A hurricane with maximum sustained winds of at least 157 mph is considered to be a Category 5 cyclone on the Saffir-Simpson Hurricane Wind Scale.

The rapidly developing hurricane that shows no signs of stopping won’t technically become a Category 6 because the category doesn't exist at the moment. But it could soon reach the level of a hypothetical Category 6 experts have discussed and stir up arguments about whether the National Hurricane Center’s long-used scale for classifying hurricane wind speeds from Category 1 to 5 might need an overhaul.

Milton has rapidly intensified into a category 5 hurricane, the U.S. National Hurricane Center said on Monday. Milton is located about 735 miles (1175 km) southwest of Tampa, Florida, with maximum sustained winds of 160 mph (250 kph),