Time of issue: 0230 hours IST Dated: 10-10-2013 Bulletin No.: BOB - TopicsExpress



          

Time of issue: 0230 hours IST Dated: 10-10-2013 Bulletin No.: BOB 04/2013/15 (Orange Message) Sub: Very Severe Cyclonic Storm, PHAILIN in East central Bay of Bengal: Cyclone Warning for North Andhra Pradesh and Orissa Coast. The Severe cyclonic storm, PHAILIN over east central Bay of Bengal moved Northwest wards, intensified into a very severe cyclonic storm and lay centred at 1130 hrs IST of today the 10th October 2013 near latitude 15.00N and longitude 90.50E, about 800km southeast of Paradip, 850km east-southeast of Kalingapatnam, and 870 km east-southeast of Visakhapatnam. It would continue to move northwestwards and cross north Andhra Pradesh and Odisha coast between Kalingapatnam and Paradip, close to Gopalpur (Odisha) by evening of 12th October, 2013 as a very severe cyclonic storm with a maximum sustained wind speed of 175-185 kmph. Based on latest analysis with NWP models and other conventional techniques, estimated track and intensity of the system are given in the Table below: Date/Time(IST) Position (Lat. 0N/ Long. 0E) Sustained maximum surface wind speed (kmph) Category 10-10-2013/1130 15.0/90.5 120-130 gusting to 140 Very Severe Cyclonic Storm 10-10-2013/1730 15.4/89.7 130-140 gusting to 150 Very Severe Cyclonic Storm 10-10-2013/2330 15.8/89.0 140-150 gusting to 160 Very Severe Cyclonic Storm 11-10-2013/0530 16.2/88.2 150-160 gusting to 170 Very Severe Cyclonic Storm 11-10-2013/1130 16.6/87.5 160-170 gusting to 185 Very Severe Cyclonic Storm 11-10-2013/2330 17.4/86.3 170-180 gusting to 200 Very Severe Cyclonic Storm 12-10-2013/1130 18.5/85.4 175-185 gusting to 200 Very Severe Cyclonic Storm 12-10-2013/2330 19.9/84.7 175-185 gusting to 200 Very Severe Cyclonic Storm 13-10-2013/1130 20.6/84.6 75-85 gusting to 95 Cyclonic storm 13-10-2013/2330 22.0/84.2 50-60 gusting to 70 Deep Depression (A)Warning for Odisha, Andhra Pradesh and West Bengal (i) Heavy Rainfall: Under the influence of this system, rainfall at most places with heavy to very heavy falls at a few places with isolated extremely heavy falls (≥ 25cm) would occur over coastal Odisha commencing from 12th October 2013 morning. It would continue and extend to interior Odisha and coastal areas of Gangetic West Bengal from 13th morning. Rainfall at most places with heavy to very heavy rainfall would also occur at a few places over north coastal Andhra Pradesh commencing from 12th Oct 2013 and isolated heavy to very heavy rainfall would occur over coastal areas of West Bengal commencing from 13th Oct. 2013. (ii) Gale wind: Squally winds speed reaching 45-55 kmph gusting to 65 kmph would commence along and off Odisha and north Andhra Pradesh coast from 11th morning. It would increase in intensity with gale wind speed reaching 175-185 kmph along and off coastal districts of north coastal Andhra Pradesh and south Odisha at the time of landfall. State of Sea along and off Odisha and north Andhra Pradesh coast will be rough to very rough from 11th morning and will become phenomenal on 12th October 2013. It will be rough to very rough along and off West Bengal coast during the above period. (iii) Storm Surge Guidance: Storm surge with height of around 1.5-2.0 m above astronomical tide would inundate low lying areas of Ganjam, Khurda, Puri and Jagatsinghpur districts of Odisha and Srikakulam district of Andhra Pradesh during landfall. (iv) Damage expected over Odisha and adjoining north Andhra Pradesh: Extensive damage to kutcha houses. Partial disruption of power and communication line. Minor disruption of rail and road traffic. Potential threat from flying debris. Flooding of escape routes. Extensive damage to agricultural crops. (v) Action suggested: Fishermen out at sea along north Andhra Pradesh, Odisha and West Bengal coast are advised to return to coast. Fishermen are advised not to venture into sea. Following actions are suggested when the cyclone would be 500 km from the coast (from 11th October 2013). Total suspension of fishing operations. Mobilise evacuation from coastal areas. Judicious regulation of rail and road traffic. People in affected areas to remain indoors during cyclone landfall. (B)Warning for Andaman and Nicobar Islands (i) Heavy rainfall Under the influence of this system, rainfall at most places with heavy to very heavy falls at a few places and isolated extremely heavy falls (≥ 25cm) would occur over Andaman and Nicobar Islands during next 12 hrs. Isolated heavy to very heavy rainfall would occur in subsequent 24 hrs. (ii) Squally wind Squally winds speed reaching 45-55 kmph gusting to 65 kmph would continue to prevail prevail over Andaman Nicobar Islands and adjoining sea areas during next 24 hours. Sea condition will be rough to very rough along and off Andaman and Nicobar Islands during next 24 hrs. The next bulletin will be issued at 1730 hrs IST of today, the 10th October, 2013.
Posted on: Thu, 10 Oct 2013 11:03:14 +0000

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