09-10

Wind gusts reached 96 mph at the Yellowstone Club on Thursday, April 8th, and Lone Peak was not immune.  Even with winds this strong, wind-loading was evident and on Friday numerous deep avalanches occurred in the backcountry on Cedar and Fan Mountains. Photo: Jay Moore


Forecast link: GNFAC Avalanche Advisory for Sat Apr 10, 2010GNFAC Avalanche Advisory for Sun Apr 11, 2010
No Region, 2010-04-09
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    • This avalanche occured on north facing slopes near 9800ft outside the advisory area in the Absaroka Range.  It was triggered as skiers jumped on the snow at the ridge top.  They estimated depth to be 2-3 ft and the total width to be over 1000ft with a powder cloud that dusted the entire bowl.  Fractures propagating over these long distances indicate the existence of a very sensitive weak layer stressed by recent snow and unstable conditions.


    Forecast link: GNFAC Avalanche Forecast for Tue Apr 6, 2010GNFAC Avalanche Advisory for Wed Apr 7, 2010GNFAC Avalanche Forecast for Thu Apr 8, 2010
    No Region, 2010-04-06
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    • Three seperate avalanche crowns can be seen in this photo taken on Sunday, April 4, 2010.  Recent avalanche activity is the #1 sign of unstable conditions on nearby slopes where skiing is not recommended.


    Forecast link: GNFAC Avalanche Forecast for Tue Apr 6, 2010GNFAC Avalanche Advisory for Wed Apr 7, 2010GNFAC Avalanche Forecast for Thu Apr 8, 2010
    Bridger Range, 2010-04-06
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