...CENTER OF DEBBY JUST OFFSHORE OF THE COAST OF SOUTH CAROLINA... ...MAJOR FLOOD THREAT CONTINUES FOR PORTIONS OF THE CAROLINAS... As of 8:00 PM EDT Wed Aug 7 the center of Debby was located near 32.7, -79.4 with movement N at 3 mph. The minimum central pressure was 994 mb with maximum sustained winds of about 60 mph.