Light to Moderate Rain with TS and lightning is likely to occur at isolated places over CHGP Chennai, CDL, DRM, DIND, Erode, KNC, Karur, KRSH, MDR, NMKL, Ranipet, Tenkasi, Theni, TVL, TRP, TRN, TPT, TRP, TRMLI, VLR, VLP, VRD, KKL, PDC in next 3 hours.