...CATASTROPHIC, HISTORIC FLOODING CONTINUES OVER PORTIONS OF THE SOUTHERN APPALACHIANS, THOUGH THE RISK FOR ADDITIONAL HEAVY RAINFALL CONTINUES TO WANE... As of 4:00 AM CDT Sat Sep 28 the center of Helene was located near 37.3, -87.9 with movement SE at 3 mph. The minimum central pressure was 992 mb with maximum sustained winds of about 25 mph.