Does the first frost mean that the weather will get cold in 2020? What are the characteristics of solar terms?

The first frost refers to the last solar term in autumn in China. When the first frost comes, people will want to know more about this solar term. Does the first frost mean that the weather will get cold in 2020? What are the characteristics of the first frost solar terms?

Does the first frost mean that the weather will get cold in 2020? This meaning is included in the meaning of the first frost.

The first frost solar term means that the weather is getting colder and the first frost appears. It is the last solar term in autumn and also means the beginning of winter. Health care is particularly important in the first frost season. There is a folk saying that it is better to make up the first frost in one year, which shows the influence of this solar term on us. Gregorian calendar 10 year 10 on 23rd or 24th, the sun is located at 2 10? The first frost is the last solar term in autumn. The first frost refers to the first frost. Twenty-four solar terms say: in mid-September, the air is cool and condensed, and the dew is like frost. At this time, when the temperature drops below 0 degrees, the water vapor in the air condenses into white crystals on the ground, which is called frost. At this time, the first frost usually appears in the Yellow River valley in China, and most areas are busy planting crops such as wheat. Plants that are not hardy will stop growing and present a scene of late autumn, which is a good opportunity to enjoy the maple leaves. Yizhoushu Zhou Yue: March Autumn: Summer, Autumn Equinox, First Frost. Zhou Yu in Mandarin: Seeing the fire and the breeze will stop the cold. Wu Note: It is said that the breeze comes first after the first frost, so people should be prepared for the cold. Wei Wei's "Oriental" Chapter 15: In terms of solar terms, it is not yet the first frost, and it has been frosted several times here.

What are the characteristics of the first frost solar terms?

Frost is the condensation of water vapor when the ground encounters cold weather, so it is not the frost in the first frost, but the phenomenon that the ground will produce the first frost when the weather is cold. From a scientific point of view, it is not accurate to say that dew forms frost. The frozen dew formed by dew freezing is hard small ice beads. Frost refers to the phenomenon of crop freezing injury caused by the sudden drop of temperature, and its harmful temperature varies with crops, varieties and growth periods.

To form frost, the temperature of the ground or ground objects must drop below 0℃, and the water vapor content in the air on the ground should reach a certain level. Therefore, there may not be frost in first frost, and there may not be frost in first frost. However, due to the low temperature during frost, if the temperature continues to drop, it will easily lead to frost.