Air Masses and Fronts

A front where cold air moves in under a warm air mass.

• Occluded front

• Warm front

• Cold front

• Stationary front

Tags

NGSS.MS-ESS2-5

The boundary between two air masses.

• Air mass border

• Front

• Separation

• Front border

Tags

NGSS.MS-ESS2-5

A cold air mass that forms north of 50° north latitude and south of 50° south latitude and has high air pressure.

• Tropical air mass

• Saffir-Simpson scale

• Tropical front

• Polar air mass

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

A boundary between two different air masses, neither of which is strong enough to replace the other.

• Warm front

• Occluded front

• Stationary front

• Cold front

Tags

NGSS.MS-ESS2-5

Body of air that is moist because it formed over a ocean.

• Polar air mass

• Continental air mass

• Maritime air mass

• Tropical air mass

Tags

NGSS.MS-ESS2-5

The boundary between two air masses is called a/an - 

• flood

• front

• climate

• storm

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

When a cold air mass moves into a warm air mass, it will get colder and we will have severe weather. What type of front is this?

• warm front

• cold front

• occluded front

• stationary front

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

How does the air in this type of front move?

• Warm air slowly pushes out cold air

• Warm air rapidly moves up as cold air overtakes it.

• Warm air is trapped between two colder air masses

• Warm air meets cold air and cannot move

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

What type of weather does this warm front bring?

• Cloudiness and light precipitation; warm and mild weather follows

• Thunderstorms can occur; cool, fair weather follows

• Many days of clouds and precipitation

• Temperature drops; strong winds and heavy precipitation

Tags

NGSS.MS-ESS2-5

What type of front may be rainy or foggy for several days?

• Cold

• Stationary

• Occluded

• Warm

Tags

NGSS.MS-ESS2-5