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15 Cards in this Set
- Front
- Back
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layer of the Earth's atmosphere that is closest to the ground and contains 99% of the water vapor and 75% of the atmospheric gases
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troposhere
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the layer of the Earth's atmosphere that is directly above the troposhere; it extends from 10 km above the Earth's surface to 50 km
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stratosphere
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the layer of the Earth's atmosphere that extends from the top of the stratosphere to about 85 km above Earth
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mesosphere
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the layer of the Earth's atomsphere named for it's high temperature; it is the thickest layer of the Earth's atmosphere and is found between 85 km and 500 km above the Earth's surface
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thermosphere
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the outermost layer of the Earth's atmosphere
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exosphere
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large body of air that has the same characteristics of temperature and moisture content as the part of the Earth's surface over which it is formed
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air mass
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narrow belt of strong winds that blows near the top of the troposhere
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jet stream
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causes moving air and water to turn left in the southern hemisphere and turn right in the norhtern hemisphere due to the Earth's rotation
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Coriolis Effect
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climatic event the begins in the tropical Pacific Ocean; may occur when trade winds weaken or reverse, and can disrupt normal temperature and precipitation patterns around the world
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El Nino
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the opposite of El Nino; the winds blowing across the Pacific are stronger than normal, causing warm water to accumulate in the Western Pacific; this may cause droughts in the Southern United States and excess rainfall in the northwestern US
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La Nino
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large, severe storm that forms over tropical oceans, has winds of at least 120 km/h, and loses power when it reaches land
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hurricane
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studeis weather and uses information from Doppler radar, weather satellites, computers, and other instruments to make weather maps and provide forecasts
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meteorologist
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temperature at which air is saturated and condensation forms
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Dew Point
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amount of water vapor held in the air
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humidity
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any rainwater that does not soak into the ground or evaporate but flows over Earth's surface
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run-off
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