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 ...

A severe thunderstorm passed over New York City creating an extraordinary shelf cloud. Four people, including the pilot, have been taken to hospital in Victoria, Texas. Larry had been joking with ...

An impressive shelf cloud formation was seen over much of Hampton Roads late on Saturday afternoon. That might have people ...

horizontal clouds in the sky, and while you may think that means tornado - it doesn't. They're either roll clouds or shelf clouds and Ray Petelin explains how they form!

A line of thunderstorms moved across eastern Texas on Monday, December 16, with forks of lightning illuminating the night sky. Videos from Chad Casey show a shelf cloud and lightning strikes. Credit: ...

An ominous shelf cloud moved over North Texas on Monday, November 4, as flash flooding was reported in the region. This footage filmed by Chad Casey shows a storm looming over Copeville. The National ...