Will it be particularly cold this year?

There is public opinion that it will be particularly cold this winter.

No 17 typhoon "Schadl" was generated on October 20th, 2020. At present, strong cold air is affecting most parts of northern China.

Since 2020, many meteorological events have broken historical records. In July this year, there was a rare phenomenon of "empty Taiwan", and this year's "super violent plum" set a number of records. The China Blue Book on Climate Change (2020) shows that global warming is accelerating. In addition, influenced by La Nina, there is public opinion that this winter will be extremely cold.

On June 20, 2020 10, the Beijing News reporter interviewed Yin Yizhou, deputy director of the Meteorological Disaster Risk Management Office of the National Climate Center. He said that under the background of current climate warming, the climate variability increases, the atmospheric and ocean circulation and their interactions change, and the previously well-known climate change law may also change, which leads to an increase in the uncertainty of climate anomalies and an increase in the frequency of extreme weather events.

Extended data

During the National Day holiday in 2020, a strong cold air swept through the central and eastern regions, from the central and western Inner Mongolia through the middle reaches of the Yangtze River all the way through South China.

Affected by it: the lowest temperature in Northeast China and North China fell below freezing point. Many scenic spots in Henan, Sichuan, Gansu, Inner Mongolia, Jilin, Heilongjiang and other places "unlocked" the winter scene mode early.

In fact, in the first ten days of June in 5438+ 10, it is normal for the temperature to drop to freezing point in northern China, especially in Inner Mongolia and Northeast China. In terms of climate, the first frost began to appear in the middle and late September in northern China, provided that the minimum ground temperature dropped to freezing point.

In this way, after entering 10, although the temperature in most parts of the north and central and eastern regions is lower than normal, it is time to be cold this season. Break through freezing point, first frost, snowfall, etc. Also appeared as scheduled.

The sudden cooling during the National Day holiday made people feel strong, which made the rumors spread more and more widely. The rumor short film also plausibly said that all this was triggered by La Nina.

But in fact, the cooling process is a weather process, which is mainly affected by large-scale atmospheric circulation anomalies, and this weather phenomenon is not necessarily related to La Nina.

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