Tropical cyclone ‘Yaas’ which turned into a severe cyclonic storm over the northwest bay and adjoining area on Tuesday is likely to move northwestwards further and cross North Odisha-West Bengal coasts of India by this noon.
At landfall, it could be a very severe cyclonic storm which is equivalent to a Category 2 or 3 hurricane on the Saffir-Simpson Hurricane Wind Scale used in the Atlantic and East Pacific basins, according to AccuWeather, an US-based weather organisation.Under the influence of the cyclone, different parts of Bangladesh were experiencing moderately heavy to heavy falls while coastal districts 2-4 foot tidal surge. The tidal surge has inundated some districts of Khulna division on Tuesday.
Strong wind gusts can lead to the damage of homes and buildings as well as power outages at places in the coastal belt.
Offshore islands and chars are likely to experience wind speed up to 80-100 kph in gusts or squalls with heavy to very heavy falls during the passage of the storm, according to a special bulletin of Bangladesh Meteorological Department (BMD).
Rain or thundershowers accompanied by temporary gusty or squally wind is likely to occur at most places over Dhaka, Khulna, Barishal, Rajshahi and Chattogram divisions and at many places over Rangpur, Mymensingh and Sylhet divisions with moderately heavy to heavy falls at places over the country, it said.
Under the influence of the full moon phase, the low-lying areas of the districts of Khulna, Satkhira, Bagerhat, Jhalakati, Pirojpur, Barguna, Patuakhali, Barishal, Bhola, Noakhali, Laxmipur, Feni, Chandpur and Chattogram are likely to be inundated by 2-4 foot height above normal astronomical tide, said the BMD.
Meanwhile, the government has taken all necessary preparations to face any situation.Besides, Bangladesh Inland Water Transport Authority (BIWTA) on Tuesday suspended operations of all types of vessels due to the cyclone.
The cyclone was centred about 555 kms southwest of Chattogram port, 520 kms southwest of Cox's Bazer port, 425 kms south-southwest of Mongla port and 420 kms south-southwest of Payra port on Tuesday afternoon, said Hafizur Rahman, a meteorologist at the BMD.
It is likely to move northwestwards further and cross North Odisha-West Bengal coasts this noon, he said.
“Maximum sustained wind speed within 64 kms of the severe cyclone centre is about 89 kph rising to 117 kph in gusts or squalls,” according to the BMD.
Sea will remain high near the severe cyclone centre. The maritime ports of Chattogram, Cox's Bazar, Mongla and Payra have been advised to hoist local warning signal number 3.
The districts of Khulna, Satkhira, Bagerhat, Jhalakati, Pirojpur, Barguna, Patuakhali, Barishal, Bhola, Noakhali, Laxmipur, Feni, Chandpur and Chattogram and their offshore islands and chars are likely to experience wind speed up to 80-100 kph in gusts or squalls with heavy to very heavy falls during the passage of the storm.
All fishing boats and trawlers over the north bay and deep sea have been advised to remain in shelter till further notice.
Rain or thundershowers accompanied by temporary south or south-easterly, squalls wind speed of 60-80 kph or more is likely to occur in the regions of Khulna, Barishal, Patuakhali, Noakhali, Cumilla, Chattogram, Chandpur, Cox's Bazar, Dhaka, Faridpur, Madaripur, Jashore and Kushtia wherein river ports shall hoist riverine warning signal number 2.
Rain or thundershowers accompanied by temporary south or south-easterly, gusty or squally wind speed of 45-60 kph is likely to occur elsewhere over the country wherein river ports shall hoist cautionary signal no one.