Antarctica's ozone hole has company: A rare hole over the Arctic. "They … 2020 National Geographic Partners, LLC. In rare … A rare cloud was snapped over Langwathby in Cumbria on Thursday evening. They are high-altitude clouds, seen at heights between 49,000 … The clouds were fluffy with lots of colors showing on the sides of them. They're visible when fading light at sunset passes through tiny ice crystals blown along by a strong jet of stratospheric air. The clouds are usually seen over Norway and other polar regions, when the sun is just below the horizon so it's a rare treat to see them in the UK. This means that every time you visit this website you will need to enable or disable cookies again. Source: Distrita Own Experience – Photo: Michal Bergseth, We are using cookies to give you the best experience on our website. They were expected, however, because stratospheric temperatures over Ireland and UK are very low and forecast to remain so for a … Dec 3, 2012 - This Pin was discovered by Viola Corradi. The stratosphere is the 2nd layer in the atmosphere, after the troposphere. Still, the clouds are hardly the biggest threat to the ozone layer. ), "These clouds are more than just a curiosity," Andrew Klekociuk, an atmospheric scientist with the Australian Antarctic Division, previously told National Geographic. I could see out of my window something was so bright at the dark sky, then i could see those clouds… Commonly known as noctilucent (“night-shining”) clouds, they only form at temperatures below -78°C. The colours are reminiscent of the colours which reflect from a thin layer of oil on top of water, an effect known as iridescence. After doing some researches. 182 Incredibly rare sighting over northern Sweden as 'polar stratospheric cloud' shimmers in the sky . Lenticular clouds are lens-shaped and often look like flying saucers. They are jewels in the stratosphere. Pitts said mountain wave clouds at such high altitudes are rare because they only form when the jet stream is properly aligned with the edge of the polar vortex, a large air pressure system over the poles. This amazing phenomena was taking on film in Sweden. In the Boulder, Colorado area, the obstacle is the Front Range of the Rocky Mountains, seen at the bottom of the picture. On Christmas Eve, right after the sunset, a rare phenomenon occurred on the sky above my birth town. So there I was, climbing the nearest hill dressed up for Christmas, slightly anxious about my expensive suit among all the trees and bushes, setting up my gear to try to get one of these be-there-at-the-right-time shots. That's an unusual place to spot them, as they usually appear along polar regions. On the 24th of January 2020. Air moves up and over a mountain, with the lenticular cloud forming just past the mountaintop. “At one point I would say that close to 25% of the sky was … Funny, animated GIFs: Your favorite computer file type! I would think that because of the looks that this is Lenticular Clouds but they are also much smaller in the looks. Strictly Necessary Cookie should be enabled at all times so that we can save your preferences for cookie settings. 379 votes, 11 comments. I found out that these clouds are very rare. PSCs are extremely rare and are regarded by many as the most beautiful clouds on Earth. Cookie information is stored in your browser and performs functions such as recognising you when you return to our website and helping our team to understand which sections of the website you find most interesting and useful. Normally, the stratosphere has no clouds at all. They are much smaller but some sort of particles gives the edges this specter of colors. your own Pins on Pinterest A few times each winter, however, icy clouds form when the temperature in the stratosphere drops below -85C. They are less likely to be rainbow colored and tend to glisten like crystal due to the level of ice contained in them. An incredible arctic phenomenon took place in the skies of northern Sweden yesterday (December 29) as a "polar stratospheric cloud" was seen in its rainbow-coloured glory. I will update this article. The cold air the storm blew in also led to the formation of beautiful nacreous clouds. PSCs are far more rare than auroras. These reactions lead to the production of free radicals of chlorine in the stratosphere which directly destroy ozone molecules. They are mostly visible within two hours after sunset or before dawn when they blaze unbelievably bright with vivid and slowly shifting iridescent colours. It seems like they are the polar versions of them for me: Lenticular, or lee wave, clouds form downwind of an obstacle in the path of a strong air current. That would come in the form of manmade chemicals like CFCs, HCFS, freon, and halons, most of which have been dramatically reduced thanks to international agreement. The filmer explained: "These clouds - also called 'Nacreous clouds,' or 'mother-of-pearl clouds,' are rare but once seen are never forgotten. All rights reserved. No need to register, buy now! Wind blows most types of clouds across the sky, but lenticular clouds seem to stay in one place. Best tips on how to visit Tivoli Friheden in Aarhus in Denmark, Fine for riding light rail Tram and Metro without ticket in Oslo, Norway. Officially pronounced with a … This website uses cookies so that we can provide you with the best user experience possible. Special reactions that occur on PSCs, combined with the isolation of polar stratospheric air in the polar vortex, allow chlorine and bromine reactions to produce the ozone hole in Antarctic springtime. Find the perfect polar stratospheric clouds stock photo. Some really rare clouds were spotted in Oslo (Norway) that I have never seen before. Witnessing displays this extraordinary can be a once-in-a-lifetime experience. While not quite a hurricane, Storm Henry battered the northern U.K. with winds up to 60 miles per hour (97 kilometers per hour), causing flooding and disrupting power for thousands. During the last few days we have been so incredibly lucky to observe lenticular polar stratospheric clouds in the south and southeast of Iceland. Rare Shimmering Rainbow Clouds Appear Over the U.K. https://www.nationalgeographic.com/news/2016/02/160203-nacreous-clouds-scottland-england-uk-rainbow-clouds-polar-stratospheric.html. Also called polar stratospheric clouds (or less precisely, rainbow clouds), nacreous clouds normally only form in high latitudes and at extremely cold temperatures. stratosphere cause polar stratospheric clouds (PSCs) to form. These polar stratospheric clouds (PSC) are known in Scandinavia as “Perlan clouds” meaning “pearl” or “mother of pearl.”. "After a hurricane comes a rainbow," Katy Perry sings in her hit Firework. If you disable this cookie, we will not be able to save your preferences. Nacreous clouds, sometimes called mother-of-pearl clouds, are rare but once seen are never forgotten. The shimmery phenomena above were photographed near Whitley Bay, Northumberland, in northern England. Nacreous clouds are polar stratospheric clouds that occur high in the stratosphere moments after sunset in regions close to or in the Arctic Circle. 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