People relaxing on Furadouro beach, south of the city of Porto, saw a huge cloud rolling in from over the ocean.

Check out this incredible roll cloud spotted off the coast of Portugal on Sunday. Roll clouds are most common with ...

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

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

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

On Sunday, across some parts of the northern and central Coast of Portugal, a “roll cloud”, as it is commonly referred to, ...

Mediterranean countries have been sweltering in a heatwave for several days, prompting health warnings and alerts about ...

Beachgoers in Portugal were left terrified after spotting what appeared to a tsunami heading their way this week. Thankfully, ...

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

A spectacular rolling cloud, a rare occurrence, stuns Portuguese bathers in the midst of an intense summer heat wave.

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

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