The CWA warned of torrential rain in mountainous areas of Taipei, Hsinchu and Miaoli, with heavy rain also forecast for areas north of Taichung and the north coast of Keelung. Rainfall in northern Taiwan is forecast to ease from Sunday evening. However, strengthened southwesterly winds combined with Dolphin's outer circulation are expected to bring heavy rain to southern Taiwan from Sunday night into Monday. Localized heavy rain is also possible Monday afternoon in the greater Taipei area and northern mountain regions. Separately, the CWA issued heavy rain advisories covering 12 cities and counties, warning of lightning, strong wind gusts, landslides, rockfalls, debris flows, swollen rivers and flooding in low-lying areas.