An avalanche swept down Ajax Peak in Colorado as a winter storm approached. Footage shows a mass of ice sliding down the southwest face of the mountain on January 28. Strong southeasterly winds were ...

As the first significant snowstorm in over two weeks hits the Tetons, avalanche professionals expect avalanche danger to spike.

"Heavy snowfall and strong winds may be sufficient to overload very weak snow layers and cause a widespread cycle of avalanches large enough to bury, injure, or kill a person." ...