Fujita-Pearson Scale (FPP Scale) 3
Fujita-Pearson Scale (FPP Scale) 3 : A 3-digit scale for tornadoes devised by Fujita (F scale) and Pearson (PP scale) to indicate the tornado intensity (0-5), path length (0-5), and path width (0-7). For example, a FPP scale of 1, 2, 7 indicates a minimum wind speed of 117 kilometres/hour, a length of 5.1 kilometres and a width of 16 kilometres
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