Altocumulus clouds (probably undulatus) in the sky on a warm and humid July morning, being covered by lower clouds (cumulus fractus)
<a href="//commons.wikimedia.org/wiki/User:Couch-scratching-cats" class="mw-redirect" title="User:Couch-scratching-cats">Couch-scratching-cats</a>
CC BY-SA 3.0
<span class="int-own-work" lang="en">Own work</span>