【摘要】 冰雹是我市罕见的灾害性天气。通过分析得出：冰雹往往伴有大形势调整，高低空急流存在，单站要素反映明显等特征。更多还原

【Abstract】 Hailis rare severe weather in Dunhuang city, Analysis reach that synoptic situa-tion has often big adjustment,There are two jet flow of high and low layers. The elementshave clear display by the time hail appear.更多还原