Wind. Uneven Heating Not all parts of the Earth are heated evenly. The equator gets the most energy from the sun, the poles get the least. Air of different.

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Presentation transcript:

Wind

Uneven Heating Not all parts of the Earth are heated evenly. The equator gets the most energy from the sun, the poles get the least. Air of different temperatures will interact and make wind.

Hottest Coldest

The Coriolis Effect Movie 1. Movie 2MovieMovie 2 The Coriolis effect is when air is swirled by the Earth rotating. Air moves counter clockwise North of the equator and clockwise South of the equator.

Toilets and Sinks It is a myth that the rotation of the Earth causes the swirl of sinks and toilets. Some claim toilets and drains below the equator swirl the opposite way. This is not true.

Remember Warm air rises Cold air falls

Wet Wet Wet Dry Dry

The Doldrums At the equator, the air goes straight up. Why? This is no good if you are sailing a boat. Why?

Types of Winds Winds that blow along the surface are called Surface Winds. (Trade winds, Westerlies, Easterlies) Winds that blow far above the surface of the Earth are called High Altitude Winds. (Jet Stream)

SEA BREEZE A sea breeze occurs when the water is cooler than the land.

LAND BREEZE A land breeze occurs when the land is cooler than the water.

Go Back

A Sea Breeze occurs when the water is cooler than the land. A Land Breeze occurs when the land is cooler than the water.