What is the solar term of heavy snow? Analysis of advantages and disadvantages of snowfall

Heavy snow is the third solar term in winter and the second1solar term in the traditional 24 solar terms. When the longitude of the sun reaches 255 degrees, it is also winter in the northern hemisphere. Many people don't know enough about heavy snow, thinking that it will snow during the solar term, but it is not. Let me explain to you the true meaning of the solar term of heavy snow, and whether the impact of snowfall on us is good or bad. Interested friends, let's take a look.

Brief introduction of heavy snow solar terms

The solar term of heavy snow falls on February 7 or 8 of the Gregorian calendar every year, 12. As the name implies, there is plenty of snow. The ancients said: "The great man is prosperous, and the snow man is prosperous here." . At this time, it often snows heavily and widely, hence the name heavy snow. But that doesn't mean it will snow this day. In fact, heavy snow, like light snow, is a climate concept. Heavy snow means colder weather, and the possibility of snowfall is greater than that of light snow. It doesn't mean that there must be a lot of snowfall. On the contrary, after the heavy snow, the precipitation in various places decreased further.

Weather characteristics of heavy snow

As we all know, the arrival of heavy snow means the coming of severe winter. At this time, except for some southern areas, most of the land in China has been covered with winter clothes. Especially in the northeast and northwest, the average temperature can even drop to-10 degrees. Snow has begun to fall in some areas and snow has formed, and a beautiful winter scenery of "thousands of miles of ice, snow drifting in Wan Li" has appeared. In the south, such as Fujian, Guangdong, Yunnan and other regions, vegetation is still lush and the weather is relatively dry.

The influence of heavy snow

There is a saying called "giving charcoal in the snow". Heavy snow has many benefits. For crops, heavy snow can freeze many pests to death, keep warm and increase moisture. When snow melts, it also contains trace element nitrogen, which is very helpful for plant growth. Northern areas, such as Harbin, can also use ice and snow to develop winter tourism, which is of great help to the development of urban economy; However, heavy snow also has bad effects, such as slippery roads caused by snowfall, inconvenient transportation, easy to cause flight cancellation, traffic accidents, lane congestion and so on. In some areas, mountains and roads are closed due to heavy snow, which has a great impact on people's travel and safety.