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Depth Hoar is a type of snow crystal also known as TG snow. Depth Hoar forms a layer in the snowpack that acts like ball bearings on the floor of a old folks home. Chances are, some poor bastard is gonna get taken down. Depth Hoar is the weak layer and fails under both natural and manmade triggers such as skiers, snowboarders, snowmobilers and explosives.

Ski Patrollers have been overheard referring to TG snow as depth whore; nasty, sloppy, unreliable long-term and above all, costly.
The Depth Hoar that formed early this ski season is gonna come back and bite us in the ass if we don't blast the shit outta it.

This season's Depth Hoar created some of the worst avalanche conditions we've seen in a long time.
by The Snow Prophet May 13, 2010
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