Weather Vocabulary
The layer of air that surrounds our planet
atmosphere
Particles of air pressing down on the Earth’s surface
air pressure
The layer of the Earth’s atmosphere that is closest to the Earth
troposphere
The layer of the Earth’s atmosphere that contains the ozone
stratosphere
Sun The warming of the Earth caused by the atmosphere trapping thermal energy from the Sun
Greenhouse effect
huge body of air A huge body of air that has similar temperature and moisture
Air mass
The border where two air masses meet
Front
Wispy, high-altitude clouds that are made up of ice crystals *fair weather
cirrus
Puffy cotton-ball Puffy cotton-ball clouds that form when water droplets condense at middle altitudes
cumulus
Towering dark rain Towering dark rain clouds with a nimbus, or halo, of gray-white *thunderstorms, rain
cumulonimbus
Dark gray clouds Dark gray clouds that form a low layer and sometimes brings light rain or snow showers *blanket
stratus
Instrument that measures air pressure
barometer
The amount of water vapor in the air
Humidity
An instrument that measures moisture in the air
hygrometer
An instrument that is used to measure wind speed.
anemometer