Cyclone Michaung, currently swirling over the Bay of Bengal and heading towards the Andhra coast, has unleashed torrential rain upon Tamil Nadu and Puducherry. Heavy rainfall was reported in north coastal Tamil Nadu, encompassing Chennai, Chengalpattu, Kancheepuram, Nagapattinam, and Cuddalore districts, with Thiruvallur district bearing the brunt of the downpour. Most parts of Chennai are submerged in water, with heavy inundation in low-lying areas. The cyclone is expected to make landfall between Nellore and Machilipatnam tomorrow noon.