A cyclone alert has been sounded for areas in north Tamil Nadu and south coastal Andhra Pradesh, said the meteorological department.
A cyclonic build-up has been observed in the Bay of Bengal which will intensify into a cyclone in 24 to 48 hours. The area is around 90 km from Chennai. The wind speed may reach 75 kmph, said officials.
Fishermen have been warned against going to the sea as very heavy rainfall is likely to lash Chennai, parts of Tamil Nadu and Puducherry. The depression that brought rain aplenty to Chennai was to cross the north Tamil Nadu coast on 18 May.
Rain will gradually decrease over Chennai and it would be sunshine from Friday, said the weatherman.
With the depression lying 125 km southeast of Chennai, a torrential rain accompanied by lightning and thunder lashed several parts of the city. The downpour continued through the day too throwing traffic out of gear in arterial roads.
Chembarambakkam in Chennai received the highest volume of rainfall of 11 cm, Guindy registered 9 cm and both Meenambakkam and Nungambakkam received 7 cm till 8.30 a.m. on Tuesday.
While Nungambakkam got registered 6.7 cm of rainfall, Meenambakkam received 7.1 cm till 5.30 p.m. On 17 May. Areas such as Chembarambakkam and Avadi too received 5 cm and 4 cm rainfall, respectively.