TORRO等级

TORRO等级（英语：TORRO tornado intensity scale，简写为T-scale），是一种以等级T0－T11来区分龙卷风强度的评估系统。这个系统是由英国气象组织“龙卷风与风暴研究组织”（Torro）的Terence Meaden提出的，并可作为蒲福等级的延伸。

T0一般无法对村庄造成危害，而T11表示在人类历史中观测到最大强度的龙卷风。

参考文献

1. Grazulis, Thomas P. Significant Tornadoes 1680-1991, A Chronology and Analysis of Events. St. Johnsbury, VT: The Tornado Project of Environmental Films. 1993. ISBN 1-879362-03-1. 
2. Meaden, G. T. Tornadoes in Britain: Their intensities and distribution in space and time. Journal of Meteorology (UK). 1976, 1 (8): 242–51. 
3. Meaden, G. T. A study of tornadoes in Britain, with assessments of the general tornado risk potential and the specific risk potential at particular regional sites. Journal of Meteorology (UK). 1985, 8 (79): 151–3.