Analysis of a regional blizzard weather process in Baishan City—Taking blizzard from February 14 to 16,2020 as an example
This article selects conventional meteorological data,NCEP global analysis data,and other relevant data to analyze a regional heavy snowfall weather process in Baishan City from February 14 to 16,2020.The results show that before the occurrence of this weather,the atmospheric circulation pattern in the eastern part of Asia at 500hPa was a"2 troughs and 1 ridge"type.Baishan City is located at the bottom of the temperature front zone,and the southwest airflow in the low altitude before the trough was relatively strong;the convergence of jet wind speed,combined with the southeast airflow of the inverted trough and the wind direction shear of the southwest airflow,jointly promote the occurrence and development of blizzard weather in Baishan City.
万方数据
