
Hurricane categories range from 1 (76 mile-an-hour winds) to 5 (174 mph and up). There is no category 6, not even for record breaking storms like Irma.
Source: LifeHacker – There’s No Such Thing as a Category 6 Hurricane

Hurricane categories range from 1 (76 mile-an-hour winds) to 5 (174 mph and up). There is no category 6, not even for record breaking storms like Irma.
Source: LifeHacker – There’s No Such Thing as a Category 6 Hurricane