IMPACT ON RAINFALL PROBABILITY AND ASSOCIATED
RAINFALL AMOUNTS ACROSS OUR REGION.

AT THIS TIME...IT APPEARS THAT THE SYSTEM WILL TAKE A MORE OVER-LAND
TRAJECTORY WHICH WOULD LIMIT THE AVAILABLE MOISTURE. HOWEVER...THIS
IS A COLD AND DYNAMIC SYSTEM...BRINGING THE THREAT OF BRIEF HEAVY
SHOWERS AS WELL AS A SLIGHT CHANCE OF THUNDERSTORMS WITH SMALL HAIL.
THE THREAT OF SHOWERS IS EXPECTED TO BEGIN ACROSS SAN LUIS OBISPO
AND SANTA BARBARA COUNTIES LATE THIS AFTERNOON OR
EVENING...SPREADING DOWN THE COAST INTO VENTURA AND LOS ANGELES
COUNTIES OVERNIGHT. DUE TO THE SHOWERY NATURE OF THE
PRECIPITATION...RAINFALL AMOUNTS WILL BE QUITE VARIABLE. MOST COASTAL
AND VALLEY AREAS ARE EXPECTED TO RECEIVE LESS THAN A QUARTER OF AN INCH OF
RAINFALL...BUT MOUNTAIN AREAS COULD RECEIVE BETWEEN ONE QUARTER AND ONE
HALF INCH OF RAINFALL. LOCALLY HIGHER RAINFALL TOTALS WILL BE POSSIBLE
NEAR HEAVIER SHOWERS OR THUNDERSTORMS. WHILE THERE IS A VERY SLIGHT CHANCE
OF A THUNDERSTORM MOVING OVER ONE OF THE RECENT BURN AREAS...INCLUDING THE
STATION FIRE BURN AREA...IT DOES NOT APPEAR TO BE A SUFFICIENT THREAT
TO ISSUE A FLASH FLOOD WATCH FOR THE BURN AREAS AT THIS TIME. IF THIS SYSTEM
ENDS UP MOVING FURTHER WEST AND PICKS UP A MORE OVER-WATER TRAJECTORY...
PROJECTED RAINFALL AMOUNTS WOULD NEED TO BE INCREASED.

THIS WILL BE A COLD STORM SYSTEM...WITH SNOW LEVELS FALLING TO AROUND
4000 FEET LATER TONIGHT INTO SATURDAY...WITH SNOW LOCALLY FALLING
TO AROUND 3500 FEET IN HEAVIER SHOWERS AND ACROSS NORTH FACING
SLOPES. THE LOW SNOW LEVELS WILL LIKELY IMPACT THE INTERSTATE 5 CORRIDOR
NEAR THE GRAPEVINE...AND COULD BRING SOME SNOWFALL TO THE FOOTHILLS
OF THE ANTELOPE VALLEY AND CUYAMA VALLEY. PLEASE REFER TO THE LATEST WINTER
WEATHER ADVISORY PRODUCT FOR MORE DETAILS ON EXPECTED WINTER WEATHER
CONDITIONS.

BEHIND THIS SYSTEM...THERE WILL BE A RETURN OF GUSTY NORTHEAST WINDS
ACROSS SOUTHERN CALIFORNIA SUNDAY INTO 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.

...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 6 PM PST SATURDAY...

A HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 6 PM PST SATURDAY.

BREAKERS OF 8 TO 12 FEET WITH LOCAL SETS TO 14 FEET WILL BE
COMMON ACROSS WEST AND NORTHWEST FACING BEACHES OF THE CENTRAL
COAST. SURF WILL DIMINISH SOME BY SATURDAY MORNING WITH SURF 7 TO
10 FEET WITH SETS TO 12 FEET EXPECTED. THERE ALSO WILL BE A HIGH
THREAT OF RIP CURRENT ACTIVITY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH SURF ADVISORY MEANS THAT HIGH SURF WILL AFFECT BEACHES IN
THE ADVISORY AREA...PRODUCING RIP CURRENTS AND LOCALIZED BEACH
EROSION.

&&

...COLD PACIFIC STORM WILL BRING A THREAT OF SHOWERS AND MOUNTAIN
SNOW TONIGHT INTO SATURDAY...

A COLD UPPER LEVEL LOW PRESSURE SYSTEM MOVING INTO NORTHERN
CALIFORNIA TODAY IS EXPECTED TO TRACK SOUTHWARD INTO SOUTHERN
CALIFORNIA TONIGHT INTO SATURDAY. THERE IS STILL SOME UNCERTAINTY OF
THE EXACT TRACK OF THIS COLD UPPER LEVEL LOW PRESSURE SYSTEM...WHICH
WILL HAVE A SIGNIFICANT IMPACT ON RAINFALL PROBABILITY AND ASSOCIATED
RAINFALL AMOUNTS ACROSS OUR REGION.

AT THIS TIME...IT APPEARS THAT THE SYSTEM WILL TAKE A MORE OVER-LAND
TRAJECTORY WHICH WOULD LIMIT THE AVAILABLE MOISTURE. HOWEVER...THIS
IS A COLD AND DYNAMIC SYSTEM...BRINGING THE THREAT OF BRIEF HEAVY
SHOWERS AS WELL AS A SLIGHT CHANCE OF THUNDERSTORMS WITH SMALL HAIL.
THE THREAT OF SHOWERS IS EXPECTED TO BEGIN ACROSS SAN LUIS OBISPO
AND SANTA BARBARA COUNTIES LATE THIS AFTERNOON OR
EVENING...SPREADING DOWN THE COAST INTO VENTURA AND LOS ANGELES
COUNTIES OVERNIGHT. DUE TO THE SHOWERY NATURE OF THE
PRECIPITATION...RAINFALL AMOUNTS WILL BE QUITE VARIABLE. MOST AREAS
ARE EXPECTED TO RECEIVE LESS THAN A QUARTER OF AN INCH OF
RAINFALL...BUT LOCALLY HIGHER AMOUNTS WILL BE POSSIBLE
NEAR HEAVIER SHOWERS AND THUNDERSTORMS. IF THIS SYSTEM ENDS UP MOVING
FURTHER WEST AND PICKS UP A MORE OVER-WATER TRAJECTORY...PROJECTED
RAINFALL AMOUNTS WOULD NEED TO BE INCREASED.

THIS WILL BE A COLD STORM SYSTEM...WITH SNOW LEVELS FALLING TO AROUND
4000 FEET LATER TONIGHT INTO SATURDAY...WITH SNOW LOCALLY FALLING
TO AROUND 3500 FEET IN HEAVIER SHOWERS AND ACROSS NORTH FACING
SLOPES. PLEASE REFER TO THE LATEST WINTER WEATHER ADVISORY PRODUCT
FOR MORE DETAILS ON EXPECTED WINTER WEATHER CONDITIONS.

BEHIND THIS SYSTEM...THERE WILL BE A RETURN OF GUSTY NORTHEAST WINDS
ACROSS SOUTHERN CALIFORNIA SUNDAY INTO 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.