Kalmaegi was a C1 tropical cyclone that formed in the Western Pacific in 2025. The storm reached maximum sustained winds of 167 km/h (90 kt) with a minimum central pressure of 950 hPa. Tracking across the Western Pacificin the Western Pacific basin (, it potentially affected Japan, the Philippines, Korea, China and Taiwan. The storm traveled from approximately 9.8°108.4° to 13.9°138.1°, crossing a range of 4 latitude and 30 longitude.