The North American Avalanche Danger Scale is a five level scale used to communicate the danger of avalanche to backcountry recreationalists. The danger is a combination of the expected likelihood, size, and distribution of avalanches. It provides a very basic description of the avalanche conditions.
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Please Support NWAC
Are you a member of the Northwest Avalanche Center, or have you renewed your membership for the 2016-17 winter?
Donations from individuals in the community are critical to the continued success of NWAC. Your 2016-17 membership ensures our avalanche and mountain weather forecast continues until the snow stops falling in the spring; enable repairs and improvements to weather stations and our website; and allows us to provide free avalanche awareness classes to those who need it most.
Please consider supporting a service that may someday save your life or that of someone close to you.
Snowball 2016 is Thursday, February 4 at the Seattle Design Center in Seattle!
Please help us support avalanche safety and join us for a great dinner, drinks, silent and live auctions, and more!