%I #5 Mar 30 2012 17:36:43
%S 40,73,113,158,207,261
%N Minimum wind speed in mph for a tornado of Fujita (or Fujita-Pearson) scale F_n.
%C Sources give 318 mph as the upper limit of an F5 tornado. The Tornado Project link also shows an F6, "Inconceivable Tornado", of 319-379 mph.
%H National Weather Service, Storm Prediction Center, <a href="http://www.spc.noaa.gov/faq/tornado/f-scale.html">Fujita Tornado Damage Scale</a>.
%H K. L. Ross, <a href="http://www.friesian.com/wind.htm">The Beaufort Wind Force Scale, The Saffir-Simpson Hurricane Scale and the Fujita Scale of Tornado Intensity</a>.
%H Tornado Project; St. Johnsbury, Vermont, <a href="http://www.tornadoproject.com/fscale/fscale.htm#fscale%20table">The Fujita Scale of Tornado Intensity</a>.
%e An F3 tornado has winds of at least 158 mph.
%Y Cf. A097403 (Beaufort scale), A098516 (Shaffir-Simpson scale).
%K fini,full,nonn
%O 0,1
%A _Rick L. Shepherd_, Sep 11 2004
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