Ice Analysis Layer: Concentration Stage Forecast  Legend

000
FZAK80 PAFC 232104
ICEAFC

SEA ICE ADVISORY FOR WESTERN AND ARCTIC ALASKAN COASTAL WATERS
NATIONAL WEATHER SERVICE ANCHORAGE ALASKA
103 PM AKDT FRIDAY 23 JUNE 2017

FORECAST VALID...WEDNESDAY 28 JUNE 2017

ANALYSIS CONFIDENCE...MODERATE TO HIGH

SYNOPSIS...A FRONTAL BOUNDARY WILL MOVE THROUGH THE CHUKCHI SEA
THROUGH SUNDAY...AS LOW PRESSURE REMAINS OVER THE ARCTIC OCEAN
THROUGH WEDNESDAY.

-ARCTIC OCEAN-
-BEAUFORT SEA-
PKZ510-EASTERN U.S. ARCTIC OFFSHORE-
PKZ505-CENTRAL U.S. ARCTIC OFFSHORE-
PKZ500-WESTERN U.S. ARCTIC OFFSHORE-
PKZ245-FLAXMAN ISLAND TO DEMARCATION POINT-
PKZ240-CAPE HALKETT TO FLAXMAN ISLAND-
PKZ235-POINT FRANKLIN TO CAPE HALKETT-

ICE COVERED.

-CHUKCHI SEA-
PKZ215-KOTZEBUE SOUND-
PKZ220-WALES TO CAPE THOMPSON-
PKZ225-CAPE THOMPSON TO CAPE BEAUFORT-
PKZ230-CAPE BEAUFORT TO POINT FRANKLIN-

THE MAIN ICE EDGE IN THE CHUKCHI SEA EXTENDS FROM 69.4N 163.2W TO
71.1N 158.9W TO 72.3N 163.9W TO 72.1N 171.9W TO 69.6N 177.6W TO
66.9N 169.5W TO THE RUSSIAN COAST NEAR 66.0N 169.6W. THE ICE EDGE IS
MAINLY OPEN WATER. THERE IS ALSO SOME SEA ICE REMAINING WITHIN
KOTZEBUE SOUND.

FORECAST THROUGH WEDNESDAY FOR THE CHUKCHI SEA...MODERATE
SOUTHWESTERLY WINDS WILL PERSIST THROUGH SATURDAY...THEN WINDS WILL
BECOME GENERALLY LIGHT AND VARIABLE THROUGH WEDNESDYA. THE OVERALL
ICE EDGE WILL SHIFT TO THE NORTHEAST 15 TO 25 NM THROUGH WEDNESDAY.
ADDITIONALLY...KOTZEBUE SOUND IS EXPECTED TO CONTINUE TO
DETERIORATE AND MELT...AND MAY BE SEA ICE FREE BY WEDNESDAY.

$$

Regional Information

Downloads: Shapefile : KMZ | last updated Sat Jun 24 13:10:01 AKDT 2017

Ice Concentration	Ice Stage	5 Day Ice Forecast

 

Cook Inlet Sector

Ice Concentration	Ice Stage

 

Sea Surface Temperature Analysis

Regional Analysis

 

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