A rare and stunning roll cloud formation captivated beachgoers in Portugal, resembling a massive horizontal wave. The unusual ...

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

A dramatic “roll cloud“ spotted up and down the country’s central coast formed during a weeklong heat wave.

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

O n June 29, 2025, Portugal witnessed a rare "tsunami" roll cloud. This strange and scary weather event caused a massive roll ...

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

Portugal like much of Europe has been experiencing a heat wave in recent days, but another rare weather phenomenon also ...

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

A record-breaking roll cloud, described as a massive ocean wave, rolled over the Atlantic during a heatwave in Portugal and ...

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

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