There is no such thing as a category 6 hurricane or tropical storm – yet. But a combination of warmer oceans and more water in the atmosphere could make the devastation of 2017 pale in comparison The top of the scale for the most powerful, most devastating hurricane or tropical storm capable of destroying entire cities like New Orleans or New York – is a category 5 storm. Meteorologists and scientists never imagined that there would be a need for a category 6 storm, with winds that exceed 200 miles per hour on a sustained basis, sweeping away everything in its path. Until now, such a storm wasn’t possible, so there was no need for a new category above category 5.
Guardian 15th Sept 2018 read more »