Scientific Forecaster Discussion
fxak69 pafg 202336
Northern Alaska forecast discussion
National Weather Service Fairbanks Alaska
236 PM akst Fri Jan 20 2017
models in decent agreement through 60 hours.Upper low with deep
cold trough over West Coast. Upper low near Ambler and second
center well north of Barrow will continue to track north to be
above 80n by Saturday afternoon.Deep trough will persist over West
Weak upper level ridging pushes into the eastern interior through
Very weak surface low that has entered the Mainland from the
Bering Sea this morning and has dramatically weakened as it has
moved eastward. It is nearly has an ill-defined center. Clouds
have been slow to move into the central and eastern portion of the
state today. The clouds should serve to warm up the interior
substantially over the next few days.
The very weak surface trough will move eastward across the
interior tonight and areas of light snow will lead the trough.
Very light snow accumulations are expected with most areas
receiving less that an inch of snow.
The gradient will likely increase on the Arctic coast late
tonight. Some clouds are moving towards the eastern Arctic coast
and this would likely increase temperatures later tonight. There
is a wind chill warning currently out for portions of the eastern
Arctic. This may need to be modified. The remaining areas of the
Arctic coast will likely see low wind chills also as winds
increase, hence wind chill advisories have been issued for these
The mid range models indicate decent potential for another strong
storm in the Bering Strait in the middle of next week. .
Wind Chill Advisory for akz201-akz202-akz204-akz224.
Wind chill warning for akz203.