Watch Out for the Giant Rolling Pins .Roll clouds is one of the two types arcus clouds, a low, horizontal cloud formation. Roll clouds are tubular like a giant rolling pin and are very rare, but were common during the mornings of October in Queensland.
New phenomenon found in internal waves & PhysOrg - April 2010 Internal waves -- huge but nearly invisible ripples that occur in the oceans, the atmosphere and stars . Morning Glory clouds in Australia are one example of internal waves in the atmosphere.
Moonlight: And when you look up to the sky and see the sun, the moon and the stars—all the heavenly array—do not be enticed into bowing down to them and worshiping things the Lord your God has apportioned to all the nations under heaven.
Virga clouds look a bit like jellyfish floating in the sky. The "tentacles", which you can see hanging down, are called "virga". They are essentially rain, or snow, that evaporates away before ever reaching the ground. Virga common over Arizona