Khanun was a TS tropical cyclone that formed in the Philippine Sea in 2017. The storm reached maximum sustained winds of 139 km/h (75 kt) with a minimum central pressure of 955 hPa. Tracking across the Philippine Seain the Western Pacific basin (, it potentially affected the Philippines, Taiwan and Japan. The storm traveled from approximately 16.9°109.4° to 20.8°124.7°, crossing a range of 4 latitude and 15 longitude.