What are the two branches of the advancing monsoon ? Explain
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The four months, specifically June, July, August and September form the nucleus of the rainy season, virtually all over the country. The length of the rainy season, however, goes on lessening from south to north and from east to west. In the extreme north-west it scantily pours for two months. Between three-fourths and nine-tenths of the total rainfall is concentrated over this period. This might furnish an idea of how unequally it is circularised over the year.
The low-pressure conditions over the northwestern plains further gets more strengthened. By early June they are controlling enough to draw in the trade winds of Southern Hemisphere. These south-east trade winds basically originate in the oceans. Travelling from the Indian Ocean, they traverse the equator and enter the Bay of Bengal and Arabian Sea, only to be hit by the air circulation over India. Crossing over the equatorial warm currents, they transport with them abundant moisture. After voyaging over the equator, they adopt a south-westerly direction. This is why they are known as south-west monsoons. Therefore, the north-east trades of winter, initiating on the land, are swapped by absolutely opposite south-west monsoons, saturated with moisture. The monsoons, unlike the trades are not stable winds. They are fundamentally quivering in nature.
The low-pressure conditions over the northwestern plains further gets more strengthened. By early June they are controlling enough to draw in the trade winds of Southern Hemisphere. These south-east trade winds basically originate in the oceans. Travelling from the Indian Ocean, they traverse the equator and enter the Bay of Bengal and Arabian Sea, only to be hit by the air circulation over India. Crossing over the equatorial warm currents, they transport with them abundant moisture. After voyaging over the equator, they adopt a south-westerly direction. This is why they are known as south-west monsoons. Therefore, the north-east trades of winter, initiating on the land, are swapped by absolutely opposite south-west monsoons, saturated with moisture. The monsoons, unlike the trades are not stable winds. They are fundamentally quivering in nature.
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