sentences:  The Fujiwhara interaction had a significant impact on the track of Humberto, which made a quick turn to the northwest, and then to the north-northwest, early on August 25.The interaction came to an end that afternoon as Humberto completed the northerly turn, while remaining a Category 2 hurricane in the tropical waters of the central Atlantic.It began to gradually weaken on August 26 due to an increase in southwesterly shear from a nearby upper-level low as it maintained a north-northwest track.