Alpha Channel: No, Looped Video: No, Frame Rate: 30, Resolution: 3840x2160, Video Encoding: H.264, File Size: 45.79mb, Number of Clips: 1, Total Clip(s) Length: 0:15, Source Audio: No, Color: Full Color, Setting: Outdoors, Pace: Real Time, Composition: Wide Shot, Movement: Pan

Mammatus, mamma or mammatocumulus, meaning “mammary cloud”, is a cellular pattern of pouches hanging underneath the base of a cloud, typically cumulonimbus rainclouds, although they may be attached to other classes of parent clouds. They are formed by cold air sinking down to form the pockets contrary to the puffs of storm clouds rising through the convection of warm air. Wonderful fantastic excellent lob sky supercell gigantic giant amazing beautiful real weather. Unusual intriguing meteorologic atmosphere event. Very rare nature status. Mammatus are most often associated with approaching anvil clouds and also severe thunderstorms. They often extend from the base of a cumulonimbus, but may also be found under altostratus, and cirrus clouds, as well as volcanic ash clouds. UHD 4K 3840×2160.