Officially pronounced with a … They are recognized by their unique display of iridescent colors and patterns. Source: Distrita Own Experience – Photo: Michal Bergseth, We are using cookies to give you the best experience on our website. They are less likely to be rainbow colored and tend to glisten like crystal due to the level of ice contained in them. Nacreous clouds are rare and very high clouds, known mainly for the coloured light they reflect after sunset and before sunrise. On August 3, 2017 the Perlan team took the opportunity to get a group photo with early morning Perlan … Antarctica's ozone hole has company: A rare hole over the Arctic. The song could almost describe the scene over Scotland and northern England Tuesday night. 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. Follow Brian Clark Howard on Twitter and Google+. PSCs provide surfaces upon which heterogeneous chemical reactions take place. Interesting to see them. On the 24th of January 2020. Huge collection, amazing choice, 100+ million high quality, affordable RF and RM images. It is something that I have only seen once in my l “Local villagers in both Abisko and Kiruna who are more than 70 years old confirmed they have never seen anything of the size, scale, or intensity,” reports Blakley. Rare Shimmering Rainbow Clouds Appear Over the U.K. Called nacreous or polar stratospheric clouds, the rare phenomena adorned the British sky in the wake of Storm Henry. As a result, risk to the ozone hole has decreased over the past few decades and the layer is thought to be on the mend. Photograph by Owen Humphreys, PA Wire, Associated Press. Such staggeringly-low temperatures are required to help sparse water molecules stick together. The filmer explained: "These clouds - also called 'Nacreous clouds,' or 'mother-of-pearl clouds,' are rare but once seen are never forgotten. A few times each winter, however, icy clouds form when the temperature in the stratosphere drops below -85C. 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. Nacreous clouds, sometimes called mother-of-pearl clouds, are rare but once seen are never forgotten. Wind blows most types of clouds across the sky, but lenticular clouds seem to stay in one place. They are jewels in the stratosphere. Nacreous clouds are polar stratospheric clouds that occur high in the stratosphere moments after sunset in regions close to or in the Arctic Circle. stratosphere cause polar stratospheric clouds (PSCs) to form. This type of clouds is extremely rare to see and have been a welcome addition to the sights on our tours. Lenticular clouds are lens-shaped and often look like flying saucers. 182 Incredibly rare sighting over northern Sweden as 'polar stratospheric cloud' shimmers in the sky . I found out that these clouds are very rare. On the 24th of January 2020. 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. incredible arctic phenomenon took place in the skies of northern Sweden yesterday (December 29) as a "polar stratospheric cloud" was seen in … A powerful outbreak of Polar stratospheric clouds graced the sky above Abisko National Park during the last week of 2019 – just in time for New Year’s Eve! © 1996-2015 National Geographic Society, © 2015- The colors were spanning from white green to violet red color. your own Pins on Pinterest 2020 National Geographic Partners, LLC. No need to register, buy now! Polar stratospheric clouds are rare. The cloud evaporates on the downwind side, so it appears stationary even though air is moving through the cloud. The clouds shine their iridescent filmy colours into the dawn brightening sky. A nacreous cloud was seen near Whitley Bay, Northumberland in northern England on February 2, 2016, delighting observers. So, What type of clouds do you think that they are? Funny, animated GIFs: Your favorite computer file type! In the Boulder, Colorado area, the obstacle is the Front Range of the Rocky Mountains, seen at the bottom of the picture. These polar stratospheric clouds (PSC) are known in Scandinavia as “Perlan clouds” meaning “pearl” or “mother of pearl.”. PSCs are far more rare than auroras. So because of much colder air in the Oslo area, they are thinner yet very rare to spot. In rare … The colours are reminiscent of the colours which reflect from a thin layer of oil on top of water, an effect known as iridescence. That's an unusual place to spot them, as they usually appear along polar regions. Dec 3, 2012 - This Pin was discovered by Viola Corradi. This amazing phenomena was taking on film in Sweden. Normally, the stratosphere has no clouds at all. A rare cloud was snapped over Langwathby in Cumbria on Thursday evening. 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. Nacreous clouds typically form in the winter polar stratosphere, a layer of our atmosphere around 15,000 to 25,000m in altitude. "They … They are mostly visible within two hours after sunset or before dawn when they blaze unbelievably bright with vivid and slowly shifting iridescent colours. Some really rare clouds were spotted in Oslo (Norway) that I have never seen before. Polar stratospheric cloud in Sweden. The stratosphere is the 2nd layer in the atmosphere, after the troposphere. 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. Einar Enevoldson, named the Perlan Project after the rare polar stratospheric clouds that glow pink and blue in the early evening and morning. Specifically, the clouds form surfaces where chemical reactions can take place that produce ozone-destroying molecules, and can contribute to the formation of polar ozone holes. Still, the clouds are hardly the biggest threat to the ozone layer. Ice polar stratospheric clouds (nacreous clouds) form at temperatures below the ice frost point, typically near −85 °C, which is colder than the average lower stratosphere temperature.The characteristic bright iridescent colours, resulting from diffraction and interference of light waves, suggest that the clouds are composed of similarly sized spherical crystals of about 10 μm in diameter. The shimmery phenomena above were photographed near Whitley Bay, Northumberland, in northern England. The cold air the storm blew in also led to the formation of beautiful nacreous clouds. Find the perfect polar stratospheric clouds stock photo. The clouds were fluffy with lots of colors showing on the sides of them. Air moves up and over a mountain, with the lenticular cloud forming just past the mountaintop. However, the two phenomena are not related. Type Two – Involves nacreous clouds that comprise of particles of ice crystals that have low temperatures of about ~minus eighty-five degrees Celsius. So, I think it was nice to take some shots and document them. On Jan. 22, 2020, the students of Earth to Sky Calculus launched a high-altitude balloon directly into an outbreak of polar stratospheric clouds (PSCs) inside the Arctic Circle. These high altitude clouds form only at very low temperatures help destroy ozone in two ways. These clouds are only visible when the sun is below the horizon and they are composed entirely of ice. 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. 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. 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. Oslo is a Polar capital. They're visible when fading light at sunset passes through tiny ice crystals blown along by a strong jet of stratospheric air. "They reveal extreme conditions in the atmosphere and promote chemical changes that lead to destruction of vital stratospheric ozone.". I could see out of my window something was so bright at the dark sky, then i could see those clouds… Please correct me. 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