Footage of rare Mammatus Clouds on Casa Grande in Argentina has mesmerized the internet. These cotton-ball-like clouds usually form at the base of cumulonimbus clouds. (Video credit: Viral Hog).
Footage of rare Mammatus Clouds on Casa Grande in Argentina has mesmerized the internet. These cotton-ball-like clouds usually form at the base of cumulonimbus clouds. (Video credit: Viral Hog).