Chennai, Oct 1: The Regional Meteorological Centre (RMC) has forecast thunderstorms with moderate to heavy rainfall in isolated parts of Tamil Nadu, Puducherry, and Karaikal from Wednesday, warning fishermen against venturing into the sea due to rough weather conditions.
According to the RMC, an active atmospheric circulation over South India and the northern Andaman Sea is triggering unstable weather. A cyclonic circulation over the northern Andaman Sea is expected to develop into a low-pressure system over the central Bay of Bengal on Wednesday. The system is likely to intensify into a well-marked low-pressure area by October 2 and move towards southern Odisha and northern Andhra Pradesh, with landfall projected around October 3.
In Chennai, skies will remain partly cloudy, with chances of light to moderate rain accompanied by thunder and lightning. Maximum temperatures are expected at 34–35°C, while minimum temperatures may hover around 26–27°C.
Heavy Rain Alerts by Districts
October 2: Chengalpattu, Villupuram, Kallakurichi, Tiruvannamalai
October 3: Chengalpattu, Villupuram, Cuddalore, Kallakurichi, Ariyalur, Perambalur, Mayiladuthurai, and Puducherry
The Indian Meteorological Department has also issued a high-sea warning, cautioning fishermen against venturing into coastal waters of Tamil Nadu, the Bay of Bengal, Gulf of Mannar, and parts of the Arabian Sea due to rough and dangerous conditions.
Officials have urged residents to remain vigilant, avoid unnecessary travel during heavy showers, and adhere to safety guidelines.