MEASURING WEATHER
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