Sea of clouds fills Grand Canyon in spectacular weather phenomenon

A breathtaking weather phenomenon turned the Grand Canyon into a cauldron of soupy cloud cover on Thursday

The rare scenes were caused by a temperature inversion, which involves cold air filling the canyon while warm air lies above it, trapping the fog in place since the denser cold air hugs the ground.

See also: Mesmerizing drone video reveals a foggy Dallas from above

The result, a layer of low-lying clouds, or fog, produced the spectacular sight and turned the canyon into a sea of clouds. Those clouds appear to lap at the edges of the canyon in the video below (from Thursday), filling the canyon to the brim with only the tiniest edges of walls peeking out. Read more...

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