the.com/cloudburst

a sky that loses its composure all at once, drowning towns in minutes

means A cloudburst is a sudden, intense downpour of rain over a small area in a short span of time, often heavy enough to cause flash flooding.

from A plain English compound of 'cloud' and 'burst,' built on the old folk image of a cloud as a swollen waterskin that splits and spills its load all at once. 'Cloud' comes from Old English 'clud,' which oddly first meant a mass of rock or a hill — a lump in the sky and a lump on the ground sharing one word — while 'burst' descends from Old English 'berstan,' to break suddenly. The picture of a literally bursting cloud is poetic rather than meteorological, but it's stuck around for centuries.

Official rate
100mm of rain in one hour or less
Mountain trap
warm air rams slopes, dumps rain explosively
Flash flood
can fill dry canyons into killer torrents fast
Word origin
once meant clouds literally bursting like balloons
Leh disaster
2010 cloudburst killed hundreds in Indian Himalayas
for instance

delhi cloudburst july 2023 — 47 deaths in one hour, deadliest in delhi in 30 years

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