MACI MACPHERSON OF the US National Parks Service took these amazing photographs near Desert View in Grand Canyon national park.
The phenomenon on show is a what’s called a total cloud inversion, explained here by the Washington Post:
The fog formed due to what’s known as a total temperature inversion. This occurs when a cold layer of air is trapped at the base of the canyon and is topped by a warmer layer. On clear, calm nights, the rate of cooling near the surface increases and, if there is low level moisture present, condensation processes kick in and fog forms. And on Thursday at the Grand Canyon, recent rains in the region provided the moisture necessary for the fog to develop.
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