Hurricane Erin restrengthened back into a Category 4 storm Sunday night as it churned over the Atlantic Ocean north of the Caribbean.Erin, the first Atlantic hurricane of 2025, exploded to Category 5 on Saturday before weakening to a Category 3 storm early Sunday morning and regaining strength later in the day.

Hurricane Erin has turned into a Category 4 storm, rapidly powering up over the course of 24 hours, the National Hurricane Center said.