On the evening of November 26, snow appeared in the urban area of ​​Beijing, and Zhai Liang, chief forecast at the Beijing Meteorological Observatory, explained that under the cold wave, the entire Beijing was in the cold vortex cloud system. After the night yesterday, there was

Beijing City is snowing late at night, how is it different from forecast? Is this the first snow? Expert answers

November 26, snow appeared in the urban area of ​​Beijing, and Zhai Liang, chief forecast at the Beijing Meteorological Observatory, explained that under the cold wave, the entire Beijing was in the cold vortex cloud system. After the night yesterday, there was a supplement to the cold air. Due to the low temperature of the high altitude, the water vapor reached a saturated state, which caused a condensation and did not evaporate completely during the fall. Therefore, this sudden snow was formed. Considering that it will be evaporated during the fall, we originally expected that the plain will not form snowfall. ML19

In addition, according to the analyst of the chief meteorological analyst of China Weather Network, Xinxin analyzed that the snow of cold vortex in winter is the same as the summer cold vortex thunderstorm. They are relatively scattered. Yesterday, Beijing's low -empty humidity conditions were unfavorable, but the power conditions were good. Finally, it was a strong miracle, just like twisted towels and finally twisted out.