20 terms

Weather terms

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air mass
A huge body of air that has similar temperature, humidity, and air pressure at any given height
front
A boundary between two air masses of different density, moisture, or temperature.
thunderstorms
A small storm often accompanied by heavy precipitation and frequent thunder and lightning.
hurricane
A large, powerful storm that forms over warm ocean waters.
storm surge
A rising of the sea as a result of atmospheric pressure changes and wind associated with hurricanes.
anemometer
An instrument for recording the speed and direction of wind
thermometer
An instrument for measuring temperature
wind vane
An instrument used to measure wind direction (NOT speed) sometimes called a wind sock.
hygrometer
An instrument used to measure the moisture content in the environment.
doppler effect
An observed change in the frequency of a wave when the source or observer is moving. Used to track clouds and precipitation.
isobars
Lines on a weather map that joins places that have the same air pressure.
barometer
An instrument used to measure atmospheric pressure
rain gauge
An instrument used to measure precipitation (usually rain or snow).
Cirrus
High-altitude clouds that are thin, usually an indicator of fair weather.
Cumulus
Clouds that look like balls of cotton. They are low lying clouds that usually indicate good weather.
Stratus
Dark grey sheets of clouds which form close to the ground . These tend to bring rain or snow.
humidity
The amount of water vapor in the air.
relative humidity
The comparison of the actual amount of water vapor in the air to the amount of water vapor the air could have (if full saturation were reached).
saturated
In weather terms, this refers to the maximum amount of water the air can contain.
dewpoint
The temperature at which condensation forms on the ground.