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FZAK80 PAFC 182233
ICEAFC

SEA ICE ADVISORY FOR WESTERN AND ARCTIC ALASKAN COASTAL WATERS
NATIONAL WEATHER SERVICE ANCHORAGE ALASKA
231 PM AKDT FRIDAY 18 APRIL 2014

FORECAST VALID...WEDNESDAY 23 APRIL 2014

ANALYSIS CONFIDENCE...MODERATE TO LOW.

SYNOPSIS...A LARGE COMPLEX LOW OVER THE GULF OF ALASKA WILL PERSIST
THROUGH SUNDAY. ANOTHER LARGE LOW WILL MOVE EASTWARD ACROSS THE
ALEUTIAN ISLAND CHAIN SUNDAY THROUGH WEDNESDAY.

-ARCTIC OCEAN-
-BEAUFORT SEA-
-CHUKCHI SEA-
PKZ245-FLAXMAN ISLAND TO DEMARCATION POINT-
PKZ240-CAPE HALKETT TO FLAXMAN ISLAND-
PKZ235-POINT FRANKLIN TO CAPE HALKETT-
PKZ230-CAPE BEAUFORT TO POINT FRANKLIN-
PKZ225-CAPE THOMPSON TO CAPE BEAUFORT-
PKZ220-WALES TO CAPE THOMPSON-
PKZ215-KOTZEBUE SOUND-
PKZ200-NORTON SOUND-

ICE COVERED.

-BERING SEA-
PKZ210-DALL POINT TO WALES-
PKZ181-NORTH AND WEST OF NUNIVAK ISLAND-
PKZ180-KUSKOKWIM DELTA AND ETOLIN STRAIT-

THE ICE EDGE LIES FROM THE KUSKOKWIM BAY TO 59.7N 164.1W TO 62N
166.4W TO 61.1N 168.5W TO 59.8N 165.7W TO 60.2N 167.9W TO 59.5N
169.4W TO 61.3N 176.8E AND CONTINUES ALONG THE BERING SEA COAST OF
RUSSIA. THE ICE EDGE RANGES 3 TO 7 TENTHS YOUNG...NEW AND FIRST YEAR
THIN ICE IN STRIPS.

FORECAST THROUGH WEDNESDAY...NORTHERLY FLOW WILL PERSIST THROUGH
SUNDAY SHIFTING THE ICE PACK TO THE SOUTHWEST. FLOW WILL BECOME
EASTERLY TO NORTHEASTERLY AGAIN ON MONDAY AND PERSIST THROUGH
WEDNESDAY. THE OVERALL ICE EDGE IS EXPECTED TO SHIFT TO THE
SOUTHWEST 15 TO 25 NM THROUGH WEDNESDAY AS STRIPS OF ICE ARE PULLED
OFF THE MAIN ICE PACK. THE AREA SOUTH OF NUNIVAK ISLAND OVER TO
KUSKOKWIM BAY SHOULD BE SEA ICE FREE BY MONDAY WITH THE ONLY ICE
REMAINING NEAR SHORE WITH STRIPS OF ICE BEING PULLED OFF THE
PREVIOUSLY SHOREFAST ICE. RIVER ICE WILL CONTINUE TO ENTER BRISTOL
BAY NEAR RIVER DELTAS THROUGH BREAKUP.

SCHRECK 2014

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