Which of the following is are responsible to cause winter rainfall in South Eastern coast of India 1...........

Geography Monsoons and Climate in India

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Which of the following is/ are responsible to cause winter rainfall in South Eastern coast of India?

1. Westerlies

2. Retreating monsoon

3. South west Monsoon

4. Tropical Cyclone

Select the code from following:

1&2 only

2 only

1 only

2,3&4 only

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Explanation:

Note: The question is specifically asking about Tamil Nadu coast.
There are two phenomenon responsible for winter rainfall in India – Western Disturbances and Retreating monsoon.
Westerlies – these are a branch of Temperate cyclone forming over East Atlatic during winter. These winds capture moisture from Mediterranean sea and cause rainfall in Punjab, Haryana and western UP.
Retreating Monson – As ITCZ shifts towards south in the winter season, the monsoon starts retreating. Retreating monsoon winds capture some moisture from Bay of Bengal and cause rainfall on Tamil Nadu coast.