Storm Warning 142, NWS Anchorage, AK

000 
FZAK61 PAFC 252317
OFFAER

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE AK
400 PM AKDT FRI SEP 25 2009

OFFSHORE WATERS FORECAST FOR THE GULF OF ALASKA WEST OF 144W

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.

PKZ399-261400-
400 PM AKDT FRI SEP 25 2009
.SYNOPSIS FOR THE WESTERN GULF OF ALASKA...
A 989 MB LOW NEAR 60N 147W WILL MOVE ONSHORE NEAR 61N 146W EARLY SAT
MORNING. A 1008 MB LOW NEAR 54N 157W SAT AFTERNOON WILL MOVE TO 53N
142W AT 1009 MB SUN AFTERNOON. 
$$

PKZ351-261400-
GULF OF ALASKA OFFSHORE NORTH OF 57N AND WEST OF 144W
400 PM AKDT FRI SEP 25 2009

...STORM WARNING TONIGHT...

.TONIGHT...W WIND 50 KT. HIGHEST WINDS WEST OF 147W. SEAS 18 FT. 
.SAT...W WIND 40 KT BECOMING SW 30 KT IN THE AFTERNOON. SEAS 16 FT. 
.SAT NIGHT...S WIND 25 KT. SEAS 14 FT. RAIN.
.SUN...E WIND 20 KT. SEAS 11 FT. 
.SUN NIGHT...NW WIND 30 KT. SEAS 12 FT. 
.MON...W WIND 20 KT. SEAS 9 FT. 
.TUE...S WIND 20 KT. SEAS 8 FT. 
.WED...SW WIND 25 KT. SEAS 11 FT.  

$$

PKZ352-261400-
GULF OF ALASKA OFFSHORE SOUTH OF 57N NORTH OF 55N AND WEST OF
144W
400 PM AKDT FRI SEP 25 2009

...STORM WARNING TONIGHT...

.TONIGHT...W WIND 50 KT DIMINISHING TO 40 KT AFTER MIDNIGHT. SEAS
20 FT. 
.SAT...SW WIND 35 KT. SEAS 17 FT. 
.SAT NIGHT...S WIND 25 KT. SEAS 14 FT. RAIN.
.SUN...NW WIND 35 KT. SEAS 13 FT. 
.SUN NIGHT...NW WIND 30 KT. SEAS 12 FT. 
.MON...W WIND 25 KT. SEAS 11 FT. 
.TUE...SW WIND 25 KT. SEAS 11 FT. 
.WED...SW WIND 30 KT. SEAS 16 FT.  

$$

000 
FZAK61 PAFC 261151
OFFAER

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE AK
400 AM AKDT SAT SEP 26 2009

OFFSHORE WATERS FORECAST FOR THE GULF OF ALASKA WEST OF 144W

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.

PKZ399-270200-
400 AM AKDT SAT SEP 26 2009
.SYNOPSIS FOR THE WESTERN GULF OF ALASKA...
A 1009 MB LOW NEAR 55N 160W WILL MOVE TO 54N 142W SUNDAY AFTERNOON.
IT WILL THEN MOVE SOUTHEAST OUT OF AREA THE SUNDAY NIGHT. 

$$

PKZ351-270200-
GULF OF ALASKA OFFSHORE NORTH OF 57N AND WEST OF 144W
400 AM AKDT SAT SEP 26 2009

...GALE WARNING TODAY...

.TODAY...W WIND 45 KT DIMINISHING TO SW 25 KT IN THE AFTERNOON. SEAS
21 FT. 
.TONIGHT...S WIND 25 KT. SEAS 15 FT. RAIN SHOWERS. 
.SUN...SE WIND 20 KT BECOMING NE IN THE AFTERNOON. SEAS 11 FT. RAIN.
.SUN NIGHT...N WIND 25 KT. SEAS 11 FT. 
.MON...W WIND 20 KT. SEAS 8 FT. 
.TUE...SW WIND 20 KT. SEAS 10 FT. 
.WED...W WIND 25 KT. SEAS 10 FT.  

$$

PKZ352-270200-
GULF OF ALASKA OFFSHORE SOUTH OF 57N NORTH OF 55N AND WEST OF
144W
400 AM AKDT SAT SEP 26 2009

...GALE WARNING TODAY...

.TODAY...SW WIND 35 KT. SEAS 21 FT. 
.TONIGHT...S WIND 30 KT. SEAS 15 FT. RAIN SHOWERS. 
.SUN...NW WIND 30 KT. SEAS 13 FT. 
.SUN NIGHT...NW WIND 30 KT. SEAS 12 FT. 
.MON...W WIND 25 KT. SEAS 10 FT. 
.TUE...SW WIND 25 KT. SEAS 12 FT. 
.WED...W WIND 30 KT. SEAS 16 FT.  

$$

AREA FORECAST DISCUSSION
SOUTH CENTRAL AND SOUTHWEST ALASKA
200 PM AKDT THU SEP 24 2009

.MODEL DISCUSSION...THE LATEST MODELS ARE IN FAIRLY GOOD AGREEMENT ON
POSITIONING AND MOVEMENT OF THE LOW SOUTH OF THE ALASKA PENINSULA AND
THE LOW OVER THE BERING SEA. THE UKMET IS A LITTLE WEAKER ON PRESSURE
WITH WESTERN BERING LOW AND WITH THE LOW LATE SATURDAY NIGHT OVER THE
WESTERN ALEUTIANS. THE GFS AND NAM ARE BOTH ACCEPTABLE SOLUTIONS FOR
THE FORECAST PERIOD THROUGH 72 HOURS.

.ANALYSIS AND UPPER LEVELS...THE LOW SOUTH OF ALASKA PENINSULA IS
BRINGING HEAVY RAIN TO KODIAK TODAY...OVER AN INCH SINCE 4AM/ WITH
STEADY RAIN MOVING INTO THE SOUND. WINDS HAVE BEEN GUSTING GENERALLY
TO 40 MPH OVER KODIAK AND THROUGH PORTAGE VALLEY. GALES ARE OCCURRING
ACROSS THE GULF AND BARREN ISLANDS.

IN THE WEST RAIN AND SNOW SHOWERS ARE BEING REPORTED OVER THE
SOUTHERN BERING, THE EASTERN ALEUTIANS, AND THE ALASKA PENINSULA.
WINDS ACROSS THOSE REGIONS HAVE BEEN GUSTY AROUND 40MPH. RAIN HAS
BEEN STAYED EAST OF DILLINGHAM IN BRISTOL BAY WITH SNOW/RAIN AT
HIGHER ELEVATIONS ABOVE 2000 FEET.

.SHORT TERM FORECAST...A MODERATE LOW SOUTH OF KODIAK ISLAND WILL
MOVE TO EAST OF CORDOVA BY FRI EVENING.  WITH THIS LOW EXPECT RAIN
WITH SNOW AT HIGHER ELEVATIONS THROUGH FRIDAY FROM EASTERN BRISTOL
BAY AND KODIAK TO SOUTH CENTRAL AND THE COPPER RIVER BASIN. EXPECT
GALES IN ADVANCE OF THE LOW WITH STORMS NEAR THE NORTH GULF COAST
THIS EVENING AND GALE TO STORM FORCE WINDS SOUTH AND WEST OF THE LOW
FRIDAY.

THE LOW OVER BERING SEA WILL MOVE ACROSS THE ALASKA PENINSULA FRIDAY
NIGHT AND WILL BE JUST SOUTHWEST OF KODIAK ISLAND SATURDAY AFTERNOON.
RAIN OR RAIN/SNOW MIX EXPECTED WITH THIS LOW WITH GALE WINDS ON THE
BACKSIDE OF THE LOW FOR THE EASTERN ALEUTIANS AND THE ALASKA
PENINSULA FRIDAY NIGHT AND SATURDAY.

.LONG TERM FORECAST...A LOW SOUTH OF KODIAK WILL MOVE INTO GULF ON
SUNDAY AND THEN INTO CANADA ON MONDAY. A STORM WILL MOVE INTO THE
WESTERN ALEUTIANS ON SATURDAY NIGHT WILL BRING STORM FORCE WINDS TO
THE AREA.

.AER/ALU...WATCH/WARNING SUMMARY
PUBLIC...NONE.
MARINE...STORMS 120.
         GALES 130 132 138 140 150 155 170 172 175
FIRE WEATHER...NONE.

JWP SEP 09