Winter rains are characterized by heavy cloud cover and precipitation that persists for many hours or even several days and covers most of the area.
(Winter rains; are characterized; by heavy cloud cover and precipitation) (heavy cloud cover and precipitation; persists; T:for many hours or even several days) (heavy cloud cover and precipitation; covers; most of the area)
Winter rains heavy cloud cover and precipitation heavy cloud cover and precipitation
are characterized persists covers
by heavy cloud cover and precipitation
T:for many hours or even several days
most of the area