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Give reasons as to why:
(i) Seasonal reversal of wind direction takes place over the Indian subcontinent.
(ii) The bulk of rainfall in India is concentrated over a few months.
(iii) The Tamil Nadu coast receives winter rainfall.
(iv) The delta region of the eastern coast is frequently struck by cyclones.
(v) Parts of Rajasthan, Gujarat and the leeward side of the Western Ghats are drought-prone.
(i) The seasonal reversal of wind direction takes place over the Indian subcontinent due to Coriolis force.
(ii) The rainfall that occurs in India is mainly due to the South-West monsoon winds. These winds are a seasonal reversal of winds. The average duration of a monsoon is 100 to 120 days. Therefore, the bulk of rainfall in India is concentrated over a few months.
(iii) During the winter season, the North-East trade winds blow from land to sea which results in a dry season for most parts of the country. Tamil Nadu coast receives winter rainfall due to these winds. In this region, these winds blow from sea to land carrying moisture along with them.
(iv) The delta region of the eastern coast is frequently struck by cyclones because the cyclonic depressions that start over the Andaman sea are carried in by the sub-tropical easterly jet streams. The depression moves along the East to West direction which hits the Eastern coast.
(v) The parts of Rajasthan, Gujarat and the leeward side of the Western Ghats are drought-prone because of the low rainfall received by these regions during the monsoon. The continuous reduction in the humidity of the winds of the Bay of Bengal branch causes less rainfall from east to west in Northern India.