...DEBBY STRENGTHENING AS IT HEADS TOWARD THE FLORIDA BIG BEND AREA... ...WILL BRING A MAJOR FLOOD THREAT TO THE SOUTHEASTERN UNITED STATES THIS WEEK... As of 8:00 PM EDT Sun Aug 4 the center of Debby was located near 28.1, -84.1 with movement N at 12 mph. The minimum central pressure was 992 mb with maximum sustained winds of about 70 mph.