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FZAK80 PAFC 272248
ICEAFC

SEA ICE ADVISORY FOR WESTERN AND ARCTIC ALASKAN COASTAL WATERS 
NATIONAL WEATHER SERVICE ANCHORAGE ALASKA 
250 PM AKDT MONDAY 27 JULY 2015 

FORECAST VALID...SATURDAY 01 AUGUST 2015

ANALYSIS CONFIDENCE...MODERATE
                      
SYNOPSIS...A LOW WILL MOVE OVER THE EASTERN BEAUFORT SEA TUESDAY... 
SHIFTING OVER THE HIGH ARCTIC ON THURSDAY. HIGH PRESSURE OVER THE 
CHUKCHI SEA MONDAY WILL SHIFT EAST OVER THE BEAUFORT SEA BY 
THURSDAY... CONTINUING EAST OVER NORTHERN CANADA BY SATURDAY. 
ANOTHER LOW WILL MOVE NEAR WRANGEL ISLAND FRIDAY... SHIFTING NORTH 
OF BARROW BY SATURDAY. 

-ARCTIC OCEAN-
-BEAUFORT SEA-
-CHUKCHI SEA-
PKZ510-EASTERN US ARCTIC OFFSHORE-
PKZ505-CENTRAL US ARCTIC OFFSHORE- 
PKZ240-CAPE HALKETT TO FLAXMAN ISLAND-

ICE COVERED.

-CHUKCHI SEA-
PKZ500-WESTERN US ARCTIC OFFSHORE-
PKZ230-CAPE BEAUFORT TO POINT FRANKLIN-
PKZ235-POINT FRANKLIN TO CAPE HALKETT-

THE MAIN ICE EDGE LIES FROM THE ALASKA COAST NEAR BARROW TO 71.5N 
159.0W TO 71.0N 161.6W TO 72.1N 165.1W TO 72.4N 161.4W TO 72.9N 
161.8W TO 73.5N 168.9W TO 72.4N 172.5W AND CONTINUES IN RUSSIAN 
WATERS. THE ICE EDGE IS MAINLY OPEN WATER.

FORECAST THROUGH SATURDAY FOR THE CHUKCHI SEA...NORTHEASTERLY FLOW 
WILL PERSIST OVER THE ICE EDGE THROUGH WEDNESDAY... THEN WEAKEN LATE 
WEDNESDAY INTO EARLY THURSDAY. SOUTHERLY TO SOUTHWESTERLY FLOW WILL 
PERSIST FRIDAY THROUGH SATURDAY. SEA ICE ALONG THE ICE EDGE IS 
EXPECTED TO CONTINUE SLOWLY MELTING AND SPREADING APART DURING THE 
PERIOD OF NORTHEASTERLY FLOW. AS MODERATE SOUTHERLY TO SOUTHWESTERLY 
FLOW BUILDS FRIDAY THE SEA ICE EDGE IS EXPECTED TO CONSOLIDATE AND 
SHIFT BACK TO THE NORTHEAST. THE OVERALL ICE EDGE IS EXPECTED TO 
RETREAT TO THE NORTH NORTHEAST 10 TO 25 NM THROUGH SATURDAY.

-BEAUFORT SEA-
PKZ245-FLAXMAN ISLAND TO DEMARCATION POINT-

THE MAIN ICE EDGE LIES FROM NEAR THE SOUTHWEST CORNER OF BANKS 
ISLAND TO 70.5N 131.5W TO THE COAST NEAR 69.4N 139.0W. THE ICE EDGE 
IS MAINLY OPEN WATER.

FORECAST THROUGH SATURDAY FOR THE BEAUFORT SEA...NORTHERLY TO 
WESTERLY FLOW IS EXPECTED TO PERSIST OVER THE ICE EDGE THROUGH 
WEDNESDAY WITH WINDS DECREASING ON THURSDAY. SOUTHEASTERLY TO 
SOUTHERLY FLOW IS EXPECTED TO RETURN FRIDAY THROUGH SATURDAY. THE 
OVERALL ICE EDGE IS EXPECTED TO SHIFT TO THE NORTHWEST 5 TO 20 NM 
THROUGH SATURDAY.
 
$$

Alaska Region Headquarters
222 West 7th Avenue #23
Anchorage, AK 99513-7575
Voice: 1-907-271-5088
Fax: 1-907-271-3711
Recorded Forecast: 1-800-472-0391
Webmaster Email: ARH Webauthors
Page Modified: 03 Feb 2008 18:00 UTC
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