Light snow in the twenty-four solar terms

In ancient China, light snow was divided into three stages: "When the rainbow disappeared; Second, the weather is rising and the atmosphere is falling; It was blocked three times and became winter. " Because the sun in the sky

When qi rises, the underground Yin Qi falls, which leads to the impassability of heaven and earth and the imbalance of yin and yang, so everything loses its vitality, and heaven and earth are blocked, turning into the cold winter.

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 large-scale cold air going south, and there will be a large-scale gale and cooling weather in eastern China. Light snow solar term is a solar term with high frequency of cold wave and strong cold air activity. When strong cold air affects, it is often accompanied by the first snow in winter.