• IASbaba
  • January 4, 2020
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Part of: GS Prelims and GS Mains I- Geography

In News

  • The northeast, or winter, monsoon has ended on a high, with an overall surplus rainfall being recorded for the season.
  • North-East monsoonpermanent a feature of the Indian subcontinent’s climate system – from October to December – rainfall is experienced over Tamil Nadu, Kerala, and Andhra Pradesh, along with some parts of Telangana and Karnataka
  • Winter monsoon season contributes only 11 per cent to India’s annual rainfall of 1,187 mm. South-west Summer monsoon season between June-September bring about 75 per cent of India’s annual rainfall (the remaining rain comes in other non-monsoon months).
  • Many other parts of the country, like the Gangetic plains and northern states, also receive some rain in November and December but this is not due to the northeast monsoon. It is caused mainly by the Western Disturbances.
  • Western Disturbance: It is an eastward-moving rain-bearing wind system that originates beyond Afghanistan and Iran, picking up moisture from as far as the Mediterranean Sea, even the Atlantic Ocean.

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