Brisk Wind Advisory 32, NWS Fairbanks, AK

NORTHERN ALASKA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE FAIRBANKS AK
1253 PM AKST FRI JAN 17 2014

.DISCUSSION...
ALOFT...THE DEEP LONG WAVE TROUGH OVER THE BERING SEA AND NORTH
WEST PACIFIC COMBINED WITH HIGH AMPLITUDE RIDGE CENTERED OVER THE
WEST COAST OF NORTH AMERICA LIKELY TO REMAIN IN PLACE ON THE
WHOLE THROUGH THE WEEKEND AND INTO NEXT WEEK. A DEEP TROUGH
REMAINS FROM THE CANADIAN ARCHIPELAGO SOUTHEAST AND IS
CONTRIBUTING TO BRUTAL COLD TEMPERATURES AND WINDS CHILLS ON THE
NORTH SLOPE.

...ON THE SURFACE FOCUS IS ON A 956 MB LOW CENTERED OVER BRISTOL
BAY WHICH IS PROGGED TO MOVE NORTHWEST TO BE 150 NM SOUTHWEST OF
NUNIVAK ISLAND THIS EVENING AND NEAR 60N 170W AS A 960 MB LOW
SATURDAY MORNING AND JUST NORTH OF ST MATTHEW ISLAND AS A 962 MB
LOW SATURDAY EVENING. A VERY STRONG GRADIENT BETWEEN A 1036 MB
HIGH OVER SIBERIA AND THE LOW CONTINUES TO CREATE STORM FORCE
WINDS OVER THE NORTHERN BERING SEA AND THROUGH THE BERING STRAIT
WHERE 70 MPH WIND GUSTS ARE NOW OCCURRING. WIND GUSTS NEAR 60 MPH
ALONG WITH WITH NEAR BLIZZARD CONDITIONS NOTED AT MANY LOCATIONS
SOUTH OF THE SEWARD PENINSULA ALONG AND NEAR THE COAST.

ONGOING WARNINGS LOOK ON TRACK FOR EVOLUTION OF CURRENT STORM
WITH SNOW AND BLOWING SNOW CONTINUING TO MOVE NORTH THROUGH THE
SEAWARD PENINSULA AND WESTERN BROOKS RANGE THIS AFTERNOON AND ONTO
THE NORTH SLOPE THIS EVENING. SNOW MAY MIX WITH FREEZING RAIN AT
TIMES ALONG THE YK DELTA AND WESTERN INTERIOR SOUTH OF GALENA THIS
AFTERNOON AND EVENING BEFORE WRAP AROUND MOISTURE WITH COLDER AIR
ALOFT MOVES BACK INTO THE AREA AND CHANGES THE PRECIP BACK TO SNOW
LATE TONIGHT AND SATURDAY.

WINTER WEATHER ADVISORIES FOR BLOWING SNOW ACROSS THE INTERIOR
FOR BLOWING SNOW ON SUMMITS AND WIND ADVISORIES THROUGH THE ALASKA
RANGE ALSO ON TRACK WITH WINDS GUSTING IN EXCESS OF 30 MPH ON
INTERIOR SUMMITS. WINDS GUSTING IN THE 50 TO 65 MPH RANGE THROUGH
THE ALASKA RANGE.

LOOKING PAST THE CURRENT STORM THE HIGH AMPLITUDE PATTERN ALOFT
WILL STEER ANOTHER POWERFUL STORM WITH A VERY SIMILAR TRACK AND IS
FORECAST TO MOVE NORTH OUT OF THE NORTHWEST PACIFIC INTO THE
BERING SEA MONDAY NIGHT. MODELS HAVE A 965 MB LOW OVER COLD BAY
MONDAY MORNING AND MOVE THE LOW NORTH TO BE LOCATED NEAR NUNIVAK
ISLAND AS A 975 MB LOW MONDAY NIGHT. ANOTHER ROUND OF SNOW
POSSIBLY MIXING WITH FREEZING RAIN LOOK LIKELY FOR THE YK DELTA
BEGINNING SUNDAY NIGHT AND SNOW FOR THE SEWARD PENINSULA AND
WESTERN INTERIOR SOUTH OF THE BROOKS MONDAY. WINDS WILL LIKELY
REACH ADVISORY LEVELS AGAIN THROUGH THE ALASKA RANGE SUNDAY NIGHT
AND CONTINUE THROUGH MONDAY. ABOVE NORMAL TEMPERATURES WILL
CONTINUE ACROSS THE INTERIOR WELL INTO NEXT WEEK.

&&

.AFG WATCHES/WARNINGS/ADVISORIES...
WIND ADVISORY FOR AKZ223-AKZ225-AKZ226-AKZ227.

WINTER STORM WARNING FOR AKZ201-AKZ202-AKZ203-AKZ204-AKZ205-
AKZ206-AKZ207-AKZ208-AKZ209-AKZ210-AKZ211-AKZ212-AKZ214-AKZ215-
AKZ216-AKZ217.

BLIZZARD WARNING FOR AKZ213.

WINTER WEATHER ADVISORY FOR AKZ218-AKZ219-AKZ220-AKZ221.

GALE WARNING FOR PKZ200-PKZ220-PKZ225-PKZ245.

STORM WARNING FOR PKZ210-PKZ225.

BRISK WIND ADVISORY FOR PKZ215-PKZ230-PKZ235-PKZ240-PKZ245.
&&

CCC JAN 14