Air Masses and Fronts

Front

What is an air mass?

Back

An air mass is a large body of air that has uniform temperature and humidity characteristics. It forms over a specific area and can influence the weather in that region.

Front

What are the two main types of air masses?

Back

The two main types of air masses are maritime (formed over oceans) and continental (formed over land).

Front

What is a cold front?

Back

A cold front is the leading edge of a cooler air mass that is replacing a warmer air mass. It often brings precipitation and a drop in temperature.

Front

What is a warm front?

Back

A warm front is the leading edge of a warmer air mass that is replacing a cooler air mass. It typically brings gradual warming and can cause light rain.

Front

What type of weather is associated with a cold front?

Back

Cold fronts are often associated with thunderstorms, heavy rain, and a drop in temperature.

Front

What type of weather is associated with a warm front?

Back

Warm fronts are usually associated with warm, humid weather and can lead to prolonged rain.

Front

How does an air mass change as it moves?

Back

As an air mass moves, it can change temperature and humidity based on the surfaces it travels over, affecting the local weather.

Front

What is a stationary front?

Back

A stationary front occurs when two air masses meet but neither is strong enough to replace the other, leading to prolonged weather conditions.

Front

What is the role of the jet stream in weather patterns?

Back

The jet stream is a fast-flowing air current in the atmosphere that influences weather patterns and the movement of air masses.

Front

What happens when a warm air mass meets a cold air mass?

Back

When a warm air mass meets a cold air mass, the warm air rises over the cold air, which can lead to cloud formation and precipitation.