Brisk Wind Advisory 184, NWS Fairbanks, AK

NORTHERN ALASKA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE FAIRBANKS AK
600 AM AKST FRI DEC 14 2012

.DISCUSSION...
MODELS IN DECENT AGREEMENT THROUGH 48 HOURS. THE GFS...ALTHOUGH
BEING THE ODD MODEL OUT WITH FUTURE BERING SEA LOW BEING A SINGLE
CENTER WITH A DEEP CENTRAL PRESSURE. THE OTHER MODELS PRESENTED A
DIFFERENT APPROACH WITH A DOUBLE CENTER WITH ONE NORTH AND ONE TO
THE SOUTH. THE GFS HAS GLEANED ONTO THIS SOLUTION IN THE 06Z RUN.

COLD UPPER LEVEL LOW NEAR BARTER ISLAND WILL PULL NORTHWARD OF THE
ARCTIC COAST BY SAT AFTERNOON. UPPER LEVEL TROUGH WILL MOVE OVER
EASTWARD ACROSS NORTHERN ALASKA THROUGH SAT. THIS WILL USHER IN
VERY COLD AIR ALOFT OVER THE CENTRAL INTERIOR. ADDITIONALLY...A
MATURE LOW WILL MOVE TO YAKUTAT BY LATER TONIGHT AND THEN WEAKEN.
THIS WILL SPIN UP SOME MOISTURE TO THE EASTERN INTERIOR. THIS LOW
IS NOT LADEN WITH A HUGE AMOUNT OF MOISTURE BUT SHOULD BE
SUFFICIENT TO DROP A FEW INCHES OF SNOW IN ZONE 224 BUT MAY REACH
ADVISORY LEVEL SOUTH OF CHICKEN IN ZONE 224. UPSLOPE FLOW OVER THE
THE AREA FROM THE TOK CUTOFF EAST WILL LIKELY SEE SOME ADVISORY
LEVEL SNOWFALL THOUGH THROUGH SAT.

A BRIEF WARM UP OVER THE CENTRAL INTERIOR ON MON WILL GIVE WAY TO
THE RESURGENCE OF COLDER AIR ON TUE AND WILL LIKELY REMAIN THERE
THROUGH THE WEEK..

COASTAL HAZARD POTENTIAL DAYS 3 AND 4...NONE

&&

.AFG WATCHES/WARNINGS/ADVISORIES...
WINTER WEATHER ADVISORY FOR AKZ224-AKZ226.

BRISK WIND ADVISORY FOR PKZ210.
&&

CF DEC 12