...CENTER OF DEBBY NOW OFFSHORE OF THE COASTS OF GEORGIA AND SOUTH CAROLINA... ...MAJOR FLOOD THREAT FOR PORTIONS OF THE SOUTHEASTERN UNITED STATES THIS WEEK... As of 8:00 PM EDT Tue Aug 6 the center of Debby was located near 31.8, -80.6 with movement ENE at 3 mph. The minimum central pressure was 997 mb with maximum sustained winds of about 40 mph.