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 affect the weather in regions it moves into.

Tags

NGSS.MS-ESS2-5

Front

What are the four main types of air masses that affect the US?

Back

The four main types of air masses are: cP (continental polar), mP (maritime polar), cT (continental tropical), and mT (maritime tropical).

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

Front

What is a cold front?

Back

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

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

Front

What is a warm front?

Back

A warm front is the leading edge of a warmer mass of air that replaces a cooler mass of air. It typically brings gradual warming and light to moderate precipitation.

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

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. It can lead to prolonged periods of cloudy and wet weather.

Tags

NGSS.MS-ESS2-5

Front

What is an occluded front?

Back

An occluded front forms when a cold front overtakes a warm front, lifting the warm air off the ground. It can lead to complex weather patterns and precipitation.

Tags

NGSS.MS-ESS2-5

Front

What weather is associated with high pressure areas?

Back

High pressure areas are generally associated with cooler temperatures and clear skies, as they inhibit cloud formation.

Tags

NGSS.MS-ESS2-5

Front

What weather is associated with low pressure areas?

Back

Low pressure areas are typically associated with warmer temperatures and stormy weather, as they encourage cloud formation and precipitation.

Tags

NGSS.MS-ESS2-5

Front

What does 'cP' stand for in air masses?

Back

'cP' stands for continental polar, which refers to cold, dry air masses that form over land in polar regions.

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

Front

What does 'mT' stand for in air masses?

Back

'mT' stands for maritime tropical, which refers to warm, moist air masses that form over warm ocean waters.

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6