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Winds Review
Local and global winds
| Term | Definition |
|---|---|
| wind | The horizontal movement of air from an area of high pressure to an area of lower pressure. |
| anemometer | Instrument used to measure wind speed. |
| local winds | Winds that blow over short distances. |
| global winds | Winds that blow steadily from specific directions over long distances. |
| sea breeze | The flow of cooler air from over an ocean or lake toward land. |
| land breeze | The flow of air from land to a body of water. |
| Coriolis effect | The change that Earth's rotation causes in the motion of objects and that explains how winds curve. |
| latitude | The distance north or south of the equator |
| jet stream | Bands of high speed wind 10 km above Earth's surface. |
| Doldrums | Regions near the equator with little or no wind. |
| Horse Latitudes | Area about 30 north and 30 south latitude where air stops moving toward the poles and sinks. |
| Trade Winds | Winds that blow west between the equator and 30 N and 30 S. |
| Prevailing Westerlies | Winds between 30 and 60 that blow toward the poles but are curved east by the Coriolis effect. |
| Polar Easterlies | Cold air that blows west away from the poles. |