Complex sentence: The first avalanche resulted in the death of skier David Nodine, one of three in-bound deaths in the American West in the 2008-09 ski season, the most since three skiers were killed at Alpine Meadows in 1976.
Split into simpler sentences: The first avalanche resulted in the death of skier David Nodine. It was one of three in-bound deaths in the American West in the 2008-09 ski season, which is the most since three skiers were killed at Alpine Meadows in 1976.