Cumulonimbus

Cumulonimbus

(alt-text)

The rarest of all clouds is the altocumulenticulostratonimbulocirruslenticulomammanoctilucent cloud, caused by an interaction between warm moist air, cool dry air, cold slippery air, cursed air, and a cloud of nanobots.

Today's comic was put together by Max Goodhart, Amber, Benjamin Staffin, Kevin, @fading_interest, Kat, @zigdon, and Christopher Night.