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| Chinook (The term Chinook comes from an Indian word which means snow eater. The Chinook wind is a warm, dry wind that descends the eastern slope of the Rocky Mountains and sweeps across the foothills and other parts of Alberta. When it moves over heavy snow cover, it can melt and evaporate a foot of snow in less than a day. Also, the temperature rises sharply, sometimes over 20 degrees Celsius in one hour. fluent) | |||