Deep Depression over Gulf of Mannar close to Ramanathapuram District coast remained practically stationary

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It laid centered at 0530 hrs IST of 04th December over Gulf of Mannar close to Ramanathapuram District coast, about 40 km southwest of Ramanathapuram, 70 km west-southwest of Pamban and 160 km northeast of Kanniyakumari.

The Deep Depression is likely to move slowly west-southwestwards and cross Ramanathapuram and adjoining Thoothukudi districts during next 06 hours

It is very likely to weaken further into a Depression (wind speed 45-55 kmph gusting to 65 kmph) during next 12 hours

Heavy to very heavy rainfall at a few places very likely over south Tamil Nadu and at isolated places over Kerala & Mahe during next 24 hours

Heavy rainfall at isolated places very likely over south Coastal Andhra Pradesh and Lakshadweep

Fishermen are advised not to venture into Gulf of Mannar and adjoining southwest Bay of Bengal and along & off south Tamil Nadu coast

Delhi, Dec 4

According to the Cyclone Warning Division of the India Meteorological Department (IMD): Deep Depression over Gulf of Mannar

The Deep Depression over Gulf of Mannar close to Ramanathapuram District coast remained practically stationary during past three hours and lay centered at 0530 hrs IST of 04thDecember over Gulf of Mannar near Lat. 9.1°N and Long. 78.6°E close to Ramanathapuram District coast, about 40 km southwest of Ramanathapuram, 70 km west-southwest of Pamban and 160 km northeast of Kanniyakumari. The associated wind speed is about 55-65 gusting to 75 kmph.

The Deep Depression likely to move slowly west-southwestwards and cross Ramanathapuram and adjoining Thoothukudi districts during next 06 hours with wind speed of 50-60 gusting to 70 kmph. It is very likely to weaken further into a Depression (wind speed 45-55 kmph gusting to 65 kmph) during next 12 hours.

Forecast track and intensity are given below:

Date/Time(IST)Position (Lat. 0N/ long. 0E)Maximum sustained surface wind speed (Kmph)Category of cyclonic disturbance
04.12.20/05309.1/78.655-65 gusting to 75Deep Depression
04.12.20/11309.0/78.250-60 gusting to 70Deep Depression
04.12.20/17308.9/77.845-55 gusting to 65Depression
04.12.20/23308.8/77.425-35 gusting to 45Low Pressure Area

Warnings:

(i) Rainfall

Heavy to very heavy rainfall at a few places very likely over south Tamilnadu and at isolated places over Kerala & Mahe during next 24 hours. Heavy to very heavy rainfall at isolated places very likely over north Tamilnadu, Puducherry & Karaikal during next 24 hours.

Heavy rainfall at isolated places very likely over south Coastal Andhra Pradesh and Lakshadweep on 04th December.

Sub-Divisions04 Dec 2020*
South TamilnaduRainfall at most places with heavy to very heavy falls at a few places
North Tamilnadu, Puducherry & KaraikalRainfall at many places with heavy fall at  isolated places
Kerala & MaheRainfall at many places with heavy to very heavy  rainfall at  isolated places
South Coastal Andhra PradeshRainfall  at a few places with heavy rainfall at isolated places
LakshadweepRainfall  at most places with heavy to very falls at isolated places

(ii) Wind warning

  • Squally wind speed reaching 55-65 kmph gusting to 75 kmph is very likely during next 06 hours along and off south Tamil Nadu coast (Ramanathapuram, Thoothukudi, Tirunelveli and Kanniyakumari districts) and it will gradually decrease to 45-55 kmph gusting to 65 kmph by evening of 4th December. 
  • Squally wind speed reaching 35-45 kmph gusting to 55 kmph very likely to prevail along & off south Kerala coast (Thiruvananthapuram, Kollam, Pathanamthitta and Alappuzah districts) during next 24 hours.
  • Squally wind speed reaching 35-45 kmph gusting to 55 kmph very likely over Lakshadweep-Maldives area and adjoining southeast Arabian Sea during next 24 hours.

 (iii) Sea condition

  • Sea condition is rough to very rough over Gulf of Mannar and adjoining southwest Bay of Bengal, along & off south Tamil Nadu, west Sri Lanka coasts during next 12 hours and rough to very rough over Comorin Area, adjoining southeast Arabian Sea and along & off Kerala coast by evening of 4th December.

 (v) Fishermen warning and Action suggested

  • Fishermen are advised not to venture into Gulf of Mannar and adjoining southwest Bay of Bengal and along & off south Tamil adu coast and north Sri Lanka coasts during next 12 hours and along and off Kerala coast, Lakshadweep-Maldives area & adjoining southeast Arabian Sea during next 24-hours.

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