The Central Weather Administration (CWA) issued an extremely heavy rain advisory at 0105 hours (local time) on Monday (24 August).

• A torrential rain advisory or extremely torrential rain advisory is in effect for Tainan City, Kaohsiung City, and Pingtung County mountain areas from late Sunday night through late Monday afternoon (24 August).
• An extremely heavy rain advisory or torrential rain advisory is in effect for Pingtung County, Hengchun Peninsula, Hualien County mountain areas, and Taitung County mountain areas during the same period.
• A heavy rain advisory or extremely heavy rain advisory is in effect for Taichung City mountain areas, Nantou County mountain areas, Chiayi County, Yilan County, Hualien County, Taitung County, Lanyu Islands, and Penghu County.
• A heavy rain advisory is in effect for North Coast, New Taipei City mountain areas, Taoyuan City mountain areas, Hsinchu County mountain areas, Miaoli County mountain areas, Taichung City, Changhua County, Nantou County, Yunlin County, Chiayi City, and Ludao Islands.