Dozens of baffled Scots reported seeing ‘ UFO formed clouds ’ throughout the skyline on Saturday night time.
The orb-shaped clouds have been noticed throughout the nation, together with the capital metropolis, the place bemused locals shared pictures of the phenomena on social media.
However the Met Workplace has supplied an evidence concerning the uncommon sightings which are literally lenticular clouds, Edinburgh Stay stories.
The forecaster mentioned that such lens-shaped clouds kind when the air is steady and winds blow throughout hills and mountains from the identical or comparable path at completely different heights.
Pilots on aeroplanes keep away from them because of turbulence.
Bigger formations of the clouds have been pictured over northern Scotland and the borders earlier this 12 months.
A Met Workplace spokesperson defined: "These unusual, unnatural wanting clouds generally kind downwind of hills or mountains.
"They're fairly uncommon within the British Isles however do often happen.
“They appear quite a bit like the normal form of alien craft in science fiction, and actual lenticular clouds are believed to be one of the vital widespread explanations for UFO sightings the world over.
"When air blows throughout a mountain vary, in sure circumstances, it may arrange a prepare of enormous standing waves within the air downstream, somewhat like ripples forming in a river when water flows over an obstruction.
"If there's sufficient moisture within the air, the rising movement of the wave will trigger water vapour to condense, forming the distinctive look of lenticular clouds.
"Lenticular clouds are a visual signal of mountain waves within the air. Nevertheless, these waves will be current past the clouds, and should exist even when no clouds are shaped.
"On the bottom, they may end up in very sturdy gusty winds in a single place, with nonetheless air only some hundred metres away.
"Pilots of powered plane are likely to keep away from flying close to lenticular clouds due to the turbulence that accompany them.
"Expert (and courageous) glider pilots, then again, like them, as a result of they'll inform from the form of the clouds the place the air will likely be rising."
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