The North American Avalanche Danger Scale is a five-level scale used to communicate the danger of avalanches to backcountry recreationists. The danger is a combination of the expected likelihood, size, and distribution of avalanches.
The North American Avalanche Danger Scale is a five-level scale used to communicate the danger of avalanches to backcountry recreationists. The danger is a combination of the expected likelihood, size, and distribution of avalanches.