Does light snow mean that winter is coming?

Does light snow mean that winter is coming? Doesn't mean that winter is coming.

Knowledge expansion:

After beginning of winter, the temperature began to drop, but this does not mean the arrival of winter. You can still wear short sleeves from time to time in many places south of the Huaihe River in Qinling Mountains, after beginning of winter. However, when the longitude angle of the sun moves15 to 240, it will be in the middle of October of the lunar calendar, and the second solar term in winter will be ushered in between165438+1October 22 and 23.

Although the name of the solar term is light snow, it does not mean that it will definitely snow. It has snowed in many places in the north. As far as the whole country is concerned, there are still relatively few places where it snows.

However, Xiaoxue is different from beginning of winter. Literally, snow is the product of cold, and only when it is cold to a certain extent will it produce snow, that is to say, it will get colder and colder during the light snow festival, and people can feel the cold in winter.

Light snow is the twentieth solar term among the twenty-four solar terms and the second solar term in winter. The time is Gregorian calendar1October 22 or 23 165438, that is, when the sun reaches 240 degrees of the yellow meridian. Light snow is a solar term reflecting precipitation and temperature, and it is a solar term with high frequency of cold wave and strong cold air activity. The arrival of the light snow solar term means that the weather is getting colder and colder and the precipitation is gradually increasing.

Light snow is a climatic concept, and its climatic factors include precipitation, temperature and light. The name of light snow, because "snow" is the product of cold weather, the climate is not deep and the precipitation is not heavy during this solar term, so "light snow" is used to compare the climate characteristics during this solar term.

The "light snow" solar term reflects the changing trend of temperature and precipitation, and does not mean that there is a small amount of snow under this solar term. The solar term "light snow" is not necessarily related to the "light snow" in the weather.

During the light snow solar term, a relatively stable meridional circulation has been established in East Asia, and low pressure or trough often appears in Siberia. When moving eastward, there will be a wide range of cold air going south, which will bring a wide range of strong winds and cool weather.

"The Book of Filial Piety" says: "On the 15th day after (beginning of winter), the bucket pointed to the sea, and it was a light snow. The sky and the earth are overcast, the temperature is rainy, and the cold is snowy. At that time, those who talked less were not cold and the snow was not heavy. " Xiaoxue solar term is a climate concept, which represents the climate characteristics during Xiaoxue solar term. Climate factors include precipitation, temperature and light, among which precipitation is an important factor of climate.

Light snow is a solar term reflecting the changing trend of temperature and precipitation. Meteorology, rain, snow, hail and other water vapor condensation falling from the sky to the ground are called "precipitation". The name of light snow, because "snow" is the product of cold weather, the climate is not deep and the precipitation is not heavy during this solar term, so "light snow" is used to compare the climate characteristics during this solar term.

The arrival of the light snow solar term means that the weather is getting colder and colder and the precipitation is increasing.