![](http://www.alamy.com/thumbs/6/56470F35-504C-474A-8BD2-EA55053547DB/T0M4B7.jpg)
Ominous mammatus clouds in early spring
Size: 4928px × 3264px
Photo credit: © David J. Mitchell / Alamy / Afripics
License: Royalty Free
Model Released: No
Keywords: atmosphere, background, blue, bubble, bulging, clouds, cloudscape, dark, gray, grey, hanging, mammatocumulus, mammatus, ominous, spring, springtime, wallpaper, weather