What is the reason for the heavy snow in August?

I hope it can help you. The north wind rolls white grass and breaks them. Eight In the snow streaks across the Tatar sky. The strange scenery depicted in Tang poetry has reappeared in northern Shaanxi on the Loess Plateau since 10 8. According to the introduction of the local meteorological department, it snows heavily in August of the lunar calendar, which is extremely rare in the meteorological history here. The snowfall will last until 1 1 day.

It is understood that due to the strong cold air in western Siberia, since October 6, there has been a blowing and cooling weather process in most parts of Shaanxi Province, and the daily average temperature has dropped by six to eight degrees Celsius, while the lowest temperature in northern Shaanxi has dropped to around zero degrees Celsius. According to the latest monitoring data of Shaanxi Meteorological Observatory, under the joint influence of strong cooling and warm and humid airflow in the southwest of the plateau, the snowfall was mainly concentrated in Jingbian, Dingbian, Wuqi and Hengshan counties in the north. Many crops that were not harvested in time were covered with snow and even frozen. Some sections of Wangjing and Yujing expressways are frozen and foggy, and the visibility is sometimes less than 200 meters, which brings great inconvenience to passing vehicles.