I saw the phenomenon last year, in fact there were several contrails that crossed each other's path at the time. The best part happened when the shadow actually passed over me! It was in the fall, early October, and one contrail was aligned north-south. That's the one whose shadow swept over me. Cool! On Mon, Jul 29, 2013 at 11:11 PM, Dave Gary <davegary@me.com> wrote:
Have any of you seen this effect before. This is a photo of the shadow of a contrail you could see from the porch of Whispering Oaks Lodge near Moab, Utah on the morning of July 27th. The shadow of the contrail was very prominent. I’ve never seen this effect before and thought it was very interesting. The shadow lasted about 20 minutes and became wider and more turbulent-looking as the contrail broke up. http://www.flickr.com/photos/78046474@N06/9396674461/
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