Today (No. 22) is a light snow festival. The name of the solar term is that the state of precipitation changes from rain to snow, but the number of snowing is not much, and the amount of snow is not large. Since the 24 solar terms are based on the climate and phenology of the Yellow River Basin, the characteristics of Xiaoxue's solar terms are not applicable to all places. Take the northern Xinjiang region, there have been blizzards in some areas, such as Ji Mu Nai snow up to 39 cm; and in Qinghai Buffalo, snowing time is earlier, but due to low temperatures, snow is difficult to melt for more than 20 days .
Before and after the "small snow", agricultural production in most parts of China began to enter the winter management and farmland water conservancy infrastructure. The north of the Yellow River has reached the north wind, and the snow flutters in Mengdong. At this time, there will be early snow in the northern part of China. Although the amount of snow is limited, it still reminds us that it is the season to keep warm. Light snow indicates the start time and extent of snowfall. Snow is a product of cold weather. Light snow festival, the northern part of the southern region began to enter the winter. "There is no rain cover, and there are frost branches in the chrysanthemum." It has already appeared in the early winter. Because there are Qinling and Dabashan barriers in the north, blocking the invasion of cold air, and shortening the rigor of the cold wave, the "warm winter" in South China is remarkable. The number of snowfall days in the whole year is less than 5 days, much less than the middle and lower reaches of the Yangtze River at the same latitude. There is very little chance of snowfall before heavy snowfall. Even in the midwinter season, it is rare to see the fascinating scenery of “Thousands of Trees and Pear Blossomsâ€. Because the temperature in the near-surface layer of winter in South China is often above 0 °C, snow is less likely than snowfall. Occasionally, although I saw the sky "had a lot of people", I did not see the "broken Qiong chaos" on the ground. However, in the cold northwestern plateau, snowfall generally begins in October. The number of snowfall days in the northwestern part of the plateau can reach more than 60 days, and some alpine regions have the possibility of snowfall throughout the year.
Although different places have different characteristics, but entering the snow, it is certain that cold air activities will become more and more frequent, and the weather in most parts of the country will be colder. At this time, all localities should carry out the autumn-sown crop field management work centered on cultivating strong seedlings, clearing the ditch and arranging the inner and outer ditch systems, so that the internal and external communication and the rivers and rivers can communicate, ensuring smooth irrigation and drainage. Control the wang to promote the prevention of frost damage, and apply fertilizer to promote strong seedlings. The following section of the farmhouse illustrates the farming activities during the snowy season. "The festival is snowing in the snow, the farmer can't stop at this moment. Continue to water the winter wheat, the land is not sealed and can be ploughed. The cabbage must be chopped, the spinach scallions are blocked, the size of the winter shed is fine, and the buds are flowering and fruiting. The accumulation of fertilizer should be carried out, and the strong grain of the land should be strengthened. The plantation forest will continue to be carried out, and the fruit trees will be grasped and cut. The cattle and horses are well fed and cannot be stumbled in winter. The farmer’s sideline must be engaged in large quantities, and the local resources are inexhaustible. Room powder room tofu room, earning money to raise pigs and crops evil (long), calamus æ§ æ§ æ§ , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , At night, cold hit the deep pool of hot water, wind and wind and foot fish gathering."
Now it is affecting this cold air in China. Today (No. 22) will bring different degrees of cooling to the northeast to South China. The cooling in the northeast is the most severe, and the temperature in some areas is more than 10 degrees. On this day, most of the northern part is the lowest. The temperature will drop below 0 degrees, and early frost will appear in the northern parts of Jiangsu and Anhui provinces and parts of southern Henan. At the same time, there will be a new cold air to cool the snow in northern Xinjiang, and it is expected that the next week, it will be affected by cold air frequently, and animal husbandry production is much more preventive.
Related knowledge: Is the snowy weather and the “small snow†weather in our forecast the same thing? I want to tell you here that they are two different things. Because the snow festival is a climate concept, it represents the climatic characteristics during the light snow festival; while the snow in the weather forecast refers to the snow with less snow intensity, if the snowfall within the 24-hour period is between 0.1-2.4 mm, Known as the "small snow" weather.
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