As a recap, the difference between warm and cold air helps create positive and negative charges within a cumulonimbus cloud. Positive charges reach up from the ground, and when they reach a negative ...

Skygazers near Amarillo, Texas, were treated to the breathtaking sight of a cumulonimbus "mushroom" cloud associated with a thunderstorm southeast of the city Tuesday evening. A cumulonimbus cloud is ...

Even on quiet nights out for dinner with my wife, weather geekdom can find its way to the surface. Friday was one of those evenings. The Italian restaurant was packed so I dropped my wife off to get ...

The launch of BBC Weather Watchers ten years ago brought together a whole new army of cloud enthusiasts with the main aim of ...

On two days last week, the king of clouds reigned the skies above parts of the Inland Northwest, evoking an eerie beauty and spewing impressive thunderstorms. Cumulonimbus clouds, also known as ...

The video taken Monday shows pyrocumulonimbus, or storm clouds triggered by wildfires that often include lightning and rain. After the Dixie fire in Butte and Plumas counties spurred its own storm ...

Join us on an adrenaline-pumping journey as we chase supercells and witness some of the most powerful storms on Earth. From ...