Noctilucent cloud
Videos
Noctilucent clouds, or night shining clouds, are tenuous cloud-like phenomena in the upper atmosphere. When viewed from space, they are called polar mesospheric clouds, detectable as a diffuse scatter
Noctilucent clouds over Laboe, Germany
Noctilucent clouds over Uppsala, Sweden
Noctilucent clouds during arctic dawn seen from high altitude
The A167 dual carriageway through Gateshead, with noctilucent clouds in the sky.
Polar stratospheric cloud
Videos
A polar stratospheric cloud is a cloud that forms in the winter polar stratosphere at altitudes from 15,000 to 25,000 m. They are best observed during civil twilight, when the Sun is between 1° and 6°
Noctilucent cloud
…Cloud iridescence Polar stratospheric cloud Space jellyfish…
Antarctic stratospheric cloud (nacreous clouds)
First documented appearance of a polar stratospheric cloud over Switzerland and Italy, seen from Brissago, Ticino, Switzerland on 22 December 2023
Polar stratospheric clouds over Western Norway
Polar stratospheric cloud in Elverum, Norway.