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 strengthened into a fearsome Category 5 hurricane with sustained winds of 160 mph for much of the day on Aug. 16 as it traveled west just north of the Virgin Islands, according to the National Hurricane Center.