What are the climatic characteristics of this solar term?

The slight cold solar terms are characterized by colder and colder weather.

In turn, slight cold is the 23rd of the 24 solar terms, and it is also a solar term of the twelfth lunar month. It is the same as great cold, slight summer heat, great summer heat and summer heat, and it is a solar term indicating temperature change.

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The weather characteristics of slight cold are: it gets cold, but it is not cold yet. The "March 9th" in the middle of winter is basically within this solar term, so there is a saying that "slight cold is better than severe cold". Two old folk proverbs, "A slight cold, freezing into a ball" and "Walking in the street, losing money", all describe the coldness of this solar term.

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According to the climate observation data, after the slight cold, the temperature during the solar term from "slight cold" to "great cold" in most parts of China is the lowest in the whole year, so there is a saying that "slight cold is better than great cold". It is called a slight cold rather than a great cold, because solar terms originated in the Yellow River basin. 188 In the Yellow River Basin, the greater cold is colder than the lesser cold. It is also called "slight cold" because the slight cold solar term is still in the last few days of "February 9", and it only enters "March 9" a few days after the slight cold. The slight cold in winter just corresponds to the slight heat in summer. As the saying goes, "slight cold is severe, and cold is ice." Literally, although the slight cold has not yet reached the coldest time, in the previous meteorological records, the slight cold was ushered in at the end of February 9, March 9 just walked side by side with the slight cold, and the beginning of April 9 just caught up with the end of the slight cold solar term. It can be seen that entering a slight cold often means that most parts of China have entered a severe cold period, and people have begun to experience the coldest period of the year.

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However, the weather is not completely controlled by solar terms. Not cold, the key depends on the momentum of cold air. During the slight cold solar term, people should pay attention to the forecast of strong cold air by meteorological stations, guard against the influence of strong winds, rain and snow on Spring Festival travel rush, and pay attention to cold prevention and freezing prevention.