Tamil Nadu to see heavy rain, thunderstorms till May 31

Tamil Nadu is expected to witness heavy rainfall, thunderstorms, and strong winds till May 31 due to upper air cyclonic circulation systems. Several districts including Coimbatore, Nilgiris, Dindigul, and Theni are on alert for heavy showers. The rain is likely to bring relief from the scorching summer heat, while wind speeds may reach up to 50 kmph in some regions.