If this occurs at night, and there’s a background source of light scattering off the clouds, then they are often mistaken as 
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Gorgeous natural phenomena: Lenticular Clouds
Air flow along the surface of the Earth gets disrupted by obstructions
Other air flowing past this region will create standing waves
If the temperature at the wave crests drops low enough, the air condenses to form clouds.pic.twitter.com/hqR90gRnBX
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I suspect its a
#geoengineering'd cloud, do you see the top of it near where the Sun is focused on the top you can see hews of colour, using spectorgraphy we can ascertain what chemicals are present in that cloud, water reflects white.#chembow. yikes! https://twitter.com/InertialObservr/status/1133594879664173056 …This Tweet is unavailable.Thanks. Twitter will use this to make your timeline better. UndoUndo
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