Heavy Snow Mountains and Snow in Valleys over the Weekend

Heavy Snow Mountains and Snow in Valleys over the Weekend

URGENT - WINTER WEATHER MESSAGE
National Weather Service Riverton WY
625 PM MDT Fri Apr 7 2017

...Heavy wet snow for the western mountains and valleys tonight
through Saturday night spreading into the Bighorn mountains
through Sunday...

.A strong wet Pacific low pressure trough will bring periods of
heavy wet snow to the Teton, Gros Ventre, Wyoming, Salt River and
Wind river mountains tonight through Saturday night. Rain or a
rain snow mix is expected at time below 7500 feet in the Star
valley and Jackson Hole.  Snow will spread east into the Bighorn
mountains late tonight and extend through Sunday as snow ends in
the west.


Star Valley-South Lincoln County-
Including the cities of Afton, Alpine, Star Valley Ranch, Thayne,
Kemmerer, and Cokeville
625 PM MDT Fri Apr 7 2017

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM MIDNIGHT
TONIGHT TO 6 AM MDT SUNDAY...

* TIMING...A cold front will usher in widespread rain and snow
  showers early this evening with snow levels initially between
  8000 and 9000 feet. Snow levels will lower to below 7000 feet by
  midnight. Periods of snow or a rain and snow mix will continue
  through Saturday, with precipitation expected to change to all
  snow by Saturday evening.

* Snow accumulation...3 to 8 inches with the heaviest snow
  around Thayne, Smoot and Star Valley Ranch.

* MAIN IMPACT...Travel may become difficult with deep wet snow
  accumulating on road surfaces and visibility being reduced
  below an eighth of a mile at times.

* OTHER IMPACTS...Heavy wet snow may make outdoor activities
  difficult and increase the threat of hypothermia for those
  without proper winter clothing.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A winter weather advisory for snow means periods of snow will
cause primarily travel difficulties. Be prepared for snow covered
and slick roads with limited visibilities. Slow down, and allow
extra time to reach your destination. Check the latest road
conditions at wyoroad.info or by dialing 5 1 1.
Salt River and Wyoming Ranges-
625 PM MDT Fri Apr 7 2017

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT SUNDAY...

* TIMING...A cold front will usher in widespread rain and snow
  showers early this evening with snow levels initially between
  8000 and 9000 feet. Snow levels will lower to below 7500 feet
  around midnight. Periods of heavy snow will continue Saturday
  through Saturday night.

* Snow accumulation...8 to 16 inches.

* MAIN IMPACT...Travel over Salt river pass may become difficult
  with deep wet snow accumulating on road surfaces and
  visibility being reduced below an eighth of a mile at times.

* OTHER IMPACTS...Heavy wet snow may make outdoor activities
  difficult and increase the threat of hypothermia for those
  without proper winter clothing.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A winter storm warning means significant amounts of snow, and or
blowing snow are expected or occurring. This could make travel
very hazardous or impossible. If you must travel keep some food,
water, and an extra flashlight in your vehicle in case of an
emergency. Check the latest road conditions at wyoroad.info or by
dialing 5 1 1.

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