The Mesoscale structure, such as bow echo, strong rear inflow and weak echo region on the inflow entrance etc, with the squall line, caused the disasterous wind.

• 对新一代天气雷达资料分析揭示了此次飑线的典型的弓状特征、强的后侧入流槽口以及入流槽口上的弱回波区等中小尺度结构特征是造成灾害性大风的成因。