Various factors leading to avalanche like snow fall, wind force, wind direction being measured.
Alta Utah USA Date:1950 Duration:1 min 39 sec Sound:Yes
A documentary about the dangers posed by avalanches in the mountainous regions of the United States. A snow stake being used to measure th depth of snow. Reading shows 11 feet depth of snow. Heavy snow fall takes place. Snow stakes shows the reading of fresh snow fall as 2 feet. Wind force being measured with the help of anemometer. Strong wind blows during snow fall. A man on ski board as he climbs up a slope. Wind wane indicates the wind direction. Snow load along the slope. A vehicle covered with snow. An avalanche plunges down a mountain.
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