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The Tornado and Storm Research Organisation (TORRO) was formed in the UK in 1974 in order to determine realistic spatial, temporal and intensity distributions of tornadoes in the UK and, eventually, throughout Europe. Currently, TORRO's databases contain nearly 2000 tornadoes and over 550 waterspouts for the UK alone. In 1972, TORRO's founder, Terence Meaden, devised the Tornado Intensity Scale. This...
The annual and seasonal frequency, geographical distribution, and intensity of British hailstorms are examined. In 1986, the Tornado and Storm Research Organisation (TORRO) developed a Hailstorm Intensity Scale to characterise around 2500 hailstorms known to have occurred in Great Britain since the first documented hailstorm event of 1141 AD. The most intense British hailstorm reached intensity H8...
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