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Friday, January 22nd, 2021

Heavy rainfall at isolated places very likely over south Coastal Andhra Pradesh and Lakshadweep on 3rd & 04th December

INVC NEWS
New Delhi,

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

The Cyclonic Storm ‘Burevi’ over Sri Lanka moved west-northwestwards with a speed of 11 kmph during past six hoursand lay centered at 0530 hrs IST of 03rd December over Sri Lanka near Lat. 9.0°N and Long. 80.3°E, about 40 km east of Mannar, 120 km east-southeast of Pamban (India) and 320 km east-northeast of Kanniyakumari (India). It is very likely to move west-northwestwards and emerge into Gulf of Mannar near Mannar coast during next 3 hours.

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 across Pamban area by afternoon and cross south Tamilnadu coast between Pamban and Kanniyakumari during 3rd December night and 4th December early morning as a Cyclonic Storm with wind speed of 70-80 gusting to 90 kmph. Thusits impact on south Tamilnadu coastal districts is very likely to commence from 3rd December forenoon initially over Ramanathapuramdistrict and gradually towards Kanniyakumari district.

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
03.12.20/0530
9.0/80.3
70-80 gusting to 90

Cyclonic Storm

03.12.20/1130
9.2/79.5
70-80 gusting to 90

Cyclonic Storm

03.12.20/1730
9.1/78.9
70-80 gusting to 90

Cyclonic Storm

03.12.20/2330
9.0/78.4
70-80 gusting to 90

Cyclonic Storm

04.12.20/1130
8.9/77.7
60-70 gusting to 80

Cyclonic Storm

04.12.20/2330
8.7/77.0
45-55 gusting to 65

Deep Depression

 

Warnings:

(i) Rainfall

· Heavy to very heavy rainfall at a few places with isolated Extremely heavy falls very likely over south Tamilnadu (Ramanathapuram, Thoothukudi, Tirunelveli,  Kanniyakumari, Tenkasi and Sivagangai districts) and over south Kerala (Thiruvananthapuram, Kollam, Pathanamthitta andAlappuzah) on 3rdDecember and isolated heavy to very heavy rainfall likely over south Tamilnadu and south Kerala on 4th December, 2020.

· Heavy to very heavy rainfall at isolated places very likely over north Tamilnadu, Puducherry, Mahe&Karaikal and north Kerala on 3rd December, isolated heavy rainfall on  4th December.

· Heavy rainfall at isolated places very likely over south Coastal Andhra Pradesh and Lakshadweep on 3rd& 04th December.

Sub-Divisions

03 Dec 2020*

04 Dec 2020*

South Tamilnadu

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 &Karaikal

Rainfall at many places with heavy to very heavy  rainfall at  isolated places

Rainfall at many places with heavy fall at  isolated places 

 

South Kerala

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 &Mahe

Rainfall at most places with heavy to very heavy  rainfall  at  isolated places

Rainfall at a few places with heavy fall at  isolated places 

South Coastal Andhra Pradesh

Rainfall  at a few places with heavy rainfall at isolated places

Rainfall  at a few places with heavy rainfall at isolated places

Lakshadweep

Rainfall  at many places with heavy falls at isolated places

Rainfall  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 very likely over Gulf of Mannar,Comorin Area and along and off south Tamilnadu coast (Ramanathapuram, Thoothukudi, Tirunelveli and Kanniyakumari districts) and south Kerala coast (Thiruvananthapuram, Kollam, Pathanamthitta andAlappuzah districts) and west Sri Lanka coast. It will gradually increase becoming 70-80 kmph gusting to 90 kmph from 3rd December forenoon for subsequent 24 hours and decrease thereafter.
  • Prevailing Gale wind speed reaching55-65 kmph gusting to 75 kmph over southwest Bay of Bengal and along & off Sri Lanka coast will continue for next 12 hours and gradually decrease thereafter.
  • Squally wind speed reaching 45-55 kmph gusting to 65 kmph very likely over Lakshadweep-Maldives area and adjoining southeast Arabian Sea on 3rdand 4thDecember.

(iii) Storm Surge:

  • Storm surge of about 1.0 m height above astronomical tide is very likely to inundate low lying areas of south coastal Tamilnadu (Ramanathapuram, Thoothukudi, Tirunelveli and Kanniyakumari districts) and northwest Sri Lanka coast during the time of landfall.

(iii) Sea condition

  • Sea condition isvery rough to high over Gulf of Mannar, along & off south Tamilnadu-Kerala, west Sri Lanka coast and Comorin Areaon 3rdand 4thDecember.
  • Sea condition is very rough to high over southwest Bay of Bengal and along & off east Sri Lanka coast and the same will continue till mid-night of 3rdDecember and gradually improve thereafter.
  • Sea condition will be rough to very rough over Lakshadweep-Maldives area and adjoining southeast Arabian Sea during 3rd to 5thDecember.

(iv) Damage expected over south Tamilnadu (Kanniyakumari, Tirunelveli, Thoothukudi and Ramanathapuram districts) and south Kerala (Thiruvananthapuram, Kollam, Pathanamthitta and Alappuzah districts)

  • Damage to thatched huts.
  • Minor damage to power and communication lines due to breaking of branches.
  • Major damage to Kutcha and minor damage to Pucca roads.
  • Some damage to paddy crops, banana, papaya trees and orchards.
  • Sea water inundation in low lying areas after erosion of Kutcha embankments.

(v) Fishermen warning and Action suggested

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

  Click here to See Graphics 

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