In less than 24 hours the Bulletin of the Atomic Scientists will update the Doomsday Clock.
The official added that the rest of the State is expected to receive light to moderate rains for the next 24 hours.
Tamil Nadu Chief Minister M K Stalin on Monday urged Union Home Minister Amit Shah to intervene to facilitate early sanction of Rs 6230.45 crore flood relief to the state by the Centre.
The Regional Meteorological Centre (RMC) had two days ago said that coastal districts of Tamil Nadu will receive moderate showers on January 16 and 17.
The volunteers are still identifying people who have lost their houses in Chennai and neighbouring districts.
The rains intensified over the weekend, causing major flooding and landslides, along with the isolation of municipalities due to flooding.
The government was was working hard keeping in mind that the people should not feel the horrors of the previous monsoon in the next rainy season.
Six people died and 500 others evacuated from their homes as floods and landslides hit Indonesia's easternmost province of Papua, the country's disaster management agency said on Friday.
The debate also led to the announcement by Chief Minister MK Stalin that a probe committee will be formed to investigate all the irregularities that occurred during the previous AIADMK regime.
The Former Chief Minister and AIADMK Coordinator also urged the State to ensure that the food grains are stored and stocked in godown so that they are protected from heavy rains.