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

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

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

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

A rare roll cloud appeared over Portugal’s coast, surprising beachgoers as strong winds hit during an ongoing extreme ...

A rare 'tsunami roll' appeared in the sky off the coast of northern Portugal on Sunday, 29 June, causing beachgoers to flee ...

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

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

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

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

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

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