The IMD has issued heavy rainfall warning for several states/UTs for October 12 (Sunday). It is very likely over parts of Andhra Pradesh, Kerala, Lakshadweep, Odisha, Karnataka, Tamil Nadu and Puducherry. Meanwhile, thunderstorms accompanied with lightning and gusty winds (30-40 kmph) are very likely at isolated places over Andhra Pradesh, Kerala, Puducherry, Lakshadweep, Odisha and Telangana.