Can Ankang rainfall manually and cooling?How long does it take to get hot?

During this period

How hot is Ankang?

August 4th to the present

11 days

Ankang has issued 10 high -temperature red warnings!

Drought orange warnings have been released!

Hanbin District launched a drought -resistant level IV emergency response!

Why is Ankang so hot?

Can it be manually rainfall to cool down?

With the problem that everyone cares

959 reporter interviewed

Li Jingrui, deputy director of the Ankang Meteorological Observatory

Come and answer them one by one!

Why is it so hot?

Li Jingrui introduced that because the subtropical high pressure is abnormal this year, the cold and cold air meets in western and northern Shaanxi, and the entire rainfall belt is west of the west. This is why this summer is rainy in northern Shaanxi. So it is high temperature and rain.

In fact, it is not only healthy. Since the summer of this year, there are generally high temperatures in various places. What are the causes of extreme high temperatures? Will there still be a high incidence in the future? According to experts, the most critical reason for super heat waves is the hot dome.

What is "hot dome"? Wang Chun, a researcher at the South China Sea Marine Research Institute of the Chinese Academy of Sciences, said that this phenomenon refers to the stagnation of high -level atmospheric heat and high pressure for a period of time. The atmospheric circulation between the high pressure and the nearby low pressure form a stable "ω" type.

"High pressure covers hot air like a cover area in the occurrence of heat waves. At the same time, the cold air is prevented from entering, making the temperature in the hot dome higher and higher, which causes the heat waves or super heat waves." After heating, it rose in the hot dome, but because the upper layer was high, and the high air was pressed back to the ground by the upper layer. Such a cycle caused the temperature in the hot dome to get higher and higher. "

Such a hot weather

Can Ankang rainfall artificially to cool down?

Li Jingrui said that many people will ask "Can the weather be so hot that it can rain artificially?" First of all, without the saying of "artificial rainfall", this may only exist in the TV series. What we call is only artificially influencing the weather, which is "manual rainfall", which refers to the necessary conditions for artificially supplementing certain precipitation according to the principle of precipitation formed by nature, promoting the rapid condensation or touching of clouds and drops into raindrops, landing to the ground, landing to the ground the process of.

Artificial rain increase operation only increases a certain amount of precipitation under certain natural cloud conditions. In popular terms, water vapor in the cloud layer is a material basis. Under the conditions of appropriate power lifting conditions, manual intervention is only a catalyst. In short, the formation of precipitation is that under the conditions of water vapor, the cold and cold air meets, the water vapor condenses into clouds and rain, the early atmosphere is abnormal, the city is controlled by the subtropical high pressure, the weather is sunny, hot, rainy, no corresponding water vapor and a certain thickness cloud layer. , Temporarily do not have the weather conditions of artificial rainfall. How long will the hot weather last?

Li Jingrui said that this kind of sunny and hot weather will last at least a week, which is worth reminding everyone. Although most of the day during the day is sunny and hot weather, there may be more local rain in the afternoon from the afternoon. The wind and lightning weather is extremely unevenly distributed in the hour. There may be short -term rainstorms in the local area. The public needs to pay attention to the latest short -term approaching forecast and early warning information. In the later period, August 18th, the subtropical high pressure will retreat. The city may be decentralized. The temperature will decline slightly. From August 17th to 19th, the highest temperature in the central and eastern counties in the city may still be still still It will be above 35 to 37 degrees, and the temperature will still rise after the 21st.

According to Chen Tao, the chief forecaster of the Central Meteorological Observatory, since late July, high -temperature weather with large scope and strong intensity in the middle and lower reaches of the Yangtze River. On August 12, the Central Meteorological Observatory issued the first high -temperature red warning this year; as of the 13th, the Central Meteorological Observatory had issued high -temperature warning for 24 consecutive days.

Chen Lijuan, chief forecast at the National Climate Center, said that the current regional high temperature process has not exceeded 2013, but the high temperature weather in the southern southern in the next two weeks will continue. According to predictions, the duration of the regional high temperature process will exceed 62 days in 2013, becoming the longest high temperature process since 1961. This year's high -temperature weather intensity may be the strongest since 1961.

According to Chen Tao, the standard for the Central Meteorological Observatory issued a high -temperature red warning is: in the past 48 hours, the maximum temperatures in parts of 4 and above provinces will continue to reach 40 ° C or more, and it is expected that the above areas will continue in the future.

Hot waves are rolling weather

Remind everyone to minimize going out

Really need to go out and need

Do a good job in heatstroke and cooling measures

Pay attention to the safety of fire electricity

If you have physical discomfort, seek medical treatment in time!

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Editing: Xiaoshan's sources of the Central Meteorological Observatory, Xinhua News Agency

Editor: Tong Hui

Final trial: Simon

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