Winter Storm Warning 26, NWS Fairbanks, AK

894 
WWAK43 PAFG 101502
WSWAFG

URGENT - WINTER WEATHER MESSAGE
National Weather Service Fairbanks AK
602 AM AKST Sun Dec 10 2017

AKZ218-110100-
/O.CON.PAFG.WS.W.0026.171211T1200Z-171212T2100Z/
Southeastern Brooks Range-
Including Arctic Village, Wiseman, Coldfoot, Chandalar DOT Camp, 
and Iniakuk Lake
602 AM AKST Sun Dec 10 2017

...WINTER STORM WARNING REMAINS IN EFFECT FROM 3 AM MONDAY TO
NOON AKST TUESDAY...

* WHAT...Heavy snow expected. Plan on difficult travel 
  conditions. Total snow accumulations of 3 to 6 inches, with 
  localized amounts up to 18 inches, are expected.

* WHERE...Southeastern Brooks Range.

* WHEN...3 AM Monday to noon Tuesday.

* ADDITIONAL DETAILS...Look for significant reductions in 
  visibility at times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Storm Warning for snow means severe winter weather
conditions are expected. This will make travel very hazardous or
impossible. The latest road conditions can be obtained by calling
5 1 1.

$$

AKZ219-110100-
/O.CON.PAFG.WS.W.0026.171211T1200Z-171212T2100Z/
Upper Koyukuk Valley-
Including Allakaket, Hughes, Bettles, Caribou Mountain, 
and Gobblers Knob
602 AM AKST Sun Dec 10 2017

...WINTER STORM WARNING REMAINS IN EFFECT FROM 3 AM MONDAY TO
NOON AKST TUESDAY...

* WHAT...Heavy snow and blowing snow expected. Plan on difficult 
  travel conditions. Total snow accumulations of 2 to 5 inches, 
  with localized amounts up to 13 inches, are expected.

* WHERE...Upper Koyukuk Valley.

* WHEN...3 AM Monday to noon Tuesday.

* ADDITIONAL DETAILS...Winds gusting as high as 40 mph will 
  cause areas of blowing and drifting snow.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Storm Warning for snow and blowing snow means severe
winter weather conditions are expected. This will make travel
very hazardous or impossible. The latest road conditions can be
obtained by calling 5 1 1.

$$

076 
WWAK43 PAFG 101512
WSWAFG

URGENT - WINTER WEATHER MESSAGE
National Weather Service Fairbanks AK
612 AM AKST Sun Dec 10 2017

AKZ218-110200-
/O.CON.PAFG.WS.W.0026.171211T1200Z-171212T2100Z/
Southeastern Brooks Range-
Including Arctic Village, Wiseman, Coldfoot, Chandalar DOT Camp, 
and Iniakuk Lake
612 AM AKST Sun Dec 10 2017

...WINTER STORM WARNING IN EFFECT FROM 3 AM MONDAY TO NOON AKST
TUESDAY...

* WHAT...Heavy snow expected. Plan on difficult travel conditions.
  Total snow accumulations 4 to 10 inches, heaviest from the 
  Dalton Highway west. 

* WHERE...from the Dalton Highway west. 

* WHEN...3 AM Monday to noon Tuesday. The heaviest snow will be
  Monday afternoon and Monday night.

* ADDITIONAL DETAILS...Look for significant reductions in 
  visibility at times.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Storm Warning for snow means severe winter weather
conditions are expected. This will make travel very hazardous or
impossible. The latest road conditions can be obtained by calling
5 1 1.

$$

AKZ219-110200-
/O.CON.PAFG.WS.W.0026.171211T1200Z-171212T2100Z/
Upper Koyukuk Valley-
Including Allakaket, Hughes, Bettles, Caribou Mountain, 
and Gobblers Knob
612 AM AKST Sun Dec 10 2017

...WINTER STORM WARNING REMAINS IN EFFECT FROM 3 AM MONDAY TO
NOON AKST TUESDAY...

* WHAT...Heavy snow and blowing snow expected. Plan on difficult
  travel conditions. Total snow accumulations of 4 to 6 inches,
  with localized amounts up to 10 inches northwest of Allakaket.
  Blowing snow will cause low visibility over Dalton Highway
  summits. 

* WHERE...Upper Koyukuk Valley.

* WHEN...3 AM Monday to noon Tuesday. The heaviest snow will be
  Monday afternoon and Monday night.

* ADDITIONAL DETAILS...Winds gusting as high as 40 mph will cause
  areas of blowing and drifting snow over Dalton Highway Summits.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Storm Warning for snow and blowing snow means severe
winter weather conditions are expected. This will make travel
very hazardous or impossible. The latest road conditions can be
obtained by calling 5 1 1.

$$

102 
WWAK43 PAFG 102153
WSWAFG

URGENT - WINTER WEATHER MESSAGE
National Weather Service Fairbanks AK
1253 PM AKST Sun Dec 10 2017

AKZ218-111600-
/O.CON.PAFG.WS.W.0026.171211T1200Z-171212T2100Z/
Southeastern Brooks Range-
Including Arctic Village, Wiseman, Coldfoot, Chandalar DOT Camp, 
and Iniakuk Lake
1253 PM AKST Sun Dec 10 2017

...WINTER STORM WARNING REMAINS IN EFFECT FROM 3 AM MONDAY TO
NOON AKST TUESDAY...

* WHAT...Heavy snow expected. Plan on difficult travel 
  conditions. Total snow accumulations 6 to 12 inches, heaviest 
  from the Dalton Highway west.

* WHERE...from the Dalton Highway west.

* WHEN...3 AM Monday to noon Tuesday. 

* ADDITIONAL DETAILS...The heaviest snow will be Monday afternoon
  and Monday night. Look for significant reductions in visibility
  at times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Storm Warning for snow means severe winter weather
conditions are expected. This will make travel very hazardous or
impossible. The latest road conditions can be obtained by calling
5 1 1.

$$

AKZ219-111600-
/O.CON.PAFG.WS.W.0026.171211T1200Z-171212T2100Z/
Upper Koyukuk Valley-
Including Allakaket, Hughes, Bettles, Caribou Mountain, 
and Gobblers Knob
1253 PM AKST Sun Dec 10 2017

...WINTER STORM WARNING REMAINS IN EFFECT FROM 3 AM MONDAY TO
NOON AKST TUESDAY...

* WHAT...Heavy snow and blowing snow expected. Plan on difficult
  travel conditions. Total snow accumulations of 4 to 8 inches,
  with localized amounts up to 10 inches northwest of Allakaket. 
  Blowing snow will cause low visibility over Dalton Highway 
  summits.

* WHERE...Upper Koyukuk Valley.

* WHEN...3 AM Monday to noon Tuesday. 

* ADDITIONAL DETAILS...The heaviest snow will be Monday afternoon
  and Monday night. Winds gusting as high as 40 mph will cause 
  areas of blowing and drifting snow over Dalton Highway Summits.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Storm Warning for snow and blowing snow means severe
winter weather conditions are expected. This will make travel
very hazardous or impossible. The latest road conditions can be
obtained by calling 5 1 1.

$$

308 
WWAK43 PAFG 111426
WSWAFG

URGENT - WINTER WEATHER MESSAGE
National Weather Service Fairbanks AK
526 AM AKST Mon Dec 11 2017


AKZ218-120100-
/O.CON.PAFG.WS.W.0026.000000T0000Z-171212T2100Z/
Southeastern Brooks Range-
Including Arctic Village, Wiseman, Coldfoot, Chandalar DOT Camp, 
and Iniakuk Lake
526 AM AKST Mon Dec 11 2017

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON AKST
TUESDAY...

* WHAT...Heavy snow. Plan on difficult travel conditions. Total 
  snow accumulations 6 to 12 inches, heaviest from the Dalton 
  Highway west.

* WHERE...from the Dalton Highway west. 

* WHEN...through noon Tuesday. The heaviest snow will be today 
  and tonight. Snow will taper off Tuesday morning. 

* ADDITIONAL DETAILS...Look for significant reductions in 
  visibility at times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Storm Warning for snow means severe winter weather
conditions are occurring. This will make travel very hazardous or
impossible. The latest road conditions can be obtained by calling
5 1 1.

$$

AKZ219-120100-
/O.CON.PAFG.WS.W.0026.000000T0000Z-171212T2100Z/
Upper Koyukuk Valley-
Including Allakaket, Hughes, Bettles, Caribou Mountain, 
and Gobblers Knob
526 AM AKST Mon Dec 11 2017

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON AKST
TUESDAY...

* WHAT...Heavy snow and blowing snow expected. Plan on difficult
  travel conditions. Total snow accumulations of 4 inches south of
  the Koyukuk river, with up to 10 inches northwest of the Koyukuk 
  River. Blowing snow will cause low visibility over Dalton 
  Highway summits.

* WHERE...Upper Koyukuk Valley. 

* WHEN...through noon Tuesday. The heaviest snow will be today and
  tonight. The strongest winds and worst blowing snow will be
  today. Blowing Snow will taper off Tuesday morning.
 
* ADDITIONAL DETAILS...Winds gusting as high as 40 mph will cause
  areas of blowing and drifting snow over Dalton Highway Summits
  today.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Storm Warning for snow and blowing snow means severe
winter weather conditions are occurring. This will make travel
very hazardous or impossible. The latest road conditions can be
obtained by calling 5 1 1.

$$

562 
WWAK43 PAFG 112202
WSWAFG

URGENT - WINTER WEATHER MESSAGE
National Weather Service Fairbanks AK
102 PM AKST Mon Dec 11 2017

AKZ218-121500-
/O.CON.PAFG.WS.W.0026.000000T0000Z-171212T2100Z/
Southeastern Brooks Range-
Including Arctic Village, Wiseman, Coldfoot, Chandalar DOT Camp, 
and Iniakuk Lake
102 PM AKST Mon Dec 11 2017

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON AKST
TUESDAY...

* WHAT...Heavy snow expected. Plan on difficult travel 
  conditions. Total snow accumulations 6 to 12 inches, heaviest 
  from the Dalton Highway west.

* WHERE...from the Dalton Highway west.

* WHEN...Until noon Tuesday. 

* ADDITIONAL DETAILS...Look for significant reductions in
  visibility at times. The heaviest snow will be through tonight.
  Snow will taper off Tuesday morning. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Storm Warning for snow means severe winter weather
conditions are occurring. This will make travel very hazardous or
impossible. The latest road conditions can be obtained by calling
5 1 1.

$$

AKZ219-121500-
/O.CON.PAFG.WS.W.0026.000000T0000Z-171212T2100Z/
Upper Koyukuk Valley-
Including Allakaket, Hughes, Bettles, Caribou Mountain, 
and Gobblers Knob
102 PM AKST Mon Dec 11 2017

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON AKST
TUESDAY...

* WHAT...Heavy snow and blowing snow expected. Plan on difficult 
  travel conditions. Total snow accumulations of 4 inches south 
  of the Koyukuk river, with up to 10 inches northwest of the 
  Koyukuk River. Blowing snow will cause low visibility over 
  Dalton Highway summits.

* WHERE...Upper Koyukuk Valley.

* WHEN...Until noon Tuesday. 

* ADDITIONAL DETAILS...Winds gusting as high as 40 mph will cause
  areas of blowing and drifting snow over Dalton Highway Summits
  today. The heaviest snow will be through tonight. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Storm Warning for snow and blowing snow means severe
winter weather conditions are occurring. This will make travel
very hazardous or impossible. The latest road conditions can be
obtained by calling 5 1 1.

$$

382 
WWAK43 PAFG 121429
WSWAFG

URGENT - WINTER WEATHER MESSAGE
National Weather Service Fairbanks AK
529 AM AKST Tue Dec 12 2017


AKZ218-219-121530-
/O.CAN.PAFG.WS.W.0026.000000T0000Z-171212T2100Z/
Southeastern Brooks Range-Upper Koyukuk Valley-
Including Arctic Village, Wiseman, Coldfoot, Chandalar DOT Camp, 
Iniakuk Lake, Allakaket, Hughes, Bettles, Caribou Mountain, 
and Gobblers Knob
529 AM AKST Tue Dec 12 2017

...WINTER STORM WARNING IS CANCELLED...


$$

Northern Alaska Forecast Discussion...CORRECTED
National Weather Service Fairbanks AK
532 AM AKST Sun Dec 10 2017

.SYNOPSIS...
Aloft...
A high amplitude long wave pattern consisting of a deep trough
extending from the Sea of Okhotsk across the Northern Pacific to
the Gulf of Alaska with a strong ridge over Western Canada and
Eastern Alaska will persist through late this week with the ridge
breaking down next weekend. This means that the strong southerly
flow pattern will continue to push warm moist air north over
Northern Alaska through late this week, then cooling next weekend.

A series of strong short wave will move north in this flow. These
waves will bring a series of strong chinook winds to the southern
Interior near the Alaska Range, along with a mix of rain, snow and
freezing rain to the southern Interior. Will see Snow in the
Northern Interior, far western Interior, along the West Coast and
North Slope with each wave. Will address the weather with each
wave with its associated surface feature below.

Surface...
High pressure north of the Arctic Coast of Alaska will persist
through Tue.

A weakening occluded front that lies from the Bering Strait to
Point Hope to Barter Island will dissipate tonight. Scattered snow
showers along and north of this front will diminish to flurries.
Northeast winds 15-25 kt along with patchy fog and blowing snow
along the Arctic Coast will persist into tonight.

An occluded front stretching from Cook Inlet to Eagle will move to
Bethel to Galena to Old Crow by 3pm Sun, to Nunivak Island to
Shishmaref to Barter Island by 3am Mon, then dissipating Mon as a
second front merges with it. Expect 1-2 inches of snow with this
front as it moves northwest, excepting the chinook shadow of the
Alaska Range in the southern Interior where most precip will be
downsloped out, but there will be a chance of rain, freezing rain
as freezing levels rise to near 4000 feet in the southern
Interior.

A frontal wave in the northeast Pacific will move to near King
Salmon as a 967 mb low by 3am Mon, to the Yukon Delta as a 984 mb
low by 3pm Mon, to near Shishmaref as a 995 mb low by 3am Tue, and
near the Bering Strait as a 996 mb low by 3pm Tue. An occluded
front stretching east from this front will move to King Salmon to
Shageluk to Eagle by 3am Mon, to The Yukon Delta to a 996 mb low
near Barter Island by 3pm Mon, to Shishmaref to Point Lay to
Barter Island by 3am Tue then weakening in place Tue. Expect
another batch of strong winds over the Alaska Range with this
front along with a chance of rain, snow and freezing rain in the
southern Interior, while there is 2-4 inches of snow in the
northern and far western Interior. Zones 217-218 and 219 will see
up to 8 inches of snow. Also expect northeast widns 20-30kt just
ahead of the front with blowing snow in the northern and western
Interior and West coast. This will lead to a winter storm warning
for zones 217 218 219 and 213, and winter weather advisory for
zones 207 208 216.

Chinook winds through Alaska Range are now becoming strong, then
will decrease some this afternoon as the front and short wave
move north. Chinook winds will increase again tonight and
continue into Mon afternoon and will likely add high wind warning
for zones 223 225 and extend 226 through Mon pm. There is a
possibility of high winds zones 224 Dot Lake to Tanancross about
Mon am as the winds aloft turn southwest, but still uncertain on
this.

&&

.DISCUSSION...
Models initialize fairly well and show similar solutions through
3am Tue then from 3pm Tue on start to see significant differences
between GFS and ECMF and among GFS ensemble members in short wave
locations and depth, but long wave pattern remains similar. Will
use the GFS for the most part through 3am Tue, then moves towards
the ECMF solution with a blend of ensembles from Tue after noon
on.

Coastal Hazard Potential Days 3 and 4...
Elevated surf and possible freezing spray north side of Little
Diomede and St Lawrence Islands tonight into Mon night due to
strong north winds cold temperatures. Expect Blizzard these
locations to mitigate ice build up from freezing spray as snow
will drift over many objects.

&&

.AFG WATCHES/WARNINGS/ADVISORIES...
Winter Weather Advisory for AKZ201-AKZ202-AKZ203-AKZ204-
AKZ207-AKZ208-AKZ216.

Winter Storm Warning for AKZ213-AKZ217-AKZ218-AKZ219.

High Wind Warning for AKZ223-AKZ225-AKZ226.

Heavy Freezing Spray Warning for PKZ210-PKZ220-PKZ225.

Gale Warning for PKZ210-PKZ220-PKZ225.

Brisk Wind Advisory for PKZ200-PKZ230-PKZ235-PKZ240-PKZ245.
&&

JB DEC 17