At 5 am on July 24, the Japan Meteorological Agency upgraded it to a tropical depression. At 8 o'clock in the morning, the Japan Meteorological Agency issued a gale warning, and the Central Meteorological Bureau of Taiwan upgraded it to a tropical depression, giving the number 11. At 11 am, the Hong Kong Observatory upgraded it to a tropical depression. In the afternoon, the Joint Typhoon Warning Center upgraded the rating to “High” and issued a tropical cyclone warning.