678 
FXAK69 PAFG 132023
AFDAFG

NORTHERN ALASKA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE FAIRBANKS AK
1123 AM AKST SAT MAR 13 2010

.DISCUSSION...
CURRENT GFS/NAM RUNS AND GFS ENSEMBLE MEAN ARE
IN GOOD AGREEMENT OVER THE FORECAST AREA THROUGH
MON AFTERNOON.

OVER THE INTERIOR...WEAK TROUGHING FROM THE SURFACE 
UP TO AROUND 850 MB WILL EXPAND NORTHWARD ACROSS THE
EASTERN INTERIOR SUN AND SUN NIGHT. A WEAK SURFACE
LOW IS EXPECTED TO DEVELOP OVER THE SOUTHERN YUKON
TERRITORY SUN EVE...THEN EXIT NORTHEASTWARD TO
THE GREAT BEAR LAKE AREA BY MON AFTERNOON. LIGHT
SNOW WILL BE POSSIBLE OVER THE EASTERN INTERIOR SUN
AND SUN NIGHT. GFS AND NAM95 SNOW AMOUNTS AND AREA
OF COVERAGE ARE IN GENERALLY GOOD AGREEMENT. IF
SNOW OCCURS...AMOUNTS WILL MOST LIKELY RANGE FROM
FLURRIES UP TO ABOUT AN INCH. HEAVIEST PROGGED SNOW
AMOUNTS ARE IN ZONE 224 WHERE 1 TO 2 INCHES MAY BE 
POSSIBLE.

LIGHT WINDS WILL PERSIST OVER THE ARCTIC COAST AND
ARCTIC MARINE AREAS THROUGH SUN. WINDS WILL BEGIN
TO INCREASE LATE SUN NIGHT OVER ZONE 204 AS THE
SURFACE LOW WHICH DEVELOPS OVER THE SOUTHERN YUKON
TERRITORY MOVES NORTHEAST. WINDS IN ZONE 204 COULD
MAX OUT AT AROUND 30 MPH WITH SOME BLOWING SNOW MON
AFTERNOON INTO TUE MORNING. LIGHT WINDS PERSISTING
OVER THE CENTRAL/WESTERN ARCTIC AREAS WITH BUILDING
HIGH PRESSURE.

NO SIGNIFICANT WEATHER EXPECTED FOR WEST COAST AREAS. 
WILL END THE WIND CHILL ADVISORY FOR ZONE 213 THIS 
AFTERNOON...WINDS AT WALES HAVE BEEN CONSISTENTLY BELOW 
THE 13 KT WIND SPEED THRESHOLD AND ARE NOT EXPECTED TO 
INCREASE.

CURRENT GFS/EUROPEAN RUNS AND GFS ENSEMBLE MEAN 
INDICATE UPPER RIDGING WILL DOMINATE THE FORECAST
AREA THURSDAY THROUGH SAT. THIS BODES FOR SEVERAL DAYS
OF FINE LATE WINTER WEATHER.

&&

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

&&

$$

RF MAR 10