Coastal Flood Statement 10, NWS Los Angeles, CA

SOUTHWEST CALIFORNIA AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA
135 PM PST FRI DEC 7 2007

.SHORT TERM (TODAY-MON)...POST-FRONTAL SHOWERS FALLING ACROSS THE
AREA TODAY BUT AMOUNTS AND COVERAGE ARE MINIMAL. FOR THIS REASON THE
FLASH FLOOD WATCH FOR THE BURN AREAS HAS BEEN CANCELLED. OTHERWISE,
JUST COOL AND BREEZY WITH ISOLATED SHOWERS TONIGHT.

MESSY FORECAST FOR THIS WEEKEND. A SERIES OF SHORTWAVES WILL WRAP
AROUND THE TROF SATURDAY AND AN ENTIRELY NEW UPPER LOW WILL DROP
INTO THE AREA SATURDAY NIGHT AND SUNDAY. ALTHOUGH MOISTURE IS
LIMITED, CANT RULE OUT A SHOWER DEVELOPING JUST ABOUT ANYWHERE AT
ANYTIME. WITH THE FLOW MOSTLY FROM THE NORTH THE BEST CHANCES FOR
PRECIP WILL BE ALONG THE NORTH FACING MOUNTAIN SLOPES, BUT A SHOWER
OR TWO COULD ALSO DRIFT OVER THE LOWER ELEVATIONS AS WELL.

ON SATURDAY NIGHT THE LOW LVL FLOW SHIFTS TO THE NORTHEAST. AT THE
SAME TIME THE COLDEST PART OF THE SYSTEM WILL MOVE OVER THE AREA AND
COMBINE WITH LINGERING MOISTURE TO BRING A DECENT SHOT OF SHOWERS TO
THE NORTH FACING MOUNTAINS, ESPECIALLY THE EASTERN SAN GABRIEL
MOUNTAINS. WITH SNOW LEVELS FALLING TO PERHAPS AS LOW AS 2500 FEET
NORTH OF THE MOUNTAINS, LIGHT SNOW COULD FALL ON THE FLOOR OF THE
ANTELOPE VALLEY, THOUGH ACCUMULATIONS WILL BE MINIMAL. HEAVIER SNOW
IS POSSIBLE IN THE MOUNTAINS AND A SNOW ADVISORY MAY BE NEEDED.

CONDITIONS WILL BE IMPROVING SUNDAY AS THE LOW FINALLY DRIFTS SOUTH
OF THE AREA. TEMPERATURES WILL REMAIN VERY COOL WITH HIGHS ABOUT 10
DEGREES BELOW NORMS. SLIGHTLY WARMER ON MONDAY UNDER MOSTLY CLEAR
SKIES, EXCEPT POSSIBLY SOME LOW CLOUDS TRAPPED IN THE SOUTHERN SAN
JOAQUIN VALLEY AND GRAPEVINE.

.LONG TERM (TUE-FRI)...GFS AND ECMWF IN GOOD AGREEMENT THROUGH WED,
SHOWING VERY LITTLE GOING ON ACROSS THE AREA. NORTHERLY FLOW ACROSS
THE AREA WILL MAINTAIN TEMPS A FEW DEGREES BELOW NORMALS. MODELS
DIVERGE AFTER WED, THOUGH AT THIS TIME THE IMPACTS EITHER WAY ON OUR
AREA WILL BE MINIMAL. THE GFS SHOWS ENERGY DROPPING SOUTH DOWN THE
COAST EVENTUALLY FORMING A CUTOFF LOW JUST OFFSHORE. VERY LITTLE
MOISTURE WITH IT AT THIS TIME. SO COOL AND DRY WEATHER EXPECTED THIS
WEEK.

&&

.AVIATION...07/2130Z

SCT TO BKN SKIES AND LOCALLY BREEZY TO WINDY CONDITIONS WILL
CONTINUE INTO EARLY EVENING. THE CLOUDS WILL BECOME BROKEN OVERNIGHT
INTO SATURDAY AS RESIDUAL MOISTURE AND TROUGH ENERGY LINGERS THROUGH
TONIGHT AND INTO THE DAY ON SATURDAY.

KLAX AND KBUR...MOSTLY CLOUDY SKIES AND LOCALLY BREEZY CONDITIONS
THROUGH MOST OF THE NEXT 24 HOURS.

&&

.LOX WATCHES/WARNINGS/ADVISORIES...
WIND ADVISORY (SEE LAXNPWLOX).
GALE WARNING (SEE LAXCWFLOX).
HIGH SURF ADVISORY (SEE LAXCFWLOX).
HIGH RIP CURRENT RISK (SEE LAXSRFLOX).

&&

PUBLIC...WOFFORD
AVIATION...SWEET

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