Brisk Wind Advisory 20, NWS Fairbanks, AK

NORTHERN ALASKA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE FAIRBANKS AK
118 PM AKST SUN JAN 15 2012

.DISCUSSION...
MODELS IN DECENT AGREEMENT THROUGH 60 HOURS. HIGH ALOFT OVER
BERING SEA AND FAR EASTERN RUSSIA WILL CONTINUE THROUGH THE WEEK.

SHORT WAVE TROUGH EMBEDDED IN UPPER LEVEL RIDGE IS PUSHING THROUGH
WEST COAST THIS AFTERNOON. IN ITS WAKE THERE WILL BE A PLETHORA OF
STRATUS LEFT BEHIND THE THE SHORT WAVE. SATELLITE IMAGERY SHOWS
THAT THERE IS EXTENSIVE STRATUS BEHIND THE TROUGH. AS THIS TROUGH
PUSHES EASTWARD THE CLOUDS WILL SPREAD EASTWARD AND MODERATE
TEMPERATURES A LITTLE WITH SOME ACCOMPANYING FLURRIES. THIS WILL
ONLY BE TEMPORARY AS THE CLOUDS WILL CLEAR BACK OUT AND THE
TEMPERATURES WILL DROP ONCE MORE OVER THE CENTRAL AND EASTERN
INTERIOR THROUGH NEXT WEEKEND WITH THE COLDEST AIR FILTERING BACK
IN BY NEXT WEEKEND.

BOTH THE GFS AND THE EUROPEAN MODELS SHOW THE COLDER AIR RETURNING
BY THE END OF THE WEEK TOWARDS THE WEEKEND BUT FROM 2 DIFFERENT
SOURCES BUT EITHER WAY....IT IS COLDER AIR.

AS THE HIGH CONTINUES TO BUILD OVER THE NORTHWEST ARCTIC COAST AND
THE COLD LOW MOVES OUT OF THE HIGH ARCTIC SOUTHWARD TOWARD THE
NORTH CANADIAN COAST. THIS WILL TIGHTEN THE GRADIENT OVER THE
EASTERN ARCTIC COAST BEGINNING LATER THIS EVENING.

LITTLE TO SNOWFALL OVER MOST OF NORTHERN ALASKA THROUGH THE WEEK.
WINDS WILL BE FAIRLY LIGHT FOR THE MOST PART OVER NORTHERN ALASKA
WITH THEN EXCEPTION OF OF THE EASTERN ARCTIC COAST AND PLAIN
THROUGH THE MIDDLE PART OF THE WEEK. NORTHERLY WINDS WILL DEVELOP
OVER THE BERING SEA AND BERING STRAIT COAST ON TUE AND THEN
CONTINUE ESSENTIALLY THROUGH THE REMAINDER OF THE WEEK.

&&

.AFG WATCHES/WARNINGS/ADVISORIES...
WIND CHILL ADVISORY FOR AKZ209.

DENSE FOG ADVISORY FOR AKZ222.

BLIZZARD WARNING FOR AKZ204.

GALE WARNING FOR PKZ245.

BRISK WIND ADVISORY FOR PKZ240-PKZ245.
&&

CF JAN 12