The Weight of a Cloud
How a cloud forms, holds its water and lets it fall
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Wren: 32 min · Hollis: 35 min
See the appYour chapters
Where the washing went
evaporation, water vapour, humidity
The gap at the spout
condensation, saturation, dew point, condensation nucleus
The warm air climbs
thermal, updraft, air pressure, cloud base, cumulus, latent heat
A hundred elephants
cloud droplet, drag, terminal velocity
A million droplets
collision, coalescence, raindrop, ice crystal, virga
Rain on the slates
the wind-down