ESS124
Prof. Jin-Yi Yu
Five Types of Air Masses
• Theoretically, there should be 6 types of air masses (2 moisture types x 3 temperature types).
• But mA-type (maritime Arctic) does not exist.
•cA: continental Arctic
•    cP: continental Polar
•    cT: continental Tropical
•    mP: maritime Polar
•    mT: maritime Tropical
C:\My Documents\MyFiles\wpd\prenhall\PPT-3e\FG09_01.JPG