Is 311,000 yards per hour as fast as a Tornado?
It's about one-and-two-fifths times as fast as a Tornado
The speed of a Tornado is about 217,360 yards 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 193,600 yards per hour and 241,120 yards per hour. The largest recorded tornado — an F4 event occurring in Nebraska in May, 2004 — was almost 4.02 km (2.5 mi) across.
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