The cyclonic storm Nada, that was expected to hit coastal areas of Tamil Nadu weakened into a depression, and made a landfall this morning between Nagapattinam and Vedaranyam, the MeT Department said.
"A large chunk of the depression has crossed coast early morning. However, over 25% of the system is yet to make the land fall which will happen soon," a MeT official said.
Area cyclone warning centre director S Balachandran said, "Moderate rainfall at many places and heavy rainfall at 1-2 places. We are monitoring the eastern side. Depression is getting weakened. Fishermen are advised not to work for the next 12 hours."
He said mild to moderate rain coupled with squally winds were being witnessed in parts of Tamil Nadu.
Cyclone Nada, which weakened into a deep depression on Thursday, moved West-North-West wards and became a depression about 40 km East-south-East of Karaikkal (Puducherry Union Territory), the official said.
Meanwhile, top government authorities said the situation is being monitored continuously.