Mammatus clouds Mammatus clouds at the edge of a thunderstorm. Mammatus clouds have a pouchlike appearance and form in the presence of sinking air. These clouds are associated with turbulent and stormy weather. Stock Photo - Afloimages
Mammatus clouds at the edge of a thunderstorm. Mammatus clouds have a pouch-like appearance and form in the presence of sinking air. These clouds are associated with turbulent and stormy weather.