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

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 ...

A “roll cloud” spotted off the coast of Portugal looked like something out of a movie. Here’s the science behind it.

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

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, ...

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

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

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

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

People in Portugal witnessed one of the most beautiful natural phenomena– after ‘roll clouds’ took over the ocean, turning it ...