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Weather and climate
Weather and climate chapter 2 section 1 and 2
| Term | Definition |
|---|---|
| Sea breeze | The flow of air from an ocean or lake to the land. |
| Local wind | Winds that blow over short distances. |
| Wind-chill factor | Increased cooling caused by the wind. |
| Anemometer | An instrument used to measure wind speed. |
| Wind | The horizontal movement of air from an area of high pressure to an area of lower pressure. |
| Latitude | The distance from the equator, measured in degrees |
| Coriolis effect | The way Earth’s rotation makes winds in the Northern Hemisphere curve to the right and winds in the Southern Hemisphere curve to the left. |
| Global wind | Winds that blow steadily from specific directions over long distances. |
| Monsoon | Sea and land breezes over a large region that change direction with the seasons. |
| Land breeze | The flow of air from land to a body of water. |
| Jet streams | Bands of high-speed winds about 10 kilometers above Earth’s surface. |
| Evaporation | The process by which water molecules in liquid water escape into the air as water vapor. |
| Relative humidity | The percentage of water vapor in the air compared to the maximum amount the air could hold at that temperature. |
| Psychrometer | An instrument used to measure relative humidity, consisting of a wet-bulb thermometer and a dry-bulb thermometer. |
| Condensation | The process by which molecules of water vapor in the air become liquid water. |
| Humidity | A measure of the amount of water vapor in the air. |
| Dew point | The temperature at which condensation begins. |
| Cumulus | Clouds that form less than 2 kilometers above the ground and look like fluffy, rounded piles of cotton. |
| Stratus | Clouds that form in flat layers. |
| Cirrus | Wispy, feathery clouds made mostly of ice crystals that form at high levels, above about 6 kilometers. |