Dhaka, Nov. 10 -- Cyclonic storm 'Bulbul' over Khulna and adjoining northwestern part of Bangladesh moved slowly northwestwards and weekend further into a deep depression.

The depression was lying over Bagerhat, Barishal and Patuakhali regions at 6 am on Sunday, said a Met office bulletin on Sunday adding that it is likely to move in a northwesterly direction further and weaken gradually.

Under its influence step pressure gradient persists over North Bay and southern part of the country.

"The maritime ports of Mongla and Payra have been advised to lower great danger signal No 10 and hoist local cautionary signal No 3 instead of it," the bulletin said.

The maritime port of Chattogram has been advised to lower great danger signal No 9 a...