Question

how is cyclone formed

Answer 1

Cyclones are formed due to high and low pressures.But in the middle of the sea There is always low pressure in air .So large amount of air comes from different directions and forms terrific cycloneressure in the middle of the sea atmosphere.

Answer 2

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A cyclone is formed in the atmosphere over warm sea - water near the equator during the hottest summer months. factors like temperature, humidity, wind speed, wind direction and rotation of earth, contribute to the development of a cyclone.

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The formation of a cyclone can be explained as follows:-

1) The sun heats the sea - water too much during summer. Warm and moist air rises up very rapidly from the hot sea surface. This creates area of very low pressure causing cool air to rush in to fill the vacant space.

2) As the warm and moist air ( containing a lot of water vapor) rises high up in the atmosphere, it gets cooled and the water vapor present in it condenses to form thick clouds ( called thunderclouds) releasing a lot of heat in the atmosphere.

3) The heat released by the condensation of water vapour in the atmosphere warms the air all around. this warm air rises higher into the atmosphere causing a low pressure. More air rushes upto take the place of warm , rising air. The process repeated again and again making more and more air to rise up higher and higher in the atmosphere and also forming more and more thick clouds (or thunderclouds) all around.

4) The constant rotation of earth on its axis exerts a force on the rapidly rising columns of air ( or winds). The force exerted by the rotation of earth makes the high speed winds revolve in the form of a spiral moving upwards with a great force and create a tunnel of very low pressure it (within the thunderclouds). The swirling winds move faster and faster forming huge circles.

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