As concerned to me,the speed of hurricane is about 5x10-32M/S
The fastest the wind has ever blow has not been recorded, because it might have in any time in history.
But the winds of a Tropical...
Hurricane Irene had peak sustained winds of 120 mph with one gust recorded at 140 mph. By the time Irene hit the U.S. however, the sustained winds had weakened to 85 mph.