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General Avalanche Hazard : Saturday the 20th

  • Current Temps Base 49° Summit 61°
  • SnowFall Last 24 : 0"

  • SnowFall Next 24 : NA

Snow Fall Past 24 Hours

  • Past 24 Snow/Prec. Depth Total
  • Jackson: 0" 0" 0"
  • Targhee: 2" 47" 120"
  • Raymer: NA NA NA
  • Rendez: NA NA NA
  • Joseph: NA NA NA

Weather Past 24 Hours

  • Past 24 At 10,400
  • 5 AM Temp : NA

  • Max Temp : NA

  • AVG Wind Dir : NA

  • AVG Wind Speed : NA

  • Max Gust : NA

Todays Forecast


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General Advisory

NA

Situation

SITUATION Almost twenty inches of snow has now fallen in some mountain locations since Saturday. This snow has all been low density and has fallen from several weak systems with light to moderate winds. The snow lies on good sliding surfaces such as hard crusts, wind pack and surface hoar. Some soft slabs have begun to form from in the mountains. Reduction work in the most prone paths at the Jackson Hole Mountain resort produced a few soft slabs to one foot depths with explosives as the trigger. The failure occured at a density change within this weeks storm snow.

FORECAST FOR Saturday, December 20, 2014 Periods of light to moderate snowfall are expected through the daylight hours Saturday before a much more significant snow and wind event impacts the area Saturday night through Monday morning. The National Weather Service has issued a Winter Storm Watch for this period. Saturdays high temperatures are again to reach the upper teens with southwest winds of ten to twenty miles per hour. The general avalanche hazard will be Moderate above 9000 feet. The recently fallen and new snow could be triggered as loose snow sloughs or very soft slabs in steep terrain with depths to eighteen inches. In the Togwotee Pass area the possibility also continues to trigger deeper hard slabs to three feet in steep north facing terrain. Below 9000 the hazard will be Low, however smaller sloughs or shallow surface slabs could be triggered in isolated areas.

TREND FOR Sunday, December 21, 2014 AND Monday, December 22, 2014 The avalanche hazard will increase quickly as a stronger system is to bring significant snowfall and much stronger winds into Monday.

Weather Station Data

Snow Report Phone Numbers

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Data Provided by :http://www.jhavalanche.org | http://www.jacksonhole.com

Last Update : December 20 2014 12:55:39 AM

Page Cache: December 20 2014 1:35:02 AM

We do not guarantee the accuracy of any of this information. This site is just a tool to help you make better decisions in the mountains. If you have a suggestion about how to make this site better email me.

Teton Pass ( Click to Zoom )

Top of Gondi

Base Area

Tram Line

Grand Targhee

Weather Station Data

Snow Report Phone Numbers

Emergency Phone Numbers

Page Cache: December 20 2014 1:35:02 AM

We do not guarantee the accuracy of any of this information. This site is just a tool to help you make better decisions in the mountains. If you have a suggestion about how to make this site better email me.

Radar Images ( Click to zoom )





Forecast Data from http://www.noaa.gov/

Weather Station Data

Snow Report Phone Numbers

Emergency Phone Numbers

We do not guarantee the accuracy of any of this information. This site is just a tool to help you make better decisions in the mountains. If you have a suggestion about how to make this site better email me.