The maritime ports of Mongla and Payra have been asked to hoist the Great Danger Signal No. 10 as cyclonic storm 'Remal' over northwest Bay and adjoining area moved northwards and intensified into a severe cyclonic storm.

The maritime ports of Chattogram and Cox's Bazar have been asked to hoist Great Danger Signal No. 9.

The cyclone was centred at 6 am on Sunday about 400 kms southwest of Chattogram port, 360 kms southwest of Cox's bazar port, 330 kms south of Mongla port and 295 kms south of Payra port, said a bulletin issued at 8:30 am on Sunday signed by Kh. Hafizur Rahman, a meteorologist at BMD.

It is likely to move in a northern direction and may cross Sagar Island in West Bengal and Khepupara coast near Mongla by this evening.

Maximum sustained wind speed within 64 km of the severe cyclone centre is about 90 kph rising to 120 kph in gusts or squalls; sea will remain high near the severe cyclone centre.

The coastal districts of Khulna, Satkhira, Bagherhat, Pirojpur, Jhalakathi, Barguna, Barishal, Bhola, Patuakhali and their islands and chars will come under Great Danger Signal ten (r) ten, according to the bulletin.

The coastal districts of Chattogram, Cox's Bazar, Feni, Cumilla, Noakhali, Lakshmipur, Chandpur and their islands and chars will come under Great danger Signal nine (r) nine.

Under the peripheral effect of the severe cyclone and steep pressure gradient, the low-lying areas of the coastal districts of Khulna, Satkhira, Bagherhat, Pirojpur Jhalakathi, Barguna, Barishal, Bhola, Patuakhali, Noakhali, Lakshmipur, Feni, Chandpur, Cumilla, Chattogram, Cox's Bazar and their islands and chars are likely to be inundated by wind driven surge of 08-12 feet height above normal, astronomical tide, it reads.

Under the influence of the cyclone Rajshahi, Rangpur, Mymensingh, Dhaka, Khulna, Barishal, Chattogram and Sylhet divisions are likely to experience heavy (44-88 mm) to very heavy rainfall (289 mm) with gusty or squally wind. Due to very heavy rainfall, landslide may occur at places in Cox's Bazar, Bandarban, Rangamati, Khagrachari and Chattogram.

All fishing boats and trawlers in north Bay and deep sea have been advised to remain in shelter till further notice.