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 ...

Beachgoers in Portugal scrambled for cover over the weekend as the sweltering heat gave birth to a rare “tsunami roll,” an ominous wave of dark clouds over the water. Viral video of Sunday’s ...

A “tsunami roll” cloud phenomenon has appeared over the beaches of Portugal, mesmerizing and shocking beachgoers. This rare sighting rolled over Portugal’s beaches on Sunday, June 29, according to the ...

With approximately 110 miles of shoreline, Santa Barbara County is susceptible to the impacts of tsunamis. According to the National Oceanic and Atmospheric Administration (NOAA), tsunamis are giant ...