Bailu was a TS tropical cyclone that formed in the Philippine Sea in 2019. The storm reached maximum sustained winds of 93 km/h (50 kt) with a minimum central pressure of 985 hPa. Tracking across the Philippine Seain the Western Pacific basin (, it potentially affected the Philippines, Taiwan and Japan. The storm traveled from approximately 12.6°111.8° to 25.5°135.1°, crossing a range of 13 latitude and 23 longitude.