Tamil Nadu Rain Live Updates: State braces for heavy rain amid IMD's 'red' alert, schools shut in 4 districts

The depression over the southwest Bay of Bengal has intensified into a deep depression, with its center currently located about 310km southeast of Trincomalee in Sri Lanka. The system, which has been moving north-northwest at a speed of 12km/h for the past six hours, is likely to further strengthen into a cyclonic storm by November 27. As of 8.30am today, the deep depression was around 590km south-southeast of Nagappattinam, 710km south-southeast of Puducherry, and 800km south-southeast of Chennai. The storm is projected to continue its north-northwestward movement, passing close to the Sri Lankan coastline before making its way toward the Tamil Nadu coast over the next two days.

With a weather system intensifying into a depression over the Bay of Bengal, the IMD on Monday issued a red alert for extremely heavy rainfall in three central districts on November 26 and two more districts on November 27.

As a weather system developed into a depression over the Bay, the IMD on Monday issued a red alert for extremely heavy rainfall in three central districts on Nov 26 and two districts on Nov 27. The yellow alert for heavy rainfall in Chennai was retained from Nov 27 to 29. Neighbouring Kancheepuram, Tiruvallur, and Chengalpet districts received both yellow and orange alerts from Nov 27 to 30. As of Monday night, the depression, moving at a speed of 18 kmph, was 740 km south-southeast of Nagapattinam and 940 km south-southeast of Chennai. It is expected to intensify into a deep depression within 12 hours and move toward the Sri Lanka-Tamil Nadu coasts in the next two days.

Delhi's air quality slightly improved to 'very poor' on Tuesday morning, with an AQI of 382, after experiencing 'severe' levels the previous week. Schools are instructed to operate in a hybrid mode (online and offline) for all classes until further notice, following a Supreme Court order and CAQM guidelines.