make notes features of cyclon class 7
Answers
Answer:
The regions in the proximity to the equator receive the highest amount of heat from the sun, and the warm air rises up. The air from latitudes 0-300 moves in from north and south to take its place.
Similarly, the air at the poles is much cooler than the air around latitudes of 600 which is comparatively warmer. This warmer air rises up while the cool air from the poles races inside to occupy its place. Subsequently, wind currents move from poles to warmer latitudes due to uneven heating of the earth’s surface.
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Answer:
Cyclone
- A cyclone is a large mass of air that rotates violently about 1015 km high in the air.
- The centre of the cyclone is a calm area called as the eye of the storm.
Structure of a Cyclone
- The centre of a cyclone is a calm area called the eye. It has a diameter of about 10 – 30 km.
- Around the eye is a region of clouds of about 150 km. - - - This also has winds with speeds of up to 150-250 km/hr.
- The speed of the wind gradually decreases as it moves away from the eye.