Mammatus
Pouch-shaped cloud structures
Mammatus are pouch- or udder-shaped structures on the underside of clouds, usually cumulonimbus.
Formation: Sinking air Significance: Often with severe thunderstorms
Pouch-shaped cloud structures
Mammatus are pouch- or udder-shaped structures on the underside of clouds, usually cumulonimbus.
Formation: Sinking air Significance: Often with severe thunderstorms