Beijing cold wave warning upgraded to orange. How did the cold wave come about? What's the impact?

With the arrival of winter, the weather changes faster and faster, and this wave of cold wave comes very violently. Everyone wears thick winter clothes. Beijing has upgraded the cold wave warning to orange, and many people hope that winter will pass quickly because it is too cold. In such a cold winter, we need to keep warm. So why did it attract such a big cold wave? How did this cold wave come about? What kind of impact will it have?

1. What is a cold wave?

We all know that the weather is getting cold, but many people don't know what a cold wave is. Cold wave can be said to be a kind of disastrous weather, so we usually call it cold wave. The temperature will drop sharply at this time. Cold waves usually occur in winter or spring. The sudden invasion of cold air will cause excessive temperature difference. Under certain weather conditions, the temperature drops sharply or there is strong wind, rain and snow. This kind of cooling will reach above 10℃ in one day, which is usually called cold wave.

Second, how is the cold wave formed?

So how was the Han Dynasty formed? Because the sunlight is weak, at this time, there will be less heat available for the ground and the atmosphere. In a snowy place like the North Pole, the degree of cold in the North Pole will be stronger and the scope will gradually expand after the sun shines in winter. At this time, the temperature will generally drop to about MINUS forty or fifty degrees. At this time, under the action of air pressure, the cold wave in the Arctic will invade the south on a large scale, thus forming a cold wave.

Third, what is the impact of the cold wave?

First of all, the arrival of the cold wave will have a certain impact on crops and people. What we need to do is to keep warm and prevent colds. In addition to wearing thick winter clothes and thick cotton shoes, we also need to put on winter clothes for our crops, because the weather is too hot and the crops can't stand such a cold winter, which is likely to affect the yield. At the same time, the arrival of the cold wave will also bring some inconvenience to our travel.

The weather is unpredictable. In this cold winter, we must take measures to keep warm and cold.