Submitted by Narrev t3_1280xt8 in explainlikeimfive
ThisHandleIsBroken t1_jegy7m1 wrote
Reply to comment by Ndvorsky in ELI5: What are tree wells and why are they dangerous during an avalanche? by Narrev
there are very tall trees thus very deep wells. loose snow collapses just like a poorly dug hole and the mass of water adds up. you falling in disturbs the tree and its well. the condition changes drastically swiftly and you are the least able to conform in a way that is helpful
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