Presence of which phenomenon leads to weakening of trade winds in a region?

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SSC MTS (2022) Official Paper (Held On: 11 May, 2023 Shift 3)
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  1. Coriolis force
  2. Mango Shower
  3. El Nino
  4. La Nina

Answer (Detailed Solution Below)

Option 3 : El Nino
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SSC MTS 2024 Official Paper (Held On: 01 Oct, 2024 Shift 1)
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Detailed Solution

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The correct answer is El Nino.Key Points

  • El Nino is a phenomenon that leads to weakening of trade winds in a region.
  • During El Nino, the sea surface temperatures in the Pacific Ocean near the Equator become warmer than usual, which affects the atmospheric circulation and leads to weakening of trade winds.
  • Trade winds are the prevailing easterly winds that blow towards the Equator in the tropics, and they are important for navigation and weather patterns.

Additional Information

  • Coriolis force is a phenomenon that influences the direction of winds and ocean currents, but it does not directly lead to weakening of trade winds.
  • Mango Shower is a meteorological phenomenon that occurs in some parts of India during the pre-monsoon season, and it is not related to trade winds. 
  • La Nina is a phenomenon that is opposite to El Nino, and it leads to strengthening of trade winds in a region.
  • Hence, the statement "Presence of which phenomenon leads to weakening of trade winds in a region?" is correctly answered by option 3, El Nino.
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