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Wyoming, Teton and Gros Ventre Mountains

Winter Storm Warning

Statement as of 2:41 AM MST on November 22, 2014

Expires 8:00 AM EST on November 23, 2014


... Winter Storm Warning remains in effect until 6 am MST Sunday...

A Winter Storm Warning remains in effect until 6 am MST Sunday.

* Summary and timing... snow will begin this morning and become
moderate to heavy in intensity. Snow will start to taper off
this evening.

* Snow accumulations... 10 to 20 inches in the mountains. 6 to 10
inches in the valleys.

* Wind and visibility... west winds 30 to 40 mph with gusts to 60
mph at ridge top level. West to southwest wind 15 to 25 mph with
gusts to 35 mph in the valleys below today. Winds will shift to
the northwest tonight and decrease. Expect widespread areas of
reduced visibility in falling and blowing snow... especially on
the passes and north of Jackson and Wilson... across the Teton
Village area and Grand Teton National Park.

* Impacts... heavy snow... brisk wind and blowing snow may lead to
very difficult travel across the western mountains and valleys
this weekend... as well as increase the avalanche danger...
please visit www.Jhavalanche.Org before venturing out into the
back country this weekend. Cooler temperatures and strong
winds will also cause wind chills to drop to dangerous levels.

Precautionary/preparedness actions...

A Winter Storm Warning for heavy snow means severe winter weather
conditions are expected or occurring. Significant amounts of
snow are forecast that will make travel dangerous. Only travel in
an emergency. If you must travel... keep an extra flashlight...
food... and water in your vehicle in case of an emergency.

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 Weather Statement

Statement as of 2:01 AM MST on November 20, 2014

Expires 6:00 PM EST on December 20, 2014


... Significant snow expected across the western mountains
beginning Friday night and lasting through Sunday morning...

Moisture will be on the increase from the eastern Pacific starting
today... continuing through Saturday night. Light areas of snow will
begin to fall across the mountains of western Wyoming starting
later today... continuing off and on through the day Friday. The
mountains will see between one and three inches of snowfall with
this initial system... with a trace to and inch at lower elevations.
However... after midnight Friday... a much stronger and more moisture
laden system will run into the western mountains with periods of
moderate to heavy snowfall at times... lasting through Saturday
night. Heaviest snowfall is currently expected between mid day
and midnight on Saturday before tapering off to light snow showers
by Sunday morning. The mountains will likely see 8 to 12 inches of
new snowfall with this second system through Sunday morning... with
the Star and Jackson valleys receiving between 3 and 6 inches.
Additionally... as winds of 10 to 25 mph come around to the west
to southwest with this system... favored windward slopes will see
as much as 14 inches of the white stuff over the same period of
time.

All travelers and outdoor enthusiasts should be prepared
for this snow event along with the possibility of delayed
travel... particularly over the region's mountain passes. Please
check back with the National Weather Service in Riverton through the
rest of the week for future forecasts and statements concerning
the this event.



Weather Severe Map
Alabama - Coastal Hazard Statement
Alaska - Wind Advisory , High Wind Warning , Winter Weather Advisory , Special Statement , Record Report
Arkansas - Tornado Watch
California - Flash Flood Watch , Wind Advisory , High Wind Watch , Wind Advisory, High Wind Watch , High Wind Warning, Wind Advisory , High Wind Warning , Fire Weather Watch , Public Information Statement
Colorado - Winter Storm Warning , Winter Weather Advisory , Special Weather Statement , Public Information Statement
Florida - Tornado Watch , Coastal Hazard Statement , Fire Weather Advisory
Georgia - Coastal Hazard Statement
Hawaii - Record Report
Idaho - Wind Advisory , Winter Storm Warning , Winter Weather Advisory , Record Report
Illinois - Freezing Rain Advisory , Special Statement
Indiana - Freezing Rain Advisory , Winter Weather Statement , Record Report , Public Information Statement
Iowa - Freezing Rain Advisory , Dense Fog Advisory , Special Statement , Record Report
Kansas - Dense Fog Advisory
Kentucky - Special Statement , Record Report
Louisiana - Tornado Watch , Coastal Flood Advisory
Massachusetts - Special Statement
Michigan - Freezing Rain Advisory , Special Statement , Record Report
Minnesota - Freezing Rain Advisory , Dense Fog Advisory , Record Report
Mississippi - Coastal Flood Advisory
Montana - High Wind Warning , Wind Advisory , Winter Weather Advisory , Winter Storm Warning
Nebraska - Flood Advisory , Dense Fog Advisory
Nevada - Wind Advisory , High Wind Warning , Winter Weather Advisory , Winter Storm Warning , Special Statement
New Hampshire - Special Statement
New Mexico - Wind Advisory , High Wind Warning , High Wind Watch
New York - Areal Flood Watch , Freezing Rain Advisory , Winter Weather Advisory
North Carolina - High Wind Watch
North Dakota - Special Statement
Ohio - Freezing Rain Advisory , Special Statement , Record Report
Oklahoma - Tornado Watch , Dense Fog Advisory
Oregon - Wind Advisory , High Wind Warning, Wind Advisory , Winter Weather Advisory , Special Statement
Pennsylvania - Freezing Rain Advisory , Record Report
Puerto Rico - Flash Flood Watch
South Carolina - Flash Flood Watch
Tennessee - High Wind Watch
Texas - Tornado Watch , Coastal Hazard Statement , Coastal Flood Advisory , High Wind Watch , Dense Fog Advisory
Utah - Wind Advisory , Winter Weather Advisory , Winter Storm Warning , Special Weather Statement
Virginia - High Wind Watch
Washington - Winter Weather Advisory , Winter Storm Watch , Winter Storm Watch, Winter Weather Advisory , Winter Storm Warning , Record Report
West Virginia - Freezing Rain Advisory
Wisconsin - Freezing Rain Advisory , Record Report
Wyoming - High Wind Watch , High Wind Warning , Winter Weather Advisory , Winter Storm Warning , Special Weather Statement
- Tornado Watch