Imagine enjoying a peaceful beach day in Portugal... when the sky suddenly unleashes a terrifying wave-like cloud! Caught on ...

A rare roll cloud was seen passing over several beaches in Portugal on Sunday, June 29. The phenomenon features a cloud that ...

Beachgoers in Portugal scrambled for cover over the weekend as the sweltering heat gave birth to a rare “tsunami roll,” or ...

A rare 'tsunami roll' appeared in the sky off the coast of northern Portugal on Sunday, 29 June, causing beachgoers to flee ...

The dark, tsunami-like cloud formation billowed across parts of Portugal’s northern and central coasts, as the country set a ...

Rare roll cloud phenomenon advances over the ocean like a giant wave, captivating onlookers and spreading rapidly online.

It resembles a giant wave rolling across the sky. Read more at straitstimes.com. Read more at straitstimes.com.

The intense weather has also caused unique weather phenomena – in Portugal, a ‘roll cloud’ went viral after footage of the ...

A viral video making the rounds on social media shows beachgoers in Portugal encountering an enormous and unnervingly tsunami-like cloud rolling in. Footage shows an enormous, foreboding wall of ...

Beachgoers in Portugal were left stunned after an ominous cloud resembling a towering tidal wave engulfed the coast earlier ...

Roll clouds seen in Portugal following heatwave as temperatures hit over 107 °F with heavy rain, thunderstorms, and hail.

Tsunami cloud rolls over Portugal on June 29. “These clouds are spectacular,” Paulo Ceppi, a senior lecturer in climate science at Imperial College London, told The Washington Post.