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Q90 (CDS-I/2019) Geography › World Physical Geography › Atmospheric pressure winds Answer Verified

Which one of the following may be the true characteristic of cyclones?

Result
Your answer: —  Â·  Correct: A
Explanation

The movement of cyclones is primarily governed by the prevailing wind systems of their respective latitudes. Temperate cyclones, which develop in the mid-latitudes (35° to 65°), move from west to east under the influence of the prevailing westerlies [5]. In contrast, tropical cyclones generally follow the trade winds, often moving from east to west before potentially recurving [5]. Option 2 is incorrect because the 'eye' is the calm, central region of a tropical cyclone, not its front side [4]. Option 3 is incorrect because all cyclones are characterized by a low-pressure center surrounded by closed isobars, not high pressure [1]. Option 4 is incorrect because hurricanes are tropical cyclones that originate over tropical oceans, whereas mid-latitude systems are classified as temperate or extratropical cyclones [4].

Sources

  1. [2] Physical Geography by PMF IAS, Manjunath Thamminidi, PMF IAS (1st ed.) > Chapter 28: Temperate Cyclones > 28. Temperate Cyclones > p. 395
  2. [5] https://dspmuranchi.ac.in/pdf/Blog/satyapriya52dspmucomT1.pdf
  3. [3] Physical Geography by PMF IAS, Manjunath Thamminidi, PMF IAS (1st ed.) > Chapter 28: Temperate Cyclones > 28.5. Tropical Cyclones vs. Temperate Cyclones > p. 410
  4. [4] Physical Geography by PMF IAS, Manjunath Thamminidi, PMF IAS (1st ed.) > Chapter 26: Tropical Cyclones > 26.4. Path of Tropical Cyclones > p. 370
  5. [1] Physical Geography by PMF IAS, Manjunath Thamminidi, PMF IAS (1st ed.) > Chapter 26: Tropical Cyclones > 26. Tropical Cyclones > p. 354
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