Flood Forecasting and Warning Centre (FFWC) today forecast that water levels of Teesta, Dharla and Dudhkumar rivers in the country's northern region may rise rapidly in the next 72 hours resulting in situations triggering flash floods at some places there.

"According to the numerical weather models of Bangladesh Meteorological Department and India Meteorological Department, there is chance of heavy rainfall in the northern and north-eastern regions of the country along with places of adjoining Sub-Himalayan West Bengal, Assam and Meghalaya states of India in the next 72 hours," said a FFWC flood bulletin today.

The water levels of Teesta, Dharla and Dudhkumar rivers of northern Bangladesh may rise rapidly at times during this period resulting in flash floods at some places, it added.

The bulletin also said the Brahmaputra-Jamuna rivers are in rising trend which may continue in the next 72 hours.

Besides, the Ganges River is also on a rising trend while the Padma River is in a steady state. Both rivers may rise in the next 24 hours.

The major rivers of the upper Meghna basin in the north-eastern region of the country are in falling trend which may continue for the next 24 hours.

All major rivers, however, are flowing below their respective danger levels, the forecast said.