MEASURING WEATHER

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A _____ is an instrument that can detect an upcoming tornado. radiosonde psychrometer Doppler radar hygrometer

Doppler radar

Meteorologists can forecast weather accurately for any length of time. True False

False

Hair can be used to measure humidity. True False

True

Doppler effect

a change in the frequency of sound or light waves that can be used to determine the direction of movement of a wave source

relative humidity

a percentage of the maximum amount of water vapor the air can hold at its current temperature

radiosonde

a transmitter sent up in a weather balloon to send measurements of air temperature, humidity, wind speed, and wind direction

Meteorologists forecast weather by _____. tracking air masses and fronts inputting weather data into a computer using personal knowledge of the area all of the above

all of the above

barometer

measures air pressure

hygrometer

measures humidity

psychrometer

measures relative humidity using a pair of dry bulb and wet bulb thermometers

Doppler radar

measures the location and strength of precipitation

wind vane

measures wind direction

anemometer

measures wind speed

Weather stations send up weather balloons with _____ to transmit temperature, humidity, wind speed, and wind direction measurements. radiosondes psychrometers Doppler radars hygrometers

radiosondes


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