Air Masses Vocabulary

Arctic (A)

• Very cold air that forms over the Arctic region.

• A warm air mass that forms over the tropics.

• A type of ocean current that circulates in the Atlantic.

• A weather phenomenon characterized by heavy rainfall.

Continental (c)

• Dry air that forms over land.

• Moist air that forms over oceans.

• Cold air that forms in polar regions.

• Warm air that rises from the equator.

Source Region

• The place where an air mass forms, giving it temperature and moisture.

• A region characterized by high pressure and dry conditions.

• An area where weather patterns converge and create storms.

• A location that influences ocean currents and tides.

Maritime (m)

• Moist air that forms over water.

• Dry air that forms over land.

• Cold air that forms in polar regions.

• Warm air that rises in the atmosphere.

Unstable Air

• Air that rises quickly and can lead to storms or clouds.

• Air that remains still and does not change temperature.

• Air that is cool and dry, preventing cloud formation.

• Air that is warm and humid, leading to clear skies.

Air Mass

• A small pocket of air with varying temperatures and moisture.

• A large body of air that has the same temperature and moisture throughout.

• A weather phenomenon that occurs during thunderstorms.

• A type of air pollution caused by industrial emissions.

Tropical (T)

• Warm air that forms near the equator.

• Cold air that forms near the poles.

• Dry air that forms in deserts.

• Cool air that forms in temperate regions.

Stable Air

• Air that rises easily and causes stormy weather.

• Air that doesn’t rise easily and causes calm weather.

• Air that is cold and causes fog.

• Air that is warm and causes thunderstorms.

Polar (P)

• Cold air that forms near the poles.

• Warm air that forms near the equator.

• Dry air that forms in deserts.

• Humid air that forms over oceans.