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chapter16
Question | Answer |
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the short-term state of the atmosphere, including temature, humidity, precipitation, wind, and visability | weather |
the amount of water vapor in the air | humidity |
the ratio of the amount of water vapor in the air to the maximum amount of water vapor in the air can hold at a set tempature | realitive humidity |
the change of state from a gas to a liquid | condensation |
a collection of small water droplets or ice crystals suspended in the air, which forms when the air is cooled and condensation occurs | cloud |
any form of water that falls to earths surface from the clouds | precipitation |
a large body of air where tempature and moisture content are constant throughout | air mass |
the boundry between air masses of diffrent densities and usally diffrent tempatures | front |
an area int he atmosphere that has a lower pressure than the surronding areas and has winds that spiral toward the center | cyclone |
the rotation of air around a high-pressure center in the direction oppiosite to earths rotation | anticyclone |
a usually brief, heavy strom that consits of rain, strong winds, lightning, and thunder | thunderstorm |
an electric discharge that takes place between two oppisitley chareged surfaces, such as between a cloud and the ground, between two clouds, or between two parts of the same clouds | lightning |
the sound caused by the rapid expansion of air along an electric strike | thunder |
a destuctive, rotating column of air that has very high wind speeds, is visible as a funnel-shaped cloud, and touches the ground | tornado |
a severe storm that develops over tropical oceans and whose strong winds of more than 120km/h spiral in toward the intensley low-pressure storm center | hurricane |
an instrument that measures and indicates tempature | thermometer |
an instrument that measures atmospheric pressure | barometer |
an instrument used to measure wind speed | anemometer |