Clouds, Air Masses, Fronts, Weather Instruments, and Maps

Front

What is a cloud?

Back

A cloud is a visible mass of condensed water vapor floating in the atmosphere, typically high above the ground.

Front

What are air masses?

Back

Air masses are large bodies of air that have uniform temperature and humidity characteristics.

Front

What is a cold front?

Back

A cold front is the leading edge of a cooler mass of air, replacing a warmer mass of air.

Front

What is a warm front?

Back

A warm front is the leading edge of a warmer mass of air, replacing a cooler mass of air.

Front

What is a stationary front?

Back

A stationary front is a boundary between two air masses that are not moving, often leading to prolonged periods of cloudy and wet weather.

Front

What is an occluded front?

Back

An occluded front occurs when a cold front overtakes a warm front, causing the warm air to be lifted off the ground.

Front

What type of air mass is cold and dry?

Back

Continental polar.

Front

What type of air mass is warm and moist?

Back

Maritime tropical.

Front

What type of weather instrument measures atmospheric pressure?

Back

Barometer.

Front

What type of weather instrument measures temperature?

Back

Thermometer.