 <unk> environmental conditions caused weakening of the hurricane by September 4 as it resumed a west @-@ northwest course away from Hawaii . Conditions later became favorable and Uleki acquired winds of 105 mph ( 165 mph ) on September 7 , constituting its secondary peak . The hurricane crossed the International Dateline on September 8 and was reclassified as typhoon . <unk> well away from land , the cyclone steadily weakened to a tropical storm by September 12 . Gradually turning north and later east , the degrading cyclone transitioned into an extratropical cyclone four days later and ultimately dissipated on September 17 near the International Dateline . 
