Dhaka, Nov. 2 -- Bangladesh may witness the formation of two to three low-pressure systems over the Bay of Bengal in November, with at least one potentially developing into a cyclone.

The Bangladesh Meteorological Department (BMD) in a long-term forecast on Sunday also indicated that fog could form in certain areas and river basins across the country during the month.

The Met Office said, on Oct 24, a clear low-pressure area developed over the southeastern Bay of Bengal and nearby areas, before intensifying into a depression over the same region.

By 6am on Oct 26, the depression had moved northwest, deepening into a deep depression.

By 3:00am the next day, it transformed into the cyclonic storm "Montha" in the southwestern and southea...