Weather Instruments Flashcards

Terms Definitions
thermometer
psychometer
measures humidity
barometer
air pressure
anemometer
wind speed
hygrometer
measures humidity
weather vane
wind direction
Low Pressure
lousy weather
wind vane/sock
measures wind direction
rain gauge
measures rainfall amounts.
wind vane
tells wind direction
Wind Sock
Wind direction at airports
Anometer
Measures wind speed. Unit: Kilometers per hour
Compass
A navigational instrument for finding directions
High Pressure
Pressure system associated with cooler temperatures and clear skies.
weather satellites
tracks movements of air from space.
wind/weather vane
measures wind direction, name winds with compass directions
Cold Front
A boundry where cooler air replaces warmer air.
weather balloon
sends instruments in sky to study weather conditions above surface
Isobar
A line of equal pressure on a weather map.
aneroid barometer?
air tight metal box that is sensitive to changes in air pressure to measure air in MILLIBARS
Relative Humidity
A ratio of the amount of water vapor that is in the air compared to the maximum amount of water vapor the atmosphere can hold.
mbar
barometer units
psychrometer
measures humidity
max min thermometer
temperature
RAIN GAGE
Measures: Amount of Precipatation
Units: Inches, Centimeters
Doppler Radar
Device used to detect clouds, precipiation, and wind speeds.
sling psychrometer
instrument used to measure relative humidity and dew point
relative humidity table
Reading from a Sling Psychrometer are converted using a
Geostationary Satellite
A device that is placed in space overlooking one fixed spot on the Earth.
weather satellite
place in orbit around earth to monitor weather
mercury barometer?
a vacuum in a mercury dish to measure mercury in INCHES OF MERCURY
precipitation
measures precipitation
anemometer?
wind speed in MPH
Dew Point
Temperature at which water vapor condenses out of the atmosphere.
hygrometer?
type of psycho meter that measures relative humidity
Air Pressure
The push of air on Earth
Isotherm
A line of equal temperature on a weather map.
Wind or Weather Vane
Measures wind direction
Units: Compass directions (N, S, E, W)
Stationary Front
A boundry where warm air and cooler air are not moving.
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