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759
FZAK80 PAFC 292303
ICEAFC

SEA ICE ADVISORY FOR WESTERN AND ARCTIC ALASKAN COASTAL WATERS
NATIONAL WEATHER SERVICE ANCHORAGE ALASKA
303 PM AKDT MONDAY 29 SEPTEMBER 2014

FORECAST VALID...SATURDAY 4 OCTOBER 2014

ANALYSIS CONFIDENCE...LOW TO MODERATE

SYNOPSIS...A LOW PRESSURE SYSTEM WILL RESIDE OVER THE CHUKCHI AND
BEAUFORT SEAS THROUGH WEDNESDAY...THEN MOVE NORTH OVER THE ARCTIC
OCEAN THROUGH SATURDAY.

-ARCTIC OCEAN-

ICE COVERED.

-CHUKCHI SEA-

THE MAIN ICE EDGE LIES FROM A POINT ROUGHLY 145 NM NORTH OF BARROW
TO 74.9N 159.1W TO 74.7N 161.2W TO 76.9N 166.6W TO 75.9N 168.6W TO
75N 177.3W TO 74.5N 175.1E AND CONTINUES WESTWARD INTO THE RUSSIAN
ARCTIC. THE ICE EDGE IS MAINLY OPEN WATER...WITH PATCHY AREAS OF NEW
ICE.

FORECAST THROUGH SATURDAY FOR THE CHUKCHI SEA...MODERATE TO STRONG
WINDS WILL PERSIST THROUGH LATE MONDAY. WINDS WILL SWITCH BACK TO
THE WEST AND GRADUALLY WEAKEN THROUGH WEDNESDAY. THE OVERALL ICE
EDGE IS EXPECTED TO EXPAND 15 TO 30 NM TO THE SOUTH WITH NEW ICE
DEVELOPING ALONG THE ICE EDGE.

-BEAUFORT SEA-

THE MAIN ICE EDGE LIES FROM THE SOUTHWEST COAST OF BANKS ISLAND TO
71.1N 138.6W TO 72.1N 141.2W TO 71.7N 144.3W TO 74.2N 152.8W TO A
POINT ROUGHLY 145 NM NORTH OF BARROW. THE ICE EDGE CONSISTS OF
MAINLY OPEN WATER...WITH PATCHY AREAS OF NEW ICE.

FORECAST THROUGH SATURDAY FOR THE BEAUFORT SEA...WINDS WILL BE LIGHT
THROUGH WEDNESDAY AS LOW PRESSURE REMAINS OVERHEAD...THEN BECOME
MODERATE FROM THE WEST TO NORTHWEST THROUGH THURSDAY. WINDS WILL
AGAIN BECOME LIGHT ON FRIDAY AND SATURDAY. THE OVERALL ICE EDGE IS
EXPECTED TO EXPAND UP TO 10 NM TO THE SOUTH WITH NEW ICE DEVELOPING
ALONG THE ICE EDGE. NEW ICE IS EXPECTED TO DEVELOP IN THE PROTECTED
BAYS ALONG THE BEAUFORT COAST WITH FRESH WATER INPUT FROM INTERIOR
RIVERS.

$$

SCHRECK




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