A rare phenomenon called a "roll cloud" covered Portugal beaches on Sunday, June 29 The tsunami-like formation shocked beachgoers, many of whom filmed the moment Scientists say the cloud was caused by ...

A viral video has been bopping around, with scenes like a disaster movie, as beachgoers in Portugal begin to flee the beach when an ominous, tsunami-like cloud begins to crash over the sand. It’s a ...

Images shared across social media showed a huge horizontal wall stretching from the horizon towards the shore, accompanied by a violent gust of wind when it reached land. 'Felt like a tsunami out of a ...

A rare weather sighting occurred in Portugal as tourists and locals witnessed a one-of-a-kind cloud in the sky in recent days. (See the video at the top of this article.) A "tsunami" roll, also known ...