Retreating Monsoon


 
 
Concept Explanation
 

Retreating Monsoon

Retreating/Post Monsoon Season (The Transition Season): The sun starts shifting towards the South during October-November. During this time, the low pressure trough over the Northern plains weakens and is replaced gradually by a high pressure system. This is followed by the South-West monsoon winds. By the beginning of October, the monsoon withdraws from the Northern plains. The months of October-November form a transition period from hot rainy to dry winter conditions.Features of Retreating Monsoon: The characteristic features of retreating monsoon are•    The period is marked by clear skies and rise in temperature.•    The day temperatures are high but nights are cool and pleasant.•    Due to the temperature still remaining high and humidity not reducing the heat is oppressive. This phenomenon is also called October heat.Cyclonic Depression and Tropical Cyclone: By early November, cyclonic depressions originate over the Andaman Sea. It causes tropical cyclones on the coastline from Bangladesh to Tamil Nadu as low pressure conditions get transferred to the Bay of Bengal. These cyclones generally cross the Eastern coast of India causing heavy and widespread rain. Often they cause a lot of destruction. Sometimes, these cyclones arrive at the coasts of Odisha, West Bengal and Bangladesh. These cyclones frequently strike the populated deltas of Godavari Krishna and Kaveri. The Coromandel Coast gets its monsoon rainfall mostly during October and November from the cyclones and due to the retreating monsoon picking up moisture over the Bay of Bengal.

 

Sample Questions
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Question : 1

The states of Andhra Pradesh and Tamil Nadu receive a great amount of rainfall during the season of _____________

Right Option : B
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Question : 2

Retreating monsson causes rainfall during the month of _______________

Right Option : C
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Question : 3

The cold and dry offshore winds that bring the NE monsoons bring rain to ___________________

Right Option : A
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