Which of the following wind systems is primarily responsible for the rainfall over the Coromandel coast during the winter season?
Northeast monsoon winds
During the retreating monsoon (October to December), the winds reverse and blow from the northeast as the Northeast (winter) monsoon.
These winds pick up moisture while travelling over the Bay of Bengal and then strike the Coromandel coast (the Tamil Nadu coast), giving it its main rainfall in the winter season, when most of the rest of India stays dry.
The Southwest monsoon brings the main summer rains to most of India but leaves this coast in a rain-shadow, while western disturbances and the westerlies affect north-western India, not the Coromandel coast.
Hence, the winter rainfall over the Coromandel coast is caused by the Northeast monsoon winds.
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