Hurricane Katrina made landfall on August 29, 2005, primarily affecting the Gulf Coast of the United States, and became one of the deadliest hurricanes in U.S. history.

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),