Weather Service Report


110 
FXAK69 PAFG 072347
AFDAFG

NORTHERN ALASKA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE FAIRBANKS AK
247 PM AKST SUN FEB 7 2016

.DISCUSSION...
MODELS IN DECENT AGREEMENT THROUGH 60 HOURS. HUGE UPPER LEVEL
RIDGE EXTENDING FROM UPPER HIGH CENTERED OFF THE COAST OF
NORTHERN CALIFORNIA EXTENDS ALL THE WAY NORTH TO NEAR THE NORTH
POLE. UPPER LEVEL LOW ENTERED ABOUT 200 NM SOUTH OF KODIAK ISLAND
WILL BE ABSORBED BY THE NEXT BIG LOW MOVING JUST SOUTH OF THE
ALEUTIANS AND WILL DEVELOP A LARGE UPPER LEVEL TROUGH THAT CUTS
INTO THE SIDE OF THE RIDGE.

WEAK UPPER LEVEL LOW OVER NORTHWESTERN ALASKA WILL WEAKEN AND MOVE
SLIGHTLY EASTWARD TO THE EASTERN PORTION OF THE BROOKS RANGE BY
TUESDAY. AN UPPER LEVEL HIGH EXTENSION FROM THE PARENT RIDGE WILL
DEVELOP OVER NORTHWESTERN ALASKA BY TUESDAY AS WELL.

AS LOW IN THE GULF OF ALASKA MOVES WESTWARD...ITS OCCLUDED FRONT
WILL SWEEP WESTWARD JUST SOUTH OF THE Y-K DELTA BY TUE.

RELATIVELY STRONG PRESSURE GRADIENT ACROSS THE ARCTIC COAST WILL
CONTINUE TO MOVE EAST AND STRENGTHEN OVER THE AREA NEAR BARTER
ISLAND. EXPECTS ADVISORY LEVEL CONDITIONS TO END EARLY THIS
EVENING OVER THE WESTERN AND CENTRAL ARCTIC COAST. 

SNOW SHOWERS WILL BE ENDING OVER MOST ALL OF NORTHERN ALASKA BY
LATE THIS EVENING. THE BLOWING SNOW WILL BE TAPERING OFF ON THE
WEST COAST TONIGHT AS WELL AS THE WESTERN ARCTIC COAST AS THE
PRESSURE GRADIENT WEAKENS FROM THE LOW IN THE BERING WEAKENING
SUBSTANTIALLY.



&&

.AFG WATCHES/WARNINGS/ADVISORIES...
WINTER WEATHER ADVISORY FOR AKZ201.

BRISK WIND ADVISORY FOR PKZ210-PKZ215-PKZ225-PKZ230-PKZ235-
PKZ240-PKZ245.
&&

$$

CF FEB 16

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