Millions of people in Southeast Asia continue to struggle with torrential rains, floods, and landslides triggered by Typhoon Yagi — the strongest tropical cyclone Asia has seen this year.
About Tropical Cyclone:
It is a rapidly rotating storm originating over warm tropical oceans from where it draws the energy to develop.
How it is formed?
A tropical cyclone is formed only over warm ocean waters near the equator.
Warm, moist air rises up and away from the ocean surface, creating an area of low pressure.
It causes the air from surrounding areas with higher pressure to move towards the low-pressure area.
This leads to the warming of air and causes it to rise above. As the air rises & cools, the water in the air forms clouds.
This complete system of clouds and wind spins & grows, along with the ocean’s heat.
As the wind rotation speed increases, an eye gets formed in the middle.
It has a low-pressure center and clouds spiraling towards the eyewall surrounding the "eye", the central part of the system where the weather is normally calm and free of clouds.
The winds blow counterclockwise in the Northern Hemisphere and clockwise in the Southern Hemisphere.
A tropical cyclone brings very violent winds, torrential rain, high waves, and, in some cases, very destructive storm surges and coastal flooding.
The category of a tropical cyclone is determined by its sustained wind speed, as measured by the Saffir-Simpson Hurricane Wind Scale.
It is classified into five categories — Category 1 to Category 5.
While Category 1 tropical cyclones bring winds of 119 to 153 kmph.
Category 5 tropical cyclones, which are the strongest, have winds of 252 kmph or higher. Storms that reach Category 3 and higher are considered major tropical cyclones due to their potential to inflict significant damage.
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