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,” an ...

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

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

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

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 ...