Brisk Wind Advisory 34, NWS Fairbanks, AK

NORTHERN ALASKA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE FAIRBANKS AK
227 PM AST SAT FEB 3 2007

.DISCUSSION...

UPPER AIR: GENERAL PATTERN OF LONG WAVE TROUGH OVER BERING SEA AND
LONG WAVE RIDGE OVER WESTERN CANADA WILL CONTINUE INTO MIDWEEK.
THIS PATTERN WILL STEER SHORT WAVE TROUGHS NORTH OF THE EASTERN
ALEUTIANS AND OVER THE EASTERN BERING SEA AND WESTERN COAST ZONES
OF NORTHERN ALASKA.

SURFACE: A 987 MB LOW OVER EASTERN RUSSIA WILL MOVE RAPIDLY NORTH
OF WRANGEL ISLAND THIS EVENING. A 953 MB LOW SOUTH OF THE CENTRAL
ALEUTIANS WILL REMAIN NEARLY STATIONARY THROUGH TUE AND WEAKEN TO
988 MB BETWEEN THE ALEUTIANS AND THE PRIBILOFS BY TUE AFTERNOON. A
GENERAL AREA OF LOW PRESSURE WILL PERSIST OVER THE NORTH CENTRAL
BERING SEA INTO MIDWEEK. HIGH PRESSURE OVER THE INTERIOR WILL
PERSIST THROUGH MON THEN BECOME CENTERED OVER THE YUKON TERRITORY.

NORTH SLOPE: WINDS WILL DIMINISH TONIGHT AND BY SUN AFTERNOON WILL
BE SUB ADVISORY OVER MARINE AREAS. HIGH PRESSURE OVER CANADA WILL
PRODUCE SOUTH TO SOUTHEAST FLOW WITH NO PRECIPITATION INTO
MIDWEEK. PRESSURE GRADIENT OVER MARINE AREAS WILL INCREASE MON
NIGHT AND TUE THEN BEGIN TO DIMINISH ON WED.

WEST COAST: STRONG WINDS OVER PARTS OF WEST ALASKA ARE EXPECTED TO
END LATER THIS EVENING. WINDS WILL BE SUB ADVISORY OVER MOST
MARINE AREAS BY SUN AFTERNOON. STRONG LOW PRESSURE SOUTH OF THE
CENTRAL ALEUTIANS WILL BRING EAST WINDS BACK TO ADVISORY LEVEL
OVER THE SAINT LAWRENCE ISLAND WATERS SUN AFTERNOON AND NIGHT.
ADVISORY WINDS WILL CONTINUE INTO TUE. SCATTERED SNOW SHOWERS WILL
TAPER TO FLURRIES TONIGHT THEN END ON MON. LIGHT SNOW WITH BLOWING
SNOW MAY MOVE OVER SAINT LAWRENCE ISLAND MON NIGHT AND SPREAD
SLOWLY NORTH AND EAST THROUGH WED AS OCCLUDED FRONT CROSSES THE
AREA. ANOTHER OCCLUDED FRONT MAY FOLLOW WED NIGHT AND THU.

INTERIOR: DRY WEATHER IS EXPECTED FOR THE UPCOMING WEEK. NIGHTTIME
INVERSIONS WILL DEEPEN UNDER MOSTLY CLEAR SKIES. HIGH BUILDING OVER
THE YUKON TERRITORY WILL STRENGTHEN THE TANANA VALLEY JET ON MON
WITH WINDY CONDITIONS FOR DELTA FROM MON TO WED.

COASTAL HAZARD POTENTIAL DAYS 3 AND 4...NONE

&&

.AFG WATCHES/WARNINGS/ADVISORIES...
HIGH WIND WARNING FOR AKZ208.

GALE WARNING FOR PKZ210-PKZ220-PKZ225-PKZ230.

BRISK WIND ADVISORY FOR PKZ200-PKZ215-PKZ235-PKZ245.
&&

DA FEB 07