中文摘要：

本文利用阜阳CINRAD／SA型新一代多普勒天气雷达的基本产品和部分导出产品等综合分析了2005年7月30日下午发生在灵壁县境内的一次强龙卷天气过程，分析了导致这次强对流天气的环流背景和多普勒天气雷达回波特征，发现该过程是由一个超级单体产生的。通过对阜阳和徐州雷达资料的对比分析，揭示了产生强龙卷天气的龙卷涡旋特征和垂直累积液态水的规律，总结出应用新一代多普勒天气雷达回波资料做临近预报的一些经验，为0-2h局地强对流天气的临近预报提供了依据。

英文摘要：

This paper analyzes synthetically a severe tornado process which occurred in the afternoon on 30 July 2005 in Lingbi county by the means of new Doppler weather radar Fuyang CINRAD/SA＇s basic products, Metstar software＇s part outputting product, and describes the circulation background and characters of the echo waves of the Doppler weather radar, which led to the severe convection weather. It has found the severe tornado was horn from supercell. By comparing the data of Doppler weather radar Fuyang and Xuzhou,the paper finds the TVS（tornado vortex signature） and VIL（vertically integrated liquid）laws of the appearance of the severe tornado, concluded some experience of how to make nowcasting by the echo data of new Doppler radar, which will provide useful evidence of forecasting the severe convection weather in local area in two hours.