'Fire rainbow' cloud seen near Clearlake

Spectacular "fire rainbow" cloud was seen near Clearlake around 1 p.m. Friday.

These are called 'fire rainbow' clouds because they look like a rainbow on fire. The scientific classification is circumhorizontal arc clouds. They form when sunlight enters horizontally-oriented, flat, hexagon ice crystals in high cirrus clouds.

A News10 viewer took photos of the "fire rainbow" while driving north near Clearlake Friday afternoon.


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