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With reference to the Cyclones, consider the following statements:
- Cyclones are centres of low pressure surrounded by closed isobars and having increasing pressure outwards.
- A Cyclone is a system of low level convergence and high level divergence with a rising column of air in the centre of the rotating air mass.
Which of the statements given above is/are correct?
- a)1 only
- b)2 only
- c)Both 1 and 2
- d)Neither 1 nor 2
Correct answer is option 'C'. Can you explain this answer?
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With reference to the Cyclones, consider the following statements: Cyc...
The Indian Meteorological Department, IMD has issued a warning that a cyclonic circulation is likely to develop over the Southeast Bay of Bengal by May 7, 2023
- Cyclones are centres of low pressure surrounded by closed isobars and having increasing pressure outwards.
- As air enters an area of low pressure from all directions, the Coriolis Effect bends the direction of the wind to the right of its path.
- This creates a counter clockwise rotation around the low and convergence near the centre of the system. As the air collides near the centre it is forced aloft where divergence takes air away from the centre of the system.
- A Cyclone is a system of low level convergence and high level divergence with a rising column of air in the centre of the rotating air mass. If the upper air is not diverging then there cannot be a cyclone present.
Cyclones are broadly of two types:
- Temperate cyclones (caused in middle and high latitudes, thus does not occur in India)
- Tropical cyclones
Tropical Cyclones
- Cyclones developed in the regions between the Tropic of Cancer and Tropic of Capricorn, are called tropical cyclones.
- The weather conditions of low latitudes, mainly rainfall regimes are largely controlled by tropical cyclones.
- Tropical cyclones usually develop in summer season in the vicinity of Inter-Tropical Convergence Zone (ITCZ) over warm ocean surface.
- Tropical cyclones are one of the mechanisms by which surface heat energy is redistributed from the equator to the poles.
- Tropical cyclones are known by various names in different parts of the world.
- In the North Atlantic Ocean and the eastern North Pacific they are called hurricanes, and in the western North Pacific around the Philippines, Japan, and China the storms are referred to as typhoons.
- In the western South Pacific and Indian Ocean they are variously referred to as severe tropical cyclones, tropical cyclones, or simply cyclones.
- All these different names refer to the same type of storm.
Conditions necessary for development:
- Tropical cyclone is like a heat engine which is energized by latent heat of condensation. Generally, tropical cyclones are formed due to low pressure of thermal origin.
- The conditions favourable for the formation and intensification of tropical cyclone storms are:
- Large sea surface with temperature higher than 27° C
- Presence of the Coriolis force
- Small differences in the vertical wind speed
- A pre-existing weak- low-pressure area or low-level-cyclonic circulation
- Upper divergence above the sea level system.
- Having these conditions met is necessary, but not sufficient as many disturbances that appear to have favorable conditions do not develop.
Hence both statements are correct.
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With reference to the Cyclones, consider the following statements: Cyclones are centres of low pressure surrounded by closed isobars and having increasing pressure outwards. A Cyclone is a system of low level convergence and high level divergence with a rising column of air in the centre of the rotating air mass.Which of the statements given above is/are correct?a)1 onlyb)2 onlyc)Both 1 and 2d)Neither 1 nor 2Correct answer is option 'C'. Can you explain this answer?
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With reference to the Cyclones, consider the following statements: Cyclones are centres of low pressure surrounded by closed isobars and having increasing pressure outwards. A Cyclone is a system of low level convergence and high level divergence with a rising column of air in the centre of the rotating air mass.Which of the statements given above is/are correct?a)1 onlyb)2 onlyc)Both 1 and 2d)Neither 1 nor 2Correct answer is option 'C'. Can you explain this answer? for UPSC 2024 is part of UPSC preparation. The Question and answers have been prepared according to the UPSC exam syllabus. Information about With reference to the Cyclones, consider the following statements: Cyclones are centres of low pressure surrounded by closed isobars and having increasing pressure outwards. A Cyclone is a system of low level convergence and high level divergence with a rising column of air in the centre of the rotating air mass.Which of the statements given above is/are correct?a)1 onlyb)2 onlyc)Both 1 and 2d)Neither 1 nor 2Correct answer is option 'C'. Can you explain this answer? covers all topics & solutions for UPSC 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for With reference to the Cyclones, consider the following statements: Cyclones are centres of low pressure surrounded by closed isobars and having increasing pressure outwards. A Cyclone is a system of low level convergence and high level divergence with a rising column of air in the centre of the rotating air mass.Which of the statements given above is/are correct?a)1 onlyb)2 onlyc)Both 1 and 2d)Neither 1 nor 2Correct answer is option 'C'. Can you explain this answer?.
With reference to the Cyclones, consider the following statements: Cyclones are centres of low pressure surrounded by closed isobars and having increasing pressure outwards. A Cyclone is a system of low level convergence and high level divergence with a rising column of air in the centre of the rotating air mass.Which of the statements given above is/are correct?a)1 onlyb)2 onlyc)Both 1 and 2d)Neither 1 nor 2Correct answer is option 'C'. Can you explain this answer? for UPSC 2024 is part of UPSC preparation. The Question and answers have been prepared according to the UPSC exam syllabus. Information about With reference to the Cyclones, consider the following statements: Cyclones are centres of low pressure surrounded by closed isobars and having increasing pressure outwards. A Cyclone is a system of low level convergence and high level divergence with a rising column of air in the centre of the rotating air mass.Which of the statements given above is/are correct?a)1 onlyb)2 onlyc)Both 1 and 2d)Neither 1 nor 2Correct answer is option 'C'. Can you explain this answer? covers all topics & solutions for UPSC 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for With reference to the Cyclones, consider the following statements: Cyclones are centres of low pressure surrounded by closed isobars and having increasing pressure outwards. A Cyclone is a system of low level convergence and high level divergence with a rising column of air in the centre of the rotating air mass.Which of the statements given above is/are correct?a)1 onlyb)2 onlyc)Both 1 and 2d)Neither 1 nor 2Correct answer is option 'C'. Can you explain this answer?.
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