 It then took on a more north-northwesterly track, weakening while undergoing an eyewall replacement cycle on September 14.However, it restrengthened, reaching its maximum intensity of 110 knots (205 km/h, 125 mph) from the JMA and 120 knots (220 km/h, 140 mph) from the JTWC before passing Iriomote on September 15.Originally expected by the JTWC to pass to the east of Okinawa Island, a subtropical high-pressure ridge south of the main Japanese islands forced the storm to take a more westward track, pushing it towards Taiwan.