What is the cold dew wind in 2020? What does this solar term mean?

In China, when there is cold dew, there is a weather phenomenon called cold dew wind, but many people are not very clear about it. So what is the cold dew wind in 2020? What does the solar term cold dew mean?

What is the cold dew wind in 2020?

The cold damage caused by the invasion of cold air in autumn caused obvious cooling and reduced rice production. In southern China, it mostly occurs in the cold dew solar terms, hence the name cold dew wind (also known as social wind). Cold dew wind is one of the main meteorological disasters in the growth period of late rice in South China. Every autumn, around the cold dew solar term, is the key period for heading and flowering of late rice in South China. At this time, if it is damaged by low temperature, it will cause empty shells and shriveled grains, resulting in reduced production.

What does the solar term "cold dew" mean? Cold dew refers to the cold dew to be condensed.

Cold dew commentary: Twenty-four solar terms say: September solar terms, cold dew, will condense. Cold dew means that the temperature is lower than that of the white dew, and the dew on the ground is colder and will soon condense into frost. The temperature drops gradually. White dew, cold dew and first frost all indicate the phenomenon of water vapor condensation, and cold dew is the transition from cold to cold. At night, looking up at the starry sky, you will find that the season of the starry sky changes, and the big Mars (Scorpio Antares) representing midsummer has set in the west. We can vaguely hear the footsteps in winter.

Su Wen Liu Ji Da Lun: Five Yue Qi, the tragic order has been exhausted, cold dew, first frost early. One of the 24 solar terms in China. "Tongwei filial piety helps the gods": On the fifteenth day after the autumnal equinox, fighting refers to Xin, which is cold dew. Words are cold and cold, condensing desire. At this time, the weather is cool in most parts of our country.