Has the weather turned colder after the Cold Dew solar term? What are the characteristics of the Cold Dew weather?
Introduction: Each solar term indicates the variability of the climate, and the Cold Dew solar term is no exception. So does the weather get colder after the Cold Dew solar term? What are the characteristics of the Cold Dew weather? According to the Chinese lunar calendar, August is the second month of autumn, which was called Mid-Autumn in ancient times. Do you want to know more about August of the lunar calendar in 2018? Go check out Mr. Ink.Has the weather turned colder after the Cold Dew solar term? What are the characteristics of the Cold Dew weather?1. Climate characteristics of the Cold Dew solar term: rapid temperature drop and drier weather <br /> Rapid temperature drop is a characteristic of the Cold Dew solar term. After a strong cold front brings autumn wind and rain, it is common for the temperature to drop by 8℃ or 10℃. However, windy and rainy weather usually does not last long (except in western China). Under the control of cold high pressure, it is warm during the day and cool at night, and the daytime is often clear and cool. The weather is also getting drier. It is understood that Cold Dew is a festival in late autumn, and the word "cold" appears first among the 24 solar terms. At this time, wild geese fly south and chrysanthemums turn yellow. Compared with the "White Dew" a month ago, the temperature is lower, there is more dew, and it is chilly.2. Climate characteristics of the Cold Dew solar term: large differences in average temperature distribution In October, there are obvious regional differences in the average temperature distribution in my country. In South China, the average temperature in most areas is above 22℃, and Hainan is even higher, above 25℃, and summer has not yet arrived; the temperatures in Jianghuai and Jiangnan areas are generally between 15℃ and 20℃, and the temperatures in southern Northeast China, North China, and Huanghuai are between 8℃ and 16℃, while the average temperatures in some areas of Northwest China and central and northern Northeast China have dropped below 8℃. The average temperature in some plateau areas of Qinghai Province is even below 0℃. 3. Climate characteristics of the Cold Dew solar term: Cold air frequently moves southward <br /> From the perspective of climatology, after the Cold Dew, the cold air in the north has a certain strength, most parts of China are under the control of cold high pressure, and the rainy season ends. The weather is often warm during the day and cool at night, with clear skies, a scene reminiscent of late autumn. In normal years, the 10℃ isotherm has moved south to the Qinling Mountains and the Huaihe River, while the temperature north of the Great Wall generally drops below 0℃. In most years, the first frost can be seen in the capital Beijing at this time. After entering the "Cold Dew" period, the frequency and intensity of the invasion of cold air from the north will increase. The rapid drop in temperature is a major feature of the "Cold Dew" solar term. After the autumn wind and rain brought by a strong cold air, it is common for the temperature to drop by 8℃ to 10℃. 4. Climate characteristics of the Cold Dew solar term: little precipitation and almost no thunderstorms October 8th is "Cold Dew" in the 24 solar terms, which means the transition from cool to cold in the year. With the arrival of Cold Dew, most parts of my country will become cooler. The Northeast and Northwest regions have entered or are about to enter winter, and the rain will gradually decrease. Except for the Qinghai-Tibet Plateau where snow falls all year round, snow has generally already started to fall in Northeast China and northern Xinjiang. Thunderstorms have disappeared in most parts of mainland my country, and thunder can only be heard in parts of Yunnan, Sichuan and Guizhou. The precipitation in North China in October is generally only half of that in September or less, while in Northwest China it is only a few millimeters to more than 20 millimeters. Drought and low rainfall often make it difficult to sow winter wheat in time, becoming one of the main limiting factors for achieving high yields of dryland wheat. |
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