Weather Vocabulary

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Weather Vocabulary
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The layer of air that surrounds our planet
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atmosphere
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Particles of air pressing down on the Earths
surface
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air pressure
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The layer of the Earths atmosphere that is
closest to the Earth
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troposphere
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The layer of the Earths atmosphere that contains
the ozone
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stratosphere
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The warming of the Earth caused by the atmosphere
trapping thermal energy from the Sun
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Greenhouse effect
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A huge body of air that has similar temperature
and moisture
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Air mass
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The border where two air masses meet
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Front
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Wispy, high-altitude clouds that are made up of
ice crystals
fair weather
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cirrus
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Puffy cotton-ball clouds that form when water
droplets condense at middle altitudes
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cumulus
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Towering dark rain clouds with a nimbus, or halo,
of gray-white
thunderstorms, rain
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cumulonimbus
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Dark gray clouds that form a low layer and
sometimes brings light rain or snow showers
blanket
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stratus
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Instrument that measures air pressure
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barometer
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The amount of water vapor in the air
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Humidity
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An instrument that measures moisture in the air
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hygrometer
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An instrument that is used to measure wind speed.
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anemometer