New Delhi, Aug. 13 -- The India Meteorological Department (IMD) has predicted rainfall in several districts of Tamil Nadu, including the capital Chennai, which could trigger waterlogging and traffic congestion. In its Wednesday bulletin, the weather agency forecast light thunderstorms with lightning and light to moderate rain in one or two places in the Ghat areas of Coimbatore, Chengalpattu, Kanchipuram, Tenkasi, and Tirunelveli. "This could cause waterlogging, slippery roads, and traffic delays in some areas," the IMD said.

The department also said light to moderate rain is likely in Tiruvallur, Chennai, Nilgiris, and Kanyakumari.

Light rain may also occur in Tirupattur, Vellore, Tiruvannamalai, and Theni.

A heavy rain warning has al...