Cumulus Humilis Clouds Seen From An Aircraft #1
by Stephen Burt/science Photo Library
Title
Cumulus Humilis Clouds Seen From An Aircraft #1
Artist
Stephen Burt/science Photo Library
Medium
Photograph - Photograph
Description
Cumulus humilis clouds seen from an aircraft over south-western Saskatchewan, Canada. The aircraft is at an altitude of 11,600 metres, and the outside air temperature is minus 59 degrees Celsius. Cumulus clouds typically occur under 2000 metres altitude. They form from water vapour in rising columns of air which condenses as it cools. Cumulus clouds often form at cold fronts where the advancing, cool air forces warm air upwards. The humilis variety occurs either as the first stage of the formation of other cumulus types, or when heat transfer (convection) in the atmosphere is weak. Due to its shallow depth, cumulus humilis does not produce any significant weather. Photographed in summer.
Uploaded
February 18th, 2021
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