https://en.wikipedia.org/wiki/Hypercane

There theoretical cyclones that have winds up to 500 mph with wind gust to up to 600 mph. They have there own exclusive features such as there clouds would extend up to the upper stratsphere and they're usually as small as tropical cyclone tracy or can be as big as typhoon tip or almost half of north america. They can also damage the ozone layer which lets UV rays into the planet.