sentences:  The system slowly moved toward the southwest for several days, gradually gaining the characteristics of a tropical cyclone; subsequent to turning westward and accelerating in forward speed, it became a hurricane at 0000 UTC on October 11.Steered by a ridge to the north, Hurricane Lili continued on its westward track.It never intensified significantly, and reached its peak intensity with windspeeds of 75 mph (120 km/h) and a minimum air pressure of 987 mbar (hPa; 29.15 inHg) concurrently with its upgrade into a hurricane.