Beautiful weather phenomena2/18/2024 ![]() "I felt very lucky to have seen this in India. "I usually get images of them from Florida, Southeast Asia, equatorial Africa." "Not all pileus caps show iridescence," he said. "But the beauty of it really moved me, so I just took as many shots of it as I could."Ī good call, according to Cowley, who says the rainbow clouds aren't a common occurrence. "For a moment we thought it was a portal opening for an alien species to come to Earth," said Harish, who had never seen a rainbow cloud before. Though the ingredients for rainbow clouds seem simple, they're not spotted often, and are even less frequently photographed. The Aurora Borealis, more commonly known as the northern lights, is a natural light display caused by collisions between gaseous particles in the Earth’s atmosphere with charged particles released from the sun’s atmosphere. "The droplets in the cap cloud scatter sunlight to form the gorgeous colors," Cowley said. This "cap"-which scientists call a "pileus"-is the source of the brilliant spectacle. And sometimes moisture in that air suddenly condenses into tiny droplets to form a cap cloud." "As the air gets pushed upwards, it expands and cools. "What happens is that the cumulus cloud, boiling upwards, pushes the air layers above it higher and higher," Cowley explained. The color we see is determined by the different wavelengths of light, plus the. Scattering occurs when light rays hit particles in the air, changing the direction of the light. This stems from the fact that most rainbow clouds form on top of cumulus clouds-the fluffy cotton-ball-shaped clouds we often see in children's drawings. The colors we see or don't see in a sunset are the results of a scientific phenomenon called light scattering, according to the University of Wisconsin-Madison. According to atmospheric phenomena expert Les Cowley, they often appear in the late afternoon, on very hot and humid days. Like common cloud-to-ground rainbows, iridescent clouds usually accompany thunderstorms. And the recipe for these heavenly sights is actually pretty simple. Iridescent clouds, known as "fire rainbows" or "rainbow clouds," occur when sunlight diffracts off water droplets in the atmosphere. "As I was working on a shot of a dewdrop, my friend spotted an exuberant colored patch peeking above a cloud." "I decided to take some shots of the after-shower scenery," said Harish. It was captured in mid-July, shortly after a summer rainstorm, an ideal condition for rainbow clouds. Harish, a university student and amateur photographer from Noida, India. This photo was submitted to National Geographic by V. It's an iridescent cloud, a phenomenon occurring right in our own atmosphere. But this breathtaking photo is neither manipulated nor paranormal. At first glance it looks like an angelic mural or even extraterrestrial activity. A halo of multicolored mist floats over an ominous storm.
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