Weather List #4 (Air Masses and Fronts) Vocabulary Quiz

a huge body of air that has similar temperature, humidity, and air pressure at any given height

• air mass
• Africa (continental tropical air mass)
• Canada (continental polar air mass)
• Pacific Ocean (maritime tropical air mass)
• Arctic Ocean (maritime polar air mass)

air mass that forms over this hot land will be dry/warm

• Africa (continental tropical air mass)
• air mass
• Canada (continental polar air mass)
• Pacific Ocean (maritime tropical air mass)
• Arctic Ocean (maritime polar air mass)

air mass that forms over this cold land will be dry/cold

• Canada (continental polar air mass)
• air mass
• Africa (continental tropical air mass)
• Pacific Ocean (maritime tropical air mass)
• Arctic Ocean (maritime polar air mass)

air mass that forms over this warm body of water will be warm/moist

• Pacific Ocean (maritime tropical air mass)
• air mass
• Africa (continental tropical air mass)
• Canada (continental polar air mass)
• Arctic Ocean (maritime polar air mass)

air mass that forms over this cold body of water will be cold/moist

• Arctic Ocean (maritime polar air mass)
• air mass
• Africa (continental tropical air mass)
• Canada (continental polar air mass)
• Pacific Ocean (maritime tropical air mass)

the area where two air masses meet and bump into each other always causing some type of precipitation

• front
• air mass
• Africa (continental tropical air mass)
• Canada (continental polar air mass)
• Pacific Ocean (maritime tropical air mass)

blue triangle that points toward the area it is headed; cumulonimbus clouds usually are in front of the air mass and cold, dry air comes at the end of the front

• cold front
• air mass
• Africa (continental tropical air mass)
• Canada (continental polar air mass)
• Pacific Ocean (maritime tropical air mass)

red half circles that points toward the area it is headed; stratus clouds usually are ahead of the air mass and warm, humid air is left behind

• warm front
• air mass
• Africa (continental tropical air mass)
• Canada (continental polar air mass)
• Pacific Ocean (maritime tropical air mass)

a front where a warm air mass is caught between two colder air masses and brings cool temperatures and large amounts of rain and snow

• occluded front
• air mass
• Africa (continental tropical air mass)
• Canada (continental polar air mass)
• Pacific Ocean (maritime tropical air mass)

a boundary between air masses that don't move possibly causing rain for several days

• stationary front
• air mass
• Africa (continental tropical air mass)
• Canada (continental polar air mass)
• Pacific Ocean (maritime tropical air mass)