Water levels of the Teesta, Dharla and Dudhkumar rivers of the northern region may rise rapidly
Water levels of the major rivers continued rising following onrush of huge water amid monsoon rains from the upstream in the Brahmaputra basin during the last 24 hours ending at 9am on Sunday.
Officials of Bangladesh Water Development Board (BWDB) said water levels of major rivers might continue to rise rapidly during the next 72 hours in the basin where the Teesta, Dharla, and Dudhkumar might create a flash flood situation during the next 48 hours.
A bulletin of Flood Forecasting and Warning Center (FFWC) of BWDB on Sunday said there is a chance of heavy rainfall in the northern and northeastern regions and sub-Himalayan West Bengal, Sikkim, Assam and Meghalaya states of India in the next 48 hours.
“As a result, water levels of the Teesta, Dharla and Dudhkumar rivers of the northern region may rise rapidly at times during this period creating a flash flood situation in the Brahmaputra basin,” the bulletin said.
The recorded rainfalls during the last 24 hours ending at 9am Sunday were 280mm at Cherrapunji, 46mm at Shillong, and 37cm at Dhubri points of the northwestern Indian states in the upstream.
“Besides, the BWDB recorded 143mm rainfalls at Dalia and 100m at Jamalpur monitoring points in the Brahmaputra basin during the same period,” the bulletin said.
Water levels of the Dharla rose by 15cm at Kurigram, Ghagot by 4cm at Gaibandha, Brahmaputra by 36cm at Noonkhawa, and 25cm at Chilmari and Teesta rose by 10cm at Dalia, and 3cm at Kawnia points during the last 24 hours till 9am Sunday.
Besides, water levels of the Jamuna rose by 16cm at Fulchhari, 17cm at Bahadurabad, and 2cm at Sariakandi and remained steady at Kazipur and while fell by 4cm at Sirajganj points during the period.
However, all of the major rivers were flowing below their respective danger marks at all monitoring points in the Brahmaputra basin
The Dharla was flowing 76cm below danger mark (DM) at Kurigram, Brahmanpara by 128cm at Noonkhawa and 86cm at Chilmari, Teesta by 10cm at Dalia, and 34cm at Kawnia Ghaghot was flowing below the DM by 157cm at Gaibandha points.
Besides, the Jamuna was flowing 112cm below the danger mark (DM) at Fulchhari, 109cm at Bahadurabad, 129cm at Sariakandi, 217cm at Kazipur and 127cm at Sirajganj points at.
Talking to BSS, Chief Engineer for Rangpur zone of BWDB Engineer Jyoti Prosad Ghosh said water levels of the Dharla, Teesta, Brahmaputra, and Jamuna rivers might continue to rise further during the next 48 hours.
“We are closely monitoring the situation and ready to take immediate steps on an emergency basis, if needed, anywhere in all eight districts of Rangpur division under Rangpur zone of BWDB,” he said.
Engineer Ghosh said there is a possibility of a flood in low-lying areas on the Brahmaputra basin where water levels of the Teesta, Dharla, and Dudhkumar rivers might rise rapidly at times during the next few days following monsoon rains in the upstream.