Sea Ice Advisory


FZAK80 PAFC 212254
ICEAFC

SEA ICE ADVISORY FOR WESTERN AND ARCTIC ALASKAN COASTAL WATERS  
NATIONAL WEATHER SERVICE ANCHORAGE ALASKA 
200 PM AKDT FRIDAY 21 NOVEMBER 2014 

FORECAST VALID...WEDNESDAY 26 NOVEMBER 2014

ANALYSIS CONFIDENCE...MODERATE.
                      
SYNOPSIS...A SERIES OF LARGE LOW PRESSURE SYSTEMS WILL PASS FROM THE 
BERING SEA OVER TO THE GULF OF ALASKA THROUGH WEDNESDAY. HIGH 
PRESSURE WILL REMAIN OVER MUCH OF THE CHUKCHI SEA AND BEAUFORT SEA 
THROUGH WEDNESDAY. 

-ARCTIC OCEAN-

ICE COVERED.

-CHUKCHI SEA-
PKZ500-WESTERN US ARCTIC OFFSHORE-
PKZ230-CAPE BEAUFORT TO POINT FRANKLIN-
PKZ225-CAPE THOMPSON TO CAPE BEAUFORT-
PKZ215-KOTZEBUE SOUND-

THE MAIN ICE EDGE LIES FROM NEAR WALES TO 67.0N 164.3W TO 69.2N 
167.5W TO 70.4N 165.3W TO 70.6N 162.9W TO 71.4N 167.4W TO 72.3N 
167.6W TO 72.8N 173.9W AND CONTINUES INTO THE RUSSIAN ARCTIC. THE 
ICE EDGE RANGES FROM OPEN WATER TO 9 TENTHS NEW AND YOUNG SEA ICE. 
 
FORECAST THROUGH WEDNESDAY FOR THE CHUKCHI SEA...EASTERLY TO 
NORTHEASTERLY FLOW WILL PERSIST THROUGH WEDNESDAY. THE OVERALL ICE 
EDGE IS EXPECTED TO SHIFT 25 TO 40 NM TO THE SOUTHWEST THROUGH 
WEDNESDAY. ICE ALONG THE WEST COAST OF ALASKA WILL LIKELY EXPAND UP 
TO 15 MILES FROM THE COAST THROUGH WEDNESDAY.

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

ICE COVERED. 

-BERING SEA-
PKZ200-NORTON SOUND-
PKZ210-DALL POINT TO WALES-
PKZ180-KUSKOKWIM DELTA AND ETOLIN STRAIT-

THE MAIN ICE EDGE LIES UP TO 25 NM OFF THE ALASKA WEST MONDAYCOAST 
FROM THE KUSKOKWIM DELTA TO NORTON SOUND. 

FORECAST THROUGH WEDNESDAY FOR THE BERING SEA...NORTHEASTERLY TO 
EASTERLY FLOW WILL PERSIST OVER MUCH OF THE ALASKA WEST COAST OF THE 
BERING SEA THROUGH MONDAY.  SOUTHEASTERLY TO EASTERLY FLOW WILL 
DEVELOP OVER THE COAST TUESDAY THROUGH WEDNESDAY. THE OFFSHORE FLOW 
AND COOLER TEMPERATURES ARE EXPECTED TO AID IN NEW SEA ICE FORMATION 
FROM THE ALASKA COAST NEAR NUNIVAK ISLAND UP TO NORTON SOUND THROUGH 
WEDNESDAY.
 
$$