Small Craft Advisory 23, NWS Anchorage, AK

AREA FORECAST DISCUSSION SOUTHCENTRAL ALASKA
1200 PM AST FRI JAN 7 2005

.DISCUSSION...

MODELS IN GOOD AGREEMENT WITH 500MB HIGH CENTERED OVER BRISTOL BAY
AND SURFACE HIGH CENTERED OVER SOUTHWEST ALASKA. ALL MODELS WEAKEN
AND DROP UPPER HIGH SOUTHWARD BY 60 HOURS TO AROUND 50N SUNDAY
AFTERNOON. SURFACE HIGH OVER SOUTHWEST ALASKA GETS ABSORBED BY STRONG
BUILDING SIBERIAN HIGH SUNDAY MORNING WITH COLDER ARCTIC AIR SWEEPING
IN BEHIND A COLD FRONT OVER NORTHERN ALASKA. TEMPERATURES WILL DROP
INTO THE TEENS AND 20S BELOW ZERO IN PARTS OF THE KUSKOKWIM
VALLEY..SUSITNA VALLEY..AND COPPER RIVER BASIN SUNDAY NIGHT. EXPECT
MAINLY MID TO HIGH LEVEL CLOUDS WITH COLD FRONT OVER AOR ON SUNDAY.

WEATHER FRONT FROM A PACIFIC LOW SOUTH OF THE WESTERN ALEUTIANS STILL
ON TRACK TO BRING GALES AND RAIN TO WESTERN AND CENTRAL ALEUTIANS
THIS WEEKEND.

PRESSURE GRADIENT DIFFERENCE FROM GLENNALLEN AND CORDOVA AROUND 14
MB..SO HIGH WIND WARNING HAS BEEN CONTINUED FOR COPPER RIVER DELTA.
ONLY OTHER WINDY AREAS THIS MORNING ARE OVER WESTERN PRINCE WILLIAM
SOUND AND CENTRAL ALEUTIANS..WITH SMALL CRAFT ADVISORIES..GALE
WARNINGS..AND WIND ADVISORIES POSTED.

LOW CEILINGS AND FOG CURRENTLY A PROBLEM AT ANCHORAGE AND MCGRATH.
WILL HOLD ON THIS WEATHER WITH SLIGHT IMPROVEMENT THIS AFTERNOON AND
LOWERING CONDITIONS AGAIN TONIGHT AS LITTLE CHANGE IS EXPECTED IN
WEATHER PATTERN.

.AER/ALU...WATCH/WARNING SUMMARY
PUBLIC...HIGH WIND WARNING ZONE 135
MARINE...GALES 2C4 3A 12B 13A 13B BERING SEA
FIRE WEATHER...NONE.

JWP JAN 05