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FZAK80 PAFC 152203
ICEAFC

SEA ICE ADVISORY FOR WESTERN AND ARCTIC ALASKAN COASTAL WATERS 
NATIONAL WEATHER SERVICE ANCHORAGE ALASKA 
200 PM AKDT MONDAY 15 SEPTEMBER 2014 

FORECAST VALID...SATURDAY 20 SEPTEMBER 2014

ANALYSIS CONFIDENCE...MODERATE TO LOW.

SYNOPSIS...A BROAD AREA OF LOW PRESSURE STRETCHING FROM THE BERING 
SEA ACROSS MAINLAND ALASKA TO THE NORTH SLOPE OF ALASKA WILL REMAIN 
IN PLACE THROUGH SATURDAY. HIGH PRESSURE WILL PERSIST OVER MUCH OF 
THE NORTHERN CHUKCHI SEA AND BEAUFORT SEA THROUGH SATURDAY.  

-ARCTIC OCEAN-

ICE COVERED.

-CHUKCHI SEA-

THE MAIN ICE EDGE LIES FROM A POINT ROUGHLY 120 NM NORTH OF BARROW 
TO 73.9N 163.7W TO 74.4N 164.0W TO 74.8N 155.9W TO 76.8N 160.5W TO 
74.2N 173.1W AND CONTINUES TO THE WEST IN THE RUSSIAN ARCTIC. THE 
ICE EDGE IS MAINLY OPEN WATER. 

FORECAST THROUGH SATURDAY FOR THE CHUKCHI SEA...MODERATE EASTERLY TO 
NORTHEASTERLY FLOW IS EXPECTED TO PERSIST OVER THE ICE EDGE THROUGH 
THE END OF THE WEEK. THE REMAINING BELT OF ROTTING SEA ICE NEAR 74N 
IS EXPECTED TO MELT OUT TO SEA ICE FREE CONDITIONS BY SATURDAY OWING 
TO WIND AND WAVE ACTION.  THE REMAINDER OF THE CHUKCHI SEA ICE EDGE 
IS EXPECTED TO SHIFT 25 TO 40 NM TO THE WEST NORTHWEST THROUGH 
SATURDAY WITH STRIPS OF ICE BEING PULLED OFF WEST FACING ICE PACK 
EDGES. 

-BEAUFORT SEA-

THE MAIN ICE EDGE LIES FROM THE SOUTHWEST COAST OF BANKS ISLAND TO 
70.9N 135.3W TO 72.7N 145.2W TO 73.4N 147.3W TO 72.8N 154.0W TO A 
POINT ROUGHLY 120 NM NORTH OF BARROW. THE ICE EDGE RANGES FROM OPEN 
WATER TO 3 TENTHS FIRST YEAR MEDIUM... FIRST YEAR THIN AND OLD ICE. 
 
FORECAST THROUGH SATURDAY FOR THE BEAUFORT SEA...MODERATE TO STRONG 
EASTERLY TO NORTHEASTERLY FLOW WILL PERSIST OVER THE ICE EDGE 
THROUGH SATURDAY. THE ICE EDGE IS EXPECTED TO SHIFT 30 TO 40 NM TO 
THE WEST NORTHWEST THROUGH SATURDAY WITH STRIPS OF ICE BEING PULLED 
OFF WEST FACING EDGES OF THE MAIN ICE PACK.
 


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