Erin rapidly strengthened into a Category 5 hurricane over the Atlantic Ocean Saturday before weakening slightly to a Category 4 status, the National Hurricane Center said.

Hurricane Erin has re-intensified into a category 4 storm on Sunday after completing an eyewall replacement cycle, with the U.S. National Hurricane Center warning of life-threatening surf and rip cur...

While Erin's maximum winds diminished, the storm's overall size grew and forecasters issued tropical storm warnings for the Turks and Caicos Islands and a watch for the southeast Bahamas.

Nearly 155,000 utility customers are without power in Puerto Rico as Category 3 Hurricane Erin batters the Caribbean, bringing heavy rainfall and gusty winds to Puerto Rico and the Virgin Islands.

Hurricane Erin has turned into a Category 5 storm, rapidly powering up over the course of 24 hours, the National Hurricane Center said.