This incredible time-lapse captures the creation of a cloud inversion in the Grand Canyon. Full cloud inversion is how this phenomenon is known in the USA, but it’s actually called temperature inversion.

Temperature inversion occurs when temperature behaviour changes in the troposphere. This means the temperature no longer decreases with height. Instead a surface layer of cool air is overlain by a layer of warmer air. The result is often a smoke or cloud ceiling, but in the Grand Canyon this phenomenon creates a thick layer of cloud cover that hides the deep canyon.

Watch the cloud inversion in the video below:

This video is part of an ongoing crowdfunded project that explores the effects and dangers of urban light pollution. The project is called SKYGLOW.

Video credit: SKYGLOW PROJECT/SKYGLOWPROJECT.COM