Correction for the speed of a Tornado
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How fast is 859.40 kilometers per hour?
It's about four-and-a-half times as fast as a Tornado
The speed of a Tornado is about 198.7540 kilometers per hour.
(EF2) (wind speed range average)
According to the Enhanced Fujita scale implemented by the US National Oceanographic and Atmospheric Administration, a "significant" tornado has an Enhanced Funjita scale classification of EF2 and is characterized by wind gust speeds between 177.02784 kph and 220.480128 kph. The largest recorded tornado — an F4 event occurring in Nebraska in May, 2004 — was almost 4.02 km (2.5 mi) across.