Mammatus clouds are typically associated with ... Moisture is the lifeblood of cloud formation. During the storm, there was an abundance of moisture in the air, which contributed to the clouds ...

As this air rises, water vapor condenses to create a horizontal, rotating cloud that can resemble ocean waves or tsunamis. These clouds are often associated with strong wind gusts and heavy rain, but ...

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 ...

The name mammatus comes from the Latin mamma which means 'udder' or 'breast'. The bulging cloud was made to look even more dramatic with a fiery, orange glow from the sunrise. These clouds are ...

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 ...