Rapid warming can cause some pretty big issues and instabilities in the snowpack, which was the case at Crystal Mountain, WA ...

The Kaslo RCMP says the three heli-skiers were part of a group that was swept away into the tree line on Monday.

Kaslo RCMP said two groups of skiers were waiting in a staging area below the tree line of the Clute Creek watershed when they were swept away by an avalanche.