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

Stunning photos and videos of the weather phenomenon were captured by beachgoers on Sunday, June 29 A rare phenomenon called ...

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 ...

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

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.

A rare roll cloud surprised beachgoers in Portugal amidst a severe heatwave, appearing along the coast on Monday. This ...

A rare "roll cloud" phenomenon resembling a tsunami startled beachgoers in Portugal, triggering strong winds. What is this ...

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

The rare arcus cloud, which is very similar to a tsunami, was seen by beachgoers who looked on as the sky turned dark and ...

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