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14 Cards in this Set
- Front
- Back
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what is air mass?
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air mass is a large body of air having similar properties or weather conditions.
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what is air pressure?
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air pressure is the force of air against earths surface.
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what is an anemometer?
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an anemometer is an instrument used to measure wind speed.
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barometer
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an instrument used to measure air pressure.
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dew point
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the temperature at whih volume of air cannot hold any more water vapor.
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Doppler radar
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a type of radar that calculates distance and shows direction of movement.
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forecast
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a prediction of what the weather will be like in the near future.
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front
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the boundry between warm and old air masses.
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humidity
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water vapor in hte air.
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hurricane
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a large tropical storm that forms over warm oceans and whose winds have velocity of at least 110 kilometers per hour.
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meteorologists
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scientist who study the weather.
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psychrometer
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an instrument used to measure relative humidity.
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relative humidity
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measurment that compares the amount of water vapor in the air with the amount of air can hold at a certain tempurature.
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tornado
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a violent,funnelshaped cloud with extremly strong winds.
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