 One of the longest lasting Western Pacific system on record began its long life on August 16 in the South China Sea , having formed from the monsoon trough . It drifted to the southwest , then looped back to the northwest , becoming a tropical storm on August 18 . Wayne turned to the northeast and became a typhoon on August 19 . In Hong Kong , winds gusted to 78 knots ( 144 km / h ) at Tate 's Cairn . The typhoon passed offshore of southeastern China and hit western Taiwan on August 22 . Wayne turned back to the south and southwest . Vertical shear caused Wayne to weaken to a depression on August 25 . Wayne turned back to the northeast , rotating around Vera . Once Vera accelerated away , Wayne drifted northeastward through the South China Sea , becoming a tropical storm on August 27 . 
