Q. Which of the following statements about tropical cyclone is/are correct?
1. The centre of the cyclone is mostly a cold and high-pressure, cloudless core.
2. Generally, the isobars are closely placed to each other showing high-pressure gradients.
Select the correct answer using the codes given below:
Answer: B
Notes:
Structure of Tropical Cyclone
Tropical cyclones are characterised by large pressure gradients. The centre of the cyclone is mostly a warm and low-pressure, cloudless core known as eye of the storm. Generally, the isobars are closely placed to each other showing high-pressure gradients. Normally, it varies between 14-17mb/100 km, but sometimes it can be as high as 60mb/100km. Expansion of the wind belt is about 10-150 km from the centre.
Source: NCERT
