Gale Warning 532, NWS Anchorage, AK

000 
FZAK62 PAFC 122304
OFFALU

OFFSHORE WATERS FORECAST FOR THE BERING SEA
NATIONAL WEATHER SERVICE ANCHORAGE AK
400 PM AKDT FRI SEP 12 2008

WIND FORECASTS REFLECT THE PREDOMINANT SPEED AND DIRECTION
EXPECTED. SEA FORECASTS REPRESENT AN AVERAGE OF THE HIGHEST
ONE-THIRD OF THE COMBINED WIND WAVE AND SWELL HEIGHT.

PKZ499-131400-
.SYNOPSIS FOR CENTRAL BERING SEA...
A 991 MB LOW NEAR 52N 165W WILL MOVE TO NEAR 59N 167W SUN AFTERNOON
WITH LITTLE CHANGE IN PRESSURE. A 1000 MB LOW NEAR SOUTHERN KAMCHATKA
PENINSULA WILL MOVE TO NEAR 52N 173E AND STRENGTHEN TO 985 MB SAT
AFTERNOON THEN MOVE TO NEAR 50N 172W WITH LITTLE CHANGE IN PRESSURE
SUN AFTERNOON.
$$

PKZ411-131400-
BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL
DATELINE
400 PM AKDT FRI SEP 12 2008

...GALE WARNING SATURDAY...

.TONIGHT...SW WIND 10 TO 20 KT. SEAS 6 FT. 
.SAT...SE WIND 35 KT. SEAS 12 FT. RAIN.
.SAT NIGHT...E WIND 30 KT DIMINISHING TO 20 KT AFTER MIDNIGHT. SEAS
12 FT. RAIN.
.SUN...E WIND 15 KT. SEAS 6 FT. 
.SUN NIGHT...SW WIND 25 KT. SEAS 8 FT. 
.MON...S WIND 25 KT. SEAS 8 FT. 
.TUE...SE WIND 30 KT. SEAS 9 FT. 
.WED...N WIND 20 KT. SEAS 6 FT.  

$$

PKZ412-131400-
BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N
400 PM AKDT FRI SEP 12 2008

.TONIGHT...N WIND 30 KT. SEAS 8 TO 12 FT. 
.SAT...N WIND 25 KT. SEAS 9 FT. 
.SAT NIGHT...NE WIND 15 KT. SEAS 6 FT. 
.SUN...N WIND 20 KT. SEAS 6 FT. 
.SUN NIGHT AND MON...NW WIND 20 KT. SEAS 7 FT.  
.TUE...W WIND 15 KT. SEAS 5 FT. 
.WED...N WIND 15 KT. SEAS 6 FT.  

$$

PKZ413-131400-
BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N
400 PM AKDT FRI SEP 12 2008

...GALE WARNING TONIGHT...

.TONIGHT...N WIND 35 KT. SEAS 13 FT. 
.SAT...N WIND 20 KT. SEAS 8 FT. 
.SAT NIGHT...E WIND 20 KT. SEAS 6 FT. 
.SUN...NE WIND 20 KT. SEAS 6 FT. 
.SUN NIGHT...NW WIND 15 KT. SEAS 5 FT. 
.MON...NW WIND 20 KT. SEAS 6 FT. 
.TUE...S WIND 25 KT. SEAS 7 FT. 
.WED...NE WIND 15 KT. SEAS 6 FT.  

$$

PKZ414-131400-
BERING SEA OFFSHORE EAST OF 171W
400 PM AKDT FRI SEP 12 2008

.TONIGHT...N WIND 30 KT. SEAS 13 FT. PATCHY FOG. RAIN.
.SAT...N WIND 25 KT. SEAS 11 FT. PATCHY FOG. RAIN.
.SAT NIGHT AND SUN...NW WIND 20 KT. SEAS 7 FT. PATCHY FOG. 
.SUN NIGHT...W WIND 20 KT. SEAS 5 FT. 
.MON THROUGH WED...NW WIND 20 KT. SEAS 6 FT.  

$$

000 
FZAK62 PAFC 131128
OFFALU

OFFSHORE WATERS FORECAST FOR THE BERING SEA
NATIONAL WEATHER SERVICE ANCHORAGE AK
400 AM AKDT SAT SEP 13 2008

WIND FORECASTS REFLECT THE PREDOMINANT SPEED AND DIRECTION
EXPECTED. SEA FORECASTS REPRESENT AN AVERAGE OF THE HIGHEST
ONE-THIRD OF THE COMBINED WIND WAVE AND SWELL HEIGHT.

PKZ499-140200-
.SYNOPSIS FOR CENTRAL BERING SEA...

A 992 MB LOW NEAR 54N 162W THIS MORNING MAINTAINS ITS STRENGTH 
AS IT MOVES TO 58N 163W THIS AFTERNOON. THIS LOW THEN REMAINS 
NEARLY STATIONARY AS IT WEAKENS TO 999 MB SUN NIGHT.  A 990 MB 
LOW AT 52N 166E THIS MORNING MAINTAINS ITS STRENGTH AS IT MOVES 
TO 49N 178E...THEN SOUTHEAST FURTHER INTO THE NORTHERN PACIFIC.

$$

PKZ411-140200-
BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL
DATELINE
400 AM AKDT SAT SEP 13 2008

.TODAY...SE WIND 10 TO 20 KT BUILDING TO 20 TO 30 KT IN THE
AFTERNOON. SEAS BUILDING TO 7 TO 12 FT. 
.TONIGHT...E WIND 25 KT DIMINISHING TO 15 KT AFTER MIDNIGHT. SEAS
10 FT SUBSIDING TO 6 FT. 
.SUN...VARIABLE WIND 15 KT. SEAS 5 FT. 
.SUN NIGHT...SW WIND 25 KT. SEAS 10 FT. 
.MON...SW TO NW WIND 20 KT. SEAS 7 FT. 

$$

PKZ412-140200-
BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N
400 AM AKDT SAT SEP 13 2008

.TODAY...N WIND 25 KT. SEAS 10 FT. 
.TONIGHT...N WIND 20 KT. SEAS 7 FT. 
.SUN THROUGH WED...W TO N WIND 20 KT. SEAS 7 FT. 

$$

PKZ413-140200-
BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N
400 AM AKDT SAT SEP 13 2008

.TODAY...N WIND 30 KT BECOMING NE 15 KT IN THE AFTERNOON. SEAS 11 FT
SUBSIDING TO 6 FT.
.TONIGHT THROUGH SUN NIGHT...NW TO NE WIND 15 KT. SEAS 5 FT. 
.MON THROUGH...SW TO NW WIND 20 KT. SEAS 7 FT. 

$$

PKZ414-140200-
BERING SEA OFFSHORE EAST OF 171W
400 AM AKDT SAT SEP 13 2008

...GALE WARNING TODAY...

.TODAY...N WIND 25 TO 35 KT. SEAS 10 TO 15 FT. PATCHY FOG. 
.TONIGHT...NW WIND 20 KT. SEAS 7 FT. PATCHY FOG. RAIN.
.SUN...NW WIND 20 KT. SEAS 7 FT. PATCHY FOG. 
.SUN NIGHT THROUGH WED...W TO NW WIND 10 TO 20 KT. SEAS 3 TO 7 FT. 

$$

AREA FORECAST DISCUSSION
SOUTHCENTRAL AND SOUTHWEST ALASKA
500 PM AKDT THU SEP 11 2008

.MODEL DISCUSSION...
MODELS REMAIN IN GOOD AGREEMENT THROUGH SATURDAY AFTERNOON BUT BEGIN
TO HAVE DIVERGENT SOLUTIONS FROM THAT POINT ONWARD. ECMWF CONTINUES
TO MOVE THE NEXT LOW PRESSURE SYSTEM MOVING THROUGH THE ALEUTIANS
THIS WEEKEND FASTER THAN THE OTHER MODELS. GSF CONTINUES TO BE A MORE
CONSISTENT MODEL AND REMAIN IN GOOD AGREEMENT WITH OTHER GLOBAL AND
HEMISPHERIC MODELS.

.ANALYSIS AND UPPER LEVELS...
AN UPPER LOW REMAINS NEARLY STATIONARY OVER THE BEAUFORT SEA WHILE AN
WEAK UPPER RIDGE MOVES INTO THE GULF OF ALASKA. ANOTHER UPPER LOW
OVER THE CENTRAL ALEUTIANS IS VERTICALLY STACKED OVER THE SURFACE LOW
AND BOTH ARE SLOWLY MOVING EAST.

AT THE SURFACE...A WEAK TROUGH EXTENDS ACROSS THE CENTRAL INTERIOR
AND SOUTHWEST ALASKA. THE ATMOSPHERE REMAINS SOMEWHAT UNSTABLE
THROUGH THIS AREA AND SCATTERED SHOWERS ARE EXPECTED TO DEVELOP THIS
AFTERNOON AND EVENING. THE STRONG LOW PRESSURE SYSTEM SOUTH OF THE
CENTRAL ALEUTIANS CONTINUES TO MOVE EAST WITH AN OCCLUDED FRONT
SWINGING NORTHEAST THROUGH THE ALASKA PENINSULA AND SOUTHERN BRISTOL
BAY. AREAS OF RAIN AND GUSTY WINDS MOVE AHEAD OF THE FRONT.

.SHORT TERM FORECAST...
THE UPPER LOW OVER THE THE CENTRAL ALEUTIANS WILL MOVE NORTHEAST INTO
THE ALASKA PENINSULA AND BRISTOL BAY SATURDAY AFTERNOON. THE UPPER
RIDGE OVER THE GULF WILL FORM A BLOCK ALONG SOUTHEAST ALASKA AND THE
YUKON TERRITORY SATURDAY NIGHT.

THE SURFACE LOW WILL REMAIN BENEATH THE UPPER CENTER AS IT MOVES INTO
BRISTOL BAY SATURDAY. THE OCCLUDED FRONT WILL CONTINUE TO MOVE
NORTHEAST THROUGH BRISTOL BAY TONIGHT AND INTO KODIAK ISLAND AND
SOUTHWEST ALASKA FRIDAY. THE FRONT WILL WEAKEN OVER THE SOUTHWEST
INTERIOR FRIDAY NIGHT BUT WILL CONTINUE TO MOVE INTO THE WESTERN GULF
SATURDAY AFTERNOON. RAIN AND WIND WILL MOVE INTO BRISTOL BAY AND
KODIAK ISLAND TONIGHT. RAIN WILL CONTINUE TO SPREAD INTO THE REST OF
SOUTHWEST ALASKA FRIDAY AND BECOME SHOWERS FRIDAY NIGHT AND SATURDAY.
IN THE GULF, RAIN WILL SPREAD UP INTO MOST OF SOUTHCENTRAL ALASKA
WITH THE EXCEPT OF THE EASTERN COPPER RIVER BASIN BY SATURDAY
AFTERNOON.

AN AREA OF GUSTY NORTH WINDS WILL PERSIST OVER THE EASTERN BERING SEA
AND KUSKOKWIM DELTA COAST THROUGH SATURDAY.

ANOTHER LOW PRESSURE SYSTEM NEAR NORTHERN JAPAN WILL MOVE INTO THE
WESTERN ALEUTIANS AS A 990 MB STORM SATURDAY AFTERNOON. MORE RAIN AND
GUSTY WINDS ARE EXPECTED FOR THE WESTERN ALEUTIANS FRIDAY NIGHT AND
SATURDAY.

.LONG TERM FORECAST...
THE UPPER LOW OVER BRISTOL BAY WILL MOVE NORTH AND DISSIPATE OVER THE
KUSKOKWIM DELTA MONDAY.

THE SURFACE WILL MOVE AND DISSIPATE OVER THE YUKON DELTA MONDAY. THE
MODERATE LOW OVER THE WESTERN ALEUTIANS WILL MOVE EAST OVER THE
EASTERN ALEUTIANS MONDAY.

.AER/ALU...WATCH/WARNING SUMMARY
PUBLIC...NONE.
MARINE...GALE 172 AND 175.
FIRE WEATHER...NONE.

NONE SEP 08