Explore Ice Crystals, Natural Phenomena, and more!

The fire rainbow is the rarest of all naturally occurring phenomena. The clouds must be cirrus and at an altitude of 20,000 feet at least. There must be just the right amount of ice crystals present, as well.     The sun has to hit the clouds at exactly 58 degrees. It makes the rainbow appear to be on fire, hence the name. It’s actually cold as ice, though. In the weather world, the phenomena is known as a circumhorizontal arc.

IT'S A SONIC RAIN BOOM! Circumhorizon Arc (aka Fire Rainbow) - an ice halo formed by ice crystals located in cirrus clouds. Light passes through the hexagonal crystals and if seen at the right angle forms a rainbow cloud.

Fire rainbows are not actually rainbows and have no connection with fires. The true name for this exquisitely beautiful optical effect is “circumhorizontal arc”. The phenomenon can only be viewed under certain precise conditions: the cirrus clouds that act as prisms must be at least 20,000 feet high and the sun must strike them when it is at an elevation of 58 to 68 degrees. Fire rainbows are never seen at locations situated more than 55 degrees north or south.

Fire rainbows are not actually rainbows and have no connection with fires. The true name for this exquisitely beautiful optical effect is “circumhorizontal arc”. The phenomenon can only be viewed under certain precise conditions: the cirrus clouds that ac

The phenomenon, called a Sundog, happens when ice crystals appear in clouds and refract the sun's rays. Taken in Heyworth, Illinois, US.

Cloud Art or Nature's Cloud Symphonies: this multi-coloured cloud phenomenon is called Sundog: rainbow cloud when ice crystals appear in clouds & refract sun's rays. Photographer Robert Arn, here in Heyworth, Illinois, US

13 fenômenos naturais espetaculares pouco conhecidos - Mega Curioso

13 fenômenos naturais espetaculares pouco conhecidos

NATURAL:Lenticular Clouds, they are masses of cloud with strong internal uplift, they are formed as wind speeds up while moving around a large land object such as a mountain

Fire Rainbows – the rarest of all naturally occurring atmospheric phenomena. The clouds needed for these rare events have to be cirrus and at least 20,000 feet in the air, with just the right amount of ice crystals. The sun also has to hit the clouds at precisely 58 degrees.

A rainbow is seen near a cloud south of Corvallis, Ore., Monday, May (Photo by Andy Cripe/AP Photo/The Corvallis Gazette-Times)

Resultado de imagem para anjos guardiões e espiritos protetores

12 Types of Clouds That Are Awesome - Angel - Cloud formations that look like objects.

This bizarre mammatus cloud formation appeared after a tornado hit near Lake Ontario, Canada. P. Naslund

telescopic skies // bizarre mammatus cloud formation appeared after a tornado hit near Lake Ontario, Canada.

Fenômeno raro, conhecido como arco-íris de fogo, é formado pelo reflexo da luz solar em nuvens cirrus (Foto: Reprodução/Instagram/icrw70)

Fenômeno raro, arco-íris de fogo é fotografado em praia dos EUA

Beachgoers Snap Stunning Photos of Rare 'Fire Rainbow' in South Carolina Sky - ABC News

Das Phänomen, genannt "Sun Dog ein""," geschieht, wenn die Eiskristalle in den Wolken erscheinen und die Sonnenstrahlen brechen. ,

Photographer captures rare 'fire rainbow cloud' above Florida as Mother Nature puts on spectacular light show Ken Rotberg spotted unusual phenomenon as sun dropped behind a storm cloud in the early evening Rare sight also known as a 'circumhorizon arc'.

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