Weathermen on Monday said when monsoon gets active after a long gap or covers a region for the first time, it forms cumulonimbus clouds that are mainly responsible for the thunderstorms and lightnings ...

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 ...

The 'King of Clouds' brought thunderstorms sweeping across parts of the UK this week as the country has been battered by wet and windy weather. Recent days have seen thunder and lightning across the ...

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

People have been sharing their best pictures and videos of the lightning cloud that lit up the UK's skies overnight. As the sun set on another hot and humid day, flashes of lighting could be seen ...

Meteorologist Philippa Drew takes a closer look at one of her favourite clouds and shares some of your dramatic pictures… I love seeing cumulonimbus clouds, not only because they are an impressive ...

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 ...

An expert has explained the “extraordinary” lightning strikes seen in huge clouds over Hull. People across the city were left awestruck by the incredible storms that hit the region on Friday evening. ...