Rare Weather Phenomenon Causes Panic Among Beachgoers in Portugal A rare weather phenomenon in the form of a massive roll cloud caused panic among beachgoers in Portugal. TRAVELBOOK explains what it ...

GRAND RAPIDS, Mich. (WOOD) — Humidity hovering over the surface of Lake Michigan helped to form a spectacularly skinny roll cloud Monday afternoon over Ottawa County. Roll clouds are rare, usually ...

Check out this incredible roll cloud spotted off the coast of Portugal on Sunday. Roll clouds are most common with thunderstorms, but can also form when cooler air over the ocean sweeps under hot air ...

After a back-to-back days of thunderstorms, we were treated to a beautiful sight as the sun set. As the storms moved out, a roll cloud moved in. Known for their low and horizontal cylindrical shape, ...

A picture of a cloud formation in Virginia that resembles rolling waves is going viral. Weather experts say this type of cloud formation, which was spotted in over Smith Mountain Lake near Roanoke, is ...

This is the spectacular moment clouds rolled over mountaintop like a waterfall in the Philippines. Breathtaking time-lapse ...

Watch rare ‘tsunami’ roll cloud hover over beachgoers in popular destination spot Roll clouds seen in Portugal following heatwave as temperatures hit over 107 °F with heavy rain, thunderstorms, and ...