Lenticular Clouds Lenticular clouds, with their distinctive lens shape, often hover over mountain ranges like alien ...

NORFOLK, Va. — Technically called “cumulonimbus flammagenitus,” pyrocumulonimbus clouds are a rare weather phenomenon caused by intense heat. These towering clouds form when extreme heat ...

The process releases heat, further powering the growing tempest. This happens over and over again until giant cumulonimbus clouds emerge. As long as winds near the top of the system are not too ...

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 ...