The Chennai Meteorological Department has issued an advisory stating that 25 districts across Tamil Nadu will experience heavy rain with thunder and lightning in the next 2 hours. An orange alert has been issued for Tiruvallur, Cuddalore, Perambalur and Ariyalur districts, while moderate rain is likely in Chengalpattu, Kanchipuram, Villupuram, Theni, Thoothukudi and Tenkasi districts, the Chennai
