Term
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Definition
| high altitude clouds that are thin, wispy |
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Term
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Definition
| change from water vapor to liquid water |
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Term
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Definition
| altitude at which water vapor begins to condense |
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Term
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Definition
| microscopic particles on which water vapor condenses to form cloud droplets |
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Term
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Definition
| thick fluffy clouds with flat bases formed by vertically rising air currents; cotton balls |
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Term
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Definition
| temperature at which saturation occurs and condensation begins; measure of the amount of water vapor in the air |
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Term
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Definition
| rate at which unsaturated air cools as it rises |
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Term
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Definition
| supercooled raindrops that freeze instantly when they hit a solid surface |
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Term
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Definition
| small, nearly spherical pieces of ice made by concentric layers formed by successive freezing of layers of water |
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Term
| Moist-Adiabatic Lapse Rate |
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Definition
| rate at which saturated air cools as it rises |
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Term
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Definition
| any form of water that falls from a cloud to Earth's surface: rain, snow, sleet, hail |
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Term
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Definition
| comparison of actual amount of water vapor in the air with the maximum amount of water vapor that can be present in air at a given temperature and pressure |
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Term
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Definition
| condition in which the air is holding as much water vapor as possible at a given temperature and pressure |
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Term
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Definition
| clear ice particles formed when raindrops freeze before they reach the ground |
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Term
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Definition
| amount of water vapor in air at a given time and place |
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Term
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Definition
| clouds that form in low, horizontal layers |
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Term
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Definition
| invisible gas formed when water reaches 100 C or above and evaporates |
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