The coldest competition in the twenty-four solar terms: Is the cold dew cold?

Cold dew is a solar term from hot to cold, and it is still autumn, not winter. We know that winter is the coldest time of the year, so will it be cold with cold dew? According to your years of life experience, can you determine whether the approximate temperature of cold dew is cold or hot? Let's take a look with Bian Xiao. The "cold" of cold dew is cold, and "dew" represents the phenomenon that water vapor in the near-surface layer condenses into dew. However, from the meteorological point of view, the cold dew solar terms are the same as the white dew and the first frost, and the significance of its heat change is more obvious than its humidity change It should be said that it more embodies a process of temperature change and seasonal change.

From the climatological point of view, after the cold dew, the cold air in the north has a certain influence, and most parts of China are under the control of cold high pressure. The weather is warm during the day and cool at night. The clear sky in Wan Li is a scene of late autumn. The sudden drop of temperature is a remarkable feature of the cold dew season. It is common that the temperature drops by 8- 10℃ after a strong cold air brings autumn wind and autumn rain.

At this time, the temperature in most parts of South China continued to drop. The average daily temperature in South China is less than 20℃. Even in the areas along the Yangtze River, it is difficult for the mercury column to rise above 30℃, while the minimum temperature can be reduced to below 10℃. Except for a few valley lowlands, the five-day average temperature in the northwest plateau is generally lower than 10℃, which is already winter according to the standard of four seasons climate division. Thousands of miles away, first frost and Wan Li are snowing, which is very different from autumn in South China.

"It's rare to have a cold meal." In the cold dew season, the temperature is further reduced and the temperature difference between day and night is large. Remember to add clothes and keep your feet warm.

Cold dew is the season of late autumn. At this time, the public should pay attention to prevent "autumn dryness", strengthen warmth and prevent colds. In order to prevent autumn dryness, it is suggested that the public should not eat or eat less spicy barbecue food, eat more fresh fruits and vegetables, beans and bean products that moisten the lungs and dryness, and drink more boiled water, honey water, vegetable soup, soybean milk and milk.

After the cold dew, the temperature keeps falling, and people are prone to catch a cold. Therefore, the public should pay attention to adding clothes in time, strengthening outdoor exercise and enhancing physical fitness. At the same time, pay attention to adjust the pace of life and living environment, prevent excessive fatigue and uncontrolled nightlife, and quit smoking and drinking.

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