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FZAK80 PAFC 252200
ICEAFC

SEA ICE ADVISORY FOR WESTERN AND ARCTIC ALASKAN COASTAL WATERS
NATIONAL WEATHER SERVICE ANCHORAGE ALASKA 
200 PM AKDT WEDNESDAY 25 MAY 2016 

FORECAST VALID...MONDAY 30 MAY 2016

ANALYSIS CONFIDENCE...MODERATE
                      
SYNOPSIS...A RIDGE OF HIGH PRESSURE WILL PERSIST OVER MUCH OF
MAINLAND ALASKA THROUGH MONDAY. A SERIES OF LOWS WILL MOVE OVER THE
WESTERN BERING SEA THROUGH MONDAY. HIGH PRESSURE WILL PERSIST OVER
MUCH OF THE BEAUFORT AND CHUKCHI SEAS 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-
PKZ500-WESTERN US ARCTIC OFFSHORE-
PKZ230-CAPE BEAUFORT TO POINT FRANKLIN-
PKZ225-CAPE THOMPSON TO CAPE BEAUFORT-
PKZ220-WALES TO CAPE THOMPSON-
PKZ215-KOTZEBUE SOUND-

ICE COVERED.

FORECAST THROUGH MONDAY FOR THE CHUKCHI SEA...DURING THIS TIME IT IS
POSSIBLE THAT DETERIORATING SHOREFAST ICE LYING BEYOND BARRIER
ISLANDS IN THE VICINITY OF CAPE LISBURNE...POINT FRANKLIN...AND
ALONG THE COAST FROM POINT LAY TO ICY CAPE COULD CONTINUE TO BREAK
OFF AND DRIFT OFFSHORE. EXTRA CARE SHOULD BE TAKEN WHILE ON OR NEAR
THE COASTAL ICE IN THESE REGIONS THROUGH MONDAY.

-BERING SEA-

PKZ210-DALL POINT TO WALES-
PKZ200-NORTON SOUND-
PKZ181-NORTH AND WEST OF NUNIVAK ISLAND-
PKZ180-KUSKOKWIM DELTA AND ETOLIN STRAIT-

THE MAIN ICE EDGE IN THE BERING SEA EXTENDS FROM A POINT NEAR PORT
CLARENCE TO 62.6N 166.3W TO 62.2N 169.4W TO 63.3N 167.6W TO THE EAST
COAST OF SAINT LAWRENCE ISLAND. THE ICE EDGE THEN CONTINUES FROM
NEAR GAMBELL TO 64.6N 168.3W TO A POINT NEAR THE DIOMEDE ISLANDS AND
CONTINUES ALONG THE COAST OF EASTERN SIBERIA. AN ISOLATED AREA OF
RAPIDLY DETERIORATING SEA ICE ALSO LIES TO THE NORTHWEST OF SAINT
MATTHEW ISLAND IN THE WESTERN BERING SEA. THE ICE EDGE IS MAINLY
OPEN WATER.

FORECAST THROUGH MONDAY FOR THE BERING SEA...SOUTHERLY TO EASTERLY
FLOW WILL PERSIST OVER MUCH OF THE ICE PACK THROUGH MONDAY. 

SEA ICE CONCENTRATIONS IN THE BERING SEA WILL CONTINUE TO DECREASE
THROUGH MONDAY. WE EXPECT MUCH OF THE REMAINING SEA ICE IN THE
CENTRAL BERING SEA TO MELT OUT TO SEA ICE FREE CONDITIONS BY
MONDAY OWING TO WIND AND WAVE ACTION.

COASTAL ICE ALONG THE NORTHERN SIDE OF SAINT LAWRENCE ISLAND IS ALSO
EXPECTED TO CONTINUE TO DETERIORATE THROUGH MONDAY. LARGE SECTIONS
OF THE COASTAL ICE COULD BREAK OFF AND DRIFT TO THE NORTH. EXTRA
CARE SHOULD BE TAKEN WHILE ON OR NEAR THE COASTAL ICE IN THIS REGION
THROUGH MONDAY.

$$

Alaska Region Headquarters
222 West 7th Avenue #23
Anchorage, AK 99513-7575
Voice: 1-907-271-5088
Fax: 1-907-271-3711
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Page Modified: 03 Feb 2008 18:00 UTC
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