Beautiful Mammatus clouds - appear ominous, but the sinking air required to make these clouds actually indicates weakening of the storm associated with them.

Monsoon Storm Rain Clouds - Angel Fire, New Mexico

a place in the clouds - hmmmm

Impressive cloud formations with a waterspout (original photographer unknown) #cloudscape #weather #sea #ocean #weather #mytumblr

mammatus clouds

Mammatus clouds

Mammatus clouds, Minnesota

mammatus...

mammatus clouds

Mammatus Clouds

Mammatus Clouds

Mammatus Explosion

Georgia, Mammatus cloud sunrise

Mammatus Clouds

Mammatus cloud

amazing

Amazing cloud color

Amazing clouds over Cincinnati, Ohio

mammatus (Norfolk, Nebraska)

Crazy beautiful mammatus clouds!