Imagine a dazzling band of colors stretching across the sky, not caused by rain but by ice – a fire rainbow, or more precisely, a circumhorizontal arc, appearing in high cirrus clouds [2][3].

Fire Rainbows: Understanding Circumhorizontal Arcs - Eco-Friendly Living

APOD: 2021 August 30 - A Fire Rainbow over West Virginia

This rare spectacle occurs when the sun is over 58 degrees high, allowing light to refract through horizontally aligned, hexagonal ice crystals, much like a natural prism [10][17].

What Is A Fire Rainbow? - WorldAtlas

The effect resembles dancing flames across the horizon, with vivid hues spread neatly in a horizontal band, distinct from an ordinary rainbow [16][20].

"Fire Rainbows" - Circumhorizonal Arc Phenomenon Stunning and Rare ...

Circumhorizontal Arc... or "Fire Rainbow" over the Pacific Northwest ...

Such an enchanting phenomenon reminds us of the intricate interplay between sunlight and ice in our atmosphere, a true marvel of nature [2][3].

The Fire Rainbow: Beautiful and Rare Circumhorizontal Arc ~ Kuriositas

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Fire Rainbow Wonders

Imagine a dazzling band of colors stretching across the sky, not caused by rain but by ice – a fire rainbow, or more precisely, a circumhorizontal arc, appearing in high cirrus clouds [2][3]. 
This rare spectacle occurs when the sun is over 58 degrees high, allowing light to refract through horizontally aligned, hexagonal ice crystals, much like a natural prism [10][17]. 
The effect resembles dancing flames across the horizon, with vivid hues spread neatly in a horizontal band, distinct from an ordinary rainbow [16][20]. 
Such an enchanting phenomenon reminds us of the intricate interplay between sunlight and ice in our atmosphere, a true marvel of nature [2][3]. 


Fire Rainbow Wonders

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