The explosion causes an avalanche that derails the train. Snowstorms and rainstorms are important contributors to avalanche danger. It started as a fun snowball fight that was becoming an avalanche. The debris avalanche was up to in volume. Fire, storm, avalanche and decay were other reasons. This is much slower than a debris avalanche. It was the largest known debris avalanche in recorded history. During the winter, Bella helps rescue a man buried in an avalanche. Mt. Leftovers collapses, causing an avalanche of food that destroys the town. COMSAT moved the team to Denver where it was renamed the Colorado Avalanche. The White Salmon/Avalanche, Mazama, and Klickitat Glaciers were those described. Lodge owner Harry R. Truman was buried under hundreds of feet of avalanche material. NHL goaltender for the Colorado Avalanche, Semyon Varlamov, also hails from Samara. These consist of a powder cloud, which overlies a dense avalanche. Boukreev had dreamt in detail of dying in an avalanche nine months before his death.