Lenticular clouds over Mount Otensho, Japan. (Wikimedia Commons)
Photo Credit: Broo_am (Andy B) via Compfight cc
Photo of a brocken spectre taken by a passenger in a Boeing 747 airplane. A brocken spectre is a phenomenon by which the observer’s shadow is surrounded by rainbow fringes. (M. Royon)
Mammatus clouds over Regina, Saskatchewan, Canada. (Wikimedia Commons)
Photo Credit: angelocesare via Compfight cc
Photo Credit: Ben30 via Compfight cc
An aerial view of morning glory clouds near Burketown, Australia. (Mick Petroff)
Photo Credit: idreamofdaylight via Compfight cc
Photo Credit: N. Feans via Compfight cc
Lenticular clouds over Mount Jefferson in Oregon. (Wikimedia Commons)
Lead image of asperatus clouds over New Zealand by Witta Priester. To see more of her work, visit her Flickr page.
