This type of turbulence is generally caused when strong winds hit a mountain range (mostly perpendicular) and their flow is ...

There are three main types of lenticular clouds: altocumulus standing lenticular (ACSL), stratocumulus standing lenticular (SCSL), and cirrocumulus standing lenticular (CCSL), varying in ...

There are three main types of lenticular clouds: altocumulus standing lenticular (ACSL), stratocumulus standing lenticular (SCSL), and cirrocumulus standing lenticular (CCSL), varying in altitude ...

UFO-shaped cloud displays have appeared over the sky in a rare sight for parts of the UK. Several UFO sightings over northern skies in the UK have previously been explained by these cloud formations.

As air is blown over the mountain or hill it produces a standing-wave pattern, and these clouds form in the crest of the waves. When illuminated by the rising or setting sun, lenticular clouds ...

Some also refer to them as pancake clouds, because they sometimes appear flat and stacked. But they are formally called lenticular clouds ... set up a train of large standing waves in the air ...

What has been observed may look like flying saucers but they are actually lenticular clouds, also referred to by some as pancake or UFO clouds. At their most spectacular around sunrise or sunset ...