Cloud watchers on the north Wales coast were met with an eerie skyline that looked like it was about to engulf their homes on Tuesday.
People marvelled at the optical illusion which made a huge cloud formation appear like a tsunami in the sky.
The remarkable sight – thought to stretch miles across and thousands of feet high – looked like a foreboding tidal wave and was seen by countless locals across the region.
Residents from places 30 miles apart shared images of the phenomenom.
Maria Taylor, from Llandudno, she took photos of the sweeping cloud bank at the West Shore.
She explained: ‘My son pointed out this strange long cloud at west shore this afternoon’.
It attracted dozens of comments with some saying they had seen it on Anglesey, 30 miles away.
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One onlooker said: ‘It was like a giant wave. Very strange and very unusual.’
Another from Rhyl added that they had ‘never seen anything like it.’
Meg Bleasdale, who captured the scene on video from her house, said: ‘From my bedroom window, really did look like a tsunami.’
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