 Moderate to strong northeasterly vertical wind shear hampered the development of this tropical cyclone throughout its life cycle . Between July 10 and July 12 , its predecessor disturbance marched westward with little development . Observations from Yap late on July 12 verified the existence of a developing low @-@ level center , and it was upgraded to a tropical depression at this time . Moving west @-@ northwest along the southern periphery of the subtropical ridge , Winona made landfall on Luzon during the afternoon of July 15 . Rainfall at Clark Air Force Base totaled 81 @.@ 5 millimetres ( 3 @.@ 21 in ) . Damage to Clark Air Force Base totalled US $ 250 @,@ 000 ( 1982 dollars ) . Two died and 5000 were left homeless in the Philippines were left homeless by the ensuing flood . <unk> in the South China Sea , the cyclone reached its peak intensity on the afternoon of July 16 . Thereafter , wind shear took its toll and the cyclone began to weaken . The cyclone revealed an exposed low @-@ level center on July 17 , and the system dissipated before reaching the China / Vietnam coast on July 18 . Winds gusted to 50 knots ( 93 km / h ) at Tate 's Cairn . 
