New Delhi, Nov. 16 -- A low-pressure area over the southwest Bay of Bengal, off the Sri Lanka coast, is likely to bring heavy rainfall to parts of Tamil Nadu from today, including the capital, Chennai. The Regional Meteorological Centre (RMC) in Chennai has issued an orange alert for four districts - including Tiruvarur, Nagapattinam and the Karaikal region - warning of very heavy rainfall between 12 and 20 cm on Sunday. Additionally, five districts, including Ramanathapuram and Sivagangai, are expected to receive heavy rain.

The weatherman in it's forecast also predicted light to moderate rain accompanied by thunderstorms and lightning in Ariyalur, Cuddalore, Mayiladuthurai, Nagapattinam, Thanjavur, Tiruvarur and Viluppuram districts of...