Overview
- IMD has issued yellow alerts for 11 districts including Chennai, Tiruvallur, Kancheepuram, Chengalpattu, and the delta belt, with the city on alert Sunday and Monday.
- RMC forecasts heavy rain in four delta districts on November 16, widespread intense rain across 11 delta and coastal districts on November 17, heavy rain over extreme south coast on November 18, and broader showers with isolated heavy spells on November 19.
- Fishermen have been advised to stay ashore due to strong coastal winds that may reach about 55 km/h, with dense clouds and very heavy rain flagged near Thoothukudi and Ramanathapuram.
- Chennai is forecast to see light rain through the weekend followed by periods of heavy rain on November 17 and continued cloudy, wet conditions into November 19.
- Recent observations include 9 cm in Oothu (Tirunelveli) and light to moderate showers in Chennai suburbs and Pamban, as officials warn of waterlogging and traffic disruptions and note the potential to offset a slight seasonal rainfall deficit.