Due to a lower atmospheric circulation prevailing over South India, moderate rain is likely in several parts of Tamil Nadu on Saturday (January 24). According to weather officials, coastal Tamil Nadu, Puducherry, Karaikal, and a few interior regions may experience thunderstorms accompanied by moderate rainfall until 10 AM.
Heavy rain is expected at isolated places in Chennai, Chengalpattu, Kancheepuram, Tiruvallur, Tiruvannamalai, Villupuram, and Cuddalore districts, for which a Yellow Alert has been issued. In total, 10 districts including Chennai, Chengalpattu, Tiruvallur, Kancheepuram, Villupuram, Cuddalore, Mayiladuthurai, Nagapattinam, Tiruvarur, and Thanjavur, along with Puducherry and Karaikal, are likely to receive moderate rainfall till Saturday morning.