Erin, the first hurricane to develop over the Atlantic this year, became post-tropical on Friday afternoon, the National Hurricane Center said.

Erin is starting to turn away from the United States but don’t breathe a sigh of relief just yet: The massive hurricane is still churning up the Atlantic Ocean, keeping dangerous conditions in place for more than 1,

On Thursday, Hurricane Erin was several hundred miles off the coast of North Carolina and pushing storm surge and deadly rip currents toward the shore. Three other systems may form right behind.