Harvey passed 45 miles ( 75 km ) south of Bermuda early on August 4 , with winds of 60 mph ( 90 km\/h ) , before removing its subtropical characteristics to become a `` fully tropical '' storm . Harvey passed 45 miles ( 75 km ) south of Bermuda early on August 4 , with winds of 60 mph ( 90 km\/h ) , before shedding its subtropical characteristics to become a `` fully tropical '' storm .