There is no such thing category 6 hurricane. Any hurricane with winds over 155 mph is a category 5.
Hurricane Charley peaked as a strong category 4 hurricane with sustained winds of 150 mph.
A category 4 hurricane has sustained winds of 131 to 155 mph.
The first category of a hurricane is category 1.
Category two
Hurricane Andrew was a Category 5 hurricane with 175 mph winds. The pressure was 922 mbar.
Hurricane Charley peaked as a strong category 4 hurricane with sustained winds of 150 mph.
; 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
A hurricane with 230 km/h sustained winds would be a category 4. Hurricanes don't actually travel that fast.
A category 4 hurricane has sustained winds of 131 to 155 mph.
Hurricane Isabel was a category 5 hurricane.
The first category of a hurricane is category 1.
Hurricane Michael was a Category 5 hurricane. It made landfall in the Florida Panhandle on October 10, 2018, with maximum sustained winds of 160 mph. It was the first Category 5 hurricane to make landfall in the United States since Hurricane Andrew in 1992.
It was a category 1 hurricane.
Category two
Hurricane Andrew was a Category 5 hurricane with 175 mph winds. The pressure was 922 mbar.
Hurricane Tanya was a category 1.
Hurricane Arthur (2014) was a category 2 hurricane.