No rain fell before the wall of water hit.

At least eight dead and 384 missing, most of them foreign tourists and pilgrims.

Warming has stripped the permanent ice binding Nepal’s slopes, so a rock-and-ice collapse into the Bhote Koshi produced a surge no rainfall gauge could have flagged.

China’s Xi Jinping ordered searches on the Tibetan side, where the flood struck first.

Sources: CBS News, News18, RT, Al Jazeera Online, Haberler.com