Basic Avalanche Theory & Identifying Avalanche Terrain

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In this chapter, we cover the science behind the nature and formation of avalanches. It’s essential information for anyone looking to further their avalanche training as well as develop an understanding of how and why avalanches happen. In addition, we’ll help you understand the avalanche bulletin. We cover common terminology and the role weather plays in avalanche forecasting.

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[j.thomas]

Good start to understanding avalanches. Great info. Please also stress the importance of understanding slough (or loose snow) avalanches as well as slab slides. It was only slough that caused Jamie Pierre to get washed down a cliff and lose his life at pre-season (low snow) conditions at an unopened November Snowbird.

RIP JP. Over ten years later and still as missed as ever, buddy! I'd love to tell ya about 900" in Alta last year.

[wesleyguan]

Taking notes while watching this vid could save your life!

[craigbosko]

In order to get a perfect slab avalanche (cohesive snow) it's got to be exactly 38° slope angle.

[PenandPaper]

what type of avalanches slide at 20 degrees?

[richardwhite]

Less background music would be helpful since it isn’t a party that you are providing.

[jeffbrunswick]

Too fast and not enough detail. This is YouTube's fault for removing the dislike button.