Chan-Hom was a C1 tropical cyclone that formed in the East China Sea in 2003. The storm reached maximum sustained winds of 157 km/h (85 kt) with a minimum central pressure of 940 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 4.0°147.9° to 35.3°170.7°, crossing a range of 31 latitude and 23 longitude.