Cyclone Warning for Andhra Pradesh & Puducherry (Yanam) Coasts

The Cyclone storm ‘PHETHAI’ over southwest Bay of Bengal moved further north-northwestwards with a speed of 16 kmph during past 06 hours and lay centred at 0830 hrs IST of 16th December, 2018 over southwest & adjoining Westcentral Bay of Bengal near latitude 11.8°N and longitude 84.0°E, about 460 km northeast of Trincomalee (Sri Lanka), 430 km east-southeast of Chennai (Tamil Nadu), 560 km south-southeast of Machilipatnam (Andhra Pradesh) and 600 km south-southeast Kakinada (Andhra Pradesh). It is very likely to intensify further into a Severe Cyclonic Storm during next 24 hours. It is very likely to move north-northwestwards and cross Andhra Pradesh coast between Machilipatnam and Kakinada during 17th December afternoon. However, due to unfavourable environmental conditions, it is likely to weaken slightly before landfall and cross coast as a cyclone storm.

Warnings:

Heavy rainfall warning

Rainfall at most places with heavy to very heavy falls at a few places very likely over coastal Andhra Pradesh on 16th & 17th December. Extremely heavy falls (≥ 20 cm) at isolated places also likely over north coastal Andhra Pradesh on 17th December. Rainfall at many places with heavy falls at isolated places likely over adjoining districts of north Tamil Nadu on 16th December.

Rainfall at many places with heavy falls at isolated places on 16th and rainfall at most places with isolated heavy to very heavy falls likely over Odisha on 17th and heavy falls at isolated places over south Chhattisgarh on 16th & 17th December. Rainfall at many places with heavy falls at isolated places also likely over Jharkhand on 17th December.

Rainfall at most places with heavy falls at isolated places likely over Gangetic West Bengal on 17th December.

Wind warning for Andhra Pradesh, north Tamil Nadu, Puducherry and south Odisha coasts

Squally wind speed reaching 45-55 kmph gusting to 65 kmph prevails along & off South Andhra Pradesh, north Tamilnadu & Puducherry coasts. It is very likely to increase gradually becoming gale wind speed of 80-90 kmph gusting to 100 kmph along & off central Andhra Pradesh coast and Yanam district of Puducherry on 17th December. Gale wind speed reaching 60-70 kmph gusting to 80 kmph is likely to prevail along & off remaining parts of Andhra Pradesh coast and squally wind speed 40-50 kmph gusting to 60 kmph is likely to prevail along & off north Tamilnadu & Puducherry coasts on 17th December.  

Strong wind speed reaching 30-40 kmph gusting to 50 kmph likely along & off South Odisha coast on 17th December.

Wind warning for Sea areas during cyclone

Gale wind speed reaching 80-90 kmph gusting to 100 kmph prevails over southwest & adjoining westcentral Bay of Bengal. It is very likely to become gale wind speed reaching 80-100 kmph gusting to 110 kmph over westcentral Bay of Bengal on 17th December.

Strong wind speed reaching 30-40 kmph gusting to 50 kmph likely over northwest Bay of Bengal on 17th December.

Cyclone Sea condition

The sea condition is high over southwest & adjoining westcentral Bay of Bengal around system center. The sea condition is very likely to be high to very high over westcentral & adjoining southwest Bay of Bengal from 16th evening to 17th December. It is rough to very rough along & off south Andhra Pradesh, north Tamil Nadu & Puducherry coasts and will become very rough to high along & off central Andhra Pradesh coast and Yanam district of Puducherry from 16th evening to 17th December evening.

Cyclone Storm Surge Warning

Storm surge of height of about 0.5 m to 1.0 m above the astronomical tides likely to inundate the low lying areas of Coastal Andhra Pradesh (East & west Godavari, Vishakhapatnam, Krishna and Guntur Districts) and Yanam district of Puducherry at the time of landfall.

Damage Expected over Coastal Andhra Pradesh (East & west Godavari, Vishakhapatnam, Krishna and Guntur Districts) and Yanam district of Puducherry:

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

Action suggested Due Cyclone

Total suspension of fishing operations along & off Andhra Pradesh coast on 16th & 17th December. 

The fishermen are advised not to venture into southwest & westcentral Bay of Bengal and along & off Andhra Pradesh, north Tamilnadu & Puducherry coasts till 17th December.

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The fishermen are advised not to venture along & off south Odisha coast on 17th December.

Those, who are out in deep sea areas are advised to return to the coasts. 

The next bulletin will be issued at 1430 hrs IST of 16th December, 2018.Recommended actionsAction suggested 

Total suspension of fishing operations along & off Andhra Pradesh coast on 16th & 17th December. 

The fishermen are advised not to venture into southwest & westcentral Bay of Bengal and along & off Andhra Pradesh, north Tamilnadu & Puducherry coasts till 17th December due cyclone.

Those, who are out in deep sea areas are advised to return to the coast.

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