Weather and Air Masses

Front

Air Mass

Back

A large body of air with roughly the same temperature and humidity.

Front

Humidity

Back

A measure of how much water vapor is in the air.

Front

Prevailing Winds

Back

Winds that blow mostly in one direction, moving air masses.

Front

Convection Cell

Back

The circulation of air due to heating and cooling of molecules.

Front

Weather Front

Back

The boundary between two air masses.

Front

Cold Front

Back

A type of weather front where cold air masses overtake warm air masses.

Front

Warm Front

Back

A type of weather front where warm air masses overtake cold air masses.

Front

Stationary Front

Back

A type of weather front where a cold air mass and a warm air mass meet, but neither pushes the other out of the way.

Front

Occluded Front

Back

A type of weather front where an air mass gets separated from the ground by a fast-moving cold air mass, resulting in heavy rain.