 After having tracked over land for about 10 hours, the eye of Irene became cloud-filled, although the center remained well-defined on radar images.Early in the evening of August 27, Irene re-emerged into the Atlantic near the southern end of the Chesapeake Bay in Virginia as a marginal Category 1 hurricane, slowly weakening as it continued northward and weakening to a tropical storm early on August 28.Shortly before sunrise, at 5