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How mountains affect climate.

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Presentation on theme: "How mountains affect climate."— Presentation transcript:

1 How mountains affect climate.
Windward & Leeward

2 Altitude/Elevation

3 Altitude & Elevation Altitude is the height of an object above the mean sea level. Elevation is the height of a place above mean sea level.

4 Mountains

5 What will you find at the peak of a mountain?
It is the coldest part of the mountain. It will be covered with snow and ice. What type of animals will you find up there?

6 Windward vs. Leeward Let's watch!

7 Windward vs. Leeward

8 Windward As the air carries water vapor from the ocean is travels over the windward side of the mountain. You will find the most vegetation (grass, trees, bushes, and flowers) When the water vapor becomes to heavy it falls as rain or snow. As the warm air rises and cools, fog forms.

9 Leeward The dry air continues over to the leeward side of the mountain. The air warms and picks up moisture from the environment. The leeward side of the mountain remains dry. It is also known as the rain shadow.

10 Windward vs. Leeward

11 Windward vs. Leeward

12 Hawaii Since Hawaii is an island and is surrounded by water, does it have a leeward side?

13 Which is windward, which is Leeward?

14 http://www.discovery.com/tv-shows/other- shows/videos/discovery-atlas-hawaii-wind- effect.htm

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16 the north and/or east sides of each Hawaiian Island tend to have the windward climate. In contrast, the south and/or west sides of the islands are leeward Originally posted at: What does leeward and windward mean? | Go Visit Hawaii

17 the north and/or east sides of each Hawaiian Island tend to have the windward climate. In contrast, the south and/or west sides of the islands are leeward. The following satellite map of Hawaii’s Big Island illustrates this climate trend. The greener sides are mostly on the east side of the island, while the drier sections are on the west side. Originally posted at: What does leeward and windward mean? | Go Visit Hawaii

18 Oahu Oahu is made up of two major mountain ranges that were once shield volcanoes that are now extinct. These two mountain ranges – the Waianae range to the west and Koolau range to the east – run almost parallel to each other.

19 Windward side of the Big Island

20 Leeward Kohala Coast of the Big Island

21 Windward & Leeward Windward describes how much rain an area gets and leeward describes how tropical or dry an area is. The trade winds blow from the northeast of the Hawaiian islands to the southwest. The trade winds bring moister air. As the trade winds hit a volcanic mountain, the air cools and creates clouds. Then the clouds produce rain on the windward side. The leeward side is the drier side or the side where the trade winds pass after they hit a mountain. The windward side is the wetter side. Once the water droplets have been released, the dry air now travels of the other side of the mountain, taking water vapors from the environment and causing it to be dry.

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