639
FZAK80 PAFC 210238
ICEAFC
SEA ICE ADVISORY FOR WESTERN AND ARCTIC ALASKAN COASTAL WATERS
NATIONAL WEATHER SERVICE ANCHORAGE ALASKA
520 PM AKST FRIDAY NOVEMBER 20 2009
FORECAST VALID...WEDNESDAY NOVEMBER 25 2009
ANALYSIS CONFIDENCE...MODERATE TO HIGH.
SYNOPSIS...A STORM MOVING ACROSS THE SOUTHERN BERING WILL MOVE TO
WESTERN BRISTOL BAY SUNDAY EVENING. A STRONGER STORM WILL MOVE NORTH
ACROSS THE WESTERN GULF SUNDAY NIGHT AND MONDAY. A NEW LOW WILL
DEVELOP NEAR ST LAWRENCE ISLAND MONDAY NIGHT AND HOLD THROUGH
WEDNESDAY. A NEW STORM FROM THE NORTHWEST PACIFIC WILL MOVE EAST
ALONG THE ALEUTIANS DURING THE SAME TIME PERIOD.
-ARCTIC OCEAN-
-BEAUFORT SEA-
PKZ510-EASTERN US ARCTIC OFFSHORE-
PKZ505-CENTRAL US ARCTIC OFFSHORE-
PKZ500-WESTERN US ARCTIC OFFSHORE-
PKZ215-KOTZEBUE SOUND-
ICE COVERED.
-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-
THE MAIN ICE EDGE LIES FROM NEAR CAPE NEWENHAM TO 59N 164W
TO 59.2N 164.5W TO 60.4N 166.1W 62.0N 167.2W TO 63.8N 165.2W TO 65.4N
168W TO 65.6N 168.5W TO 66.3N 167.4W TO 66.5N 166.3W TO 68.5N 168.6W
TO 68.8N 170.2W TO 67.1N 170.6W TO 10 NM WEST OF BIG DIOMEDE ISLAND
AND CONTINUES AROUND THE COAST OF EASTERN RUSSIA TO THE SOUTHERN
COAST OF THE GULF OF ANADYR. THE ICE EDGE IS MAINLY 2 TO 7 TENTHS NEW
AND YOUNG ICE.
FORECAST THROUGH WEDNESDAY...FREEZE UP WILL CONTINUE WITH THE CHUKCHI
SEA SOUTH TO THE BERING STRAIT BECOMING ICE COVERED AT THE EARLIEST
MONDAY AFTERNOON AND AT THE LATEST WEDNESDAY EVENING.
-BERING SEA-
PKZ210-DALL POINT TO WALES-
PKZ200-NORTON SOUND-
PKZ180-SOUTHWEST ALASKA WATERS CAPE NEWENHAM TO DALL POINT-
PKZ160-BRISTOL BAY WATERS CAPE NEWENHAM TO PORT HEIDEN-
NORTON SOUND IS ICE COVERED.
1 TO 8 TENTHS NEW ICE LIES ALONG THE NORTHERN COAST OF BRISTOL BAY.
FORECAST THROUGH WEDNESDAY...SLOW ICE ALONG THE COAST FOR THE NEXT 48
HOURS. LATE IN THE WEEKEND INTO WEDNESDAY WINDS WILL BECOME
SOUTHERLY, AT WHICH TIME LITTLE ADDITIONAL ICE GROWTH IS EXPECTED.
PKZ140-COOK INLET NORTH OF KAMISHAK BAY AND ENGLISH BAY-
4 TO 8 TENTHS NEW ICE LIES IN KNIK AND TURNAGAIN ARMS.
2 TO 5 TENTHS NEW ICE LIES FROM THE SUSITNA RIVER DELTA NEAR THE
NORTH FORELAND AND BRUCE PLATFORM.
FORECAST THROUGH WEDNESDAY...A SLOW WARMING TREND WILL RESULT IN LESS
AND LESS ICE BUILD UP EACH DAY OF THE NEXT FIVE.
DP 2009
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