Weather characteristics of winter solstice

The weather change from winter solstice is characterized by short sunshine time, about winter solstice, although the northern hemisphere has the shortest sunshine time and receives the least amount of solar radiation. But at this time, the heat accumulated on the ground in the summer half year can also provide some supplements, so the temperature is not the lowest at this time.

Whether it will rain on the solstice of winter is certain, especially in the north of our country. On the solstice of winter, the temperature is very low all over the country, almost entering the cold winter. The winter solstice is a day in the northern hemisphere and the longest day in all seasons. On the winter solstice, the direct position of the sun on the ground reaches the southernmost point of the year and almost directly reaches the Tropic of Capricorn (23 26' south latitude).

On this day, the northern hemisphere gets the least sunshine, 50% less than the southern hemisphere. The days in the northern hemisphere are the shortest, and the farther north they are, the shorter they are. After the solstice winter, I began to enter the "count nine cold days" It will really enter the main flood season in winter and last until April 9. Although there is still more rain and higher temperature in Jiangnan area. Cold and warm air is still in a stalemate, but then cold air will become more and more active. Gradually gain the upper hand, as for how strong the cooling situation will be in winter, it depends on the degree and intensity of cold air.

The meaning of solar terms

Climatically, during the winter solstice, the average temperature in the northwest plateau is generally below 0℃, and the southern region is only about 6℃ to 8℃. In addition, the winter solstice begins to count to nine, and the winter solstice becomes the first day to count to nine. Winter Solstice is a seven-character quatrain poem written by Heshui Zuo, which describes the earth phenomenon, climate characteristics and the growth of flowers and trees in winter solstice. This poem was written on the solstice of winter in 20 13 and published in China Poetry Monthly on 2014.

This poem expresses the popular science knowledge of the characteristics of winter solstice with scientific language and vivid brushwork, so it is quoted by related articles. Winter solstice: commonly known as "Winter Festival", "Dragon solstice Festival" and "Asian New Year", it is a traditional festival of the Chinese nation. During the Spring and Autumn Period, China has observed the sun with soil gauge and determined the winter solstice, which is the earliest of the 24 solar terms, and the time is between June 65438+February 265438+1October 23 of the Gregorian calendar every year.