Write a short note on the Southwest Monsoon and the Northeast Monsoon

By K Balaji|Updated : September 7th, 2022

The southwest monsoon and the northeast monsoon are monsoons with different times of occurrence. The Southwest monsoon, also known as the rainy season, starts from June and continues till September, while the Northeast monsoon, known as the autumn season, is referred to as the season of retreating monsoon that occurs between October and November. The Southeast monsoon is noticeable from the Arabian sea to the Bay of Bengal. The southern part of India, particularly Andhra Pradesh and Tamil Nadu, experiences rainfall during the Northeast monsoon.

Short Note on the Southwest Monsoon and the Northeast Monsoon

Southwest Monsoon is caused because of intense heating during the summers. The intense heating causes the low-pressure formation over the Tibetan Plateau. The Southwest Monsoon winds are responsible for bringing out heavy rainfall to most parts of India. While the northeast monsoon winds result in rainfall on the southeast coast of India, particularly in Seemandhra’s south coast and Tamil Nadu coast.

Factors influencing the Southwest Monsoons

The factors that influence the Southwest Monsoons are as follows-

  • Intense low-pressure formation over the Tibetan Plateau.
  • Subtropical jet stream.
  • Inter-Tropical Convergence Zone.
  • Tropical easterly jet or African Easterly jet.
  • Permanent high-pressure cell in the South of the Indian Ocean.

Factors influencing the Northeast Monsoons

The factors that influence the Northeast Monsoons are as follows-

  • High-pressure cells in the southern parts of the Indian Ocean migrate to the west and gradually weaken.
  • Migration or shift of Inter-Tropical Convergence Zone to southern India.
  • Formation and strengthening of the high-pressure cells of Siberian and Tibetan Plateaus during winters.

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FAQs

  • The Southwest monsoon season, popularly known as the rainy season, starts in June and continues through September, while the Northeast monsoon is the autumn monsoon that occurs between October and November.

  • Inter-Tropical Convergence Zone, Subtropical jet stream, Intense low-pressure formation over the Tibetan Plateau, Tropical easterly jet or African Easterly jet, and permanent high-pressure cell in the South of the Indian Ocean influences the Southwest Monsoon.

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