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14 Cards in this Set

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