Heavy rain expected in 4 divisions as low builds in north BayA low-pressure area has formed over the north Bay of Bengal and adjoining regions. Rainfall between 44-88mm over a 24-hour period is considered heavy, while rainfall exceeding 88mm is classified as very heavy. Gusty or squally weather may affect the maritime ports, the north bay and adjoining coastal areas of Bangladesh. The maritime ports of Chattogram, Cox’s Bazar, Mongla, and Payra have been advised to hoist local cautionary signal No. The Met Office has also advised fishing boats and trawlers over the north Bay to come close to the coast and proceed with caution until further notice.