Nepartak was a TS tropical cyclone that formed in the East China Sea in 2009. The storm reached maximum sustained winds of 83 km/h (45 kt) with a minimum central pressure of 992 hPa. Tracking across the East China Seain the Western Pacific basin (, it potentially affected Japan, Korea, Taiwan and eastern China. The storm traveled from approximately 15.3°141.9° to 33.3°158.8°, crossing a range of 18 latitude and 17 longitude.