821
FZAK80 PAFC 102236
ICEAFC
SEA ICE ADVISORY FOR WESTERN AND ARCTIC ALASKAN COASTAL WATERS
NATIONAL WEATHER SERVICE ANCHORAGE ALASKA
235 PM AKDT FRIDAY 10 JULY 2020
FORECAST VALID...WEDNESDAY 15 JULY 2020
ANALYSIS CONFIDENCE...HIGH
SYNOPSIS...HIGH PRESSURE REMAINS OVER THE HIGH ARCTIC WITH A BROAD
AREA OF LOW PRESSURE OVER THE ALASKA MAINLAND. ON SATURDAY A WEAK
AREA OF LOW PRESSURE WILL MOVE SOUTHWARD THROUGH THE BEAUFORT SEA
TOWARD THE COAST. THIS WILL COMBINE WITH THE LOW PRESSURE OVER THE
MAINLAND ON MONDAY.
-BEAUFORT SEA-
-CHUKCHI SEA-
PKZ235-POINT FRANKLIN TO CAPE HALKETT-
PKZ240-CAPE HALKETT TO FLAXMAN ISLAND-
PKZ500-WESTERN U.S. ARCTIC OFFSHORE-
PKZ505-CENTRAL U.S. ARCTIC OFFSHORE-
PKZ510-EASTERN U.S. ARCTIC OFFSHORE-
ICE COVERED.
-CHUKCHI SEA-
-BEAUFORT SEA-
PKZ215-KOTZEBUE SOUND-
PKZ220-WALES TO CAPE THOMPSON-
PKZ225-CAPE THOMPSON TO CAPE BEAUFORT-
PKZ230-CAPE BEAUFORT TO POINT FRANKLIN-
THE MAIN SEA ICE EDGE GOES FROM NEAR POINT BARROW TO 70.1N 160.1W TO
71.5N 166.1W TO 72.9N 166.1 W TO 72.5N 168.3W TO 69.8N 168.9W TO
70.2N 172.9W TO 71.8N 175.74W TO 69.2N 176.4 W AND CONTINUES
SOUTHEAST TO THE RUSSIAN COAST. A SMALL AREA OF ICE REMAINS NEAR ICY
CAPE.
FORECAST FOR THE CHUKCHI SEA (DAYS 1 THROUGH 5)...EXPECT EASTERLY
WINDS THROUGH SATURDAY, SWITCHING TO NORTHERLY FOR A BRIEF PERIOD
ON SUNDAY BUT RETURNING TO EASTERLY AGAIN BY MONDAY. THE ICE EDGE
WILL RETREAT AND MELT WESTWARD 25 TO 40 NM THROUGH WEDNESDAY.
-BEAUFORT SEA-
PKZ245-FLAXMAN ISLAND TO DEMARCATION POINT-
FORECAST FOR THE BEAUFORT SEA (DAYS 1 THROUGH 5)...A BIT COOLER OF
AN AIR MASS AND LIGHT NORTHERLY WINDS WILL REMAIN THROUGH SUNDAY
NIGHT. STRONGER EASTERLY WINDS WILL RETURN ON MONDAY NIGHT AND LAST
THROUGH WEDNESDAY. EXPECT CONTINUED THINNING OF THE PACK ICE BETWEEN
UTQIAGVIK AND PRUDHOE BAY WHILE THE MAIN PACK MOVES SOUTHWARD 5-15
NM.
FODE
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