Means of forecasting avalanches include wind wane, dropping barometer and a gust thermometer.
Alta Utah USA Date:1950 Duration:2 min 26 sec Sound:Yes
A training film about the dangers posed by avalanches and the methods to control them in Alta, Utah. An airborne avalanche occurs as snow moves down a dam slide. Some of the snow whirls up with the wind while the rest falls on the ground. Snow moves down as a snow cloud is formed along the slope of Mount Superior. Means of forecasting avalanches include a dropping barometer and a wind wane indicating direction of wind blow. Snow blows from the slope of one mountain to another. A gust thermometer to measure velocity variation of wind. A graph indicates wind speed in miles per hour.
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