摘要
受1522号台风"彩虹"外围螺旋云带影响,2015年10月4日15:28—16:00佛山市出现了强龙卷风并对多个镇街造成严重灾害。通过灾害现场调查、多普勒雷达观测、群众走访、视频影像等资料,综合比对分析龙卷风的特征,结果表明:该次龙卷风过程发生在台风"彩虹"外围螺旋云带中,发生时的台风中心距离佛山350 km;龙卷风影响时间约为32 min,路径长度为31.7 km,平均时速约为60 km/h,强度达F2级,属于强龙卷,具有"移动速度快、影响范围广、风力破坏强"的特点。
Affected by a spiral cloud band at the periphery of Typhoon Mujigae （coded 1522）, an intense tornado occurred in the city of Foshan from 15：28 to 16：00 （Local Time） on October 4, 2015 that resulted in severe destruction in a number of towns and streets. The characteristics of the tornado were summarized for comparison and analysis, based on in site post - event surveys, Doppler observations, witness interviews and video images. The results are shown as follows. The tornado was generated within the spiral cloud band at the periphery of Typhoon Mujigae, which was 350 km away from Foshan at the time of occurrence. It lasted for about 32 minutes, covered a distance of 31.7 km, and moved at an average speed of about 60 km/h. With the intensity at the level of F2, this intense tornado was characterized by high moving speed, extensive coverage and strong destruction due to high winds.
出处
《广东气象》
2015年第6期6-8,13,共4页
Guangdong Meteorology
