Owen told me that the picture was simply of a sunset over Hawaiian ocean waters. Yep, that's it. It is not even volcanic activity as some have also reported.

Cloud-watchers can talk all about the interesting shapes they've noticed over the years. They may have been gazing out the car window during a road trip, or tanning on the beach, or on a morning walk.

A cloud moving over Hopkins looked like ocean spray from a big wave. Credit: Alex Blaisdell ; A tri-color sunset shone over Lake Josephine. Credit: Teejay Parker ; The sun set over St. Albans Bay.

An image of a large spiral cloud forming at sunset was created with the help of digital editing ... "What Are These Strange, Beautiful Clouds Over Tunisia?" Gawker. 17 December 2014. Murphy ...

Tiny sugars from marine microbes help clouds freeze over the Southern Ocean, offering new insight into cloud brightness and climate models.

Wave clouds are a result of atmospheric internal waves, which are fluctuations in the air formed when air moves over areas of higher ground, being forced upwards, before being pulled down again by ...