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Backcountry hazards - Treewells

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  • Backcountry hazards - Treewells

    Just a collection of info, links and videos regarding treewells. Please feel free to add/comment.






    A tree well is a void or depression that forms around the base of a tree can and contain a mix of low hanging branches, loose snow and air. Evergreen trees in particular (fir, hemlock, etc) can have large, deep tree wells that form when low hanging branches block snow from filling in and consolidating around the base of the tree. These voids can be hidden from view by the tree’s low hanging branches.

    A tree well/ snow immersion suffocation accident can happen when a skier or snowboarder falls – usually headfirst – into a tree well or deep loose snow and becomes immobilized and trapped under the snow and suffocates.

    In an inverted position you can become trapped under the snow. Breathing becomes difficult as the loose snow packs in around you. Without immediate help from your partner, you may suffocate.

    Tree Well and Snow Immersion Suffocation (SIS)Hazard & Safety Information
    http://www.deepsnowsafety.org/index.php/


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