The Regional Meteorological Centre (RMC) has issued an orange alert for 11 districts in Tamil Nadu from October 12-15. The districts, where the orange alert was issued, were Kanyakumari, Ramanathapuram, Tirunelveli, Thanjavur, Thiruvarur, Nagapattinam, Myladuthurai, Ariyalur, Perambalur, Thoothukudi and Tenkasi.