000
FZAK80 PAFC 222250
ICEAFC
SEA ICE ADVISORY FOR WESTERN AND ARCTIC ALASKAN COASTAL WATERS
NATIONAL WEATHER SERVICE ANCHORAGE ALASKA
250 PM AKDT WEDNESDAY MAY 22 2013
FORECAST VALID...MONDAY MAY 27 2013
ANALYSIS CONFIDENCE...MODERATE TO HIGH.
SYNOPSIS...A LOW IN THE CENTRAL BERING SEA WILL WEAKEN AS IT TRACKS
OVER EASTERN SIBERIA LATE THURSDAY. A RIDGE OF HIGH PRESSURE WILL
BUILD OVER BRISTOL BAY LATE THURSDAY AND SPREAD ACROSS THE ALASKAN
WEST COAST FRIDAY... SHIFTING OVER THE ALASKAN NORTH SLOPE SATURDAY.
A NORTH PACIFIC LOW WILL CROSS THE CENTRAL ALEUTIANS INTO THE
SOUTHERN BERING SEA LATE FRIDAY AND WILL PERSIST IN THE SOUTHERN
BERING SEA THROUGH MONDAY.
-ARCTIC OCEAN-
-BEAUFORT SEA-
-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-
PKZ215-KOTZEBUE SOUND-
ICE COVERED.
A POLYNYA UP TO 10 NM WIDE HAS FORMED ALONG THE SHOREFAST ICE EDGE
FROM POINT BARROW TO THE EAST ALONG THE ALASKAN NORTH SLOPE.
FORECAST THROUGH MONDAY...LEADS WILL CONTINUE TO OPEN ALONG THE
NORTH AND NORTHWEST COAST THURSDAY THROUGH SATURDAY. SHOREFAST ICE
REMAINS UNSTABLE EXCEPT WHERE GROUNDED.
-BERING SEA-
PKZ210-DALL POINT TO WALES-
PKZ200-NORTON SOUND-
PKZ185-ST MATTHEW ISLAND WATERS
PKZ180-SOUTHWEST ALASKA WATERS CAPE NEWENHAM TO DALL POINT-
THE ICE EDGE LIES FROM NEAR CAPE NEWENHAM TO 59.4N 162.6W TO 58.7N
164.4W TO 58.2N 170.3W TO 60.1N 175.6W TO 61.8N 176.5W TO 61.8N
177.9E AND CONTINUES ALONG THE BERING COAST OF KAMCHATKA. THE ICE
EDGE EAST OF 167W IS OPEN WATER. THE ICE EDGE WEST OF 170W IS MAINLY
4 TO 9 TENTHS NEW...YOUNG AND FIRST YEAR THIN ICE.
FORECAST THROUGH MONDAY...THE ICE WILL CONTINUE TO RETREAT TO THE
NORTH THURSDAY THROUGH FRIDAY WITH SOUTHERLY FLOW... WARMING OCEAN
SURFACE TEMPERATURES AND ADDITIONAL SPRINGTIME SUNLIGHT ALL AIDING IN
MELTING THE ICE PACK. NORTHERLY FLOW WILL RETURN SATURDAY... BECOMING
EASTERLY SUNDAY THROUGH MONDAY. THE ICE RETREAT WILL SLOW BUT STILL
CONTINUE DURING THIS TIME. THE NET ICE EDGE MOVEMENT WILL BE TO THE
NORTH 35 TO 65 NM BY MONDAY. POLYNYAS WILL OPEN ALONG NORTH AND WEST
FACING COASTS FRIDAY THROUGH SATURDAY... AND ALONG SOUTHERN AND
WESTERN FACING COASTS SUNDAY THROUGH MONDAY. SHOREFAST ICE SHOULD BE
CONSIDERED VERY UNSTABLE.
BLEGATT 2013
$$
000
FZAK80 PAFC 222248
ICEAFC
SEA ICE ADVISORY FOR WESTERN AND ARCTIC ALASKAN COASTAL WATERS
NATIONAL WEATHER SERVICE ANCHORAGE ALASKA
248 PM AKDT WEDNESDAY MAY 22 2013
FORECAST VALID...MONDAY MAY 27 2013
ANALYSIS CONFIDENCE...MODERATE TO HIGH.
SYNOPSIS...A LOW IN THE CENTRAL BERING SEA WILL WEAKEN AS IT TRACKS
OVER EASTERN SIBERIA LATE THURSDAY. A RIDGE OF HIGH PRESSURE WILL
BUILD OVER BRISTOL BAY LATE THURSDAY AND SPREAD ACROSS THE ALASKAN
WEST COAST FRIDAY... SHIFTING OVER THE ALASKAN NORTH SLOPE SATURDAY.
A NORTH PACIFIC LOW WILL CROSS THE CENTRAL ALEUTIANS INTO THE
SOUTHERN BERING SEA LATE FRIDAY AND WILL PERSIST IN THE SOUTHERN
BERING SEA THROUGH MONDAY.
-ARCTIC OCEAN-
-BEAUFORT SEA-
-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-
PKZ215-KOTZEBUE SOUND-
ICE COVERED.
A POLYNYA UP TO 10 NM WIDE HAS FORMED ALONG THE SHOREFAST ICE EDGE
FROM POINT BARROW TO THE EAST ALONG THE ALASKAN NORTH SLOPE.
FORECAST THROUGH MONDAY...LEADS WILL CONTINUE TO OPEN ALONG THE
NORTH AND NORTHWEST COAST THURSDAY THROUGH SATURDAY. SHOREFAST ICE
REMAINS UNSTABLE EXCEPT WHERE GROUNDED.
-BERING SEA-
PKZ210-DALL POINT TO WALES-
PKZ200-NORTON SOUND-
PKZ185-ST MATTHEW ISLAND WATERS
PKZ180-SOUTHWEST ALASKA WATERS CAPE NEWENHAM TO DALL POINT-
THE ICE EDGE LIES FROM NEAR CAPE NEWENHAM TO 59.4N 162.6W TO 58.7N
164.4W TO 58.2N 170.3W TO 60.1N 175.6W TO 61.8N 176.5W TO 61.8N
177.9E AND CONTINUES ALONG THE BERING COAST OF KAMCHATKA. THE ICE
EDGE EAST OF 167W IS OPEN WATER. THE ICE EDGE WEST OF 170W IS MAINLY
4 TO 9 TENTHS NEW...YOUNG AND FIRST YEAR THIN ICE.
FORECAST THROUGH MONDAY...THE ICE WILL CONTINUE TO RETREAT TO THE
NORTH THURSDAY THROUGH FRIDAY WITH SOUTHERLY FLOW... WARMING OCEAN
SURFACE TEMPERATURES AND ADDITIONAL SPRINGTIME SUNLIGHT ALL AIDING IN
MELTING THE ICE PACK. NORTHERLY FLOW WILL RETURN SATURDAY... BECOMING
EASTERLY SUNDAY THROUGH MONDAY. THE ICE RETREAT WILL SLOW BUT STILL
CONTINUE DURING THIS TIME. THE NET ICE EDGE MOVEMENT WILL BE TO THE
NORTH 35 TO 65 NM BY MONDAY. POLYNYAS WILL OPEN ALONG NORTH AND WEST
FACING COASTS FRIDAY THROUGH SATURDAY... AND ALONG SOUTHERN AND
WESTERN FACING COASTS SUNDAY THROUGH MONDAY. SHOREFAST ICE SHOULD BE
CONSIDERED VERY UNSTABLE.
BLEGATT 2013
$$
000
FZAK80 PAFC 222248
ICEAFC
SEA ICE ADVISORY FOR WESTERN AND ARCTIC ALASKAN COASTAL WATERS
NATIONAL WEATHER SERVICE ANCHORAGE ALASKA
348 PM AKDT WEDNESDAY MAY 22 2013
FORECAST VALID...MONDAY MAY 27 2013
ANALYSIS CONFIDENCE...MODERATE TO HIGH.
SYNOPSIS...A LOW IN THE CENTRAL BERING SEA WILL WEAKEN AS IT TRACKS
OVER EASTERN SIBERIA LATE THURSDAY. A RIDGE OF HIGH PRESSURE WILL
BUILD OVER BRISTOL BAY LATE THURSDAY AND SPREAD ACROSS THE ALASKAN
WEST COAST FRIDAY... SHIFTING OVER THE ALASKAN NORTH SLOPE SATURDAY.
A NORTH PACIFIC LOW WILL CROSS THE CENTRAL ALEUTIANS INTO THE
SOUTHERN BERING SEA LATE FRIDAY AND WILL PERSIST IN THE SOUTHERN
BERING SEA THROUGH MONDAY.
-ARCTIC OCEAN-
-BEAUFORT SEA-
-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-
PKZ215-KOTZEBUE SOUND-
ICE COVERED.
A POLYNYA UP TO 10 NM WIDE HAS FORMED ALONG THE SHOREFAST ICE EDGE
FROM POINT BARROW TO THE EAST ALONG THE ALASKAN NORTH SLOPE.
FORECAST THROUGH MONDAY...LEADS WILL CONTINUE TO OPEN ALONG THE
NORTH AND NORTHWEST COAST THURSDAY THROUGH SATURDAY. SHOREFAST ICE
REMAINS UNSTABLE EXCEPT WHERE GROUNDED.
-BERING SEA-
PKZ210-DALL POINT TO WALES-
PKZ200-NORTON SOUND-
PKZ185-ST MATTHEW ISLAND WATERS
PKZ180-SOUTHWEST ALASKA WATERS CAPE NEWENHAM TO DALL POINT-
THE ICE EDGE LIES FROM NEAR CAPE NEWENHAM TO 59.4N 162.6W TO 58.7N
164.4W TO 58.2N 170.3W TO 60.1N 175.6W TO 61.8N 176.5W TO 61.8N
177.9E AND CONTINUES ALONG THE BERING COAST OF KAMCHATKA. THE ICE
EDGE EAST OF 167W IS OPEN WATER. THE ICE EDGE WEST OF 170W IS MAINLY
4 TO 9 TENTHS NEW...YOUNG AND FIRST YEAR THIN ICE.
FORECAST THROUGH MONDAY...THE ICE WILL CONTINUE TO RETREAT TO THE
NORTH THURSDAY THROUGH FRIDAY WITH SOUTHERLY FLOW... WARMING OCEAN
SURFACE TEMPERATURES AND ADDITIONAL SPRINGTIME SUNLIGHT ALL AIDING IN
MELTING THE ICE PACK. NORTHERLY FLOW WILL RETURN SATURDAY... BECOMING
EASTERLY SUNDAY THROUGH MONDAY. THE ICE RETREAT WILL SLOW BUT STILL
CONTINUE DURING THIS TIME. THE NET ICE EDGE MOVEMENT WILL BE TO THE
NORTH 35 TO 65 NM BY MONDAY. POLYNYAS WILL OPEN ALONG NORTH AND WEST
FACING COASTS FRIDAY THROUGH SATURDAY... AND ALONG SOUTHERN AND
WESTERN FACING COASTS SUNDAY THROUGH MONDAY. SHOREFAST ICE SHOULD BE
CONSIDERED VERY UNSTABLE.
BLEGATT 2013
$$
000
FZAK80 PAFC 210302 CCA
ICEAFC
SEA ICE ADVISORY FOR WESTERN AND ARCTIC ALASKAN COASTAL WATERS
NATIONAL WEATHER SERVICE ANCHORAGE ALASKA
655 PM AKDT MONDAY MAY 20 2013
...CORRECTED TO ADD THE BERING SEA PORTION...
FORECAST VALID...SATURDAY MAY 20 2013
ANALYSIS CONFIDENCE...MODERATE TO HIGH.
SYNOPSIS...A STRONG LOW OVER THE BERING SEA WILL MOVE OVER THE
CHUKCHI SEA BY FRIDAY. HIGH PRESSURE WILL BUILD OVER THE NORTHERN
CHUKCHI SEA AND THE BEAUFORT SEA TUESDAY THROUGH FRIDAY. WEAK HIGH
PRESSURE WILL BUILD OVER THE BERING SEA WEDNESDAY THROUGH SATURDAY. A
DEVELOPING NORTH PACIFIC LOW WILL APPROACH THE CENTRAL ALEUTIANS
SATURDAY.
-ARCTIC OCEAN-
-BEAUFORT SEA-
-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-
PKZ215-KOTZEBUE SOUND-
ICE COVERED.
AN AREA OF OPEN WATER UP TO 20 NM WIDE LIES OFF THE SHOREFAST ICE TO
THE NORTHEAST OF POINT BARROW.
FORECAST THROUGH SATURDAY...LEADS WILL CONTINUE TO OPEN ALONG THE
NORTH COAST THROUGH THURSDAY. LEADS WILL OPEN ALONG WEST FACING
COASTS THURSDAY THROUGH SATURDAY. SHOREFAST ICE REMAINS UNSTABLE
EXCEPT WHERE GROUNDED.
-BERING SEA-
PKZ210-DALL POINT TO WALES-
PKZ200-NORTON SOUND-
PKZ185-ST MATTHEW ISLAND WATERS
PKZ180-SOUTHWEST ALASKA WATERS CAPE NEWENHAM TO DALL POINT-
THE ICE EDGE LIES FROM NEAR CAPE NEWENHAM TO 59.4N 162.6W TO 59.2N
163.6W TO 58.5N 164.1W TO 57.6N 168.9W TO 59.7N 174.2W TO 61.7N
176.9W TO 61.9N 177.9E TO 60.5N 171.6E AND CONTINUES ALONG THE BERING
COAST OF KAMCHATKA. THE ICE EDGE WEST OF 170W IS OPEN WATER. THE ICE
EDGE EAST OF 170W IS MAINLY 6 TO 9 TENTHS NEW...YOUNG AND FIRST YEAR
THIN ICE.
FORECAST THROUGH SATURDAY...THE DRAMATIC ICE RETREAT WILL CONTINUE
THROUGH WEDNESDAY THEN SLOW THROUGH SATURDAY. THE ICE WILL MOVE TO
THE NORTH 25 TO 45 NM BY THURSDAY...THEN MOVE TO THE NORTH 15 TO 25
NM THROUGH SATURDAY. THE NET ICE MOVEMENT WILL BE TO THE NORTH 40 TO
70 NM. LEADS WILL OPEN ALONG WEST AND NORTH FACING COASTS. SHOREFAST
ICE SHOULD BE CONSIDERED VERY UNSTABLE.
KCOLE 2013
$$
000
FZAK80 PAFC 210254
ICEAFC
SEA ICE ADVISORY FOR WESTERN AND ARCTIC ALASKAN COASTAL WATERS
NATIONAL WEATHER SERVICE ANCHORAGE ALASKA
650 PM AKDT MONDAY MAY 20 2013
FORECAST VALID...SATURDAY MAY 20 2013
ANALYSIS CONFIDENCE...MODERATE TO HIGH.
SYNOPSIS...A STRONG LOW OVER THE BERING SEA WILL MOVE OVER THE
CHUKCHI SEA BY FRIDAY. HIGH PRESSURE WILL BUILD OVER THE NORTHERN
CHUKCHI SEA AND THE BEAUFORT SEA TUESDAY THROUGH FRIDAY. WEAK HIGH
PRESSURE WILL BUILD OVER THE BERING SEA WEDNESDAY THROUGH SATURDAY. A
DEVELOPING NORTH PACIFIC LOW WILL APPROACH THE CENTRAL ALEUTIANS
SATURDAY.
-ARCTIC OCEAN-
-BEAUFORT SEA-
-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-
PKZ215-KOTZEBUE SOUND-
ICE COVERED.
AN AREA OF OPEN WATER UP TO 20 NM WIDE LIES OFF THE SHOREFAST ICE TO
THE NORTHEAST OF POINT BARROW.
FORECAST THROUGH SATURDAY...LEADS WILL CONTINUE TO OPEN ALONG THE
NORTH COAST THROUGH THURSDAY. LEADS WILL OPEN ALONG WEST FACING
COASTS THURSDAY THROUGH SATURDAY. SHOREFAST ICE REMAINS UNSTABLE
EXCEPT WHERE GROUNDED.
-BERING SEA-
PKZ210-DALL POINT TO WALES-
PKZ200-NORTON SOUND-
PKZ185-ST MATTHEW ISLAND WATERS
PKZ180-SOUTHWEST ALASKA WATERS CAPE NEWENHAM TO DALL POINT-
KCOLE 2013
$$
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