Gale Warning 144, NWS Anchorage, AK

000 
FZAK61 PAFC 260000
OFFAER

OFFSHORE WATERS FORECAST FOR GULF OF ALASKA WEST OF 144W
NATIONAL WEATHER SERVICE ANCHORAGE AK
400 PM AST MON FEB 25 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.

PKZ399-261500-
.SYNOPSIS FOR THE WESTERN GULF OF ALASKA...
A 1009 MB LOW NEAR 58N 147W MOVES SOUTHWEST AND DISSIPATES EARLY
TUESDAY. A 980 MB LOW NEAR 53N 141W TUESDAY EVENING MOVES INLAND JUST
NORTH OF DIXON ENTRANCE WEDNESDAY. A SECONDARY 989 MB LOW NEAR 55N
148W TUESDAY EVENING MOVES TO 56N 153W AT 994 MB WEDNESDAY MORNING. A
980 MB LOW MOVES TO 53N 155W WEDNESDAY AFTERNOON.

$$

PKZ351-261500-
GULF OF ALASKA OFFSHORE NORTH OF 57N AND WEST OF 144W
400 PM AST MON FEB 25 2008

...GALE WARNING TUESDAY AND TUESDAY NIGHT...

.TONIGHT...SE WIND 15 KT BECOMING E 25 KT AFTER MIDNIGHT. SEAS 8 FT.
.TUE...E WIND 40 KT. SEAS BUILDING TO 14 FT. RAIN AND SNOW SHOWERS. 
.TUE NIGHT...E WIND 35 KT DIMINISHING TO 25 KT AFTER MIDNIGHT. SEAS
15 FT. RAIN.
.WED...E WIND 25 KT. SEAS 15 FT. 
.WED NIGHT...SE WIND 30 KT. SEAS 12 FT. 
.THU...SW WIND 20 KT. SEAS 11 FT. 
.FRI...W WIND 25 KT. SEAS 12 FT. 
.SAT...SW WIND 30 KT. SEAS 12 FT.  

$$

PKZ352-261500-
GULF OF ALASKA OFFSHORE SOUTH OF 57N NORTH OF 55N AND WEST OF
144W
400 PM AST MON FEB 25 2008

...GALE WARNING THROUGH TUESDAY...

.TONIGHT...E WIND 15 KT BECOMING NE 35 KT AFTER MIDNIGHT. SEAS
BUILDING TO 11 FT. SNOW.
.TUE...NE WIND 35 KT. SEAS 14 FT. RAIN AND SNOW. 
.TUE NIGHT...NE WIND 25 KT. SEAS 14 FT. 
.WED...SE WIND 25 KT. SEAS 12 FT. 
.WED NIGHT...S WIND 25 KT. SEAS 13 FT. 
.THU...SE WIND 20 KT. SEAS 12 FT. 
.FRI...W WIND 30 KT. SEAS 14 FT. 
.SAT...SW WIND 35 KT. SEAS 13 FT.  

$$

000 
FZAK61 PAFC 261219
OFFAER

OFFSHORE WATERS FORECAST FOR GULF OF ALASKA WEST OF 144W
NATIONAL WEATHER SERVICE ANCHORAGE AK
400 AM AST TUE FEB 26 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.

PKZ399-270300-
.SYNOPSIS FOR THE WESTERN GULF OF ALASKA...
A 975 MB LOW NEAR 52N 146W WILL MOVE TO 57N 136W AT 1006 MB WED
AFTERNOON THEN DISSIPATE WED NIGHT. A 995 MB LOW WILL DEVELOP NEAR
55N 150W TUE NIGHT AND REMAIN NEARLY STATIONARY AND DISSIPATE
WED MORNING. A DEVELOPING 990 MB LOW 48N 154W WILL MOVE TO 55N 155W
WED NIGHT AT 987 MB. 
$$

PKZ351-270300-
GULF OF ALASKA OFFSHORE NORTH OF 57N AND WEST OF 144W
400 AM AST TUE FEB 26 2008

...GALE WARNING THROUGH TONIGHT...

.TODAY...E WIND 40 KT. SEAS 17 FT. RAIN.
.TONIGHT...E WIND 35 KT DIMINISHING TO 25 KT AFTER MIDNIGHT. SEAS
16 FT. RAIN.
.WED...E WIND 25 KT. SEAS 13 FT. 
.WED NIGHT...E WIND 30 KT. SEAS 10 FT. 
.THU...SW WIND 20 KT. SEAS 10 FT. 
.FRI...W WIND 25 KT. SEAS 10 FT. 
.SAT...SW WIND 30 KT. SEAS 12 FT.  
$$

PKZ352-270300-
GULF OF ALASKA OFFSHORE SOUTH OF 57N NORTH OF 55N AND WEST OF
144W
400 AM AST TUE FEB 26 2008

...GALE WARNING TODAY...

.TODAY...NE WIND 40 KT DIMINISHING TO 30 KT IN THE AFTERNOON. SEAS
16 FT. RAIN. 
.TONIGHT...NE WIND 25 KT. SEAS 16 FT. 
.WED...E WIND 25 KT. SEAS 12 FT. RAIN.
.WED NIGHT...SE WIND 30 KT. SEAS 11 FT. 
.THU...S WIND 25 KT. SEAS 13 FT. 
.FRI...W WIND 30 KT. SEAS 13 FT. 
.SAT...SW WIND 40 KT. SEAS 15 FT.  
$$

000 
FZAK61 PAFC 270000
OFFAER

OFFSHORE WATERS FORECAST FOR GULF OF ALASKA WEST OF 144W
NATIONAL WEATHER SERVICE ANCHORAGE AK
300 PM AST TUE FEB 26 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.

PKZ399-271500-
.SYNOPSIS FOR THE WESTERN GULF OF ALASKA...
A 975 MB LOW NEAR 53N 144W MOVES TO 57N 135W AT 1003 MB WEDNESDAY
AFTERNOON THEN DISSIPATES WEDNESDAY NIGHT. A 995 MB LOW DEVELOPS
NEAR 55N 150W TONIGHT THEN MOVES WEST AND DISSIPATES WEDNESDAY
MORNING. A 986 MB LOW NEAR 53N 152W WEDNESDAY AFTERNOON MOVES TO 55N
156W AT 988 MB THURSDAY.

$$

PKZ351-271500-
GULF OF ALASKA OFFSHORE NORTH OF 57N AND WEST OF 144W
300 PM AST TUE FEB 26 2008

...GALE WARNING TONIGHT...

.TONIGHT...E WIND 35 KT DIMINISHING TO 25 KT AFTER MIDNIGHT. SEAS
16 FT. RAIN.
.WED...E WIND 25 KT. SEAS 13 FT. 
.WED NIGHT...SE WIND 30 KT. SEAS 12 FT. RAIN.
.THU...SW WIND 20 KT. SEAS 10 FT. 
.THU NIGHT...W WIND 15 KT. SEAS 9 FT. 
.FRI...W WIND 25 KT. SEAS 12 FT. 
.SAT...SW WIND 30 KT. SEAS 14 FT. 
.SUN...S WIND 40 KT. SEAS 15 FT.  

$$

PKZ352-271500-
GULF OF ALASKA OFFSHORE SOUTH OF 57N NORTH OF 55N AND WEST OF
144W
300 PM AST TUE FEB 26 2008

.TONIGHT...NE WIND 25 KT. SEAS 17 FT. 
.WED...E WIND 25 KT. SEAS 14 FT. RAIN.
.WED NIGHT...SE WIND 30 KT. SEAS 14 FT. RAIN.
.THU...S WIND 25 KT. SEAS 13 FT. 
.THU NIGHT...SE WIND 15 KT. SEAS 11 FT. 
.FRI...W WIND 30 KT. SEAS 11 FT. 
.SAT...SW WIND 40 KT. SEAS 14 FT. 
.SUN...SW WIND 30 KT. SEAS 15 FT.  

$$

000 
FZAK61 PAFC 271237
OFFAER

OFFSHORE WATERS FORECAST FOR GULF OF ALASKA WEST OF 144W
NATIONAL WEATHER SERVICE ANCHORAGE AK
400 AM AST WED FEB 27 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.

PKZ399-280300-
.SYNOPSIS FOR THE WESTERN GULF OF ALASKA...
A 989 MB LOW NEAR 56N 139W WEAKENS TO 1005 MB WED AFTERNOON NEAR 57N
138W AND THEN DISSIPATES. A 992 MB LOW NEAR 56N 148W DISSIPATES WED
AFTERNOON. A 988 MB NORTH PACIFIC LOW MOVES TO 56N 153W WED NIGHT 
AND WEAKENS TO 1000 MB THU NIGHT NEAR 53N 154W.
$$

PKZ351-280300-
GULF OF ALASKA OFFSHORE NORTH OF 57N AND WEST OF 144W
400 AM AST WED FEB 27 2008

.TODAY...E WIND 25 KT. SEAS 13 FT. 
.TONIGHT...SE WIND 30 KT. SEAS 10 FT. RAIN.
.THU...S WIND 20 KT. SEAS 10 FT. 
.THU NIGHT...W WIND 15 KT. SEAS 11 FT. 
.FRI...W WIND 25 KT. SEAS 10 FT. 
.SAT...SW WIND 30 KT. SEAS 8 FT. 
.SUN...S WIND 35 KT. SEAS 13 FT.  
$$

PKZ352-280300-
GULF OF ALASKA OFFSHORE SOUTH OF 57N NORTH OF 55N AND WEST OF
144W
400 AM AST WED FEB 27 2008

.TODAY...E WIND 25 KT. SEAS 12 FT. 
.TONIGHT...SE WIND 30 KT. SEAS 10 FT. RAIN.
.THU...S WIND 25 KT DIMINISHING TO 15 KT IN THE AFTERNOON. SEAS
12 FT. 
.THU NIGHT...SE WIND 15 KT. SEAS 12 FT. 
.FRI...W WIND 30 KT. SEAS 13 FT. 
.SAT AND SUN...SW WIND 35 KT. SEAS 16 FT.  
$$

AREA FORECAST DISCUSSION
SOUTHCENTRAL AND SOUTHWEST ALASKA
200 PM AST SUN FEB 24 2008

.MODEL DISCUSSION...
EAST...MODEL INITIALIZATIONS AND FORECAST TRENDS LOOK FAIRLY
REASONABLE THROUGH 60 HR(TUE). THEY HAVE A SIMILAR HANDING OF
WEAKENING LOW OVER THE NORTHERN GULF...STRONGER LOW TO SOUTH...AND
MAINLAND RIDGE. GFS/EC TEND TO HOLD IN GENERAL AGREEMENT THROUGH 96
HR(WED NIGHT). DIFFERENCES BECOME MORE PRONOUNCED BEYOND.

.WEST...UNSTABLE LOW PRESSURE PATTERN SETS UP SOUTH OF THE ALEUTIANS.
MODELS WILL TEND TO STRUGGLE WITH THE SURFACE FEATURES NEAR AND SOUTH
OF THE ALEUTIANS. THE GFS 12Z GFS RUN LOOKS MORE REASONABLE THEN
PREVIOUS 00Z RUN BY KEEPING THE GENERAL LOW COMPLEX FURTHER SOUTH OF
THE CHAIN. THIS SEEMS REASONABLE AS SOUTHERN EXTENT OF THE BERING SEA
ICE EDGE AND WEAK COLD ADVECTION INTO SW AK WILL HOLD UP SURFACE
PRESSURES AND FORCE STORM TRACK FURTHER SOUTH.

.SHORT TERM FORECAST...
.EAST...A WEAK LOW CENTER OVER THE GULF OF ALASKA WILL MOVE SLOWLY
NORTH AND WEST TONIGHT/MON AS UPPER CENTER DROPS SW TOWARD THE AK
PEN. THIS WILL BRING INCREASING CLOUDS WITH THE THREAT OF LIGHT
SNOW/SN SHOWERS TO MUCH OF THE EASTERN FORECAST AREA. CURRENT SAT
IMAGERY SHOWS INCREASING CLOUDS SPREADING WEST OVER THE GULF AND
COPPER RIVER AND RADAR DATA SHOWS SNOW SHOWERS ALONG THE NORTH GULF.
DRYING SHOULD OCCUR OVER SOUTHCENTRAL/COPPER RIVER/NORTH GULF MON
NIGHT AND TUE AS COLD ADVECTION AND GENERALLY OFFSHORE FLOW. GAP
WINDS LIKELY TO BE EVIDENT ALONG THE NORTH GULF TONIGHT/MON WITH
WEAK PRESSURE/TEMPERATURE PACKING. CURRENT THOUGHT IS THESE WINDS
WILL ENOUGH FOR MINIMUM STRONG WIND HEADLINES.

.WEST...WEAK COLD ADVECTION OVER SOUTHWEST ALASKA REACHES ITS PEAK
WITH 850MB TEMPS FALLING JUST BELOW -18C TONIGHT AND MON. AFTER THAT
THE ADVECTION BECOMES GENERALLY NEUTRAL AS THE LOW CENTER DROPS SOUTH
TOWARD THE AK PEN AND SETS UP EASTERLY FLOW. AS UPPER CENTER DROPS
SOUTH EXPECT SOME SCATTERED SNOW SHOWERS MON/MON NIGHT INTO SW
ALASKA. STRATUS AND FOG LIKELY TO HOLD OVER THE NORTH SIDE OF THE AK
PEN/EASTERN ALEUTIANS THROUGH TONIGHT WITH NORTHERLY FLOW. STRONG
WINDS WITH FRONTAL TROUGH/STORM CENTER OVER THE WESTERN PACIFIC WILL
HOLD WINDY CONDITIONS OVER MUCH OF THE CENTRAL/WESTERN ALEUTIANS
THROUGH TUE MORNING.

.LONG TERM FORECAST...TRENDED TOWARD THE 12Z GFS OUT WEST. MADE FEW
CHANGES IN THE EAST.

.AER/ALU...WATCH/WARNING SUMMARY
PUBLIC...NONE.
MARINE...STORMS 175 AND 176. GALES 172 AND 185.
         HEAVY FREEZING SPRAY 140 141 165 179 AND 185.
FIRE WEATHER...NONE.

RMC FEB 08