Cyclonic Storm Burevi over southwest Bay of Bengal

Nov 2: According to the Cyclone Warning Division of the India Meteorological Department (IMD):

The Cyclonic Storm ‘Burevi’ over southwest Bay of Bengal moved west-northwestwards with a speed of 15 kmph during past six hoursand lay centered at 0530 hrs IST of today, the 02nd December 2020 over southwest Bay of Bengal, about 240 km east-southeast of Trincomalee (Sri Lanka), 470 km east-southeast of Pamban (India) and 650 km nearly east-northeast of Kanniyakumari (India).

It is very likely to intensify further during next 12 hours. It is very likely to move west-northwestwards and cross Sri Lanka coast, close to north of Trincomalee during evening/night of 2nd December as a Cyclonic Storm with a wind speed of 80-90 kmph gusting to 100 kmph. It is very likely to move nearly west-northwestwards thereafter, emerge into Gulf of Mannar and adjoining Comorin area on 3rd December morning.

The Cyclonic Storm with wind speed of 70-80 gusting to 90 kmph would be centered very close to Pamban around noon of 3rd December. It would then move nearly west-southwestwards and cross south Tamilnadu coast between Kanniyakumari and Pamban around early morning of 4th December as a Cyclonic Storm with wind speed of 70-80 gusting to 90 kmph.

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
02.12.20/05308.4/83.470-80 gusting to 90Cyclonic Storm
02.12.20/11308.7/82.475-85 gusting to 95Cyclonic Storm
02.12.20/17309.0/81.380-90 gusting to 100Cyclonic Storm
02.12.20/23309.1/80.780-90 gusting to 100Cyclonic Storm
03.12.20/05309.2/80.270-80 gusting to 90Cyclonic Storm
03.12.20/17309.1/79.270-80 gusting to 90Cyclonic Storm
04.12.20/05308.9/78.470-80 gusting to 90Cyclonic Storm
04.12.20/17308.5/77.465-75 gusting to 85Cyclonic Storm
05.12.20/05308.1/76.455-65 gusting to 75Deep Depression
    

Warnings:

(i) Rainfall

  • Heavy to very heavy rainfall at a few places with isolated Extremely heavy falls very likely over south Tamilnadu(Kanniyakumari, Tirunelveli, Thoothukudi, Tenkasi, Ramanathapuram and Sivagangai) on 2nd and 3rdDecember, 2020; over south Kerala(Thiruvananthapuram, Kollam, Pathanamthitta andAlappuzah) on 3rd December and isolated heavy to very heavy rainfall likely over south Tamilnadu on 2nd& 4th December 2020 and south Kerala on 3rd& 4th December, 2020.
  • Heavy to very heavy rainfall at isolated places very likely over north Tamilnadu, Puducherry, Mahe&Karaikal and north Kerala on 2nd& 3rd December, isolated heavy rainfall on 4th December.
  • Heavy rainfall at isolated places very likely over south Coastal Andhra Pradesh on 2nd& 03rdDecember and over Lakshadweep on 03rd& 4thDecember, 2020.
Sub-Divisions02 Dec 2020*03 Dec 2020*04 Dec 2020*
South TamilnaduRainfall at most places with heavy to very heavy rainfall at  few places and extremely heavy fall at  isolated places Rainfall at most places with heavy to very heavy rainfall at  few places and extremely heavy fall at  isolated places Rainfall at many places with heavy to very heavy  rainfall at  isolated places
North Tamilnadu, Puducherry &KaraikalRainfall at many places with heavy to very heavy  rainfall at  isolated placesRainfall at many places with heavy to very heavy  rainfall at  isolated placesRainfall at many places with heavy fall at  isolated places 
 South KeralaRainfall at most places with heavy to very heavy rainfall at  isolated places Rainfall at most places with heavy to very heavy rainfall at  few places and extremely heavy fall at  isolated places Rainfall at many places with heavy to very heavy  rainfall at  isolated places
 North Kerala &MaheRainfall at many places with heavy to very heavy  rainfall at  isolated placesRainfall at most places with heavy to very heavy  rainfall  at  isolated placesRainfall at a few places with heavy fall at  isolated places 
South Coastal Andhra PradeshRainfall  at a few places with heavy rainfall at isolated placesRainfall  at a few places with heavy rainfall at isolated placesRainfall  at a few places
LakshadweepRainfall  at most placesRainfall  at most places with heavy to very falls at isolated placesRainfall  at most places with heavy to very falls at isolated places

(ii) Wind warning

  • Gale wind speed reaching 70-80 kmph gusting to 90 kmph prevails over southwest Bay of Bengal and along & off Sri Lanka coast. It is very likely to increase becoming 80-90 kmph gusting to 100 kmph fro afternoon for subsequent 12 hours. It will gradually decrease thereafter.
  • Squally wind speed reaching 45-55 kmph gusting to 65 kmph very likely over Comorin Area, Gulf of Mannar and along and off south Tamilnadu coast (Kanniyakumari, Tirunelveli, Thoothukudi andRamanathapuram districts) and south Kerala coast (Thiruvananthapuram, Kollam, Pathanamthitta andAlappuzah districts) from 2nd December forenoon. It will gradually increase becoming 55-65 kmph gusting to 75 kmph from 2nd December evening and 70-80 kmph gusting to 90 kmph from 3rd December forenoon for subsequent 24 hours and decrease thereafter.
  • Squally wind speed reaching 45-55 kmph gusting to 65 kmph very likely over Lakshadweep-Maldives area and adjoining southeast Arabian Sea from 3rd December morning for next 48 hours.

(iii) Sea condition

  • Sea conditions is very rough to high over southwest Bay of Bengal and along & off east Sri Lanka coast and the same will continue till night of 3rdDecember morning and gradually improve thereafter.
  • It will be rough to very rough over Comorin Area, Gulf of Mannar,along & off south Tamilnadu-Kerala and west Sri Lanka coast on 2nd and very rough to high on 3rd and 4th  December.
  • Sea condition will be rough to very rough over Lakshadweep-Maldives area and adjoining southeast Arabian Seaduring 3rd – 5th December.

(iv) Fishermen warning

  • Total suspension of fishing operation during 2ndto 5th Decemberover the areas as mentioned below.
  • Fishermen are advised not to venture into southwest Bay of Bengal and along & off east Sri Lanka coast from 2ndto 3rdDecember; Comorin Area, Gulf of Mannar and south Tamilnadu-Kerala and west Sri Lanka coasts from 2ndto 4thDecember, over Lakshadweep-Maldives area & adjoining southeast Arabian Sea from 3rdto 5thDecember.

The system is under continuous surveillance and the concerned state governments arebeing informed regularly.