High alert as Cyclone Nivar inches close to Chennai, heavy rains across TN

Chennai: The severe cyclonic storm ‘Nivar’ over southwest Bay of Bengal moved west-northwestwards with a speed of seven kmph during past six hours and lay centred over southwest Bay of Bengal about 290 km east-southeast of Cuddalore, about 300 km east southeast of Puducherry and 350 km south southeast of Chennai.

It is very likely to intensify further into a very severe cyclonic storm during the next 12 hours, a bulletin issued by the Met office said today.

It is likely to move northwestwards and cross Tamilnadu and Puducherry coasts between Karaikal and Mamallapuram around Puducherry during midnight of today and early hours of tomorrow as a very severe cyclonic storm with a wind speed of 120-130 kmph gusting to 145 kmph.


Under its influence, fairly widespread to widespread rains and thunderstorm activity is very likely over coastal and north interior Tamilnadu, Puducherry and Karaikal, south coastal Andhra Pradesh and Rayalaseema for two days.

Isolated extremely heavy rainfall activity is also very likely over coastal and north interior Tamilnadu and Puducherry (Thanjavur, Tiruvarur, Nagapattinam, Cuddalore, Chennai, Kanchipuram, Chengalpattu, Myladuthirai, Ariyalur, Perambalur, Kallakurchi, Villupuram, Tiruvannamalai, Puducherry and Karaikal districts) today.

Gale wind speed reaching 100-110 kmph gusting to 120 kmph is prevailing over Southwest Bay of Bengal. It would further increase becoming 120-130 kmph gusting to 145 kmph from today afternoon to early tomorrow morning.

Squally wind speed reaching 50-60 kmph gusting to 70 kmph is prevailing along and off Tamil Nadu, Puducherry and adjoining South Andhra Pradesh coast and over Gulf of Mannar.

120-130 KMPH

It will gradually increase and become gale wind speed reaching 120-130 kmph and gusting to 145 kmph along and off coastal districts of north TamilNadu and Puducherry (Nagapattinam, Karaikal, Mayiladuthurai, Cuddalore, Puducherry, Villupuram and Chengalpattu) and 80-90 gusting to 100 kmph very likely over Tiruvarur, Kanchipuram, Chennai, Tiruvallur districts
during the same period.

Gale wind speed reaching 65-75 kmph and gusting to 85 kmph is very likely over adjoining westcentral Bay of Bengal and along and off South Andhra Pradesh (Nellore and Chittoor districts), Gulf of Mannar and along and off south coastal districts of TamilNadu during the same period.

Sea condition is very high over Southwest Bay of Bengal and very rough to high along and off Tamilndu, Puducherry, south Andhra Pradesh coasts and over Gulf of Mannar.


Met office said as the cyclonic storm moved closer to the Chennai coast and would intensify further into a very severe cyclonic storm, local Cautionary signal Number 10 was hoisted at Chennai, Cuddalore and Puducherry ports.

Local cautionary signal No.9 was hoisted at Ennore and Kattupalli Ports and No.8 at Nagapattinam and Karaikal ports.

High Tidal waves in the range of 3.0-5.8 meters are forecasted till 2330 hrs today along the coast of Northern Tamilnadu from Point Calimer to Pulicat.


Even as the severe cyclonic storm ‘Nivar’ inched towards the Tamilnadu coast, the PWD authorities opened the sluice gates of the Chembarambakkam reservoir, which was fast filling to its full level of 24 ft. Official sources said flood warning was issued to people in low lying areas along the Adyar. Also, people living in low lying areas in Saidapet and Nandanam were evacuated to safe places.

The flood warning was issued to low-level areas along Adyar river and surplus courses such as Kundrathur, Sirukalathur, Tirumudivakkam and Tiruneermalai.

The Adyar river has been widened to carry up to one lakh cusecs in the downstream stretch near Saidapet, officials said.


NT Bureau