A low-pressure area is likely to form over the northwest Bay of Bengal and the adjoining area within the next 48 hours, commencing at 9:00 am on Wednesday, according to Bangladesh Meteorological Department (BMD).
The axis of the monsoon trough runs through North Uttar Pradesh, Bihar, West Bengal to Assam across Southern part of Bangladesh.
One of its associated troughs extends up to the northwest Bay. The monsoon is fairly active over Bangladesh and moderate elsewhere over the North Bay.
Meanwhile, the Met Office has forecast light to moderate rain or thundershowers, accompanied by temporary gusty winds and lightning, at many places in Chattogram and Sylhet divisions and at a few places in Rangpur, Rajshahi, Dhaka, Mymensingh, Khulna and Barishal divisions. Moderately heavy to heavy rainfall is also likely at places across the country.
Day temperatures may remain nearly unchanged and night temperatures may fall slightly over the country.
