Correct Answer - Option 4 : All of the above
The correct answer is Option 4.i.e.All of the above.
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Large sea surface with a temperature higher than 27 degrees Celsius, Presence of Coriolis force, Pre-existing weak-low pressure area, Upper divergence above the sea level system, etc, are the favorable conditions for the formation & intensification of tropical storms/cyclones.
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Cyclones:
- A cyclone is an area of low pressure where masses of air meet and rise upwards.
- It typically indicates uncomfortable weather, like clouds, rains & thunderstorms.
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Cyclonic Winds blow especially counterclockwise in the Northern Hemisphere and anti-clockwise in the Southern part of Hemisphere.
- In a cyclone, air near to the ground is pushed onwards the low-pressure center of the cyclone and then rises upward, cooling and expanding.
- As the cyclones cool, the rising air which situated above, becomes more humid, leading to cloudiness and huge humidity within the cyclone.
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Tropical Cyclone:
- Tropical cyclones are recognized as one of the most dangerous natural calamities in the world.
- They generate and intensify especially in warm tropical oceans.
- These are violent storms that generate and develop over oceans in tropical areas and move towards the coastal areas causing ferocious winds.
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Heavy rainfall and storm outpourings another feature of tropical cyclones.
