Cloud-spotters around the world are calling for a ‘new’ kind of cloud to be recognized.
Undulatus asperatus, says Britain’s Cloud Appreciation Society is a cloud variant that, until recently, had gone unnoticed.
If accepted by the international body that governs cloud classification, it will take its place in a lineage that dates back to the 1800s.
We want to see your best cloud pictures. Post them in the comments below.