Wind and Storm: Cyclones


You may have seen a whirlwind in the open field sometimes on playing days. This whirlwind is a cyclone. The same kind of big whirlwinds are never going to be a natural disaster. Large cyclones occur frequently in North America, South Africa, Australia, New Zealand and countries in East Asia. When the air on a low surface on land or sea heats up due to heat, the air becomes thinner and moves upwards.

This air is accompanied by dust particles and debris which also travels in a circular motion towards the sky thus forming a column of air rising upwards at that place and moving forward. Cyclonic winds travel at speeds of over 150 kilometers per hour and cover an area of ​​about 30 meters.

There are many types of cyclones. When a cyclone forms on the surface of the ocean, the water also moves with it towards the rotating sky. Radar dialers can predict cyclones. There is a special scale for measuring cyclone intensity. Called the Fujira scale. F-3 type cyclones are more powerful. The Earth's Northern Hemisphere cyclone rotates counterclockwise. Rotates clockwise in the Southern Hemisphere. A previous cyclone in Bangladesh's Manekganj district killed at least 1,200 people. This was the most devastating cyclone in history.

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