Ice Forecast
Issued by NWS Anchorage, AK

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000
FZAK80 PAFC 272119
ICEAFC

SEA ICE ADVISORY FOR WESTERN AND ARCTIC ALASKAN COASTAL WATERS
NATIONAL WEATHER SERVICE ANCHORAGE ALASKA
115 PM AKDT WEDNESDAY 27 JULY 2016

FORECAST VALID...MONDAY 1 AUGUST 2016

ANALYSIS CONFIDENCE...MODERATE TO HIGH

SYNOPSIS...LOW PRESSURE WILL REMAIN OVER THE CHUKCHI AND BEAUFORT
SEAS THROUGH MONDAY. HIGH PRESSURE WILL MOVE EASTWARD ACROSS EASTERN
RUSSIA FRIDAY THROUGH SUNDAY...THEN INTO THE NORTHERN BERING SEA
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-

ICE COVERED.

-BEAUFORT SEA-
-CHUKCHI SEA-
PKZ225-CAPE THOMPSON TO CAPE BEAUFORT-

THE MAIN ICE EDGE EXTENDS FROM NEAR WAINWRIGHT TO 70.6N 161.9W TO
71.2N 165.1W TO 72.2N 166.8W TO 71.4N 173.8W TO THE RUSSIAN COAST
NEAR 66.2N 169.8W. THE ICE EDGE IS MAINLY OPEN WATER.

FORECAST THROUGH MONDAY FOR THE BEAUFORT SEA...IN THE NEAR SHORE
WATERS UP TO 60 NM BEYOND THE BARRIER ISLANDS...LARGE SEA ICE FLOES
HAVE DETERIORATED LEAVING BEHIND HIGH CONCENTRATIONS OF BRASH SEA
ICE THAT IS DRIFTING WITH THE LOCAL CURRENTS AND WINDS AT THIS TIME.
THIS BRASH SEA ICE IS EXPECTED TO VERY SLOWLY CONTINUE TO MELT AND
DECREASE ONLY SLIGHTLY IN CONCENTRATION THROUGH MONDAY.

FORECAST THROUGH MONDAY FOR THE CHUKCHI SEA...RELATIVELY LIGHT AND
VARIABLE FLOW OVER THE REMAINING PACK ICE WILL GRADUALLY BECOME MORE
WESTERLY BY MIDWEEK AND THEN PERSIST THROUGH MONDAY. A BRIEF PERIOD
OF SOUTHERLY FLOW CAN BE EXPECTED ON SUNDAY AS A LOW PASSES BY TO
THE NORTH. THE ICE EDGE IS EXPECTED TO SLOWLY RETREAT THROUGH
WEDNESDAY AND THEN DRIFT EASTWARD BY UP TO 20 NAUTICAL MILES THROUGH
MONDAY.

$$


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