Hurricane the ultimate guide

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All you have to know about the hurricane


The hurricane is a high wind of more than 100 miles and 19 kilometers per hour. It moves in a circular way and resembles a snail. It is produced from a series of thunderstorms in a low atmospheric pressure zone in the tropical and tropical regions, which are confined between two five- Twenty degrees, on the waters of both the Atlantic, the Indian and the warm in both summer and winter.


How to be a hurricane

As ocean temperatures rise, reaching a value between twenty-seven and thirty degrees Celsius, they begin to heat the air that touches them, causing it to expand and thus rise to the top, thereby reducing the atmospheric pressure in that area. To restore this balance of pressure, Winds move from high-pressure places to this area, causing a large amount of water to evaporate in a short time. The steam rises to the top breaking the cold wind.


This amount continues to multiply over time, thus increasing its density, condensation, and rain, or cold, accompanied by strong thunderstorms, which supports lower pressure in the region, while the pressure around it is high, and therefore these winds and thunderstorms start moving, And increases with time, and in a large swab, and there is another type formed under cloud clouds dark in the atmosphere, it hits the land, and occurs in the same mechanism, but in the upper atmosphere, and may affect the surface of the earth, or higher.


Hurricane parts

The cyclone is divided into two parts: the center of the cyclone: the quiet center of the cyclone, the least pressure point, extending from 10 kilometers to 50 kilometers depending on the size of the hurricane, also called the eye of the hurricane. Cyclone wall: The hurricane part of the hurricane, moving very violent and destructive, and extends from ten kilometers to a hundred kilometers depending on the size of the hurricane.


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Types of hurricanes

Hurricane divided into two main types:

Tropical or tropical hurricane:

Cyclones consisting of tropical and tropical seas, huge hurricanes, with a diameter of 300 kilometers to 500 kilometers, and sometimes up to 1,000 kilometers. These hurricanes begin to fade when they land and disappear completely if Which has reached cold water and may last for several weeks in other cases.

Hurricane tornado:

It is the most severe hurricane, the most destructive, destructive, and occurring in the atmosphere. The places where it is formed are located between the widths of fifteen and forty-five north of the globe, causing large losses annually in crops, lives, and buildings. , And many other things. If this cyclone moves into water, it causes huge water-like gulls to resemble water fountains, posing a high risk to ships, and if one encounters them, they cause flood These are violent storms with swirling winds, in which the high-pressure cold winds sway around the low-pressure static wind, and then the storm emerges from the water to the ground, losing its speed to contact the land after destroying everything that passes through land on great destruction, The cyclone moves in curved lines or straight lines, and cyclone rotation varies in each of the northern hemispheres of the cyclone in a counterclockwise direction. In the southern hemisphere the cyclone rotates clockwise, called cyclones, tropical or tropical; they originate above the seas and tropical oceans in the summer and autumn.

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The hurricane consists of parts:

the center area, which is the eye of the hurricane and is characterized by calmness. The cyclone wall, dense clouds, thunderstorms, lightning, and heavy rain, is characterized by the cyclone’s eye and violent vertical movements.


The types of hurricanes are classified according to the Fujita ladder and are classified according to their speed, destruction and the losses that they leave. They are Light Cyclone: It is a hurricane of the first degree. The wind speed is 133-118 km per hour, and its damage is limited to some destruction in plantations, moving mobile homes, and vandalizing equipment on rooftops. The cyclone is a second-class hurricane with a wind speed of 118-180 km per hour. Its damage is moderate. It uproots light trees, cracks large trees, overturns cars, uproots tents and breaks windows. Strong hurricane: It is a third-class hurricane, with a wind speed of 181-210 km per hour. Large trees break down and break down, break the roofs of houses and uproot their roofs. Cars overturn. A very strong typhoon: a typhoon with a wind speed of 210-250 kilometers per hour, destroying houses, especially roofs, uprooting trees, cutting off power lines, and closing roads. Heavy Hurricane: Hurricane 5, with winds of 251-350 km / h, destroys houses and land, carrying large pieces over long distances. A powerful hurricane: a typhoon of magnitude 6, with a wind speed of more than 420 kilometers per hour, has not yet come on the ground, but it has assumed a presumption of computers


The most famous hurricanes have occurred

*Hurricane Nancy signed in 1961, in the Western Pacific.

*The Bangladesh cyclone occurred in 1970 in the Bangladesh region of India, killing 300,000 people.

*Hurricane Tracy signed in 1974, in the Australian coast area. Typhoon Forrest, signed in 1983, in the Pacific Northwest, was the most hurricane speed.

*Hurricane Gilbert, signed in 1988, in the Mexican region, and continued the hurricane for a long time. Hurricane Andrew, signed in 1992, in the United States, estimated at $ 25 billion. Hurricane John took place in 1994 in Australia, killing more than 8,000 people.

*Hurricane Mitch, signed in 1998, in the Central American region and some parts of North America, was more devastating.

*Hurricane Katrina, Sandy, and Irene, signed in 2011, and their losses were very large.



How the hurricane is formed

The term cyclone refers to strong storms that form over the Atlantic Ocean or the Eastern Pacific Ocean, and we can find other names depending on the area they produce, such as the Typhoon, which is usually formed at the equator over warm ocean waters, But in general, wherever they are they are tropical cyclones, all of which share the same force and have devastating effects on populated areas. In the case of hurricanes, like the engine of a car that needs fuel, it needs warm water (27 degrees Celsius) the wind is the second operator of the hurricane. When the wind passes over the surface of the ocean, the water is converted to high vapor from the surface of the water until it cools and condenses and returns to its first state as a liquid in the form of droplets and in huge amounts to form Large cloud clouds are the starting point of the hurricane

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Definition of the concept of a hurricane

The hurricane is interpreted as strong winds moving in a circular motion at speeds of up to 118 kilometers per hour, especially in the Western Atlantic


General Hurricane Facts

The following are the most prominent facts about hurricanes:

Hurricanes are tropical storms that produce heavy rains and strong winds. The hurricanes rotate around a center called the eye circularly. Most hurricanes are formed within the seas and oceans and then land on land, causing severe damage. Hurricane winds hit a speed of 320 kilometers per hour. The North Hemisphere revolves with the clock while the Southern Hemisphere revolts clockwise. Typhoon Typo is the strongest hurricane recorded in 1979, with a diameter of 2,220 kilometers, or about half the size of the United States. Cyclones are designated by the World Meteorological Organization to be distinguished from each other.



Wind refers to the movement of the air masses or moves them in the horizontal direction. The wind moves from the high-pressure places to the low-pressure places due to atmospheric pressure differences, as a result of the rotation of the earth. The relationship between atmospheric pressure and wind is called the Coriolis Effect; The Equator defines this relationship as the geotropic equation.


Wind types:

Reverse Winds

Reverse Winds the reverse wind is also known as the West Wind. In English, it is known as Westerly’s, and it blows over the southern and northern hemispheres, specifically from the ultraviolet high-pressure range to the Antarctic and Northern Circuits. The velocity is between 17-27 knots, the wind is reversed, and it becomes as follows: Northwesterly to Westerly in the southern hemisphere. Southwesterly to Westerly in the northern hemisphere.



The commercial wind is known in English as Trade Winds. Commercial winds are one of the most persistent and steady winds of the wind. They are driven from high-orbital pressure centers to the range of tropical rouge. Their speed is between 10-15 knots or 1850 m, In the summer over the ocean waters, because the high pressure above the orbital becomes more pronounced, and these winds are slightly affected by the force of the deviation; they move above the lower displays and become as follows: Southeasterly in the southern hemisphere.

Northeast in the northern hemisphere. Polar wind Polar wind is known in English as polar, and it travels from the polar high-pressure zones to the light pressure zones near the southern and northern polar circles, and it deviates and becomes as follows: northeast to east in the northern hemisphere.

South-east to east in the southern hemisphere. Monsoons are known in English as monsoons, are widely distributed, tend to fly in opposition to prevailing winds, and also blow in opposite directions from one season to another. These winds are clearly defined in the Arabian Sea region, Six months from the north-east and six from the south-west; the wind coming from the first direction is dry, and the wind coming from the second direction is damp.


Other types of wind

Seasonal winds: They blow in specific areas of the Earth’s surface on a regular basis, and these winds appear very much in the Asian continent and have two types: winter winds, and summer winds. Daily winds: They are the breeze of the breeze and the sea breeze. They help fishermen in their movement to and from the sea. Local winds: Precipitation for specific periods in specific areas of the Earth’s surface. The most prominent types are Extremely cold winds blowing in the winter on some areas on the western side of the European continent.

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The winds of the Khamsin dry and hot blowing on Egypt, and the south side of Palestine. Winds of toxins that blow in the summer from the southern side of the Arabian Peninsula to the south.


Wind refers to the flow of air above the surface of the Earth almost horizontally, and the main cause of wind is the uneven heating of the surface of the earth, which causes a difference in atmospheric pressure levels between different regions, thus causing wind movement.


Wind speed measurement

Prepared by Commander Francis Beaufort of the British Navy in the year 1805, a device to measure the wind speed in the sea known as the Beaufort, was then modified the device to monitor the different sea situations, as well as observation of natural phenomena on the surface of the earth, and in 1874 the International Committee of the meteorological device adopted in the field of meteorology air, and the device was calibrated to measure the 0-17 state of wind speeds, and has recently become a rare use of this device where replaced by more accurate measuring methods such as Doppler radar used to track wind frequency, scale Alonimomitr, control deviation weather balloons high.


The tsunami in Sumatra, Indonesia, occurred on December 26, 2004, due to an earthquake measuring 9.1 at a depth of 30 km. This tsunami reached 50 km, reaching 5 km inside the coast of Sumatra, resulting in the deaths of 230,000 people and massive destruction.


Tsunami Pacific Coast Northern tsunami wave that occurred on the northern Pacific coast were quickly 800 kilometers per hour, ten kilometers up, and resulted in the death of 180,000 people, was caused by an earthquake measuring 9.0 deeply 24.4, the largest quotient earthquake around the world’s fourth, and resulted in the transfer of 45,000 people were taken to shelters because of the destruction of their homes. The tsunami in Lisbon Portugal was caused by an earthquake of 8.5, which resulted in three massive waves that destroyed many western coastal cities as well as Spanish cities on the southern coast. These waves were 30 meters high in some areas, 60,000 people in Portugal, Morocco, and Spain.

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The Litoya Bay tsunami

The Litoya Bay tsunami in 1958 was caused by a landslide caused by an 8.3 magnitude earthquake, with waves reaching 576 meters in the Gulf, but because the area was slightly isolated and caused little damage, causing only two deaths.

Elsewhere in the tsunami, each coastal area is a tsunami-prone area. Other places where the tsunami occurred are:

The tsunami that took place on the shores of the Mediterranean 8000 years ago. In 1883, the tsunami hit Indonesia’s Kararkota region. In 1896, the tsunami hit Japan. In 1946 the tsunami occurred in Alaska.

In 1960, the tsunami occurred in Chile. In 1964, a tsunami occurred on the coast of California. In 1976 the tsunami occurred in the southwestern Philippines. In 1998, the tsunami occurred in Papua New Guinea.


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