During the transition to fall, precipitation is usually more frequent than in summer and, as air temperatures drop, rain changes to ice-pellet showers and blowing snow.
(precipitation; is; T:usually; more frequent than in summer and, as air temperatures drop, rain changes to ice-pellet showers and blowing snow; T:During the transition) (air temperatures; drop; )
precipitation air temperatures
is drop
T:usually more frequent than in summer and, as air temperatures drop, rain changes to ice-pellet showers and blowing snow T:During the transition