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?

Erin, once a Category 5 hurricane over the weekend that more than doubled wind speed to nearly 160 mph, on Monday morning ...

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

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

Hurricane Erin restrengthened into a Category 4 storm late Sunday, with forecasters warning it is expected to intensify and ...

Hurricane Erin was a Category 4 storm again Monday morning and is expected to grow even larger and stronger, according to the ...

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 ...

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

Hurricane Erin briefly strengthened into a Category 5 storm. It is not expected to make a direct hit on the U.S. but will ...

Hurricanes are categorized 1-5 on the Saffir-Simpson Scale, based solely on their maximum one-minute sustained wind speed 10 meters above the surface. This categorization does not consider the radius ...

Hurricane Iona has strengthened into a Category 3 storm far southeast of the Hawaiian Islands. The NHC is also tracking more in the Pacific.