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NORTHERN ALASKA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE FAIRBANKS AK
505 AM AKST SAT FEB 6 2016
NORTHERN ALASKA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE FAIRBANKS AK
504 AM AKST SAT FEB 6 2016

.DISCUSSION...
THE MODELS ARE IN GOOD AGREEMENT IN THE SHORT
TERM...THEREAFTER...THE MODELS REMAIN IN DECENT AGREEMENT HOWEVER
THERE ARE MINOR DIFFERENCES IN TIMING OF SYSTEMS THAT WILL AFFECT
PRIMARILY THE WEST COAST.

.SURFACE...
STRONG HIGH PRESSURE WILL PERSIST NORTH OF THE ARCTIC COAST
THROUGH THE WEEKEND. A 983 LOW NORTHWEST OF SAINT PAUL ISLAND WILL
SLOWLY MOVE TO THE NORTHWEST AND WEAKEN. A SECOND LOW NEAR NUNIVAK
ISLAND WILL MOVE TO WESTERN NORTON SOUND BY 3 PM THIS
AFTERNOON...THEN WILL MOVE TO NEAR POINT HOPE AS A 1004 MB LOW BY
3 AM SUNDAY...THEN WILL WEAKEN IN PLACE BY EARLY MONDAY.  

.ALOFT...
AT 500 HPA...A 510 DAM LOW OVER DEADHORSE WILL SLIDE OFF TO THE
WEST AS AN UPPER LEVEL BUILDS ACROSS NORTHERN ALASKA THOUGH SUNDAY
AFTERNOON.  

.NORTH SLOPE...
A TIGHT PRESSURE GRADIENT BETWEEN THE ARCTIC HIGH AND THE LOW IN
THE BERING SEA WILL LEAD TO PERIODS OF GUSTY WINDS AND BLOWING
SNOW TODAY WITH THE STRONGEST WINDS EXPECTED IN ZONE 201. WILL
ISSUE A WINTER WEATHER ADVISORY FOR ZONE 201 FOR TODAY FOR BLOWING
SNOW.  EXPECT THAT THE PRESSURE GRADIENT WILL GRADUALLY WEAKEN
THROUGH THE WEEKEND AS THE AREA OF LOW PRESSURE IN THE BERING SEA
MOVES OFF TO THE WEST AND THE HIGH IN THE ARCTIC MIGRATES
EASTWARD. WE DO EXPECT BLOWING SNOW ACROSS THE EASTERN ARCTIC ON
SUNDAY. PRECIPITATION WILL GENERALLY LIMITED TO FLURRIES.

.WEST COAST AND WESTERN INTERIOR...
A SERIES OF OCCLUDED FRONTS WILL BRING PERIODS OF LIGHT SNOW TO
THE WEST COAST. THE SNOW AMOUNTS WILL GENERALLY BE
LIGHT...HOWEVER A FEW AREAS COULD SEE UP TO THREE INCHES. A TIGHT
PRESSURE GRADIENT ACROSS THE NORTHWESTERN ARCTIC WILL PERSIST
THROUGH THE MORNING...HOWEVER EXPECT WINDS TO GRADUALLY DIMINISH
LATER THIS AFTERNOON AS THE PRESSURE GRADIENT GETS WEAKER.

.CENTRAL AND EASTERN INTERIOR...
A SERIES OF OCCLUDED FRONTS WILL BRING SCATTERED SNOW SHOWERS OR
FLURRIES THROUGH THE WEEKEND. SOUTHERLY FLOW THROUGH THE ALASKA
RANGE WILL BRING GUSTY WINDS THROUGH PASSES BEGINNING ON MONDAY.


&&

.AFG WATCHES/WARNINGS/ADVISORIES...
WIND ADVISORY FOR AKZ217.

WINTER WEATHER ADVISORY FOR AKZ201.

GALE WARNING FOR PKZ225.

BRISK WIND ADVISORY FOR PKZ220-PKZ230-PKZ235.
&&

$$

FEB 16

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