Cambridge Encyclopedia » Cambridge Encyclopedia Vol. 5

anabatic wind

air valley upslope rising

A local upslope wind which develops best in a valley. During the day the air in contact with the valley sides is heated to a greater degree than air at the same elevation but above the valley floor. This leads to convectional rising of the heated air, and a circulation pattern of upslope airflow from valley floor to ridge, to replace rising air. Windspeeds of 10–15 m/32–50 ft per second can occur.

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