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Wyoming, Jackson Hole

Winter Storm Watch

Statement as of 2:56 AM MST on December 19, 2014

Expires 10:00 AM EST on December 22, 2014


... Winter Storm Watch in effect from Saturday evening through
Monday morning...

The National Weather Service in Riverton has issued a Winter
Storm Watch... which is in effect from Saturday evening through
Monday morning.

* Summary and timing... snowfall will move into western Wyoming
Saturday evening... and may become heavy on Sunday across the
area before weakening on Monday morning.

* Snow accumulations... the valley locations may see 5 to 10 inches
of snowfall with this system with the higher accumulations
expected across the northern portion of the Jackson Valley.
Mountain locations could see 12 to 16 inches... with locally
higher amounts to 24 inches.

* Wind and visibility... wind will be strongest over the higher
elevations... and may impact mountain passes with west wind of 25
to 35 mph with gusts over 50 mph. Even the lower elevations will
see southwest wind increasing to 15 to 25 mph on Sunday with
gusts to 35 mph in open areas. The wind and snowfall will limit
the visibility to under one half mile at times.

* Impacts... the combination of snowfall and wind over the higher
elevations would have an adverse impact on travelers across the
area. Significant snowfall across the valleys will create
hazardous driving conditions due to snow packed roadways.

Precautionary/preparedness actions...

Remember... a Winter Storm Watch means conditions are favorable
for hazardous winter weather in and close to the watch area.

The latest Road conditions provided by the Wyoming Department of
Transportation are available by calling 5-1-1 or on the internet
at wyoroad.Info.





Special Statement

Statement as of 3:36 PM MST on December 18, 2014

Expires 7:00 AM EST on December 19, 2014


... Major winter storm possible late Saturday night through Monday
morning...

A storm system over the western Pacific is expected to take aim on
western Wyoming late in the weekend with the potential for
significant snowfall and wind. Snow is expected to start Saturday
night and potentially become heavy early Sunday morning and continue
through Monday morning. Snowfall amounts of 1 to 2 feet are possible
in the mountains with 6 to 12 inches across the Jackson Valley and
lower elevations of Yellowstone National Park... 4 to 8 inches in the
Salt Valley. Temperatures will warm during this storm with some
potential that the lower elevations could see a rain snow mixture
late Sunday into Sunday night. Winds will also be on the increase
during this storm with west wind of 20 to 30 mph with gusts of 50 to
60 mph in the mountains along with 15 to 25 mph wind with gusts to 35
mph across the lower elevations.

Stay tuned to future statements and potential winter highlights.
Prepare now if you plan on travelling across western Wyoming this
weekend or early next week.



Weather Severe Map
Arkansas - Dense Fog Advisory
American Samoa - Flash Flood Watch
California - High Surf Advisory, Coastal Flood Advisory , High Surf Advisory , Winter Weather Advisory
Colorado - Special Statement
Hawaii - High Surf Advisory
Idaho - Special Weather Statement
Kansas - Dense Fog Advisory , Special Statement
Louisiana - Flood Watch
Maryland - Special Statement
Michigan - Winter Weather Advisory
Minnesota - Special Statement
Missouri - Dense Fog Advisory
Montana - Winter Weather Statement , Dense Fog Advisory
Nebraska - Special Statement
New York - Winter Weather Advisory , Special Statement
North Dakota - Dense Fog Advisory
Ohio - Winter Weather Advisory
Oklahoma - Dense Fog Advisory
Oregon - High Surf Advisory , Special Statement
Pennsylvania - Winter Weather Advisory , Special Statement
South Dakota - Special Statement
Tennessee - Special Statement
Texas - Areal Flood Advisory , Dense Fog Advisory
Utah - Special Statement
Vermont - Special Statement
Washington - High Surf Advisory, Coastal Flood Watch , High Surf Advisory , Winter Weather Advisory , Air Stagnation Advisory , Special Statement , Record Report
West Virginia - Winter Weather Advisory , Special Statement
Wisconsin - Areal Flood Warning , Special Weather Statement
Wyoming - Winter Storm Watch , Dense Fog Advisory , Special Statement