The trough of low which was in Srilanka yesterday has moved slightly North West towards Gulf of Mannar (GOM) and persists. As expected this has increased the rainfall over Pondicherry, Cuddalore, Nagapatinam and Neyveli. Computer based Numerical models estimates this slow moving trough to move further North West and give another spell of heavy rains for North Coastal TN, including Chennai, Kanchipuram and Tiruvallur districts.
Heavy to very heavy rains are possible between Nagapattinam to South Andhrapradesh stretch and the movement is closely under watch for further specific alerts.
Very heavy rainfall alert:
Nagapattinam, Cuddalore districts and Pudhucherry
Heavy rainfall alert:
Chennai, Tiruvallur and Kancheepuram Districts
Subject to trough movement which is being monitored