As Des Moines was hit with strong thunderstorms Tuesday, pictures of a "shelf cloud" start circulating social media. The images displayed what looked like low hanging clouds under more cloud coverage ...

Remember that one particularly troublesome thunderstorm last year? That’s not surprising, as it’s a day that made weather history. On June 3, 2020, around midday, a derecho thunderstorm roared across ...

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 imposing presence, they ...