Answers

2015-12-30T20:03:56+05:30
A cyclone is an area of closed, circular fluid motion rotating in the same direction as the Earth.
   
The main effects of tropical cyclones include heavy rain, strong wind, large storm surges at landfall, and tornadoes. The destruction from tropical cyclone depends mainly on its intensity, its size, and its location.
Precautions:
Stay inside. Seek shelter in the safest part of the house.
Disconnect all electrical appliances.
Listen attentively to cyclone bulletins and advice on the Radio / TV.
If the house starts to suffer important damages, protect yourself with mattress, rugs or blankets.
Do not leave your shelter until the all-clear signals have been given by relevant Authorities.
Beware of fallen power lines, damaged buildings and trees and flooded water courses.
Do not consume fallen fruits.
Boil water for drinking purposes. 
Clean yard and drain out stagnant water to prevent proliferation of mosquitoes/diseases.
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2015-12-30T20:15:46+05:30
a system of winds rotating inwards to an area of low barometric pressure is called cyclone
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it is a rotation of winds along a low pressure area