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1. Typhoon (English: typhoon) is a type of tropical cyclone. A tropical cyclone is a low-pressure vortex that occurs over the tropical or subtropical oceans and is a powerful and deep "tropical weather system".
China divides tropical cyclones in the South China Sea and the Northwest Pacific into six categories according to the magnitude of the maximum average wind force (wind speed) near the center of the bottom layer, of which the wind force near the center is 12 or above, collectively referred to as typhoons.
2. Broadly speaking, the term "typhoon" is not a tropical cyclone intensity. Tropical cyclones (including tropical storms, severe tropical storms and typhoons as defined by the World Meteorological Organization) with sustained winds of metres per second or more at their centre are referred to as typhoons. Officially, the term "typhoon" even refers directly to the tropical cyclone itself.
Tropical cyclones in the northwest Pacific reach tropical storm intensity, they are given a name. Names are provided by 14 countries and territories of the World Meteorological Organization's Typhoon Committee.
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01. If you want to produce a typhoon, then you need to have the most basic conditions, which is that there must be a very large ocean surface, and the temperature of the sea surface must be above 27. Typhoons are generated in the ocean, mainly because the thermal properties of the ocean are more uniform, so this also provides a very stable initial condition for the formation of typhoons. Therefore, most typhoons have their own fixed sea area when they are generated.
02. If there is only a relatively large ocean surface and an appropriate amount of temperature, if you want to form a typhoon, it is still far from enough, and there needs to be an initial disturbance at this time. To put it simply, there must be an external condition, which allows the unstable energy of the atmosphere to be converted into the kinetic energy required for the formation of a typhoon, and only in this way can the typhoon slowly form. In summer or autumn, the weaker tropical vortices in the western Pacific provide sufficient energy for the formation of typhoons.
03. In addition to the above, the formation of typhoons also requires a certain geostrophic deflection force. Because the center of a typhoon is actually a vortex rotating in nature, in order to form this vortex, then it is necessary to have a Coriolis force.
There are 6 levels of typhoons: first, the first type is a tropical depression typhoon, and the maximum score of this type of typhoon is generally 6 or 7. And the second type is a tropical storm, and if it is of this type, then the maximum score is 8 9.
The third type is a severe tropical storm, and the maximum wind speed of this type is 10-11. The fourth type is the so-called typhoon, and the maximum score can reach 12 or 13. The fifth type is a strong typhoon, which can reach a score of 14 to 15.
The sixth type is a super typhoon, and the wind speed of a super typhoon is the highest, and the maximum wind speed is generally more than 16. <>
During the typhoon warning, there will be corresponding signals, which are blue warning signal, yellow warning signal, orange warning signal and red warning signal. Among these signals, the red warning signal is the most severe, with average winds above 12.
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Typhoons are more ferocious, they can knock down big trees, they can blow down houses, they are very bad for people, and they are very dangerous.
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I don't know much about typhoons, I just know that typhoons are very powerful; When a typhoon arrives, be sure to close your windows, and if there is no need, try not to go out, do not stand under telephone poles, and do not stand under billboards.
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Typhoon is a severe tropical cyclone that occurs in the northwest Pacific Ocean and the South China Sea, and is divided into six levels according to the maximum average wind force (wind speed) near the center of its bottom layer, of which tropical storm is the initial level of typhoon numbering, and for the convenience of application and external service, tropical storms, severe tropical storms, typhoons, strong typhoons and super typhoons are sometimes referred to as "typhoons".
The issuance of a Typhoon Blue Warning Signal means that a tropical cyclone is likely to be or has been affected within 24 hours, with average winds of 6 or higher along the coast or on land, or gusts of 8 or more and may continue. At this time, relevant departments and individuals should be prepared for wind prevention and pay attention to typhoon information at any time.
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Originally, there was no uniform name, and different countries had different names for the same typhoon. For the sake of unification, the World Meteorological Organization asked each of the coastal countries to come up with ten names, which were used in order for typhoons, mangosteen and durian, both of which were given by Thailand, which applied to replace durian with mangosteen due to the huge losses caused to the Philippines that year. Chinese names include Wukong, Dragon King, etc.
The name of the typhoon is composed of 10 countries and regions in the western Pacific, each of which provides 10 names, and those that do not cause harm continue to use this name, and those that cause harm are cancelled and replaced with new names. It feels like the name of Mangosteen must have been canceled.
Typhoons are natural disasters, and we have no way to deal with them, so we can only choose a name to complain about. If you can't scold him, you can't scold him. How to choose a name?
The affected countries of the typhoon, jointly proposed, a total of 14 countries, each country takes 10 names, generates a table, year after year cycle. If there is a typhoon in it and the damage is too great, it will be renamed.
In meteorological science and meteorological operations, a typhoon is a weather system and of course considered a weather phenomenon. It would be unscientific to define a typhoon as a natural disaster, it is a process of exchange of air-sea energy, a component of atmospheric circulation, an important tropical weather system, affecting the weather and climate change of the land and sea in the middle and low latitudes, and the storms and rains it brings both disasters and benefits to people. In particular, large-scale precipitation is an important weather process to increase water resources, and when drought develops, typhoon precipitation is an important weather system to relieve drought.
Each country will give a typhoon some name, and the success will appear in the naming list. The naming of typhoons is based on the reincarnation of the naming table. Delisting: When a typhoon causes significant damage to a country, in order to remember the typhoon, the name of the typhoon will be delisted, and a new name will be used to replace it.
In the Asian part of the Pacific Ocean (mainly China), it is called typhoon, which is classified from 1 to 12 according to its intensity, and is named after the mythological names of people or flowers in various countries. On the west coast of the Pacific Ocean (mainly in the United States), it is called a hurricane and is classified as a category of 1 to 5 depending on its intensity. This is a matter of consultation among the various coastal countries.
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Typhoon is a relatively terrifying natural disaster, its wind is very strong, it will damage a lot of things, and it will also affect the normal life of human beings, many people are afraid of typhoons.
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Typhoons generally make landfall in coastal cities, and they are more harmful, bringing heavy storms and rainy weather, and also affecting people's normal lives.
Typhoon belongs to the source of transportationTropical cyclonesone. >>>More
There are a total of 140 names in the naming list, which are provided by 14 member countries and regions in the Asia-Pacific region under the World Meteorological Organization: Cambodia, China, North Korea, Hong Kong, Japan, Laos, Macao, Malaysia, Micronesia, the Philippines, South Korea, Thailand, the United States, and Vietnam, so as to facilitate the people of all countries to prevent disasters and strengthen international and regional cooperation. Of the 140 typhoon names proposed by the 14 members, 10 were proposed by each country and region. The 10 proposed by China are: >>>More
The specific process of typhoon formation is as follows: 1. The ocean surface temperature over the ocean in the tropical or subtropical heat and combustion zone exceeds 26 degrees Celsius; 2. Due to the high temperature of the near ocean, a large amount of air expands and rises, which reduces the pressure of the near ocean surface, and the peripheral air continuously replenishes the Qiaosui into the rising area; 3. Affected by the geostrophic deflection force, the incoming air rotates, and the rising air expands and cools; 4. When the water vapor cools and condenses to form water droplets, the heat should be released, and the low-level air will continue to rise; 5. The pressure over the ocean surface drops lower, the air rotates more violently, and finally a typhoon is formed. >>>More
At 20:00 on September 7, 2018, Typhoon Mangkhut
Generated over the surface of the Northwest Pacific Ocean; September 15, typhoon"Mangosteen"landing from the northern part of the Philippines; At 6 p.m. on the 15th, the Guangdong Provincial General Defense Department decided to make the wind level. >>>More
The first time a typhoon was named was the 20th century Australian forecaster Krimhenlange, and the current way of naming typhoons is to make a naming table from the countries and regions surrounding the typhoon.