Air Masses Clues and Frontal Boundaries

Front

This air mass forms over the Gulf of Mexico. It is warm and humid.

Back

Maritime Tropical (mT).

Front

This air mass forms over Canada and moves south. It is cold and dry.

Back

Continental Polar – (cP)

Front

This air mass develops over the North Pacific Ocean. It is cold and moist.

Back

Maritime Polar – (mP)

Front

This air mass originates over the southwestern United States and northern Mexico. It is hot and dry.

Back

Continental Tropical – (cT)

Front

This air mass forms over the North Atlantic Ocean and moves toward the East Coast. It is cool and humid.

Back

Maritime Polar –(mP)

Front

This air mass moves down from the Arctic region. It brings extremely cold and dry air.

Back

Continental Arctic – (cA)

Front

This air mass forms over the warm Atlantic Ocean and moves toward the southeastern United States. It is warm and very humid.

Back

Maritime Tropical – (mT)

Front

This air mass often brings clear, cold weather to the central U.S. in the winter.

Back

(Continental Polar – cP)

Front

This air mass is responsible for hot, dry weather in the summer over the central and southwestern U.S.

Back

(Continental Tropical – cT)

Front

This air mass brings damp, chilly weather to the Pacific Northwest.

Back

(Maritime Polar – mP)