The cold wave went deep into the south, and a large-scale cooling swept over more than 30 provinces. What is a cold wave?

Cold wave is a kind of cold air, which refers to some extreme weather. At present, a strong cold wave has entered the south, and cooling has swept over more than 30 provinces and cities. It is understood that the maximum cooling range is about 10~20 degrees. Experts say that cold waves usually occur in rainy periods in winter, that is, a wide range of cold and northerly winds. Now this cold wave is still quite serious. I hope everyone will keep warm and take precautions.

A cold wave is a cold atmosphere and refers to extreme weather.

Many people don't know much about the cold wave, which refers to a cold air from high latitudes. Under normal circumstances, a cold wave strikes, which means that the temperature will drop. In this special weather situation, it quickly invaded the area, and then caused cold or windy weather along the way. These are cold waves, indicating that extreme air has some bad effects.

The cold wave entered the south and swept over more than 30 provinces and cities.

At present, the cold wave has pushed south and entered Jiangnan, announcing that they have gone deep into the south. At present, it has swept over more than 30 provinces and cities, which is quite serious and threatening. Under normal circumstances, when the temperature drops sharply in most areas, the wind is relatively strong and the impact is relatively large, there is a cold wave here. In cold weather, we need to keep warm and take protective measures to avoid catching a cold.

Keep warm and protect.

When this cold wave strikes, it is necessary to do a good job of protection and warmth in time to avoid being attacked by the cold wave. If you are attacked by cold air, you may catch a cold or have a fever. At present, this cold wave has cooled by 20%, and the highest temperature is 10 to 20 degrees. It rains heavily and snows heavily in winter, which is the explanation of the cold wave. At present, this wave of cold wave has been fierce, and the situation of cooling is also fierce. Everyone must pay attention.