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Stunning sight: A rare solar halo in the sky above Huangshan city, Anhui Province, in China. The effect is created when the sun shines through hexagonal crystals in high-altitude cirrus clouds

Stunning sight: A rare solar halo in the sky above Huangshan city, Anhui Province, in China. The effect is created when the sun shines through hexagonal crystals in high-altitude cirrus clouds

How cirrus clouds form (and why that matters) | MNN - Mother Nature Network

How cirrus clouds form (and why that matters) | MNN - Mother Nature Network

This is a non-linear power point about clouds.  There is a brief review of cumulus, stratus, and cirrus clouds following a self-correcting quiz.  Enjoy!

This is a non-linear power point about clouds. There is a brief review of cumulus, stratus, and cirrus clouds following a self-correcting quiz. Enjoy!

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 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.

Saatchi Art Artist Twyla Gettert; Painting, "Cirrus Cloud II, Blue Grey Abstract" #art

Saatchi Art Artist Twyla Gettert; Painting, "Cirrus Cloud II, Blue Grey Abstract" #art

Wall clock with sunny cirrus and cumulus cloudscape mix on the blue sky, clouds in a good weather. #blue #cirrus #cloud #clouds #cloudscape #cumulus #day #daytime #sky #sunny #weather #Redbubble #product #wallclock #clock #gift

Wall clock with sunny cirrus and cumulus cloudscape mix on the blue sky, clouds in a good weather. #blue #cirrus #cloud #clouds #cloudscape #cumulus #day #daytime #sky #sunny #weather #Redbubble #product #wallclock #clock #gift

Fire rainbows are the rarest of all naturally occurring atmospheric phenomena. For a fire rainbow to occur, cirrus clouds must be 20,000 feet in the air with the precise amount of ice crystals, and then the Sun must hit the clouds at 58 degrees. *Stardust*

Fire rainbows are the rarest of all naturally occurring atmospheric phenomena. For a fire rainbow to occur, cirrus clouds must be 20,000 feet in the air with the precise amount of ice crystals, and then the Sun must hit the clouds at 58 degrees. *Stardust*

Fire rainbows are the rarest of all naturally occurring atmospheric phenomena. For a fire rainbow to occur, cirrus clouds must be 20,000 feet in the air with the precise amount of ice crystals, and the sun must hit the clouds at 58 degrees. ~Poppet

Fire rainbows are the rarest of all naturally occurring atmospheric phenomena. For a fire rainbow to occur, cirrus clouds must be 20,000 feet in the air with the precise amount of ice crystals, and the sun must hit the clouds at 58 degrees. ~Poppet