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

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

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

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

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

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

Cloud Tsunami A viral video making its rounds on social media shows geachgoers in Portugal encountering an enormous and ...

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 ...

A rare roll cloud stunned beachgoers in Portugal as it swept across the sky during a heatwave. Watch the breathtaking moment.

Extreme weather conditions have been felt across Europe from very rare "roll clouds" on Portuguese beaches to wildfires in ...