Avalanche

An avalanche is a rapid downward flow of snow from a mountainside. An avalanche occurs when an area of snow dislodges from the mountain and begins to descend. It can be caused by a variety of factors from unstable ice layers to loud sounds in areas of heavy snowfall.

Fast Facts

1. Responsible for more than 150 deaths annually, worldwide¹
2. Average U.S. victim is male, age 31¹
3. Primarily occur in the winter, from December through April¹
4. About 1/3 of all avalanche fatalities in the U.S. occur in Colorado¹
5. Snowfall of more than a foot creates prime avalanche conditions¹
6. Forests help reduce avalanche risks¹
7. Large avalanches may release as much as 300,000 cubic yards of snow¹

Avalanche Precautions

When going into avalanche territory, it is advisable to check with the mountain or park service center to get the most updated avalanche warning status. Never go into the back country alone. Always take a buddy with you. Stay alert for snow cracks, shady areas and pay attention to the incline of the slope as well. Utilize United States Forest Service training to test the snow pack for stability.²

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