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Tamil Nadu Braces for Heavy Rainfall as Low-Pressure Area Intensifies
Chennai, India – Tamil Nadu is bracing for heavy rainfall starting today as a low-pressure area intensifies over the southwest Bay of Bengal, off the coast of Sri Lanka. The Regional Meteorological Centre (RMC) in Chennai has issued an orange alert for Tiruvarur, Nagapattinam, and the Karaikal region, warning of very heavy rainfall between 12 and 20 cm on Sunday.
Five other districts, including Ramanathapuram and Sivagangai, are also expected to receive heavy rain. Light to moderate rain, accompanied by thunderstorms and lightning, is forecast for Ariyalur, Cuddalore, Mayiladuthurai, Nagapattinam, Thanjavur, Tiruvarur, and Viluppuram districts, as well as Puducherry.
The India Meteorological Department (IMD) predicts light to moderate showers for November 17th across several parts of Tamil Nadu, with isolated thunderstorms and lightning in Tamil Nadu, Puducherry, and Karaikal. Heavy rainfall is also expected in isolated locations across Tiruvallur, Chennai, Kancheepuram, Chengalpattu, Villupuram, Kallakurichi, Cuddalore, Mayiladuthurai, Nagapattinam, Tiruvarur, and Thanjavur districts.
As of 5:30 am today, the low-pressure area remained nearly stationary. Meteorological officials state that the associated cyclonic upper-air circulation extends up to 5.8 km above mean sea level and tilts southwestward with height. The system is expected to slowly move in a west-northwest direction over the next 24 hours.
Weather patterns including “upper air cyclonic circulation” persists over south Bangladesh, a “cyclonic circulation” remains active over the southeast Arabian Sea and the adjoining South Kerala coast
The intensifying low-pressure area, evolving from an upper-air cyclonic circulation observed on Friday, is expected to reinvigorate the Northeast monsoon after a period of relative calm. Residents are advised to stay informed and take necessary precautions.
First Piper 