KathmanduIce and rock collapse, not rain, triggered this flood.
Downstream valleys had an alert that never became an evacuation before the water arrived.
Early warning runs four stages — detect, predict, communicate, act — and Nepal failed at the last two, said Saswata Sanyal of the International Centre for Integrated Mountain Development.
Millions still live below glacial lakes across Nepal, India, Pakistan and Bhutan.
How each outlet framed it
- SciDev.Net
- reconstructs cascade mechanism (ice collapse→blockage→burst) to argue disaster planning must address multi-hazard interactions
Sources: SciDev.Net