What is the reason for the snow in June?

"Six in the snow" is different from our common summer hail. Although they are all solid precipitates, their forms and properties are completely different: the former are often flaky and flocculent, and the temperature is very low when landing; The latter is as smooth as ice, and it is some ice particles as small as mung beans and soybeans and as big as chestnut eggs. Heavy hail is bigger than grapefruit, and the temperature near the ground is high with thunder when landing.

According to the analysis of weather dynamics, the direct cause of "six in the snow" is mostly caused by the strong cold advection in summer.

Recently, some experts believe that the appearance of "six stars in the snow" is related to solar activity, ocean current changes, volcanic eruptions and other factors that can lead to climate anomalies. Cold advection at high altitude is the intersection of high temperature airflow and high altitude cold current in summer caused by special reasons, but the conditions that produce them are special and accidental, so it is difficult for us to encounter "six wonders in the snow" under normal circumstances.