The Regional Meteorological Centre (RMC) has forecast heavy rainfall accompanied by strong winds in five districts of Tamil Nadu on Saturday, while predicting moderate rain across several parts of the State, Puducherry and Karaikal over the next week. According to the weather department, an atmospheric trough currently extends from East Vidarbha to Tamil Nadu, passing through Telangana and Andhra Pradesh. The prevailing weather system is expected to enhance rainfall activity across Tamil Nadu in the coming days. The RMC has issued a heavy rain warning for the districts of Nilgiris, Erode, Salem, Dharmapuri and Krishnagiri on Saturday. These districts are likely to experience intense showers accompanied by gusty winds, officials said. Apart from these areas, moderate rainfall coupled with strong winds is expected at isolated places in the Western Ghats districts, the Cauvery delta region and parts of north Tamil Nadu. The weather department has advised residents in vulnerable areas to remain cautious, especially in regions prone to waterlogging and landslides. The rainfall activity is expected to continue over the weekend. The meteorological centre has …