Complex sentence: Storms and depressions, originating in the Bay of Bengal, cross the district from the east causing very heavy rains and strong winds that are widespread mainly during the seasons of the South-West monsoon and the retreating monsoon.
Split into simpler sentences: Storms and depressions, originating in the Bay of Bengal, cross the east coast of the district causing widespread and very heavy rains and strong winds. The rains are experienced mostly by both the South-West monsoon and the retreating monsoon.