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

Hurricane Erin has developed into a category 5 hurricane as of Saturday morning, according to the National Hurricane Center.

As of Saturday morning, Air Force Reserve Hurricane Hunter aircraft indicated that Erin has become a Category 5 hurricane.

Hurricane Erin, now a Category 5 storm, with maximum sustained winds of 160-mph, is expected to continue strengthening.

Hurricane Erin is now a Category 5 storm, the highest on the class, rapidly intensifying overnight into early Saturday ...

Hurricane Erin on Saturday strengthened into a fearsome Category 5 hurricane with sustained winds of 160 mph as the storm traveled west over the Atlantic, according to the National Hurricane Center.

Travelers on the Outer Banks should be aware of possible disruptions next week caused by Hurricane Erin as it intensified into a Category 5 hurricane on the Saffir-Simpson Wind Scale overnight, ...