Brisk Wind Advisory 142, NWS Fairbanks, AK

855 
FZAK51 PAFG 171016
CWFNSB

COASTAL WATERS FORECAST FOR ARCTIC ALASKA
NATIONAL WEATHER SERVICE FAIRBANKS AK
216 AM AKDT TUE JUL 17 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.

PKZ298-180045-
216 AM AKDT TUE JUL 17 2012

.SYNOPSIS FOR ARCTIC COAST...
A 991 MB LOW 400 MILES NORTH OF BARROW WILL MOVE TO 800
MILES NORTH OF BARROW BY 4 PM WEDNESDAY. A WEATHER
FRONT OVER THE CENTRAL ARCTIC COAST WILL MOVE EASTWARD
TODAY. ANOTHER WEATHER FRONT WILL APPROACH THE NORTHWEST
ALASKA COAST THURSDAY EVENING.


$$

PKZ225-180045-
CAPE THOMPSON TO CAPE BEAUFORT-
216 AM AKDT TUE JUL 17 2012

.TODAY...VARIABLE 10 KT. SEAS 2 FT. FOG. RAIN SHOWERS. 
.TONIGHT...VARIABLE WINDS 5 KT. SEAS 1 FT. FOG. RAIN SHOWERS. 
.WED...NE WINDS 20 KT. SEAS 3 FT. FOG.
.WED NIGHT...N WINDS 20 KT. SEAS 4 FT. FOG.
.THU...W WINDS 20 KT. SEAS 4 FT. FOG.
.THU NIGHT...SW WINDS 30 KT. SEAS 6 FT. 
.FRI...N WINDS 30 KT. SEAS 5 FT. 
.SAT...S WINDS 15 KT. SEAS 3 FT.  

$$

PKZ230-180045-
CAPE BEAUFORT TO POINT FRANKLIN-
216 AM AKDT TUE JUL 17 2012

.TODAY...W WINDS 20 KT. SEAS 4 FT. FOG. RAIN SHOWERS.
.TONIGHT...W WINDS 15 KT. SEAS 3 FT. FOG. RAIN SHOWERS.
.WED...NE WINDS 15 KT. SEAS 2 FT. FOG.
.WED NIGHT...W WINDS 15 KT. SEAS 3 FT. FOG.
.THU...SW WINDS 25 KT. SEAS 4 FT. FOG.
.THU NIGHT...SW WINDS 30 KT. SEAS 6 FT. 
.FRI...W WINDS 25 KT. SEAS 5 FT. 
.SAT...W WINDS 15 KT. SEAS 3 FT.  

$$

PKZ235-180045-
POINT FRANKLIN TO CAPE HALKETT-
216 AM AKDT TUE JUL 17 2012

.TODAY...W WINDS 20 KT. FOG.
.TONIGHT...W WINDS 20 KT. FOG.
.WED...W WINDS 15 KT. FOG.
.WED NIGHT...W WINDS 15 KT. FOG.
.THU...SW WINDS 25 KT. FOG.
.THU NIGHT...W WINDS 25 KT. 
.FRI...W WINDS 20 KT. 
.SAT...W WINDS 15 KT.  

$$

PKZ240-180045-
CAPE HALKETT TO FLAXMAN ISLAND-
216 AM AKDT TUE JUL 17 2012

.TODAY...SW WINDS 20 KT. FOG.
.TONIGHT...W WINDS 15 KT. FOG.
.WED...W WINDS 10 KT. FOG. RAIN SHOWERS. 
.WED NIGHT...NE WINDS 10 KT. FOG.
.THU...W WINDS 20 KT. FOG.
.THU NIGHT...SW WINDS 25 KT. 
.FRI...W WINDS 20 KT. 
.SAT...NW WINDS 10 KT.  

$$

PKZ245-180045-
FLAXMAN ISLAND TO DEMARCATION POINT-
216 AM AKDT TUE JUL 17 2012

.TODAY...SW WINDS 20 KT. FOG.
.TONIGHT...W WINDS 15 KT. FOG.
.WED...NE WINDS 10 KT. FOG. RAIN SHOWERS. 
.WED NIGHT...E WINDS 10 KT. FOG.
.THU...W WINDS 10 KT. FOG.
.THU NIGHT...SW WINDS 25 KT. 
.FRI...NW WINDS 25 KT. 
.SAT...NW WINDS 10 KT.  

$$

RF/CC JUL 12

NORTHERN ALASKA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE FAIRBANKS AK
138 AM AKDT MON JUL 16 2012

.DISCUSSION...
A DEEP POLAR VORTEX NEAR 79N/173E WILL MOVE EAST THEN NORTH ON A
CYCLONIC PATH TO NEAR 82N/150W BY 4 PM WEDNESDAY. AS THE VORTEX
PROGRESSES EASTWARD TODAY...WESTERLY FLOW ALOFT WILL SPREAD EASTWARD
ACROSS THE ARCTIC ZONES. THE WESTERLY FLOW WILL GRADUALLY EXPAND
SOUTHWARD TO COVER MOST OF THE WEST COAST AND THE CENTRAL AND
NORTHERN INTERIOR SECTIONS BY 4 PM WEDNESDAY. A LOW AMPLITUDE
SHORT WAVE IN THE CIRCULATION WILL MOVE EASTWARD ACROSS THE ARCTIC
COAST TODAY. ANOTHER LOW AMPLITUDE SHORT WAVE WILL MOVE EASTWARD
ACROSS THE ARCTIC ZONES TONIGHT INTO TUESDAY. A MORE VIGOROUS
SHORT WAVE WILL ARRIVE ON THE NORTHWEST COAST WEDNESDAY MORNING...
MOVING TO THE CANADA BORDER BY LATE WEDNESDAY NIGHT.

THIS WESTERLY FLOW WILL BRING HIGH MOISTURE CONTENT AIR TO MUCH OF
THE FORECAST AREA...PRECIPITABLE WATERS RANGING FROM 0.8 INCH TO
AS MUCH AS 1.3 INCHES ON BOTH THE GFS AND NAM PROGS. THE MOIST
FLOW AND UPPER DYNAMICS FROM THE SHORT WAVES WILL BRING POTENTIAL
FOR SIGNIFICANT RAINFALL TUESDAY THROUGH WEDNESDAY OVER THE
INTERIOR ARCTIC SLOPE...BROOKS RANGE AND EXTREME NORTHWEST
INTERIOR. THROUGH WEDNESDAY...WIDESPREAD RAINFALL TOTALS OF 0.5 TO
1 INCH ARE EXPECTED...WITH AMOUNTS AS MUCH AS 2 INCHES POSSIBLE IN
PARTS OF THE WESTERN BROOKS RANGE AND NORTHWEST INTERIOR.

A WEATHER FRONT MOVING EASTWARD ACROSS THE ARCTIC ZONES TODAY
WILL BRING SCATTERED SHOWERS. OVER MOST OF THE WEST COAST AND
INTERIOR...ISOLATED OR SCATTERED SHOWERS EXPECTED TODAY WITH
ISOLATED THUNDERSTORMS NEAR THE CANADA BORDER.

COASTAL HAZARD POTENTIAL DAYS 3 AND 4...NONE

&&

.FIRE WEATHER...
NO CRITICAL CONDITIONS EXPECTED.

&&

.HYDROLOGY...
SIGNIFICANT RAIN EXPECTED TUESDAY THROUGH WEDNESDAY IN THE BROOKS
RANGE...INTERIOR ARCTIC SLOPE AND PARTS OF THE NORTHWEST INTERIOR.

&&

.AFG WATCHES/WARNINGS/ADVISORIES...
NONE.
&&

RF JUL 12