Brisk Wind Advisory 54, NWS Fairbanks, AK

NORTHERN ALASKA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE FAIRBANKS AK
230 PM AKST WED FEB 8 2012

.DISCUSSION...

UPPER AIR...UPPER LEVEL LOW OVER THE CENTRAL INTERIOR WILL PUSH
NORTHWEST INTO A RIDGE AND WEAKEN ON THU TO THE NORTH OF BARROW.
THE RIDGE EXTENDING FROM THE NORTH SLOPE SOUTHWEST OVER THE
NORTHEASTERN BERING SEA WILL EXTEND WEST FROM THE ARCTIC OCEAN TO
WRANGEL ISLAND AND TO SIBERIA. A NORTH SOUTH RIDGE OVER WESTERN
CANADA WILL PERSIST THROUGH THU THEN MOVE EAST. LOW PRESSURE SOUTH
OF COLD BAY WILL MOVE NORTH TO THE PRIBILOFS BY THU EVENING. LOW
PRESSURE OVER THE NORTHERN PACIFIC WILL MOVE EAST TO THE WESTERN
ALEUTIANS BY FRI AFTERNOON.

SURFACE...HIGH PRESSURE OVER SIBERIA WILL MOVE NORTH THROUGH FRI.
BY FRI AFTERNOON THE HIGH WILL BE 1020 MB 400 MILES NORTH OF
BARROW. A 1003 MB LOW WILL FORM OVER THE BEAUFORT SEA COAST WED
NIGHT...THEN TRACK SLOWLY EAST THU AND THU NIGHT. A 962 MB LOW 300
MILES SOUTH OF COLD BAY WILL TRACK NORTH TO THE PRIBILOFS BY THU
AFTERNOON. A TROUGH ASSOCIATED WITH THE LOW WILL MOVE NORTH OVER
THE WEST COAST AND BY FRI MORNING WILL EXTEND FROM SAINT LAWRENCE
ISLAND THROUGH THE BERING STRAIT AND TO NORTH OF POINT HOPE. THE
TROUGH WILL CONTINUE WEST TO EASTERN SIBERIA FRI NIGHT. STRONG LOW
PRESSURE OVER THE SOUTHWEST BERING SEA WILL MOVE EAST AND BE 966 MB
300 MILES WEST OF ADAK FRI AFTERNOON. THE LOW WILL WEAKEN AND DRIFT
NORTH OVER THE CENTRAL BERING SEA ON SAT.

NORTH SLOPE...LOW PRESSURE FORMING OVER THE BEAUFORT SEA COAST WED
EVENING THEN MOVING SLOWLY EAST THROUGH THU NIGHT WILL BE MAINLY
DRY. COLDER POOL OF AIR WILL FOLLOW AFTER THE PASSAGE OF THE LOW.
EAST WINDS WILL GRADUALLY INCREASE FRI THROUGH SAT AS HIGH BUILDS
OVER THE ARCTIC OCEAN. ONLY FLURRIES EXPECTED THROUGH FRI.

WEST COAST...HIGH PRESSURE OVER SIBERIA AND LOW TO THE SOUTH OF
COLD BAY WITH FRONT MOVING SLOWLY WEST OVER THE BERING STRAIT
COAST WILL CAUSE BLIZZARD CONDITIONS FOR THE BERING STRAIT COAST
THIS EVENING. A TROUGH MOVING NORTHWEST OVER SOUTHWEST MAINLAND
ALASKA THU AND TO THE BERING STRAIT BY FRI MORNING WILL CAUSE AN
INCREASE OF WINDS AND ALSO POSSIBLE BLIZZARD CONDITIONS AGAIN FOR
THE BERING STRAIT COAST THU NIGHT AND FRI.

INTERIOR...CLOUDINESS OVER THE INTERIOR WILL DIMINISH TONIGHT AND
THU AS UPPER LEVEL MOVES NORTH. SOUTH WINDS THROUGH ALASKA RANGE
PASSES WILL BEGIN TO DIMINISH ON FRI. DRY CONDITIONS AND WARM
WEATHER WILL CONTINUE.

&&

.AFG WATCHES/WARNINGS/ADVISORIES...
BLIZZARD WARNING FOR AKZ213.

BRISK WIND ADVISORY FOR PKZ200-PKZ210-PKZ220-PKZ225-PKZ230.
&&

DA FEB 12