q Air masses are classified according to the temperature and moisture characteristics of
their source
regions.
q Bases on moisture content: continental (dry)
and maritime
(moist)
q Based on temperature: tropical (warm), polar
(cold), arctic
(extremely cold).
q Naming convention for air masses: A small
letter (c, m) indicates the moist content followed by a capital letter (T, P, A) to represent temperature.