Incredible Mammatus Clouds. Photo Gallery & VIDEO

Mammatus are pouch-like cloud structures and a rare example of clouds in sinking air. Sometimes very ominous in appearance, mammatus clouds are harmless and do not mean that a tornado is about to form...

Mammatus clouds, rare formation of clouds, weather phenomena on earth
Mammatus Clouds at Sunset  
Most amazing Mammatus clouds I have ever seen in 15 years of storm chasing by Craig Curlee

Mammatus are most often associated with the anvil cloud and also severe thunderstorms. ... When occurring in cumulonimbus, mammatus are often indicative of a particularly strong storm or maybe even a tornadic storm. Due to the intensely sheared environment in which mammatus form, aviators are strongly cautioned to avoid cumulonimbus with mammatus.

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Photo Gallery


Mammatus, also known as mammatocumulus (meaning "mammary cloud" or "breast cloud")
is a meteorological term applied to a cellular pattern of pouches hanging underneath the base of a cloud. The name mammatus, derived from the Latin mamma (meaning "udder" or "breast"), refers to a resemblance between the characteristic shape of these clouds and the breast of a woman. by Hole-in-one

Mammatus clouds, rare formation of clouds, weather phenomena on earth
Mammatus clouds
Las Grutas by Melisa Reinhold

Mammatus clouds, rare formation of clouds, weather phenomena on earth
Mammatus clouds during Summer Out fishing for shark in San Carlos Bay by curt peer

Mammatus clouds, rare formation of clouds, weather phenomena on earth
Chadron Mammatus Clouds with Lightning
Taken Right before I started to timelapse the storm rolling in Timelapseomaha.com/travels 

Mammatus clouds, rare formation of clouds, weather phenomena on earth
Ames this evening - Explored Just the clouds today were most unusual... Robyn Hooz :says: "Those clouds are called "mammatus" and they are caused by a cold front creating a turbulence flow". Thank you Robyn! by OlyaA (busy)

Mammatus clouds, rare formation of clouds, weather phenomena on earth
Red Mammatus, Cool Clouds Over Manhattan Mammatus Clouds at sunset. Taken from the Brooklyn Bridge by Ben Brown 

Mammatus clouds, rare formation of clouds, weather phenomena on earth
Mammatus Clouds, Rare Atmospheric Phenomena

Mammatus clouds, rare formation of clouds, weather phenomena on earth
Incredible Mammatus Clouds 
Produced by a tornadic supercell thunderstorm near Burwell, Nebraska on June 16, 2014 by Michael Phelps 

Mammatus clouds, rare formation of clouds, weather phenomena on earth
Mammatus Clouds, Rare Clouds Formations