The United States contains ________ different types of air masses.

Which type of air mass is dry and warm?

Which type of air mass is warm and humid?

Which type of air mass is cold and dry?

Which type of air mass is over Southern California?

Hurricanes form in which type of air mass?

Blizzards form in which type of air mass?

Which type of air mass is pictured in letter "C" (northeastern U.S., around NYC)?

A(n) _____________ is the boundary where two air masses meet.

This is the symbol for a _____________ weather front.

This is the symbol for a _____________ weather front.

A _____________ weather front occurs when a cold air mass moves forward, pushing the warm air mass up.

A _____________ weather front occurs when a cold air mass and a warm air mass meet, but cannot move one another so they both stay still for several days.

A _____________ weather front occurs two cold air masses meet and push/force the warm air in the middle upwards.

Why does warm air rise above cold air?

Which type of weather front can produce foggy weather that can last for several days?

Which type of weather front can produce precipitation (rain or snow)?

What is the correct symbol for maritime polar?

Applying what you know about air masses, which air mass would you expect to find here in Chad, Africa? (circled on the picture **hint: find the equator line**)