The Category 2 hurricane saw its winds weaken to as low as 100 mph on Aug. 19 as its north side battled winds, but the National Hurricane Center said early on Aug. 20 that the storm had reformed an inner eye wall, and a Hurricane Hunter mission this morning is expected to help the center determine if winds have increased in response.

Hurricane Erin, a massive and dangerous Category 2 storm with winds of 100 mph, will make its closest approach to the United States beginning Wednesday, after nine days of churning across the Atlantic.