TN State Disaster Management Agency said that the depression is likely to intensify further into a cyclonic storm during the next 12 hours. P8I aircraft, Navy Dornier and Coast Guard Dornier also airborne for search and rescue.
According to media reports, seven fishing boats and one local fisherman, who ventured into the sea from Thiruvananthapuram district, earlier this morning, are "missing". Two ships each belonging to the Indian Coast Guard have been deployed from Kochi and Tuticorin. The system also had the potential of intensifying into a cyclonic storm around the latter part of the first week of December.
The Southern Naval Command was also gearing up for any humanitarian assistance and disaster relief that may be required in view of the cyclone in the southern parts of Kerala, defence statement added.
The Thiruvananthapuram-Trichy (22628) train have been cancelled between Thiruvananthapuram and Tirunelveli.
Schools and colleges in Chennai, Kanchipuram, Villupuram, Kanyakumari, Nellai, Theni, Dindigul, Madurai and Thoothukudihave been shut down and the authorities asked people to stay indoors in the wake of torrential rains and gusty winds.More news: No Christmas tree shortage in western MA
In the state capital of Thiruvananthapuram, strong winds uprooted many trees and snapped power cables at many places.
The India Meteorological Department (IMD) has already issued an alert of heavy to very heavy rainfall in both the states.
Squally weather has been forecast for towns along the south Kerala coast with winds up to 55 kmph blowing. "It is very likely to continue to move west-northwestwards across Lakshadweep Islands during next 24 hours and then move north/northeastwards during the subsequent 48 hours", said the bulletin.