Chennai, Dec 2: The India Meteorological Department (IMD) has issued a red alert for extremely heavy rainfall at isolated places across Tamil Nadu. In response, authorities have declared the closure of schools and colleges in Chennai, Tiruvallur, Kancheepuram, and Chengalpattu as a precautionary measure.

According to the IMD's latest bulletin, the deep depression located around 50 km east of Chennai is likely to weaken into a depression and move closer to about 30 km from the city in the next 12 hours. As a result, one or two places in Tamil Nadu, Puducherry, and Karaikal are likely to experience light to moderate rain with thunderstorms. Heavy rain is likely in isolated pockets of Chennai, Tiruvallur, Chengalpattu, and Kancheepuram.

The weather office has also indicated that rainfall activity will continue from Wednesday until December 5 in parts of Tamil Nadu, Puducherry, and Karaikal, accompanied by thunder and lightning in some areas.


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Following the heavy rain alert, District Collectors of the four affected districts announced the closure of educational institutions for the day as a precautionary measure. Madras University and Anna University have also postponed the semester examinations scheduled for Tuesday, with revised dates to be announced later.

Authorities have urged residents to remain cautious, and follow further advisories.

Three people have died in rain-related incidents caused by Cyclone Ditawh in Tamil Nadu, informed the senior authorities.