巴彦淖尔市春季一次大范围连续沙尘暴天气特征分析

Analysis on the weather characteristics of a large-scale continuous sandstorm in Bayannur city in spring

文章使用常规气象观测资料和ECMCF数值预报产品,对2019-04-09/11发生在巴彦淖尔市大范围连续沙尘暴天气过程进行了天气学诊断分析。文章根据天气实况,对高空和地面环流形势演变进行了详细的分析;分析了高低空急流、层结条件、卫星云图和单站地面气象要素资料,最后得出结论。所得结论为进一步认识内蒙古中西部沙尘暴气候学特征提供帮助。

Using conventional meteorological observation data and ECMCF numerical forecast products, this paper makes a synoptic diagnosis and analysis of a large-scale continuous sandstorm weather process in Yannaoer city from April 9 to 11,2019.According to the weather conditions, the evolution of high-altitude and surface circulation situation is analyzed in detail.The high and low air jet, stratification conditions, satellite cloud image and single station surface meteorological elements data are analyzed, and finally the conclusion is drawn.The conclusions are helpful for further understanding the climatological characteristics of sandstorm in central and western Inner Mongolia.