TORRO等級

TORRO等級（英語：TORRO tornado intensity scale，簡寫為T-scale），是一種以等級T0－T11來區分龍捲風強度的評估系統。這個系統是由英國氣象組織「龍捲風與風暴研究組織」（Torro）的Terence Meaden提出的，並可作為蒲福等級的延伸。

T0一般無法對村莊造成危害，而T11表示在人類歷史中觀測到最大強度的龍捲風。

參考文獻

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.