Lenticular cloud
Videos
Lenticular clouds are stationary clouds that form mostly in the troposphere, typically in parallel alignment to the wind direction. They are often comparable in appearance to a lens or saucer. Nacreou
Dramatic lenticular cloud formation over Harold's Cross, Dublin
Lenticular cloud over the Antarctic ice near Scott Base
A lenticular cloud covers the summit crater of Mayon Volcano, Philippines.
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°
Lenticular cloud
…form mostly in the troposphere, typically in parallel alignment to the wind direction. They are often comparable in appearance to a lens or saucer. Nacreous clouds that form in the lower stratosphere sometimes have lenticular shapes. There are three main types of lenticular clouds: altocumulus standing lenticular…
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.