The weather department has warned that districts including Nilgiris, Coimbatore, Erode, Tiruppur, Dindigul, Madurai, Theni, Tenkasi, Virudhunagar, Tirunelveli, Kanniyakumari, Sivaganga, Ramanathapuram, Thoothukudi, Thanjavur, Tiruvarur, Nagapattinam, Mayiladuthurai and Pudukkottai could receive heavy rainfall with thunder and lightning.
Between May 9 and May 10, rain activity is expected to intensify further in districts such as Tiruchirappalli, Namakkal and Karur as well. Gusty winds reaching speeds of 40 to 50 kmph may accompany thunderstorms in several places.
On May 11, southern and delta districts are likely to continue receiving heavy rainfall, while from May 12 to May 13, coastal and southern districts including Cuddalore, Ramanathapuram, Tirunelveli, Thoothukudi and Kanniyakumari may experience intense showers at isolated places.