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WHAT IS CYCLONE ?

HOW IT IS  FORMED ?

WHAT STEPS SHOULD BE TAKEN TO GET PROTECTION FROM A CYCLONE ?

As warm, moist air over the ocean rises up from the ocean surface, there is less air left near the surface, and this causes an area of lower air pressure below. The air around this region has higher air pressure, and so it rushes in to fill the low pressure area. This air also becomes warm and moist and so it rises, too. The cycle keeps going. Warm air rises, the surrounding air swirls in to take its place, and so on. When the warm moist air rises, it cools off, and the water in the air forms clouds. The whole system of clouds and wind spins and grows, because it is being constantly fed by the ocean's heat and water evaporating from the surface.

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 Steps to be taken before the commencement of cyclone season :

 

i) Check houses, secure loose tiles by cementing, wherever necessary, repair door and

 windows.

 

ii) Check the area around the house-remove dead or dying trees, anchor removal objects

 like lumber piles, loose bricks, garbage cans, sign-boards, loose zinc sheets etc.

 

iii) Keep some wooden boards ready so that glass windows can be boarded.

iv) Keep a hurricane lantern filled with kerosene, flash light and enough dry cells.

 

v) Promptly demolish condemned buildings.

 

vi) Those who have radio sets should ensure that the radio is fully serviceable. In case

 of transistors an extra set of batteries should be kept handy.

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