Cyclonic Storm ‘Burevi’ over southwest Bay of Bengal

The Deep Depression over southwest Bay of Bengal moved west-northwestwards with a speed of 09 kmph during past six hours, intensified into Cyclonic Storm ‘Burevi’ and lay centered over southwest Bay of Bengal near Lat. 7.9° N and Long. 84.8°E, about 400 km east-southeast of Trincomalee (Sri Lanka) and 800 km east-southeast 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 between latitude 7.5⁰N and 9.0⁰N, close to Trincomalee during evening/night of 2^nd December as a Cyclonic Storm with a wind speed of 75-85 kmph gusting to 95 kmph. It is very likely to move nearly westwards thereafter, emerge into Gulf of Mannar and adjoining Comorin area on 3^rd December morning. It would then move nearly west-southwestwards and cross south Tamilnadu coast between Kanniyakumari and Pamban around early morning of 4^th December.

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 2^nd and 3^rd December, 2020; over south Kerala (Thiruvananthapuram, Kollam, Pathanamthitta and Alappuzah) on 3^rd December and isolated heavy to very heavy rainfall likely over south Tamilnadu on 2^nd & 4^th December 2020 and south Kerala on 3^rd & 4^th December, 2020.
• Heavy to very heavy rainfall at isolated places very likely over north Tamilnadu, Puducherry, Mahe & Karaikal and north Kerala on 2^nd & 3^rd December, isolated heavy rainfall on 4^th December and isolated heavy rainfall over coastal Tamilnadu.
• • • Heavy rainfall at isolated places very likely over south Coastal Andhra Pradesh on 2^nd & 03^rd December and over Lakshadweep on 03^rd & 4^th December, 2020.

  (ii) Wind warning

  • Squally wind speed reaching 60-70 kmph gusting to 80 kmph very likely over southwest and adjoining Southeast Bay of Bengal during next 12 hours.
  • It would gradually increase and becoming 70-80 kmph gusting to 90 kmph over southwest Bay of Bengal, along & off Sri Lanka coast from morning to night of 2^nd December and 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 and Ramanathapuram districts) and south Kerala coast (Thiruvananthapuram, Kollam, Pathanamthitta and Alappuzah districts) from 2^nd December forenoon. It will gradually increase becoming 55-65 kmph gusting to 75 kmph from 2^nd December evening and 70-80 kmph gusting to 90 kmph from evening of 3^rd December for subsequent 12 hours and decrease therafter.
  • Squally wind speed reaching 45-55 kmph gusting to 65 kmph very likely over Lakshadweep-Maldives area and adjoining southeast Arabian Sea from 3^rd December morning for next 48 hours.

   (iii) Sea condition

  • Sea conditions is very rough to high over southwest and adjoining Southeast Bay of Bengal and along & off east Sri Lanka coast and the same will continue till night of 2^nd December 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 2^nd and very rough to high on 3^rd and 4^th  December.
  • Sea condition will be rough to very rough over Lakshadweep-Maldives area and adjoining southeast Arabian Sea during 3^rd – 4^th December.