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Windward and Leeward Sides of a Mountain Range PowerPoint Presentation
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Windward and Leeward Sides of a Mountain Range

Windward and Leeward Sides of a Mountain Range

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Windward and Leeward Sides of a Mountain Range

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  1. Windward and Leeward Sides of a Mountain Range

  2. What side of the mountain does the wind hit first? Why? • The windward side • Global winds constantly push air in the same direction

  3. What happens to the air? Why? • It is forced upwards • Air can’t go through the mountain chain so it must go over it

  4. What does the water vapor in the air do? Why? • The water vapor also rises • As it rises it cools (rising though the troposphere and losing heat) • When it reaches the dew point, the water vapor condenses into cloud droplets • As the air (now with clouds) continues up the mountain it cools more and cold air can hold less moisture than warm air, so… • The moisture falls out as precipitation

  5. What happens on the other side of the mountain? Why? • The air is now drier (lost much of the moisture) • As it flows down the mountain-side, it warms up (warm air hold more moisture than cooler air), so… • No precipitation falls leaving… • Desert or desert-like conditions (DRY)

  6. So Basically… • Water Vapor Rises • It Cools • Condenses to • Create Clouds (at the dew point) • WV , CCCC