Gale Warning 54, NWS Fairbanks, AK

414 
FZAK51 PAFG 091018
CWFNSB

COASTAL WATERS FORECAST FOR ARCTIC ALASKA
NATIONAL WEATHER SERVICE FAIRBANKS AK
218 AM AKDT SUN SEP 9 2012

ARCTIC ALASKA COASTAL WATERS OUT 100 NM

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

PKZ298-100100-
218 AM AKDT SUN SEP 9 2012

.SYNOPSIS FOR ARCTIC COAST...
A 998 MB LOW NEAR THE NORTHERN TIP OF VICTORIA ISLAND WILL
CONTINUE TO WEAKEN AND MOVE EAST ACROSS THE SOUTHERN CANADIAN
ARCHIPELAGO. A TROUGH EXTENDING SOUTHWEST FROM THE LOW TO THE
EASTERN BEAUFORT SEA COAST WILL DISSIPATE TODAY. A RIDGE OF HIGH
PRESSURE OVER THE CHUKCHI SEA WILL BUILD EAST ALONG THE BEAUFORT
SEA COAST MONDAY.

$$

PKZ225-100100-
CAPE THOMPSON TO CAPE BEAUFORT-
218 AM AKDT SUN SEP 9 2012

.TODAY...NE WINDS 15 KT. SEAS 3 FT. 
.TONIGHT...NE WINDS 15 KT. SEAS 3 FT. 
.MON...NE WINDS 20 KT. SEAS 4 FT. 
.MON NIGHT...NE WINDS 20 KT. SEAS 5 FT. 
.TUE...NE WINDS 20 KT. SEAS 6 FT. 
.TUE NIGHT...NE WINDS 20 KT. SEAS 6 FT. 
.WED...NE WINDS 20 KT. SEAS 6 FT. 
.THU...NE WINDS 20 KT. SEAS 6 FT.  

$$

PKZ230-100100-
CAPE BEAUFORT TO POINT FRANKLIN-
218 AM AKDT SUN SEP 9 2012

.TODAY...N WINDS 10 KT. SEAS 4 FT. 
.TONIGHT...NE WINDS 15 KT. SEAS 4 FT. 
.MON...E WINDS 15 KT. SEAS 4 FT. 
.MON NIGHT...E WINDS 20 KT. SEAS 4 FT. 
.TUE...E WINDS 20 KT. SEAS 5 FT. 
.TUE NIGHT...E WINDS 20 KT. SEAS 5 FT. 
.WED...NE WINDS 20 KT. SEAS 5 FT. 
.THU...NE WINDS 20 KT. SEAS 4 FT.  

$$

PKZ235-100100-
POINT FRANKLIN TO CAPE HALKETT-
218 AM AKDT SUN SEP 9 2012

.TODAY...NW WINDS 10 KT BECOMING NE. SEAS 5 FT.
.TONIGHT...NE WINDS 10 KT. SEAS 4 FT.
.MON...NE WINDS 10 KT. SEAS 3 FT.
.MON NIGHT...NE WINDS 10 KT. SEAS 3 FT. 
.TUE...E WINDS 10 KT. SEAS 2 FT. 
.TUE NIGHT...E WINDS 15 KT. SEAS 3 FT. 
.WED...NE WINDS 15 KT. SEAS 3 FT. 
.THU...N WINDS 10 KT. SEAS 2 FT.  

$$

PKZ240-100100-
CAPE HALKETT TO FLAXMAN ISLAND-
218 AM AKDT SUN SEP 9 2012

.TODAY...NW WINDS 15 KT. SEAS 6 FT. 
.TONIGHT...N WINDS 10 KT. SEAS 5 FT. 
.MON...NE WINDS 5 KT. SEAS SUBSIDING TO 3 FT.
.MON NIGHT...E WINDS 10 KT. SEAS 3 FT. 
.TUE...E WINDS 15 KT. SEAS 3 FT. 
.TUE NIGHT...E WINDS 15 KT. SEAS 4 FT. 
.WED...NE WINDS 20 KT. SEAS 4 FT. 
.THU...N WINDS 15 KT. SEAS 2 FT.  

$$

PKZ245-100100-
FLAXMAN ISLAND TO DEMARCATION POINT-
218 AM AKDT SUN SEP 9 2012

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE THIS MORNING...

.TODAY...W WINDS 30 KT BECOMING N 15 KT. SEAS 8 FT SUBSIDING TO 5
FT. SNOW AND FOG. 
.TONIGHT...N WINDS 15 KT. SEAS SUBSIDING TO 4 FT.
.MON...N WINDS 10 KT. SEAS 3 FT.
.MON NIGHT...N WINDS 10 KT. SEAS 3 FT. 
.TUE...E WINDS 15 KT. SEAS 3 FT. 
.TUE NIGHT...E WINDS 20 KT. SEAS 3 FT. 
.WED...NE WINDS 15 KT. SEAS 3 FT. 
.THU...N WINDS 15 KT. SEAS 2 FT.  

$$

DA/CB SEP 12

NORTHERN ALASKA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE FAIRBANKS AK
1240 PM AKDT SAT SEP 8 2012

.DISCUSSION...
UPPER AIR...A PROGRESSIVE FLOW PATTERN WILL CONTINUE SOUTH OF THE
FORECAST AREA. BROAD LOW PRESSURE WILL REMAIN PREDOMINANT OVER THE
NORTHERN ALASKA FORECAST AREA...EXCEPT FOR THE TOP OF A SHORT WAVE
RIDGE MOVING EASTWARD ACROSS THE SOUTHERN PARTS OF THE NORTHERN
ALASKA MAINLAND MONDAY THROUGH TUESDAY. INCREASING SOUTHERLY FLOW
OVER THE EASTERN INTERIOR EXPECTED FRIDAY NIGHT AND SATURDAY.

SURFACE...
A SLOWLY WEAKENING 995 MB LOW ABOUT 200 MILES NORTHEAST OF
BANKS ISLAND WILL CONTINUE TO MOVE NORTHEASTWARD ACROSS THE
CANADIAN ARCHIPELAGO. WEST WINDS TO 30-35 KT OVER AKZ204 AND
PKZ245 WILL CONTINUE THROUGH THIS EVENING AS A TROUGH EXTENDING
SOUTHWEST FROM THE LOW CENTER MOVES SOUTHWARD. WINDS WILL BEGIN TO
WEAKEN LATER TONIGHT. A 1002 MB LOW IS EXPECTED TO DEVELOP ABOUT
200 MILES SOUTHWEST OF THE PRIBILOFS SUNDAY EVENING...THEN TAKE A
WOBBLY COURSE TO THE ALASKA PENINSULA BY LATE TUESDAY NIGHT. THIS
SYSTEM WILL HAVE LITTLE IF ANY IMPACT OVER ANY PART OF THE
NORTHERN ALASKA FORECAST AREA. A CHINOOK WIND EVENT WILL BE
POSSIBLE IN THE ALASKA RANGE FRIDAY NIGHT INTO SATURDAY NIGHT AS
SOUTHERLY WIND FLOW ALOFT INCREASES. HIGH SURF CONDITIONS IN
AKZ204 LIKELY TO CONTINUE INTO THIS EVENING BEFORE DIMINISHING.

COASTAL HAZARD POTENTIAL DAYS 3 AND 4...NONE.

&&

.HYDROLOGY...
NO FLOODING IN PROGRESS OR EXPECTED. THE KOYUKUK RIVER BELOW
JOHN RIVER HAS FALLEN ABOUT 0.7 FEET FROM ITS CREST FRIDAY. NO
SIGNIFICANT PRECIPITATION IS EXPECTED...EXCEPT IN THE ALASKA RANGE
SOUTHEAST OF THE TOK CUTOFF WHERE 0.25 TO 0.5 INCH OF RAIN IS
POSSIBLE TONIGHT AND SUNDAY WITH MOISTURE SPINNING OFF FROM A LOW
OVER THE NORTHERN GULF OF ALASKA. SMALLER AMOUNTS ARE EXPECTED IN
EXTREME SOUTHEASTERN ZKZ224.

&&

.AFG WATCHES/WARNINGS/ADVISORIES...
HIGH SURF ADVISORY FOR AKZ204.

GALE WARNING FOR PKZ245.

&&

RF SEP 12