Continuous high temperature affects over 900 million people across the country!How long does it take to get hot?
Author:Look at the think tank Time:2022.07.17
In the past few days, the south has continued to have high temperatures, and the "stove" model has a long standby. According to reports, many people in Zhejiang, Sichuan, Henan and other places confirmed fever, and there were even death cases.
What exactly is thermal radiation disease? How fierce is this round of high temperature? How long does it take to get hot?
On July 14, the electronic display on the streets of Hangzhou reminded the public to pay attention to the high -temperature red warning signal. Xinhua News Agency reporter Jiang Han Photo
This article is reproduced from China News Network. The original first was published on July 15, 2022. The original title "Continuous high temperature affects over 900 million people across the country!" How long does it take to get hot? ", The original text has been cut, which does not mean watching think tank views.
1
How hot is this summer?
According to the monitoring of the National Climate Center, since June this year (as of July 12), the average high temperature number of high temperatures in my country is 5.3 days, which is 2.4 days more than the same period of the year. It is the same period since 1961.
Since June 13, my country's first regional high -temperature weather process has emerged in China. It has a wide range, long duration, strong extremes, and great impact. As of July 12, the high -temperature incident has lasted 30 days, covering a land area of 50.21 million square kilometers, which has a population of more than 900 million people.
The highest temperature of 71 national meteorological stations in the country broke through the historical pole, of which Hebei Lingshou (44.2 ° C), Tancheng (44.1 ° C), Zhengding (44.0 ° C) and Yunnan Yanjin (44.0 ° C) daily reached 44 ° C 44 ° C above.
In the near future, on July 13, large -scale high temperature weather appeared in the south. East Sichuan, Chongqing, southeast Shaanxi, western Hubei, southern Anhui, southern Jiangsu, Shanghai, Zhejiang, northeast of Jiangxi, central and northeast Fujian, etc. The temperature reaches 38 ~ 41 ° C, and Sichuan Gulin is 42.6 ° C.
On July 14, Zhejiang, Chongqing, Yunnan, Jiangsu and other places issued more than 70 high -temperature red warnings.
On July 14, the spray device was opened in Shanghai Yuyuan Mall for heatstroke prevention. On the same day, the Shanghai Center Meteorological Observatory issued the third high -temperature red warning signal this year, with a maximum temperature of more than 40 degrees Celsius. Xinhua News Agency reporter Liu Ying
2
Why are high -temperature heat waves frequently?
The World Meteorological Organization (WMO) recently announced that according to the European Copernicus climate change service agency data, the world has just experienced the third hot June in the record, and a wide range of extreme high temperature events have appeared.
Meteorological expert analysis is that global warming is a frequent climate background in the high -temperature heat wave incident in the northern hemisphere, and the abnormal atmospheric circulation is the direct cause of frequent high -temperature heat waves in the world since June.
Specifically, in my country, the continuous La Nina incident has provided an important climate background condition for the development of high temperature in the south since June of this year. Especially in July, the development of heating and high pressure bands in the middle latitude was strengthened, leading to large -scale high temperature weather.
It is understood that since the beginning of the 21st century, my country's large -scale continuous high -temperature incidents have been in 2003, 2013, 2017, etc. Generally speaking, this year's high temperature incident starts earlier than the above three years, and the number of duration and historical extreme stations is not as good as these 3 years. Although the scope and the highest temperature in the single station are not as good as 2017, it has exceeded 2003 in 2003, but it has exceeded 2003 in 2003, but it has exceeded 2003 in 2003, but it has exceeded 2003. And 2013.
3
How long does it last for high temperature weather?
According to the Central Meteorological Observatory, since July 6, the Central Meteorological Observatory has issued high -temperature warning for 9 consecutive days. It is estimated that by the 17th, the high temperature and hot weather in the east of the Sichuan Basin, Jianghuai, Jianghan, Jiangnan, South China and other places will continue. The highest temperature in most regions is generally 35-38 ° C, and the local area can reach 40 ° C.
From 17-20, the rainfall process will occur in the Sichuan Basin, Jianghan, Jianghuai, Jianghuai, Jiangnan and northern parts of the northwestern part of South China. High temperature weather can be relieved, and high temperatures in the southeast of Jiangnan and eastern South China will continue.
After the 21st, the high temperature in the south will develop again, and the scope will expand. The highest temperature in Fujian, Jiangxi, and southern Zhejiang can reach 39-41 ° C.
4
What exactly is thermal radiation disease?
According to the "Consensus and Treatment Experts in China", "thermal radiation disease" is a fatal disease caused by heat damage factors to the body.
When the temperature is too high, the moisture and electrolytic balance in the human body will be destroyed, causing a series of physical discomfort such as dizziness and chest tightness. This situation is called heat stroke. The grading of "fever" in heatstroke is severe heat stroke.
Thermal radiation disease usually occurs at high temperature in summer and is accompanied by high humidity. It usually manifests as high fever, body temperature is above 40 ° C, dry skin heat without sweat, conscious disorder, organs failure. If you do not get a timely treatment, the mortality rate of fever is 20%to 70%, and patients over 50 years of age can be as high as 80%.
5
Who is easy to get fever?
There are two main types of key groups that need to prevent heat irritation.One category is mainly due to high -intensity physical activity that causes the body's heat production and heat dissipation. Healthy young people who are common in summer strenuous exercise, such as officers and soldiers, athletes, firefighters, and construction workers in summer.On July 14, at the site of the Lingjian high -speed civil construction project site, the staff sang the summer ear soup for the construction staff.Xinhua News Agency reporter Huang Zongzheng Photo
Another type of individuals who are common in young people, pregnant women and old -age declines, or those who have chronic basic diseases or immune function are usually passively exposed to the heat environment that causes heat production and heat dissipation.
Experts remind that prevention of prevention is important.We must avoid going out during high temperature hours, strengthen ventilation, and maintain the right room temperature.In high temperature and high humidity environments, if heartbeat acceleration, dizziness, headache, shortness of breath, etc. occur, move to a cool and ventilated place as soon as possible.
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