Very rare Polar Stratospheric Clouds Type II appear over Scandinavia

Very rare Polar Stratospheric Clouds Type II appear over Scandinavia

Northern regions of Scandinavia were treated to a very rare high-altitude spectacle on January 17, 2022, photographer Adrien Mauduit reports. For about 2 hours, rare polar stratospheric clouds (PSC) type II appeared out of nowhere, displaying a staggering…

Ozone hole behind colorful nacreous clouds over the UK and Ireland

Ozone hole behind colorful nacreous clouds over the UK and Ireland

Polar stratospheric clouds (PSCs) are appearing over the United Kingdom and Ireland since January 31, 2016. An extremely rare occurrence for this area, usually restricted to the Arctic Circle, has been photographed by numerous skywatchers. According to experts, the…

Nacreous clouds appear around the Arctic Circle

Nacreous clouds appear around the Arctic Circle

Sky watchers are observing an outbreak of polar stratospheric clouds or PSCs around the Arctic Circle, SpaceWeather reports. Unlike normal grey-white clouds, which hug Earth's surface at altitudes of only 5 to 10 km (3.1 – 6.2 miles), PSCs float through the…