Northern parts of the UK have been treated to the stunning sight of lenticular clouds. Matt Taylor explains how they form.

Taieri Pet is an altocumulus lenticularis, or lenticular cloud. It is a relatively rare occurrence that forms at altitudes ...

These lenticular clouds were spotted over Clackmannanshire on Thursday afternoon The meteorological name for the clouds is altocumulus lenticularis. Lenticularis is Latin for lens-shaped ...