Unit 4: Vocab Weather

Front

Prevailing winds are...

Back

Most common direction of winds in a given area at a given time of year.

Front

The jet stream is a...

Back

narrow band of high speed wind high in the atmosphere.

Front

Weather front

Back

Area where two air masses with different temperatures and pressures meet.

Front

Air pressure is

Back

a measure of the weight of the atmosphere

Front

Coriolis effect is the

Back

effect of Earth's rotation on air and water paths; causes curvature.

Front

What is the Atmosphere?

Back

Mixed air pockets held to the Earth by gravity

Front

Anemometer measures:

Back

Wind speed

Front

Psychrometers measure:

Back

humidity in the air

Front

Convection Currents are...

Back

when temperature differences cause liquids and gases to expand and move

Front

An air mass is a body of air with uniform temperature and humidity.

Back

a body of air that has about the same temperature and humidity throughout