THE INDIAN MONSOON

Following facts are important in formation of monsoon:



El Nino

This is a feature which is connected with the SO. El Nino is a warm ocean current that flows past the Peruvian coast; in place of the cold Peruvian current, every 2 to 5 years. El Nino significantly affects the changes in pressure conditions. Hence, the phenomenon is called ENSO (El Nino Southern Oscillations).

THE ONSET OF MONSOON

Generally, the monsoon arrives at the southern tip of the Indian peninsular by the first week of June. Subsequently, it divides into two branches, viz. the Arabian Sea branch and the Bay of Bengal branch.

9 Geography - Monsoon - India

Ref: (http://upload.wikimedia.org/wikipedia/commons/thumb/5/59/India_southwest_summer_monsoon_onset_map_en.svg/795px-India_southwest_summer_monsoon_onset_map_en.svg.png">)


Withdrawal of Monsoon

Withdrawal or the retreat of the monsoon is a more gradual process.



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