Science

Himalayan Early Warning Timeline 2020-2026: Satellites, Sensors and the Race to Predict D…

The Himalayan early warning timeline tracks how satellites, ground sensors, weather radar, river gauges, cameras and VSAT communication links have been built i…

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SATELLITE BASELINE

The Himalayas become a continental monitoring problem

Repeated satellite remote sensing gave scientists a view of glaciers, glacial lakes and unstable terrain across terrain too vast for field teams to cover alone. Under In…

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CIRENMACO MODEL

Tibet tests a fuller glacial-lake warning model

Researchers published a monitoring and early-warning system for Cirenmaco, a transboundary high-risk lake near the Nepal border that had already burst once, in 1981, kil…

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SOUTH LHONAK GLOF

South Lhonak shows the warning-chain problem

South Lhonak was already a known, mapped, high-risk lake, and an early-warning system had been planned for it. When a moraine mass collapsed into the lake on the night o…

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RADAR EXPANSION

India's weather-radar backbone expands into the mountains

The India Meteorological Department pushed to more than double its Doppler Weather Radar network, from 37 operational radars toward a planned 126, with dedicated systems…

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SENSOR ROLLOUT

India rolls sensors into its highest-risk glacial lakes

India's National Disaster Management Authority pushed ahead with a three-year mission to install warning systems at close to 190 high-altitude glacial lakes, working wit…

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NEPAL-CHINA COLLAPSE

The disaster that changed the question

A massive section of glacier and rock detached near the Nepal-China border. CNN's analysis found the flood wave covered its first 22 kilometres at an average speed of ro…

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SENTINEL-1 SIGNAL

Satellite warning signs become visible - after the fact

Nature reported that geophysicist Manoochehr Shirzaei analysed Sentinel-1 radar images from the weeks before the collapse, finding the glacier-rock mass accelerating to…

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REBUILD + RISK MAP

Nepal rebuilds, Sikkim remaps 40 lakes

Nepal's NDRRMA began rebuilding its early-warning network at Timure in Rasuwa district with seismic sensors, cameras and a VSAT satellite link, so monitoring can survive…

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