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2 products issued by NWS for: 15 Miles NNE Boulder WY
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Hazardous Weather Outlook

Hazardous Weather Outlook
National Weather Service Riverton WY
218 PM MDT Thu Sep 19 2019

Yellowstone National Park-Absaroka Mountains-Cody Foothills-
North Big Horn Basin-Southwest Big Horn Basin-
Southeast Big Horn Basin-Owl Creek and Bridger Mountains-
Bighorn Mountains West-Bighorn Mountains Southeast-
Northeast Johnson County-Southeast Johnson County-
Teton and Gros Ventre Mountains-Jackson Hole-
Wind River Mountains West-Wind River Mountains East-
Upper Wind River Basin-Wind River Basin-Lander Foothills-
Green Mountains and Rattlesnake Range-
Natrona County Lower Elevations-Casper Mountain-Star Valley-
Salt River and Wyoming Ranges-Upper Green River Basin Foothills-
Upper Green River Basin-South Lincoln County-
Rock Springs and Green River-Flaming Gorge-East Sweetwater County-
218 PM MDT Thu Sep 19 2019

...Winter Weather Advisory for Yellowstone National Park and
Absaroka Mountains Friday into Saturday Morning...

This Hazardous Weather Outlook is for Western and Central Wyoming.

.DAY ONE...Today and Tonight.

Elevated to critical fire weather conditions are expected across
parts of Natrona and Sweetwater Counties through early evening.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday.

Accumulating mountain snowfall is expected Friday and Saturday
generally above 8000 feet with the heaviest snowfall occurring
Friday into Friday evening across the northwestern mountains above
10000 feet. Snow levels and precipitation intensity will vary by
location and time. Please see the winter weather advisory as well
as the forecast for your specific location for more details.


Spotter activation will not be needed.


Special Weather Statement

Special Weather Statement
National Weather Service Riverton WY
330 PM MDT Thu Sep 19 2019

Wind River Mountains West-Upper Green River Basin Foothills-
Including the city of Pinedale
330 PM MDT Thu Sep 19 2019

This is a special weather statement from the National Weather
Service Office in Riverton.

* WHAT...Valley rain and mountain snowfall. A few to several
  inches of snow are possible generally above 9000 feet.

* WHEN...Friday and Saturday. The heaviest and most widespread
  precipitation will occur Friday.

* WHERE...Upper Green River Basin and surrounding mountains.

* ADDITIONAL DETAILS...Snow levels are expected to be around 9500
  feet Friday morning, dropping to around 7500 feet late Friday
  night. South Pass will see little or no impacts from this early
  fall storm system.

* IMPACTS...Backcountry activities will be impacted by
  wet, heavy snow or a cold rain and low visibility. Those with
  outdoor interests are encouraged to plan for winter weather.


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