The Regional Met department has predicted that the cyclonic circulation over Southeast Bay of Bengal and neighborhood now lies over Central parts of Southeast Bay of Bengal. Due to its influence, a low-pressure area is likely to form over the Southwest Bay of Bengal during the next 24 hours. It is likely to move west north westwards towards Srilanka and South Tamil Nadu Coast.
The prevailing system in the Bay of Bengal is likely to bring heavy rains with thunderstorms in the South and delta districts of the State till the
27th of this month. Heavy rainfall is likely to occur at isolated places in North Tamil Nadu for three days from 25th. Though a red alert is not given this time, orange and yellow alerts indicate heavy to heavy rain ranging from 12 to 20 cm.
Fishermen have been advised not to go to the season 26th and 27th due to squally weather and heavy rains in Coastal Tamilnadu and South Andhra. Chennai and suburban areas have been experiencing light to moderate rains since yesterday.