Question

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EXPLAIN -----
WHY DOES TAMIL NADU RECEIVE WINTER RAINFALL

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Answer 1

$<b>Heya mate. (^_-). Answer below.$
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• As the winter approaches, the sun's vertical rays goes on moving south (due to earth's revolution).

• This creates a region of fairly high temperature in the lower latitudes (equatorial region), and a region of very low temperature in the upper latitudes (tropical region).

• Now, from North to South in the Northern Hemisphere, as the temperature increases, the pressure obviously decreases.

• So, this creates a region of low pressure in the south India and the region covering the seas, and higher pressure in the north India.

• Due to this, the monsoon winds which were flowing from southwest to northeast, change their direction from Northeast towards southwest (as winds move from high pressure to low pressure).

• Now, if the change their direction, why doesn't the whole south India gets rainfall ?

• Actually, after giving rain for a period of over 3-4 months, these winds have dried and no longer hold moisture.

• However, when they move towards the south India, they pick up some moisture from the Bay of Bengal around the coast of Andhra. These winds then become moisture-laden, and give rainfall not only to Tamil Nadu, but also Sri Lanka and Maldives.

• After picking up the moisture, these winds give enormous rainfall over Tamil Nadu and these winds are the source of around half of the state's rainfall.

• The season over which the Southwest monsoon winds change their direction is called as the the Transition season or Retreating monsoon.
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# Hope the answer helped.

# Thank you... ;-)

Answer 2

The dry season is from February to early June. Tamil Nadu has rain during the monsoon season due to the southwest trade winds which blow towards the northern hemisphere.Tamil Nadu receives rainfall in thewinter season due to northeast trade winds...
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