One of the most awe-inspiring aspects of the storm was the appearance of mammatus clouds. These pouch-like formations hung ominously from the sky, resembling a series of upside-down bubbles.

During severe weather season in Texas, different types of thunderstorm clouds can signal the strength or weakness of a ...

Formed by cold air sinking down, mammatus clouds are usually seen when there is turbulence in a cumulonimbus cloud. Two astronauts are returning home after nine months in space. Nick Beake of the ...

Unusual mammatus clouds were spotted on Wednesday morning in parts of the United Kingdom. The name mammatus comes from the Latin mamma which means 'udder' or 'breast'. The bulging cloud was made ...

I TOOK THIS PICTURE THIS MORNING OF SOME MAMMATUS CLOUDS. THOSE KIND OF BULGY POUCH LIKE STRUCTURES ON THE UNDERSIDE OF THE CLOUDS, MOVING IN ALONG THE FRONT INTO THE DES MOINES METRO AREA EARLIER ...

Formed by cold air sinking down, mammatus clouds are usually seen when there is turbulence in a cumulonimbus cloud. A US Coast Guard rescue swimmer was lowered to pull the woman as high waters ...