depression, six hours later. At 01:00 UTC the next day, the JTWC recognized the system and gave a medium chance of formation. Storm names Within the Northwest Pacific Ocean, both the Japan Meteorological Agency (JMA) and the Philippine Atmospheric, Geophysical and Astronomical Services Administration (PAGASA) assign names to tropical cyclones that develop in the Western Pacific, which can result in a tropical cyclone having two names. The Japan Meteorological Agency's RSMC Tokyo — Typhoon Center assigns international names to tropical cyclones on behalf of the World Meteorological Organization's Typhoon Committee, should they be judged to have 10-minute sustained windspeeds of . PAGASA names to tropical cyclones which move into or form as a tropical depression in their area of responsibility located between 135°E and 115°E and between 5°N and 25°N even if the cyclone has had an international name assigned to it. The names of significant tropical cyclones are retired, by both PAGASA and the Typhoon Committee. Should the list of names for the Philippine region be exhausted then names will be taken from an auxiliary list of which the first ten are published each season. Unused names are marked in . International names During the season, 22 tropical storms developed in the Western Pacific and each one was named by the JMA, when the system was judged to have 10-minute sustained windspeeds of 65 kilometres per hour (40 mph). The JMA selected the names from a list of 140 names, that had been developed by the 14 members nations and territories of the ESCAP/WMO Typhoon Committee. Retired names, if any, will be announced by the WMO in 2023; though replacement names will be announced in 2024. During the season, the names Surigae, Koguma, Cempaka and Nyatoh were used for the first time after they replaced Mujigae, Koppu, Melor and Meranti, which were retired following the 2015 and 2016 seasons. Philippines During the season, PAGASA used its own naming scheme for the 15 tropical cyclones, that either developed within or moved into their self-defined area of responsibility. The names were taken from a list of names, that was last used during 2017 and are scheduled to be used again during 2025. All of the names are the same except Uwan and Verbena which replaced the names Urduja and Vinta after they were retired. Retirement After the season, on March 21, 2022, PAGASA removed the names Jolina, Maring and Odette from