later on september 26, the jma upgraded xangsane to a severe tropical storm, whilst six hours later both the jma and the jtwc upgraded xangsane to typhoon with the jtwc reporting wind speeds equivalent to a category one typhoon. early the next day xangsane was upgraded to a category 2 typhoon and then over the next six hours xangsane rapidly intensified into a category 4 typhoon with wind speeds of 115 kts (130 mph, 215 km/h). meanwhile the jma reported that xangsane had reached its peak wind speeds of 85 kts (100 mph, 155 km/h). early that afternoon the jtwc reported that xangsane, had reached its peak wind speeds of 125 kts (145 mph, 230 km/h).