This page is designed to provide information pertaining to the physical mechanics, hazards, defense and control structures and planning for personal safety. The information is provided with the general public in mind. There are several links to other web sites that provide information on geographical regions, case histories, and more additional information on forecasting of avalanches. Physical Mechanisms provides information on the properties of snow and why avalanches occur.
Economic Impacts contains information on the risk to humans and property.
A list is provided that details the direct and indirect costs from avalanche activity. Planning and Protection provides information on the type of structures needed to protect against avalanche hazards and planning for development of these structures. There are several precautionary measures discussed as well as who to contact to gain additional information. Anyone planning an adventure into snow covered mountainous areas may find this information very useful. Perla, Ronald I. and Martinelli, M. Jr., Avalanche Hanbook , USDA Forest Service Agriculture Handbook 489, July 1976.