Technically called “cumulonimbus ... Inside the cloud, ice crystals and water droplets collide, generating static electricity, which can lead to lightning. This produces thunder, rain, and ...

Thundersnow is just a thunderstorm that produces snow instead of rain. This relatively uncommon phenomenon is usually found ...

Cumulonimbus clouds, or thunderclouds ... At the Omiya Bonsai Art Museum in Saitama city, air conditioners failed during a lightning storm on the night of Aug. 7. Lightning hit the circuit ...

A frozen form of precipitation consisting of individual balls or lumps of ice called hail stones, produced from cumulonimbus or thunderstorm clouds. A bigger hail stone signifies a longer lifespan ...