Fire Rainbow over Cape Town – South Africa

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Strange colourful lights were seen in Overberg close to Cape Town South Africa. These rainbow formations are horizontal and are very rare and only formed in summer. Fire Rainbow over Cape Town – South Africa

It is believed to be called Fire Rainbows. A colourful “fire rainbow” lit up the sky, from Cape Town To Caledon and Hermanus, this week. But despite its name, the rare phenomenon isn’t related to recent wildfires. Instead, it’s caused by a unique alignment of forces in the atmosphere. Technically called a circumhorizontal arc, fire rainbows are caused by light passing through wispy, high-altitude cirrus clouds.

This one was seen over Overberg (Hermanus, Caledon and Bredasdorp – Western Cape) for about an hour. It was photographed and uploaded to Instagram.

Fire rainbows occur only when the sun is very high in the sky (more than 58° above the horizon). What’s more, the hexagonal ice crystals that make up cirrus clouds must be shaped like thick plates with their faces parallel to the ground.

Watch this video on YouTube filmed by a by-passer on the Hemel and Aarde Road close to Hermanus and Caledon South Africa.

Fire Rainbow Cape Town, South Africa

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Fire Rainbow over Cape Town – South Africa

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