Saturday, November 9th, 2024

What is the eye of a storm like Helen in America? Waves rise up to 15 feet high and cause devastation up to 200 km.


New Delhi: More than 150 people have died in America due to Cyclonic Storm Helen. About 40 lakh people have become homeless. Meanwhile, Cyclone John has wreaked havoc in Mexico. Thousands of people have had to flee their homes in southwestern Mexico. In America, the speed of this storm even reached 225 kilometers per hour when it hit the coast of Florida. These days, natural disasters continue to wreak havoc in the world. Floods have occurred in some parts of India and cyclonic storms have caused huge damage in America and Mexico. Do you understand what cyclonic storms are? Why do they come and when do they become destructive?

How is Helen born and how fatal is it?

According to Colorado State University hurricane researcher Phil Klotzbach, Helene is formed from the Central American Gyre, a broad area of ​​low pressure over the western Caribbean Sea that spawns hurricanes around this time each year. This time, this storm has become the deadliest storm to affect America since Hurricane Maria in 2017. It was the deadliest hurricane to strike the US since Hurricane Katrina in 2005.
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Cyclone got its name from the snake’s coil

The word cyclone is derived from the Greek word ‘cyclos’ which means coils of snake. To Henry Paddington, a meteorologist, tropical storms in the Bay of Bengal and the Arabian Sea looked like coiled snakes in the sea. In such a situation, he/she named these storms Cyclones.

cyclone helen

What are cyclones and how powerful are they?

Cyclones are areas of intense low pressure, with pressure moving outward from the center. The amount of pressure drop at the center and the rate at which it moves outward determine the intensity of cyclones and the strength of the winds. Cyclones cover a distance of 300 to 500 kilometers in a day and hit the coast or pass through it. It brings with it storm waves 3 to 15 meters high, as if tossing a section of the ocean sometimes 30 kilometers inland, leaving death and destruction in its wake. It causes devastation up to a radius of 200 km.

This is the difference between storm and cyclone

According to NASA global precipitation measurement, hurricanes form in the North Atlantic and eastern North Pacific Ocean, while cyclones form in the South Pacific and Indian Ocean. At the same time, cyclones formed in the western Pacific Ocean are called typhoons. Storms are stronger than cyclones. The speed of a storm is generally 120-370 kilometers per hour, while the speed of a cyclone is generally 60-200 kilometers per hour.
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How are storms and cyclones named?

Storms are named based on the names of different areas or countries. At the same time, cyclones are named on the basis of their speed. Storms are usually larger than cyclones and have intense heat and turbulence at their centers. At the same time, cyclones are small and their central part is calm, which is called the eye of the storm. In Australia, cyclones are called willy-willies. In America it is called hurricane and in the South Pacific region it is called typhoon. Therefore, the actual difference between hurricane, cyclone and typhoon depends on where in the world the storm occurs.

Storms arise after turmoil within the sea

When water vapor (evaporation) from the warm ocean collects (condenses) and forms a cloud, it releases its heat into the air. The warm air rises and joins the clouds. Due to the simultaneous occurrence of both evaporation and condensation processes, clouds are piled up one after the other. A pattern develops, in which the air rotates around a center. As this air collides with this pattern of clouds, it starts raining with thunder. This is called tropical disturbance. Many cities of America and China come under the influence of such cyclonic storms.

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The higher the wind speed, the more powerful the storm will be.

A tropical storm is formed when wind speeds reach 39 mph. This is also when the storm gets a name. The winds accelerate and begin to twist and rotate around the eye of the storm or the calm center. The wind direction in the Northern Hemisphere is from west to east and in the Southern Hemisphere from east to west. This phenomenon is known as the Coriolis effect. When wind speeds reach 74 mph, a storm officially becomes a hurricane.

How big is a storm and what is its scope?

The eye of a hurricane is about 5 to 30 miles wide. They cause destruction up to 200 km. The trade winds push the storm westward. These winds start blowing towards the Caribbean, Gulf of Mexico or the south-eastern coast of America. Low air pressure also causes large pools of sea water to accumulate near the eye of the storm. Hurricanes usually weaken when they hit land because they are no longer powered by warm ocean water.

Why do heavy rains accompany hurricanes?

When a storm hits the ground with very high speed, the clouds are unable to control themselves. In such a situation, it starts raining with heavy amounts of water. The speed of this rain is also very fast. For this reason, storms are usually accompanied by torrential rains. Cyclones cause strong winds, abnormally high sea levels near the coast, submergence of low-lying areas and destruction of trees and houses along with strong winds and water. They uproot anything that comes in front of them, causing serious damage to life and property.

Will cyclones and storms become more dangerous?

According to many studies, the intensity of rain in storms will increase twice as fast as expected due to increased moisture from rising sea surface temperatures. Tropical storm winds will strengthen as temperatures rise. The rate of rainfall also increases due to storms with strong winds. This will prove to be more destructive in the times to come. The reason is that due to global warming the sea water is continuously getting warmer. Only the water of the Arabian Sea has become warmer by 1.2 centigrade so far.

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