Add Yahoo as a preferred source to see more of our stories on Google. A large "rotating wall cloud" formed over Pontiac, Illinois, as a tornado warning was in effect for the area on Tuesday, March 10.

Learn the differences between shelf clouds, wall clouds, funnel clouds, scud clouds, and mammatus clouds in this guide to ...

On June 23, 2026, in Jackson, New Jersey, USA, @mattdean7_matt shared a video capturing a striking wall cloud during a severe thunderstorm. In the video, a large, well-defined wall cloud hangs beneath ...

MADISON, Wis. - Both are ominous looking clouds that are sometimes present with thunderstorms and are often confused for each other. Let's take a look at a shelf cloud, a wall cloud and discuss how ...

Looking up at the sky might seem like a simple pastime, but for those who know what to watch for, clouds tell stories that could save your life. Most of us walk around barely noticing the atmosphere ...

Do you know the difference between a wall cloud and a shelf cloud?? This is often a misunderstood phenomenon in weather, although to be fair... the shelf cloud does look like a wall. A shelf cloud is ...

Meteorologist Ray Petelin joined the KDKA Weather Team in October 2018, but is no stranger to the weather in Pittsburgh and Western Pennsylvania. He has been forecasting in Pittsburgh since 2011 and ...

GREENSBORO, N.C. — If you’ve ever looked up and seen a dark, menacing cloud stretching across the sky like a giant wedge, you’ve likely witnessed a shelf cloud. With their dramatic appearance and ...