http://gallery.utahastronomy.com/v/kurt/atomsphere/20080103PunchHole.jpg.htm... As I walked out the door yesterday, a high cloud deck covered the horizon for 90 miles around Salt Lake City - except for this one sky hole. EPODs showing similar holes - caused by ice crystals falling from higher elevations include: Sky Hole EPOD 6-9-2005 http://epod.usra.edu/archive/epodviewer.php3?oid=249696 Punch Hole EPOD 12-26-2007 http://epod.usra.edu/archive/epodviewer.php3?oid=397216 Hole in Cloud Deck EPOD 4-8-2005 http://epod.usra.edu/archive/epodviewer.php3?oid=240608 Ducktown Hole Punch EPOD 7-2-2007 http://epod.usra.edu/archive/epodviewer.php3?oid=369824 Butterfly Punch Hole EPOD 7-3-2007 http://epod.usra.edu/archive/epodviewer.php3?oid=369856 - Kurt _______________________________________________ Sent via CSolutions - http://www.csolutions.net