615
FZAK80 PAFC 162248
ICEAFC
SEA ICE ADVISORY FOR WESTERN AND ARCTIC ALASKAN COASTAL WATERS
NATIONAL WEATHER SERVICE ANCHORAGE ALASKA
230 PM AKDT MONDAY 16 SEPTEMBER 2019
FORECAST VALID...SATURDAY 21 SEPTEMBER 2019
ANALYSIS CONFIDENCE...HIGH TO MODERATE
SYNOPSIS...THERE ARE CURRENTLY TWO LOWS EFFECTING WEATHER IN ALAKSA -
ONE IS CENTERED IN THE GULF OF ALAKSA, THE OTHER IS CENTERED OVER
THE WESTERN ALEUTIANS. THE CHUKCHI AND BEAUFORT ARE ON THE FRINGES
OF HIGH PRESSURE EXTENDING FROM THE NORTH POLE DOWN TO EASTERN
SIBERIA. BY WEDNESDAY, THE LOW WHICH WAS OVER THE ALEUTIANS MOVES
INTO WESTERN ALASKA, ALSO BRINGING LOW PRESSURE TO THE CHUKCHI AND
SOUTHERN BEAUFORT. THIS LOW SPINS OFF AND REMAINS CENTERED
NORTHWEST OF WAINWRIGHT.
-CHUKCHI SEA-
THE MAIN ICE EDGE IN THE CHUKCHI SEA EXTENDS FROM APPROXIMATELY 410
NM NORTH OF POINT BARROW TO 76.9N 175.1W TO 76.1N 177.6W TO 78.6N
179.9W TO 76.1N 176.1W AND CONTINUES IN RUSSIAN WATERS. THE ICE EDGE
IS MAINLY OPEN WATER.
FORECAST FOR THE CHUKCHI SEA (DAYS 1 THROUGH 5)...LIGHT AND
NORTHERLY WINDS WILL CONTINUE THROUGH WEDNESDAY. ON THURSDAY, WINDS
SWITCH TO EASTERLY AT 20-25 KNOTS, MOVING BACK TO VARIABLE ON
FRIDAY.
-BEAUFORT SEA-
THE MAIN ICE EDGE IN THE BEAUFORT SEA EXTENDS FROM APPROXIMATELY 410
NM NORTH OF POINT BARROW TO 76.9N 145.5W TO 73.8N 142.2W TO 74.1N
135.5W AND CONTINUES IN CANADIAN WATERS. THE ICE EDGE IS MAINLY OPEN
WATER.
FORECAST FOR THE BEAUFORT SEA (DAYS 1 THROUGH 5)...WINDS ARE
CURRENTLY LIGHT AND VARIABLE. BEGINNING ON WEDNESDAY AND EXTENDING
INTO FRIDAY, WINDS WILL BE OUT OF THE EAST AT 20-30 KNOTS.
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