The monsoon of the Indian subcontinent is the most anticipated weather pattern. Monsoon is basically shifting seasonal wind pattern that brings months of unending rain followed by months of dry weather. Monsoon winds blow across the Indian Ocean.
With the onset of summer, these winds blow in land. This is because, in summer land gets heated very much faster than the ocean. As heated air above the land expands and rises, a low pressure area forms. Warm, moist ocean air moves in to take its place. Rising over the highlands and plateaus, the ocean winds drop their moisture as torrential summer rains. This is called the south-west monsoon based on the direction of rain bearing winds.
In autumn, the situation changes. Now the land cools down more rapidly than the sea. Low pressure now develops over the sea. For months on, cool dry winds blow steadily from the land out to the sea. This is called the north-east monsoon.
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