Erin's sustained winds dropped to 110 mph overnight, making the storm a strong Category 2 hurricane on the Saffir-Simpson ...

If a storm is a Category 3, 4 or 5, it is deemed a "major" hurricane due to the potential for "significant loss of life and ...

Hurricane Erin raced from a Category 1 to a Category 5 storm. If Erin keeps ramping up, is there a Category 6?