Still thinking about the two treewell deaths recently in BC.

I remember back when I first wrote "How to kill yourself snowshoeing", I was attempting to highlight how slips and falls on hard snow killed quite a few people. That's when I first encountered the treewell research. https://twitter.com/lithohedron/status/1345074993558786048
That's when I encountered the DeepSnowSafety web site. US-centric, they attempt to measure the issue with statistics.

https://www.deepsnowsafety.org/ 

Thankfully the awareness of this hazard has risen lightly over the years and now most snow safety orgs mention it.
Deep snow immersion deaths are SURPRISINGLY common in ski areas.

This highlights that the buddy system is important no matter where you ski.
In the winter people are longing for that first run, switching from uphill to downhill mode is often done quickly. I've been in groups where party management has been nonexistent.

The backcountry community needs to recognize how easy these deaths are to prevent.
Here's @BCAdvSmart info on Treewells, but the basic advice is for backcountry travel in the winter, always go with a buddy.

Snow is an inherently unstable surface. https://twitter.com/BCAdvSmart/status/1345168983800991745?s=19
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