中文摘要：

简要回顾龙卷风的研究历史,综述国内外龙卷风的数据库建设、外场观测试验、发生的环境和气候特征、影响评估等研究进展,总结全球龙卷风的气候特征及国内外龙卷风预报预警业务的现状,展望中国龙卷风研究和预警业务发展的未来。

英文摘要：

This paper presents a brief history of tornado research and reviews the current progress in database development, experiment projects, environment factor identification, climatology analysis, and impact assessment in the field of tornado research and development.And then it summarizes the global tornado climatic characteristics. Finally, it examines the present situation of tornado forecast and warning system and suggests the future directions for the Chinese research and development of tornado warning operational system.