CHENNAI: The low pressure system likely to form on Wednesday, is expected to bring heavy to very heavy rain to coastal Tamil Nadu from November 25.
The IMD has issued an orange alert (very heavy rainfall) for Chennai on November 26 and 27 and for its neighbouring districts between November 25 and 27.
As per the IMD bulletin released on Tuesday evening, the low pressure area is likely to form over southwest Bay of Bengal during the next 24 hours. It is likely to move west-north westwards towards Sri Lanka and south Tamil Nadu coast.
“The system is going to form over east of Sri Lanka. As it moves, there will be rain in Chennai and north coastal Tamil Nadu on November 25, 26 and 27. There are chances of heavy to very heavy rainfall over Chennai, Chengalpettu, Kanchipuram and Tiruvallur on November 26 and 27,” said N Puviarasan, director, Area Cyclone Warning Centre, IMD, Chennai in a press meet on Tuesday. “There is no chance of the system strengthening into a cyclone,” he added.
Before rainfall spreads to northern districts, thunderstorms with heavy rainfall are likely in isolated places over a few southern and delta districts on Wednesday. Chennai will have respite from rain on Wednesday as well.
For the next 48 hours, IMD has forecast light to moderate rain over some areas in the city and its suburbs. Maximum and minimum temperatures are likely to be around 32 deg C and 25 deg C. “Initially, rains will be heavy over southern parts from Pambam to Cuddalore around November 25. By November 26, rains will be intense over northern parts of Tamil Nadu and south coastal Andhra Pradesh. It will continue till November 28,” said a Skymet Weather online post.