The winds of a hurricane must be at least 119 km/h.
Hurricane Katrina had peak winds of 175 mph.
Hurricane Charley peaked as a strong category 4 hurricane with sustained winds of 150 mph.
If you are asking about a "category 5" hurricane classification the winds need to be 157 miles per hour or faster.
; Category One Hurricane: Winds 74-95 mph; Category Two Hurricane: Winds 96-110 mph; Category Three Hurricane: Winds 111-130 mph; Category Four Hurricane: Winds 131-155 mph; Category Five Hurricane: Winds greater than 155 mph
If you mean Katrina peak winds were 175 mph. If you mean Katia peak winds were 135 mph.
A category 4 hurricane has sustained winds of 131 to 155 mph.
Sustained winds in a hurricane are at least 74 mph. Some hurricanes have had winds as high as 190 mph.
By definition, a hurrricane has sustained winds of 74 mph or greater. Sustained winds have been recorded as high as 195 mph.
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.
The categorization of hurricanes is not based on how fast they travel, but on how fast the sustained winds within a hurricane move at their fastest. A category 5 hurricane has winds of 156 mph or greater.
They are fast winds, but defined as less swift than a hurricane
The worst winds in a hurricane is inside the eye of the hurricane.