Rain Alert: Due to an atmospheric low-pressure trough extending from the Bay of Bengal to the Arabian Sea, several parts of Tamil Nadu are expected to receive moderate to heavy rainfall with thunderstorms until May 31. The Chennai Meteorological Centre has issued a yellow alert for districts including Coimbatore, Salem, Theni, Dindigul, Erode, Nilgiris, Tiruppur hill areas, and Kanyakumari. Strong