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Earth's System: The Atmosphere
Local Winds - II
Description
Local Winds - II
Mountain and valley breezes are local wind patterns caused by differences in how fast mountain slopes and valleys heat up and cool down. During the day, mountain slopes get warmer than the valley floor, causing warm air to rise and cooler air from below to move up—this is a vall...
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Transcript
Mountain and valley breezes occur because the slopes and valleys heat and cool at different rates during the day and night.
During the day, mountain slopes warm up faster than the valley floor. As the warm air rises from the slopes, cooler air from the valley flows upward to replace it. This upward movement of air is called a valley breeze...
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