World Meteorological Organization latest data shows that
will likely continue to
at the end of this year or longer
This will be the first time
'triple' La Nina event
'triple' La Nina event
'triple' La Nina event
'triple' La Nina event
'triple' La Nina event
'triple' La Nina event
So, what does it mean to be the possible
'triple' La Nina event this winter?
Will it be colder this winter?
What is the La Nina event?
The so-called La Nina event refers to the phenomenon that the sea surface temperature in the eastern and central equatorial Pacific Oceans continues to be abnormally cold.
The current La Nina event began in September 2020. With the strengthening of trade winds from mid-July to mid-August 2022, the conditions of the La Nina event in the tropical Pacific have been strengthened, affecting temperature and precipitation patterns and exacerbating droughts and floods in different parts of the world. The National Climate Center predicts that the La Nina incident that is currently continuing in will continue until the winter of 2022-2023.
La Nina winters are common in the northern hemisphere, but three consecutive days are rare. has only happened twice since 1950. What impact will the
La Nina incident have?
The impact of each La Niña event varies depending on the intensity of the event, the time of development, and its interaction with other climate patterns.
The British magazine " Nature " warned in June that more La Niña events will have multiple impacts, such as increasing the probability of flooding in Southeast Asia, increasing the risk of drought and wildfires in the southwestern United States, and forming a variety of hurricanes , cyclone and monsoon patterns in the Pacific and Atlantic , and causing weather changes in other areas.
Will it be colder this winter?
According to the latest analysis of the National Climate Center, usually in the winter after the La Nina event in (December of that year to February of the following year), the main characteristics of abnormal winter temperature in my country are: the temperature in most areas of the country is lower than the same period in the same period of the previous year, especially in the north of North China, southern Northeast China, most of South China, eastern and northern and northern areas of , and most of the northwest areas. After the La Nina incident, the main manifestations of winter precipitation in my country were: has a low precipitation in a large area, , especially in the eastern part of the northeast, along the middle and lower reaches of the Yangtze River, southern southwest, northern Xinjiang, etc.; the northern part of the southwest and eastern northwest regions and other places were relatively high.
However, it is worth noting that the impact of the La Nina incident on my country's winter climate has interchronological differences. From 1951 to the mid-1980s, the winter temperatures in my country were significantly lower in the La Niña incident, and both of them were cold winter phenomena. Against the backdrop of global warming , the La Nina incident has been high since 1986, and even the warm winter phenomenon has occurred.
Source: CCTV News, CCTV Finance, China Radio and Television, National Climate Center, Yangtze River Daily
Editor: Zhong Yu
Editor: Li Chun Huang Qing
Producer: Hu Yang
Producer: Shenyang
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