IN NEWS: Southwest monsoon withdraws from India

  • The southwest monsoon has ended, and the northeast monsoon is likely to set in “in the next 72 hours”.
  • The onset of the northeast monsoon, also known as the ‘retreating monsoon’, would likely be “weak”.

About the Northeast monsoon

  • It is also called the winter monsoon.
  • It is a comparatively small-scale monsoon.
  • It is confined to the southern peninsula. The rainfall associated with the northeast monsoon is important for Tamil Nadu, Puducherry, Karaikal, Yanam, coastal Andhra Pradesh, Kerala, north interior Karnataka, Mahe, and Lakshadweep.
  • About 75 percent of the country’s annual rainfall is received from the Southwest monsoon between June and September.
  • It recorded rainfall from October to December in some South Asian countries, such as the Maldives, Sri Lanka, and Myanmar.
  • The wind pattern rapidly changes from a south-westerly to a north-easterly direction.
  • It is the peak time for cyclonic activity in the North Indian Ocean region, covering the Arabian Sea and the Bay of Bengal.
  • The winds associated with the formation of low-pressure systems, depressions, or cyclones influence this monsoon.

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