How do harmless puffy white clouds grow into towering, potentially dangerous cumulonimbus thunderstorms? On their surface, clouds appear to be an odd contradiction of nature — light enough to float on ...

A Amanda Gumber, research assistant, Space Science and Engineering Center at the University of Wisconsin-Madison: Thunder is formed by the intense heating produced by lightning. The thunder you hear ...

A massive thunderstorm turns the sky dark over a field in Sweden. Thunderstorms can inspire the entire range of human emotion with their vivid displays of nature's fury. Storms are used to set an ...

It is known that thunderstorms tend to form on warm, humid days when the air is unstable. However, accurately predicting ...