A rare roll cloud was seen passing over several beaches in Portugal on Sunday, June 29. The phenomenon features a cloud that ...

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

The 'roll cloud', reminiscent of a tsunami wave, hit several beaches along the Portuguese coast. This rare meteorological ...

A viral video making the rounds on social media shows beachgoers in Portugal encountering an enormous, tsunami-like cloud ...