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FZAK80 PAFC 012106
ICEAFC

SEA ICE ADVISORY FOR WESTERN AND ARCTIC ALASKAN COASTAL WATERS 
NATIONAL WEATHER SERVICE ANCHORAGE ALASKA 
110 PM AKDT WEDNESDAY 01 JULY 2015 

FORECAST VALID...MONDAY 06 JULY 2015

ANALYSIS CONFIDENCE...MODERATE TO LOW
                      
SYNOPSIS...LOW PRESSURE OVER THE NORTHERN CHUKCHI SEA IS EXPECTED TO 
WEAKEN AS IT SHIFTS NORTH OF BARROW LATE THURSDAY... DISSIPATING 
OVER THE NORTHERN BEAUFORT SEA FRIDAY. HIGH PRESSURE WILL SPREAD 
OVER MUCH OF THE CHUKCHI SEA AND BEAUFORT SEA LATE THURSDAY WITH THE 
HIGH STRENGTHENING OVER THE SOUTHERN BEAUFORT SEA THROUGH MONDAY. 

-ARCTIC OCEAN-
-BEAUFORT SEA-
-CHUKCHI SEA-
PKZ510-EASTERN US ARCTIC OFFSHORE-
PKZ505-CENTRAL US ARCTIC OFFSHORE- 
PKZ245-FLAXMAN ISLAND TO DEMARCATION POINT-
PKZ240-CAPE HALKETT TO FLAXMAN ISLAND-
PKZ235-POINT FRANKLIN TO CAPE HALKETT-

ICE COVERED.

-CHUKCHI SEA-
-BEAUFORT SEA-
PKZ500-WESTERN US ARCTIC OFFSHORE-
PKZ230-CAPE BEAUFORT TO POINT FRANKLIN-

THE MAIN ICE EDGE LIES FROM THE ALASKA COAST NEAR POINT FRANKLIN TO 
71.2N 166.1W TO 70.1N 169.5W TO 70.9N 174.5W TO 68.7N 174.7W TO THE 
RUSSIAN COAST NEAR 67.0N 172.6W. THE ICE EDGE IS MAINLY OPEN WATER. 

FORECAST THROUGH MONDAY FOR THE CHUKCHI SEA...SOUTHWESTERLY FLOW 
WILL PERSIST OVER MUCH OF THE CHUKCHI SEA ICE EDGE THROUGH MONDAY 
WITH A BRIEF PERIOD OF LIGHTER NORTHWESTERLY FLOW LATE THURSDAY INTO 
EARLY FRIDAY. THE ICE EDGE EAST OF 161W IS VERY COMPACT AT THIS TIME 
AND WE EXPECT MINIMAL ICE RETREAT THROUGH MONDAY... HOWEVER IN THE 
BARROW CANYON REGION WE EXPECT ICE CONCENTRATIONS TO THE NORTH AND 
NORTHEAST OF POINT BARROW TO SLOWLY CONTINUE DECREASING DUE TO THE 
WIND FLOW AND LOCAL OCEAN CURRENTS. WEST OF 161W THE OVERALL ICE 
PACK IS EXPECTED TO SLOWLY CONTINUE DECREASING IN CONCENTRATION WITH 
AN OVERALL ICE RETREAT 5 TO 15 NM TO THE NORTHEAST THROUGH MONDAY. 

$$


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