Scientific Forecaster Discussion

Return to Local Conditions & Forecast

Without Abbreviations
With Abbreviations

fxak69 pafg 222204 

Northern Alaska forecast discussion
National Weather Service Fairbanks Alaska
204 PM akdt Wed Mar 22 2017


Aloft at 500 hpa, an upper level ridge will linger over the
central Bering Sea through Saturday and a cold longwave trough
continues over central and eastern Alaska. Shortwave troughs
continue to drop south and east out of the high Arctic along the
downstream side of the upper level ridge into and reinforcing the
longwave trough over central and eastern Alaska.

a weak front will move east over the North Slope tonight and
Thursday. A ridge of high pressure will persist over Mainland
Alaska through Saturday.

North over most northern Alaska continues to be
quiet with only brief periods of snow and blowing snow and low
visibility over the North Slope as a series of shortwaves pass
over the area through Friday.

light snow or flurries will continue along a trough of low
pressure that extends north into the southeast interior from a 999
mb low pressure in the northeast Gulf of Alaska tonight.

Colder than normal temperatures to continue over northern Alaska
through the weekend. 850 mb temperatures over the central and
eastern interior will continue in the 15 to 20 below range through
the weekend before a slow warm up begins next week. Surface
temperatures will continue to drop into the teens below over the
central and eastern interior through the weekend with high
temperatures in the single digits and teens.


Afg watches/warnings/advisories...
brisk Wind Advisory for pkz225.

National Weather Service Glossary of Abbreviations