468 
FXUS66 KLOX 300440
AFDLOX
SOUTHWEST CALIFORNIA AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA
830 PM PST SUN DEC 29 2002

UPPER TROUGH HAS SHIFTED EASTWARD INTO ARIZONA THIS EVENING...LEAVING
A DRIER NORTHWEST FLOW ALOFT OVER SOUTHERN CALIFORNIA. STILL SOME
RESIDUAL CLOUDS AND A FEW SHOWERS ACROSS THE NORTH FACING MOUNTAIN
SLOPES THIS EVENING...BUT THAT SHOULD CONTINUE TO DECREASE OVERNIGHT.
WITH CLEARING SKIES AND A COOL AIR MASS IN PLACE...LOOK FOR A CHILLY
NIGHT...WITH MANY VALLEY LOCATIONS EXPECTED TO DROP INTO THE 30S.
WILL ADD SOME PATCHY FROST IN EVENING UPDATE TO AREAS NORTH OF POINT
CONCEPTION...AS WELL AS THE VALLEYS OF VTU/LA COUNTIES.

A SHORT LIVED DIRTY RIDGE WILL BUILD ACROSS THE DISTRICT OVERNIGHT
AND EARLY MONDAY...BUT ZONAL FLOW RETURNS BY LATE MONDAY AS THE NEXT
STORM SYSTEM MOVES INTO NORTHERN CALIFORNIA. MOST OF THE ENERGY WITH
THIS NEXT SYSTEM EXPECTED TO REMAIN NORTH OF FORECAST AREA. ACROSS
OUR CWA...THE BEST THREAT OF SHOWERS WILL BE NORTH OF POINT CONCEPTION
MONDAY NIGHT INTO TUESDAY MORNING...WITH RAINFALL TOTALS EXPECTED
TO BE LESS THAN ONE HALF INCH. POPS DROP OFF TO 30 PERCENT FOR
LA BASIN AS COLD FRONT IS EXPECTED TO WEAKEN AS IT DRAGS SOUTH AND
EAST THROUGH THE FORECAST AREA. 

CLEARING SKIES EXPECTED ACROSS THE REGION ON TUESDAY NIGHT...LEADING
TO A CHILLY START ON NEW YEARS MORNING. AFTERNOON HIGHS SHOULD REBOUND
NICELY AS A WEAK OFFSHORE FLOW SCENARIO DEVELOPS. AT THIS TIME...
NEW YEARS DAY TEMPERATURES IN PASADENA EXPECTED TO PEAK AT 68
DEGREES AFTER A CHILLY 40 DEGREE LOW THAT MORNING. 

WHILE SOME MID LEVEL CLOUDS ARE EXPECTED TO PASS THROUGH THE REGION
ON THURSDAY AND FRIDAY...IT APPEARS THAT THE EXTENDED FORECAST WILL
REMAIN DRY WITH THE STORM TRACK CENTERED ACROSS THE PACIFIC NORTHWEST
AND NORTHERN CALIFORNIA.

LAX 0033. GOMBERG

.LOX...SMALL CRAFT ADVISORY (SEE LAXCWFLOX).