Hurricane Erin quickly intensified over the weekend, strengthening from a tropical storm into a Category 4 hurricane Friday into Saturday. It briefly strengthened into a Category 5 (the highest level ...

Hurricane Erin has reintensified into a Category 4 storm on Aug. 18, according to the National Hurricane Center. See where ...

Powerful Hurricane Erin restrengthened and became an extremely dangerous Category 4 hurricane as it continued its journey ...

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 ...

Some fluctuations in intensity are expected over the next couple of days due to inner-core structural changes.

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