Their presence in the sky can serve as a dramatic herald of impending weather changes, making them both a spectacle and a warning to those who understand their meaning. Shelf clouds are the low ...

During severe weather season in Texas, different types of thunderstorm clouds can signal the strength or weakness of a ...

A timelapse video shows a stunning shelf cloud moving across the sky in southern Brazil. The dramatic footage was filmed in Caxias do Sul. About ten million people face water rationing as severe ...