Several districts in Tamil Nadu witnessed heavy rainfall due to a low-pressure system over the southeast Bay of Bengal and the adjoining equatorial Indian Ocean. The continuous downpour brought significant waterlogging in various regions, with Kodiakkarai recording the highest rainfall of 182.4 mm over the past 24 hours, ending at 8 AM on December 12.
Other areas that recorded substantial rainfall include Talaignayiru with 146.4 mm, Velankanni with 130.6 mm, Maduranthakam with 117.3 mm, and Kolathur, Chennai, with 113.1 mm. Chennai’s Madhavaram, Perambur, and Red Hills received 109.2 mm, 105 mm, and 102.6 mm, respectively.
In the delta region, Mayiladuthurai and Thirukuvalai saw 104.2 mm each, while Vedaranyam recorded 99.9 mm. Other notable rainfall figures include Thiruvottiyur (96 mm), Puzhal (95.1 mm), Nagapattinam (86.2 mm), and Thindivanam (84.4 mm).
The relentless rain has led to waterlogging in low-lying areas, disrupting daily life and transportation. Authorities are closely monitoring the situation and have urged residents in vulnerable regions to remain cautious.