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Heavy to very heavy rainfall very likely over south TN and south Kerala

Sea condition will be rough to very rough over southeast and adjoining southwest Bay of Bengal
Fishermen are advised not to venture into southeast and adjoining southwest Bay of Bengal from 1st December night
According to the Cyclone Warning Division of the India Meteorological Department (IMD):

Latest satellite and Ship observations indicate that the well marked low pressure area over southeast Bay of Bengal &neighbourhood concentrated into a Depression and lay centered at 0530 hrs IST of 30th November 2020 over southeast Bay of Bengal about 750 km east-southeast of Trincomalee (Sri Lanka) and 1150 km east-southeast of Kanyakumari (India). It is very likely to intensify further into a Deep Depression during next 24 hours. It is also likely to intensify further into a cyclonic storm. It is very likely to move west-northwestwards and cross Sri Lanka coast around evening of 2nd December. It is very like to move nearly westwards thereafter and emerge into Comorin area on3rd December morning.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
30.11.20/0530 7.5/88.0 40-50 gusting to 60 Depression
30.11.20/1730 7.7/87.0 50-60 gusting to 70 Deep Depression
01.12.20/0530 7.9/86.1 60-70 gusting to 80 Cyclonic Storm
01.12.20/1730 8.1/84.8 65-75 gusting to 85 Cyclonic Storm
02.12.20/0530 8.3/83.1 70-80 gusting to 90 Cyclonic Storm
02.12.20/1730 8.5/81.5 70-80 gusting to 90 Cyclonic Storm
03.12.20/0530 8.5/80.2 60-70 gusting to 80 Cyclonic Storm
       

Warnings:


(i) Rainfall

  • Heavy to very heavy rainfallat a few places with isolated Extremely heavy falls very likely over south Tamilnaduand south Keralaon 2nd December, 2020 and Isolated heavy to very heavy rainfall likely over these regions on 1st, 3rd and 4th December 2020.
  • Heavy to very heavy rainfall at Isolated places very likely over north Tamilnadu, Puducherry, Mahe&Kariakal and north Kerala during 2ndand 3rd December, 2020 and isolated heavy rainfall during 1st and 4th
  • Heavy rainfall at isolated places very likely over south Coastal Andhra Pradesh during 2nd& 03rdDecember and over Lakshadweep during 03rdand 4th December, 2020.

 

Sub-Divisions 30 Nov 2020* 01 Dec 2020* 02 Dec 2020* 03 Dec 2020* 04 Dec 2020*
South Tamilnadu Rainfall  at a few places Rainfall at many 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 Rainfall at many places with heavy to very heavy  rainfall at  isolated places
North Tamilnadu, Puducherry &Karaikal Rainfall  at isolated places Rainfall at a few places with heavy to very heavy rainfall at  isolated places Rainfall at most places with heavy to very heavy  rainfall at  isolated places 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 isolated places Rainfall at many 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 Rainfall at many places with heavy to very heavy  rainfall at  isolated places
 

North Kerala &Mahe

Rainfall  at isolated places Rainfall at many places with  heavy rainfall at  isolated places Rainfall at most places with heavy to very heavy  rainfall at  isolated places Rainfall at many places with heavy  rainfall at  isolated places Rainfall at a few places with heavy fall at  isolated places
South Coastal Andhra Pradesh Rainfall  at isolated places Rainfall  at isolated places Rainfall  at a few places with heavy rainfall at isolated places Rainfall  at a few places with heavy rainfall at isolated places Rainfall  at a few places
Lakshadweep Rainfall  at a few places Rainfall  at a few places Rainfall  at most places Rainfall  at most places with heavy to very falls at isolated places Rainfall  at most places with heavy to very falls at isolated places

 

(ii) Wind warning

Midle of the post
  • Squally Weather (wind speed reaching 45-55 kmph gusting to 65 kmph) very likely over central parts of South Bay of Bengal on 30th
  • It would gradually increase becoming 55-65 kmph gusting to 75 kmph over southeast and adjoining southwest Bay of Bengal from 1stDecember night and 70-80 kmph gusting to 90 kmphover southwest Bay of Bengal, along & off Sri Lanka coast and 45-55 kmph gusting to 65 kmph over Comorin Area, Gulf of Mannar and Tamilnadu-Kerala coasts from 2nd December forenoon for subsequent 24 hours.
  • The squally wind speed reaching 55-65 kmph gusting to 75 kmph is very likely to prevail over Gulf of Mannar,along & off south Tamilnadu&Kerala coasts, Comorin Area, Lakshadweep-Maldives area and adjoining southeast Arabian Seafrom 3rdDecember morning for subsequent 24 hours.

(iii) Sea condition

  • Sea condition will be rough to very rough over southeast and adjoining southwest Bay of Bengal from 1stDecember night and very rough to high gusting to 90 kmphover southwest Bay of Bengal, along & off east Sri Lanka coast and rough to very rough over Comorin Area, Gulf of Mannar and Tamilnadu-Kerala coasts from 2nd December forenoon for subsequent 24 hours.
  • Sea condition will be rough to very rough over Gulf of Mannar, along and off south Tamilnadu&Kerala coasts, Comorin Areafrom 2ndDecember morning and Lakshadweep-Maldives area and adjoining southeast Arabian Seafrom 3rd December morning for subsequent 24 hours.

(iv) Fishermen Warning

Fishermen are advised not to venture into southeast and adjoining southwest Bay of Bengal from 1st December night; over southwest Bay of Bengal, along & off east Sri Lanka coast, Comorin Area, Gulf of Mannar and Tamilnadu-Kerala coasts from 2nd December forenoon for subsequent 24 hours, over Gulf of Mannar, along & off south Tamilnadu& Kerala coasts, Comorin Area from 2nd December morning and over Lakshadweep-Maldives area & adjoining southeast Arabian Sea from 3rd December morning for subsequent 24 hours.

Also those who are out at Sea are advised to return to the coast by today.

For details in Graphics, Please Click here.

Kindly download MAUSAM APP for location specific forecast & warning, MEGHDOOT APP for Agromet advisory and DAMINI APP for Lightning Warning.

 

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