Per Dan Ashbach, this is a rare meteorological phenomenon called a skypunch. Ice crystals form above the high-altitude cirro-cumulo-stratus clouds, then fall downward, punching a hole in the cloud cover.
Geoffrey Wynne Acuarelas - Watercolours
John Singer Sargent "Pater Harrison" (or "Siesta")
Baja. Photo Rick Avena.
Awesome landscape photo - simple lines.
Asperatus Clouds Over New Zealand by apod.nasa.gov. Image Credit & Copyright: Witta Priester: Stunning, unusual and relatively unstudied, these do not appear to presage meteorological doom and may be related to lenticular clouds that form near mountains from a downward win. Thanks to Witta Priester for permission to share this amazing image! http://www.flickr.com/photos/wittap/4406137868/ #Photograph #Clouds #Asperatus_Clouds #Witta_Priester