Cyclone ‘Yaas’ is likely to intensify into a ‘very severe cyclonic storm’ and make landfall in the Indian states of Odisha, West Bengal and Khulna coast of Bangladesh on May 26.
A low pressure area, which formed over east-central Bay of Bengal and adjoining north Andaman Sea on Saturday, may intensify into a cyclonic storm by Monday.“The low pressure area has formed at 8:30am [IST]. It is very likely to concentrate into a depression over east-central Bay of Bengal by Sunday morning, move north-northwestwards, intensify into a cyclonic storm by May 24 and further intensify into a very severe cyclonic storm during the subsequent 24 hours,” according to a cyclone bulletin of Indian Meteorological Department (IMD) on Saturday.
It would continue to move north-northwestwards, intensify further and reach North Bay of Bengal near West Bengal and adjoining north Odisha & Bangladesh coasts around May 26 morning, it said. It is very likely to cross West Bengal and adjoining north Odisha and Bangladesh coasts around evening of 26th May.
If it is formed, it will be the first over the Bay of Bengal this year. Once the cyclone forms, it will acquire the name YAAS, given by Oman.
Meanwhile, the Bangladesh Meteorological Department has asked the maritime ports to hoist distant cautionary signal No. 1 after a low-pressure area formed over the Bay of Bengal.
Besides, a mild to moderate heat wave is sweeping over Dhaka, Rajshahi, Khulna and Barishal divisions and the districts of Sitakundu, Chandpur, Noakhali, Feni and Srimangal and it may continue. The heat wave has made life in the capital and other areas almost unbearable.
The IMD bulletin said Gangetic West Bengal may see light to moderate rainfall at most places with heavy falls at isolated places very likely to commence over coastal districts from May 25 with significant increase in spatial extension and intensity subsequently.Squally wind speed reaching 50–60 kmph gusting to 70 kmph is likely to prevail over and around Andaman and Nicobar Islands, Andaman Sea & adjoining east-central and southeast Bay of Bengal on May 22, said IMD.
It is very likely to increase becoming 55–65 kmph gusting to 75 kmph over east-central Bay of Bengal and adjoining north Andaman Sea from 23rd morning and likely to increase further becoming Gale wind speed reaching 65 to 75 gusting to 85 over major parts of central Bay of Bengal from 24th morning and would increase gradually till May 25, it said.
Squally wind speed reaching 40-50 kmph gusting 60 kmph is very likely to prevail over North Bay of Bengal and along and off Odisha – West Bengal – Bangladesh coasts from 24th evening, would increase gradually becoming 50-60 kmph gusting to 70 kmph from 25th evening.
It would further increase becoming gale wind speed 60-70 kmph gusting to 80 kmph from 26th early hours along and off West Bengal and adjoining north Odisha and Bangladesh coasts.
The squally wind would gradually increase further becoming 90-100 gusting to 110 kmph from 26th forenoon and increase thereafter till 26th evening.
Fishermen have been advised not to go deep into sea. Those who are already there should return to the coast by Sunday (May 23), as per a special bulletin of Bangladesh Meteorological Department.