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Must Read: Tree Wells Account For 20% of All Ski Area Deaths

What is a Tree Well and Snow Immersion Suffocation (SIS) Accident?

Information provided by, deepsnowsafety.org

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.

Prevention of falling into a tree well  or areas of deep snow is all-important because the odds of surviving deep snow immersion are low.

90% of people involved in Tree Well/ SIS hazard research experiments could NOT rescue themselves. If a partner is not there for immediate rescue, the skier or rider may die very quickly from suffocation – in many cases, he or she can die as quickly as someone can drown in water.

Tree wells have accounted for 20% of ski area fatalities of all kinds. 

What if you go down?

    • Yell or use whistle to get your partners attention.
    • Do whatever you can to keep your head above the surface of the snow including rolling, grabbing tree branches or the tree trunk. If possible, keep your feet below level of your head.
    • If you become immersed, make a space around your face and protect your airway – resist the urge to struggle, it could compromise your airspace and entrap you further.
    • Stay calm to conserve air.
    • Trust your partner is on their way.
    • If possible, use your cell phone to call ski patrol or the resort’s emergency number.

What if your partner goes down?

More than half of all SIS victims were with partners that did not see them go down. Lose sight of your partner and you could lose your friend.
If you lose contact with your partner, assume they need help. Many SIS victims have died while their partners were waiting at the bottom of a lift.
 
TIP: In dense tree areas or in poor visibility, ski or ride short pitches and stop to regroup often – stay within sight of your partner!
  • Don’t leave to get help – Stay with your partner!
  • Call for additional resources. Use a whistle or yell for assistance. If possible, call ski partol or the resort’s emergency phone number.
  • Evaluate scene safety for yourself.
  • IMMEDIATELY begin snow immersion rescue efforts. – Go directly for the airway, and keep it clear, be careful not to knock more snow into the hole. Clear any snow from the airway and continue necessary first aid or extrication efforts
  • Do not try to pull victim out the way they fell in. Instead, determine where the head is and tunnel in from the side. – When tunneling directly for the airway be careful not to knock more snow into the hole.Continue expanding the tunnel to the airway until you can extricate the body. Efficient “strategic shoveling techniques”with multiple rescuers is very useful.

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Read more at deepsnowsafety.org

 

 

9 comments
  • Stewart Birmingham

    i saved my good friend from dieing in a tree-well last winter while skiing some East Vail backcountry on a storm day… good thing we were taking turns riding and i had my eyes glued to him, he woulda been dead quick as it was 4pm and getting dark soon… he had my gopro rolling the whole time, so the footage of everything is all there, check it out-

    https://vimeo.com/76922507

  • Crudmaster

    WOW! Just watched your video, your friend is one lucky bastard. The tree didn’t look like the well would have been that deep…very deceiving. Glad everything worked out.

  • james "the beast"

    I’ve had it happen while snowboarding, chest deep powder, my edge bottomed out feel backwards head first into a tree well. Started to choke on snow and couldn’t breath. The real problem is you try to breath and you keep inhaling snow, this causes you to hyperventilate. Luckily I stayed calm and was able to get my arm free and twist my body out of position but it took me almost 2-3 minutes to do when I finally got out I was very lightheaded and almost fainted. I never understood how people could die from it until it happened to me, defiantly something to educate yourself on.

  • anonym

    Step #0 before skiing trees is REMOVE YOUR POLE STRAPS. Don’t let your ski poles prevent you from saving yourself if you go down. That tip is on the deep snow safety website but it deserves a mention here as well….

  • Jahn Knob

    I would really like to see the resorts take some responsibility and start banning tree wells. I what are they doing to make these dangerous conditions safer?

  • crudmaster

    First thing I do with a pair of new poles is cut the straps off…for several reasons…# 1 Why would you want to take your poles with you during a fall and risk impaling yourself…remember the safety straps on skis? its the same thing with poles #2 I have experienced times while skiing pow in the trees when my basket gets caught up on something underneath the snow that I can’t see….Save yourself a dislocated shoulder!

  • Frank V.

    Jahn Knob, my friend…. you are an idiot LOL. Seriously though, pretty funny post that I am sure some may take serious ;)

  • Pingback: Skier Dies After Fall Into Tree Well at Whitefish Resort

  • Pingback: Chilling Footage of Snowboarder Buried Alive in Deep Snow

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