Shelf clouds along the leading edge of the storms and roll clouds ahead of the storm can often be mistaken for one another.

Ninety years this week, Oklahomans were met with a large wall of rolling black dust and sand, a day now known as "Black ...

Timelapse captured dark clouds rolling in as severe thunderstorms capable of producing a tornado appeared over Tennessee ...

Storm chances begin late Friday, April 18, and continue over the weekend. There’s a chance for strong to severe storms on ...

Shown here washing over the sky and rolling up to the Seattle shore, roll clouds are a rare treat usually awarded to those living in coastal areas. When a large pool of cooler, sinking air near ...

(Photo by Ainhoa Sanchez / Volvo Ocean Race via Getty Images) Roll clouds often come in groups of two or three. Catch the rare clouds at the so-called golden hour, and the results can be stunning, as ...

The added humidity helped lower cloud bases, which meant it would ... of large hail peppered the map across the South. The Rolling Fork storm was the only one to spawn a tornado.