India, Jan. 10 -- The India Meteorological Department (IMD) has predicted heavy to very heavy rainfall across Tamil Nadu, including Chennai, till January 11, with a deep depression expected to cross Sri Lanka by January 10 afternoon.

A mix of yellow and orange alerts has been issued in Tamil Nadu. An orange alert has been sounded in Thiruvarur, Karaikal and Nagapattinam. While a yellow alert has been issued in several areas, including Chennai, Thanjavur, Sivagangai, Madurai and Thiruchirapalli, for heavy rain.

IMD said in a post on X at around 3 am on Saturday that the deep depression over southwest Bay of Bengal moved nearly northwestwards with a speed of eight kmph during past six hours, and lay centred at 11:30 pm of Friday January 9...