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The wind began to blow in October, and in October there were three waves of cold air, ending the high temperature in the south and making many places feel the chill of late autumn. However, compared to the "cold wave" in November, the cold air in October is only pediatric. It is reported that this "all-round" cold air is brewing, and will sweep through most of our country this week, and its impact time, wide range of influence, and great influence are incomparable to the cold air in October.
<h1 class="pgc-h-arrow-right" data-track="3" >, how cold is it? </h1>
It is reported that this cold air in November is the second wave of large cold air this year, and has been identified as a "cold wave" by China's climate center, and the strength of this cold wave may be stronger.
First of all, this wave of cold air is divided into 3 roads, which enter from the northwest, the south of central Inner Mongolia, and the northeast, followed by these three cold air flows to the central region, and finally directly south to affect most of China. The impact is that the cold air is rapidly moving south, making the south such as Guangdong, Fujian and other places form a "quick" mode, and even the warm Hainan will usher in a sharp cooling at the beginning of the month.
On the other hand, it is even more serious for the northern region. After the cold air enters the northern region, the northern temperature will fall sharply, generally between 10 and 15 ° C in one day. Especially in the northwest and northeast regions, it is more obvious. Because the north is already cold, coupled with the cold air crossing, the temperature drops sharply, as if falling into an "ice cave".
<h1 class="pgc-h-arrow-right" data-track="12" >2, rain and snowfall</h1>
Not only that, but the most obvious feature of this cold wave is that it will receive rain and snowfall.
The southern region is mainly characterized by rainfall. Rainfall, combined with low temperatures, meant that the humidity and cold in the south would be more severe. The northern region, especially Inner Mongolia and the northeast region, may usher in snowfall, and even in some parts of central and eastern Inner Mongolia, Heilongjiang, Jilin, Liaoning and other parts of the country may usher in heavy snowfall. Speaking of this, many friends will worry that the northeast region will usher in a blizzard, which means that it will bring difficulties to grain transportation again, and the current corn market may be affected a lot.
At present, corn has reached the end of the harvest and is about to face centralized listing, on the one hand, the price of corn will fluctuate due to supply and demand, and on the other hand, how the trend of corn is very important depends on whether the circulation of corn is smooth. The current energy crisis and the spread of the epidemic have made some transportation tight, and if combined with blizzard weather, it may put pressure on the circulation of corn and the storage of grain on the ground.
<h1 class="pgc-h-arrow-right" data-track="15" >3. </h1>
Such a rapid cooling, coupled with the previous announcement by the National Climate Center that this year is the "Year of The Double La Niña", is this wave of abnormal cooling related to La Niña?
Indeed, as we have said before, La Niña, unlike El Niño, does not reverse the climate, but it increases the intensity of extreme weather. That is, when La Niña occurs, it will make the weather more extreme, for example, it will make cold air activity more frequent, which will exacerbate the cold. So from this point of view, this winter will most likely be colder.
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