Cyclone Nivar to cross Tamil Nadu and Puducherry coasts between Karaikal and Mamallapuram around 25th November 2020 afternoon
The Depression over southwest and adjoining southeast Bay of Bengal moved lay centred about 600 km south-southeast of Puducherry and 630 km south-southeast of Chennai. It is very likely to intensify into a cyclonic storm during next 24 hours. It is very likely to move northwestwards and cross Tamil Nadu and Puducherry coasts between Karaikal and Mamallapuram around 25th November 2020 afternoon.
Forecast track and intensity are given below:
Warnings:
(i) Rainfall Under its influence, the rainfall activity is likely to increase over south peninsular India from 23rd November onwards with fairly widespread to widespread rainfall/thunderstorm activity over Tamil Nadu, Puducherry & Karaikal during 24th to 26th November and over south Coastal Andhra Pradesh, Rayalaseema & Telangana during 25th to 26 th November, 2020. Isolated extremely heavy rainfall activity also very likely over Tamil Nadu & Puducherry during 24th & 25 th and over south Coastal Andhra Pradesh & Rayalaseema on 25th & 26th and over Telangana on 26th November, 2020.
(ii) Wind warning
Squally weather with wind speed of 45-55 kmph gusting to 65 kmph likely over Southwest & adjoining westcentral & southeast Bay of Bengal and along & off Tamil Nadu and south Andhra Pradesh coasts on 23rd November. It would increase gradually becoming 65-75 kmph gusting to 85 kmph over the southwest and adjoining west central Bay of Bengal and 55-65 kmph gusting to 75 kmph along and off Tamil Nadu and adjoining South Andhra Pradesh coast and over Gulf of Mannar from 24th November morning. It would further increase becoming 100-110 kmph gusting to 120 kmph over the southwest Bay of Bengal along and off north Tamil Nadu and Puducherry coasts, 65-75 kmph gusting to 85 kmph very likely over adjoining westcentral Bay along and off South Andhra Pradesh, Gulf of Mannar and along and off south Tamil Nadu coast from 25 th November morning for subsequent 12 hrs.
(iii) Sea condition
Sea condition is rough to very rough over Southwest & adjoining west-central & southeast Bay of Bengal and along & off Tamil Nadu & Puducherry and south Andhra Pradesh coasts and over Gulf of Mannar. It would gradually become High over the southwest and adjoining west-central Bay of Bengal and along & off Tamil Nadu, Puducherry coast and very rough along and off south Andhra Pradesh coast and also over Gulf of Mannar on 24th . The sea condition would be very high over the southwest and adjoining west central Bay of Bengal and along & off north Tamil Nadu, Puducherry coasts and high along and off south Tamil Nadu & south Andhra Pradesh coasts and also over Gulf of Mannar on 25th November, 2020. (iv) Fishermen Warning Fishermen are advised not to venture into Southwest & adjoining west-central & southeast Bay of Bengal, Gulf of Mannar and along & off Tamil Nadu, Puducherry and south Andhra Pradesh coasts during 23-25th November. Also the fishermen out at Sea are advised to return to the coast and avoid the above sea area.
