The conditions that drove the deadliest avalanche in California's modern history began to emerge days in advance, as a blizzard brewed after an unusually dry January in the Sierra Nevada. Citing rapid ...

Avalanche defined as a rapid snow mass flow down slopes. Forms when weak layers collapse under slab weight. Four types: slab, loose snow, wet snow, and glide avalanches. Triggers include heavy snow, ...

The story of how nine skiers were killed, and six survived, in the deadliest avalanche in modern California history. A 3-D model reconstruction of Perry's Peak area based on data from the United ...