Wind Chill Advisory 95, NWS Fairbanks, AK

NORTHERN ALASKA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE FAIRBANKS AK
227 PM AST SUN MAR 4 2007

.DISCUSSION...
ALOFT...LONGWAVE TROUGH OVER EASTERN ALASKA SOUTHWARD OVER
EASTERN PACIFIC AND RIDGE OVER FAR EAST RUSSIA PERSISTING. LOW
OVER SIBERIA WILL MOVE OVER RIDGETOP TUE THEN DROP SOUTH OVER
WESTERN AK WED AND MERGE WITH GULF OF ALASKA LOW ON THU.

SURFACE...1048 MB HIGH FROM BARROW NOOORTHWEST INTO CHUKCHI SEA
WILL MOVE TO BANKS ISLAND AND WESTERN CANADA TUE PM AND WEAKEN TO
1036 MB. LOW ABOUT 52 NORTH LATITUDE WILL MOVE TO CENTRAL
SOUTHEAST ALASKA AND DISSIPATE MON NIGHT BUT BEFORE THEN IT WILL
INCREASE PRESSURE GRADIENT OVER SOUTHERN HALF OF ALASKA SUN NIGHT
THROUGH MONDAY. DEVELOPING LOW OVER RUSSIA FAR EAST MOVING ACROSS
CENTRAL CHUKCHI SEA TUE REACHING WAINWRIGHT AT 1011 MB 12Z WED.

MODELS...IN GOOD AGREEMENT. IN MID-TERM BOTH U.S. AND ECMWF HANG
ONTO COLD PATTERN...IN ALMOST IDENTICAL FASHION OVER ALASKA AT
LEAST...THROUGH DAY 10.

NORTH SLOPE...ADVISORY WIND CHILLS HAVE DROPPED OFF OVER PASSES
OF 206 AND LIKELY NOT RETURNING SOON. SOME CLOUDS...CHANCE OF
SNOW...AND INCREASING SOUTHEAST WINDS FOR WEST HALF TUE WITH
INCOMING LOW FROM RUSSIA. OTHERWISE QUIET.

WESTERN ALASKA...ADVISORY WIND CHILLS HAVE DRIOPPED OFF DURING THE
DAY. NORTHERN ZONE 210 MAY HANG ONTO CHILLS INTO EVENING WITH
PERSISTANT BUT LOCAL WEST WIND. INCOMING LOW FROM RUSSIA BRINGING
BRISK SOUTHEAST WINDS OVER WESTERN MARINE AREAS 220 AND 225 MONDAY
BUT A LESSER INCREASE IN WIND OCCURRING OVER LAND AREAS MONDAY
THROUGH TUE...AS WELL AS SOME CLOUDS AND A CHANCE OF SNOW OVER
NORTHERN COASTAL ZONES AS WELL AS ZONE 213.

CENTRAL/EASTERN INTERIOR...INCREASING WINDS THROUGH ALASKA RANGE
PASSES AND HIGHER ELEVATIONS OF ZONES 220-222 TONIGHT AND MONDAY
WILL RESULT IN ADVISORY WIND CHILLS. PATCHY CLOUDS AND FLURRIES
NEAR WESTERN ALASKA RANGE MAY LINGER INTO MONDAY...BUT MORE
CLOUDS ARE LIKELY TUE AND TUE NIGHT OVER ZONES 224 AND 226 FROM
WRAPAROUND MOISTURE OF LOW DYING OVER SOUTHEAST ALASKA.

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

&&

.AFG WATCHES/WARNINGS/ADVISORIES...
WIND CHILL ADVISORY FOR AKZ210-AKZ220-AKZ221-AKZ222-AKZ225-
AKZ226.

BRISK WIND ADVISORY FOR PKZ220-PKZ225.
&&

JL MAR 07