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…