Så vi har allerede overvejet Umester skyer og Kelvin-Helmholtz ustabilitet, såvel som hvad Morning Gloria betyder.
En af de sjældneste skytyper er imidlertid en linseformet sky - en sky med regelmæssig linseform, der ligner den berygtede "flyvende underkop". En interessant detalje - de linseformede skyer bevæger sig næppe, uanset hvor stærk vinden er.
![Image Image](https://i.greatplainsparanormal.com/images/020/image-58575-1-j.webp)
En luftstrøm, der fejer over jordoverfladen, strømmer omkring forhindringer, og der dannes luftbølger. Skyer svæver normalt på den ledside af bjergkæder, bag højderygge og individuelle toppe i en højde på to til femten kilometer.
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Salgsfremmende video:
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Og her udsætter vi de pyramideskyer.