The classification of avalanches according to their snow-composition in the United States.
United States USA Date:1943 Duration:1 min 54 sec Sound:Yes
A film depicts the damages from and causes of avalanches. Mountainous region in the United States. Snow covered mountains. The classification of avalanches. They are classified according to the type of snow of which they are composed of. The avalanches caused by dry snow and wet snow are described. A diagram depicts the occurrence of the wind slab avalanches. It shows the wind crust, air pocket, powder snow and ground slope.
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