Introduction: The arrival of each solar term heralds a change in climate, and the same is true for the Frost Descent solar term. So will there be cold air during the Frost Descent in 2018? Analysis of the Frost Descent climate in 2018! Let’s follow the editor to find out! Want to know what the ninth month of the lunar calendar will be like in 2018? Go to Mr. Shui Mo for a more detailed introduction.Will there be cold air during the Frost Descent in 2018?The Frost Descent period is a period of frequent cold air and haze."Shuangjiang" is the last solar term in autumn and also the solar term of transition from autumn to winter. The name of this solar term is Frost Descent, but the frost does not fall from the sky, but condenses on what it encounters. When the temperature near the ground is below 0℃, water vapor condenses into crystal frost flowers or ice needles. "Shuangjiang" is a solar term that represents the change in temperature. It means that the weather turns cold, dew condenses into frost, and frost begins to appear. According to meteorological experts, "the beginning of frost at the beginning of Frost Descent" reflects the climatic characteristics of the Yellow River Basin. After the "Frost Descent" solar term, the impact of cold air moving southward will become more frequent, and autumn will gradually become stronger in various places. The "Frost Descent" season is also the time when seasons change. At this time, under the influence of cold and warm air, the Huanghuai region is prone to atmospheric inversion, that is, the temperature in the upper atmosphere is higher than that in the lower atmosphere. Once temperature inversion occurs, pollutants in the near-ground atmospheric environment will accumulate due to lack of convection diffusion, causing pollution, and smog will come again. Climate analysis of the Frost Descent solar term!Cold winds and falling leaves, rain and snow in the northwest and northeast <br /> In late October and early November, the northwest and northeast regions of China have shown an early winter scene of cold winds and falling leaves. Cold air is not only a frequent visitor in these regions but also the first guest to be received. Generally, cold air brings either dry wind or rain and snow to the areas it passes through, and temperature drop is a specialty of every batch of cold air.Since my country has entered a relatively warm period since the mid-1980s, extremely strong cold air is rare. But when encountering strong cold front, the lowest temperature can drop to -7, -8℃, or even below -10℃, with the cold wind dancing with snowflakes, which can make people feel quite cold. In a few cases, local heavy snow may easily lead to snow disasters, and the strong northerly winds in the northern sea area are also worth noting. There is little rainfall during the Frost Descent period, and the weather is clear and cool in autumn. <br /> Starting from November, the autumn rain in western China basically ends, and the country enters the period of less rainfall in the year. Some parts of the southwest are located in plateaus, while others are located in basins and hills, so the weather will naturally be different. But in general, the average temperature at this time has not yet reached the winter standard, that is, it is not as humid as in summer, nor as dry as in spring, and the temperature difference between morning and evening is not as obvious as in spring. It can be said that this is a more comfortable time of the year. During this period, the climate in the Sichuan Basin area was mild, the fields were green, and the colors were orange, yellow, and green. |
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