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Area Forecast Discussion (AFD)

Issued by Fairbanks, AK (AFG)

                            
609 
FXAK69 PAFG 140006
AFDAFG

Northern Alaska Forecast Discussion
National Weather Service Fairbanks AK
306 PM AKST Wed Dec 13 2017

.DISCUSSION...
A warm southerly flow pattern continues to bring active weather 
to much of the forecast area again today. The main forecast 
challenges over the next 24 hours are mixed precipitation across 
the west coast and western Interior, strong winds in the Alaska 
Range as well as blizzard conditions along the Arctic Coast. 

Central and Eastern Interior: The strong southerly flow aloft is 
bringing some warm temperatures to the Interior today. Strong
winds are expected to continue in the Alaska Range this early 
this evening; however, they are expected to die down late this
evening. There are also some gusty winds in the higher terrain
north of Fairbanks. These winds are also expected to die down this
evening. The southerly flow will limit the potential for 
precipitation this evening from Fairbanks south. A quick moving 
front will bring precipitation to areas north of the Yukon River 
tonight, mainly in the form of snow (although it is possible the 
the precipitation may start out as freezing rain briefly at 
first). Snow accumulation will be at most 4 inches and most places
will see only 1 to 2 inches. No winter weather products are 
currently out because snow amounts are expected to be sub-
advisory. The flow aloft will relax overnight tonight resulting in
cooler temperatures tomorrow across much of the Interior with the
cooling trend continuing over the next few days. Snow is likely 
for the southeastern Interior Thursday evening with one to two 
inches of accumulation expected. On Sunday the flow aloft looks to
turn more westerly. A front moving from west to east across the 
Interior Sunday will bring some snow; however, at this point the 
models differ on the exact details of this.

North Slope and Brooks Range: Winds look to increase along the
Arctic Coast this evening. This will result in reduced visibility 
due to blowing snow. A band of snow will move northward early 
tomorrow morning. The combination of blowing and falling snow will
result in blizzard conditions to develop along the Arctic Coast. 
Winds will decrease tomorrow afternoon which will result in 
improving visibilities.

West Coast and Western Interior: A weather front will move
northward along the coast tonight. This will bring a mixed bag of
precipitation. For areas south of the Bering Strait precipitation
will be rain for a time in the evening due to the warmer air
aloft. The temperatures aloft will continue to cool this evening
resulting in most of the precipitation beginning to mix with and
eventually changing over to snow at some point this evening. 
North of the Bering Strait and away from the coast, the 
predominant precipitation type will be snow. A winter weather 
advisory has been hoisted for zone 208 and 217 where 4 to 7 inches
of snow is expected through tomorrow afternoon. After the front 
moves north the weatehr will be relatively quiet for Friday with 
chances for precipitation in the Yukon Delta and lower Yukon 
Valley on Saturday. 


Coastal Hazard Potential Days 3 and 4...None.

&&

.AFG WATCHES/WARNINGS/ADVISORIES...
Wind Advisory for AKZ219-AKZ223.

High Wind Warning for AKZ225-AKZ226.

Blizzard Warning for AKZ201-AKZ202-AKZ203-AKZ204.

Winter Weather Advisory for AKZ207-AKZ208-AKZ215-AKZ217.

Heavy Freezing Spray Warning for PKZ210.

Gale Warning for PKZ225-PKZ230-PKZ235-PKZ240-PKZ245.
&&

$$

DEC 17