8 skiers missing in California avalanche found dead
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Sugar Bowl Academy, a ski-focused private school in the Sierra Nevada, said that multiple people on the fatal trek were connected to its program.
Sport always involves a balance of risk and reward, but some wonder why group was out in historic blizzard.
A torrent of snow slammed Lake Tahoe Tuesday night, making an already-hazardous rescue of the nine missing skiers harder.
Then there needs to be a trigger. A snowpack may be seemingly stable until a snowmobile or skier disturbs it enough that the snow starts to move. Strong winds or rock falls may also cause an avalanche. Blowing snow can create wind loading and build up into cornices, creating an overhang that can eventually fall and trigger an avalanche below.