What are the characteristics of the origin of the heavy snow solar term
heavy snow is the solar term after light snow in the 24 solar terms. During heavy snow, the weather is also cold, but we don't know much about the solar term of heavy snow. Let's learn about it today! So what is the origin of the heavy snow solar term? What are the characteristics of heavy snow? Next, let's follow the old yellow calendar of this issue and have a look!
you may be interested in: what are the weather characteristics of the heavy snow solar term?
the origin of the heavy snow solar term? Heavy snow, as the name suggests, heavy snow. The ancients said, "the big one is prosperous, and the snow is prosperous at this point.". At this time, the snow often falls in a large and wide range, so it is called heavy snow. According to the collection and interpretation of the seventy-two princes of the lunar calendar, "on November day, the big one is prosperous, and so is the snow." (November here refers to the lunar calendar), which is the ancient interpretation of heavy snow. The heavy snow solar term often comes around December 7. At this time, there is gradually snow in the Yellow River Basin of China, and the charming landscape of thousands of miles of snow in the north. At this time, the lowest temperature in most parts of China dropped to 0 ℃ or below. Heavy snow or even Blizzard often falls in areas where cold and warm air meet in front of strong cold air. It can be seen that the heavy snow solar term indicates the starting time and degree of heavy snow in this period. Like light snow, rain, grain rain and other solar terms, it is a solar term that directly reflects precipitation.
you may be interested in: what is the meaning of the heavy snow solar term? What are the characteristics of the ancient poem
heavy snow? 1. The heavy snow solar term indicates that the weather is cold, the possibility of snow changes and the amount of snow increases. Strong cold air can often form large-scale snowfall or local blizzard. There are many benefits of snowfall, especially to alleviate the winter drought, freeze to death farmland diseases and insect pests, and facilitate the development of winter tourism. However, snow and slippery roads can easily lead to civil aviation flight delays, road traffic accidents and lane congestion; The snowstorm closure of mountains and roads in some areas will also pose a threat to the safety of human and livestock in pastoral grassland (called white disaster).
2. Obvious cooling. The heavy snow solar term is December 6, 7 or 8 every year. The weather is cold and the temperature will drop significantly. The month with the most strong cold air in China is November. The average temperature in most parts of the north is about - 5 ℃ ~ - 20 ℃ in December. Frost sometimes occurs after the strong cold air in the south. Cold is very harmful to the health of the weak and the elderly.
you may be interested in: what does heavy snow mean? The poem about heavy snow
3. Heavy fog is everywhere. In December, when the temperature in the morning is relatively low in Jiangnan just entering winter, or after rain and snow, the humidity near the ground is high, and there may be heavy fog areas. The haze weather in northern cities will also meet.
4. Flood and ice disaster in winter, Baotou river section in Inner Mongolia is frozen and closed, while Lanzhou River in the south is not closed. The river flows to the closed river section. Because the ice layer and ice dam on the closed river section block the river down the upstream, forcing the water level to rise, it is easy to overflow the river embankment in Baotou river section. If the strong cold air comes late, it is easy to cause flow ice disaster in December, which is worthy of attention.and
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