S Balachandran, Deputy-Director General of Meteorology, Chennai said, "The well-marked low-pressure area has concentrated into a depression this morning. It is now located over the south-east bay and about 790 km from south-east of Chennai. Now, this system is likely to move in a north-westerly direction, which will further intensify into a deep depression by tomorrow. Further, it will intensify into a cyclonic storm. And it is expected to cross between Chennai and Machilipatnam by 4th December." 

 S Balachandran said that for the next four days in North Tamil Nadu, light to moderate rainfall was expected in major parts.