Why would it suddenly go that high?
Cat 1: 74-95 mph
Cat 2: 96-110 mph
Cat 3: 111-129 mph
Cat 4: 130-156 mph
Cat 5: 157+ mph
Forgetting the fact the categories jump all over the place from a range of 21, to 14, to 18, to 26...even assuming just +25 mph jumps, you'd call Cat 5's 157-182...