Snowy road in the middle of a mountain with a bright moon

light snowing，It is the second solar term in winter，It falls on November 22 or 23 of the Gregorian calendar every year，That is, when the Sun reaches 240° ecliptic longitude。Light snow is a solar term that reflects precipitation and temperature，It is a solar term with a high frequency of cold snaps and strong cold air activity。The arrival of the light snow solar term，It means the weather is getting colder、Precipitation is increasing。 "Snow" is the product of cold water vapor，Represents cold and precipitation，At this time, the climate is not deep cold and precipitation is not large，Therefore, "light snow" is used as a metaphor for the climate characteristics of this season。"Little snow" is a metaphor，It reflects the active cold snap during this solar term、Precipitation is increasing，It does not indicate a small amount of snow under this solar term。Light snow solar term，A relatively stable meridional circulation has been established in East Asia，Siberia often has low pressure or low troughs，As it moves east, there will be a massive shift of cold air south，There will be a wide range of winds and cooling weather in the southeast of China

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