FXUS66 KSGX 112131
AFDSGX

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN DIEGO CA
230 PM PST THU MAR 11 2010

.SYNOPSIS...HIGH PRESSURE WILL BRING CLEAR AND WARMER WEATHER
THROUGH FRIDAY. COOLER WITH MORE CLOUDS SATURDAY AS UPPER LEVEL LOW
PRESSURE MOVES THROUGH. FAIR AND MUCH WARMER EARLY NEXT WEEK UNDER
HIGH PRESSURE WITH WEAK OFFSHORE FLOW. A LITTLE COOLER TOWARD THE
END OF NEXT WEEK AS THE HIGH WEAKENS.

&&

.DISCUSSION...FOR SOUTHWEST CALIFORNIA INCLUDING SAN DIEGO...
ORANGE...SOUTHWEST SAN BERNARDINO AND WEST RIVERSIDE COUNTIES.

.SHORT TERM (REMAINDER OF TODAY-SUNDAY)...SKIES WERE CLEAR TODAY
EXCEPT FOR ISOLATED CU NEAR THE MOUNTAINS. EARLY AFTERNOON AIRCRAFT
SOUNDINGS SHOWED NW WINDS ALOFT. WEAK OFFSHORE GRADIENTS FROM THE N.

MOSTLY CLEAR AND WARMER THROUGH FRIDAY UNDER HIGH PRESSURE. WEAK
OFFSHORE FLOW WILL TURN ONSHORE FRIDAY AFTERNOON. MAX TEMPS WILL
INCREASE TO NEAR OR SLIGHTLY BELOW SEASONAL AVERAGES FRIDAY. AN
UPPER LEVEL TROUGH OF LOW PRESSURE CURRENTLY IN THE GULF OF ALASKA
WILL MOVE THROUGH SATURDAY. THIS WILL BRING MORE CLOUDS AND COOLING.
THE MARINE LAYER SHOULD DEEPEN TO NEAR 3500 FT FRIDAY NIGHT AND
SATURDAY MORNING WITH LOW CLOUDS AND FOG W OF THE MOUNTAINS AND INTO
THE COASTAL MOUNTAIN SLOPES. THERE COULD BE LOCAL DRIZZLE FROM THICK
LOW CLOUDS SATURDAY MORNING WITH A REVERSE CLEARING PATTERN IN THE
AFTERNOON. LINGERING LOW LEVEL MOISTURE WILL CONTINUE PARTLY CLOUDY
SKIES INTO SUNDAY. COOLER SATURDAY WITH MAX TEMPS ABOUT 5 TO 10
DEGREES BELOW SEASONAL AVERAGES. FAIR AND WARMER SUNDAY AFTERNOON AS
HIGH PRESSURE BEGINS TO BUILD.

&&

.LONG TERM (MONDAY-THURSDAY)...HIGH PRESSURE AND WEAK OFFSHORE FLOW
WILL BRING CLEAR SKIES AND MUCH WARMER WEATHER EARLY NEXT WEEK. MAX
TEMPS WILL BE ABOUT 5 TO 10 DEGREES ABOVE SEASONAL AVERAGES WITH
HIGHS IN THE LOW 80S IN THE WARMER INLAND COASTAL AND VALLEY AREAS.
LOCALLY BREEZY OFFSHORE WINDS THROUGH AND BELOW MOUNTAIN CANYONS AND
PASSES AT TIMES MONDAY AND TUESDAY. A LITTLE COOLER WEDNESDAY AND
THURSDAY AS THE HIGH WEAKENS.

&&

.AVIATION...
112111Z...NO SIGNIFICANT WEATHER EXPECTED AT TAF SITES THROUGH FRI.
REGION-WIDE...MOSTLY CLEAR WITH UNRESTRICTED VIS.

&&

.SGX WATCHES/WARNINGS/ADVISORIES...NONE.

&&

$$

PUBLIC...ATKIN
AVIATION...JAD




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