According to the India Meteorological Department (IMD), a low-pressure area that formed over the southwest Bay of Bengal near the Sri Lankan coast on Sunday morning has intensified and continues to persist over the region. Weather models suggest that the system is likely to move west-north westwards over the next 24 hours, bringing widespread rainfall to several parts of Tamil Nadu. In response, IMD Chennai has issued an Orange Alert for seven districts, warning of extremely heavy rainfall on Monday.
In the 24 hours ending Monday morning, Thirparappu in Kanyakumari district recorded the highest rainfall at 6 cm, followed by 4 cm in Sembanarkoil in Mayiladuthurai district and 3 cm in Parangipettai in Cuddalore district.
With the system gradually strengthening, the IMD has forecast moderate thunderstorms and light to moderate rain across many coastal and interior districts today. Similar weather conditions—accompanied by thunder and lightning—are expected in both southern and northern districts on Tuesday.
Seven districts — Chennai, Chengalpattu, Tiruvallur, Kancheepuram, Mayiladuthurai, Nagapattinam, and Tiruvarur — along with the Karaikal region, have been placed under Orange Alert for the likelihood of extremely heavy rainfall on Monday. Residents in these areas have been advised to remain cautious, avoid waterlogged stretches, and follow directives issued by local authorities.
Meanwhile, Cuddalore, Villupuram, Thanjavur, Pudukkottai, Ramanathapuram, Thoothukudi, Tirunelveli, Kanyakumari, and the Union Territory of Puducherry are expected to receive heavy rain today. For Tuesday, the IMD has predicted heavy rainfall across the southern districts, including Kanyakumari, Tirunelveli, Thoothukudi, Ramanathapuram, Sivaganga, Virudhunagar, Tenkasi, and Theni.
Chennai and its suburbs are likely to experience overcast skies throughout the day, with isolated heavy to very heavy spells of rain. The Greater Chennai Corporation has placed field teams on alert to manage potential waterlogging, while residents have been urged to avoid unnecessary travel during peak showers.
With the northeast monsoon active and atmospheric conditions favouring intense precipitation, the IMD continues to monitor the developing system closely. Authorities have advised the public to stay updated through official weather bulletins and take necessary precautions.
— IANS
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