A circumzenithal arc is a colorful arc high up in the sky, around the zenith.
[ normal || enhanced ] ⇛ A faint circumzenithal arc together with a faint supralateral arc. (2014-04-24)
[ normal || enhanced ] ⇛ A faint circumzenithal arc, as well as an upper tangent arc at the bottom of the photo. (2015-04-03)
[ normal || enhanced ] ⇛ A faint circumzenithal arc together with a sun pillar and two sun dogs. (2016-01-06)
(2017-04-03)
(2017-04-03)