ESS200A
Prof. Jin-Yi Yu
Five Types of Air Masses
q Theoretically, there should be 6 types of air masses (2 moisture types x 3 temperature types).
q But mA-type (maritime Arctic) does not exist.
qcA: continental Arctic
q    cP: continental Polar
q    cT: continental Tropical
q    mP: maritime Polar
q    mT: maritime Tropical