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

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

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

Check out these breathtaking mammatus clouds that lit up the skies over Bryan last month, leaving Texans in awe of the dramatic natural display.

A dramatic video showing a "roll cloud" over a beach in Portugal is going viral on social media, leaving netizens mesmerised.

People enjoying the sunshine at a beach were shocked when they witnessed a rare 'tsunami roll' that looked like it was 'out ...

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

Have you ever looked up at the sky and been struck speechless by a cloud so strange it seemed like a message from another ...

A “tsunami roll” cloud phenomenon has appeared over the beaches of Portugal, mesmerizing and shocking beachgoers. This rare ...

Our Thursday morning has started out with a few clouds rolling through the sky and with temps in the lower 70s. Despite the clouds, thankfully the sun as been able to shine this morning. As we go ...