Smithsonian magazine's 22nd Annual Photo Contest | Made possible through the support of MPB.com

10th Annual Smithsonian Magazine Photo Contest The American Experience
On a perfectly unusual Seattle evening in July of 2010 I saw the most amazing cloud "waves" forming over Seattle at sunset; they lasted no more than 15 minutes. I feel lucky to have witnessed and capt

On a perfectly unusual Seattle evening in July of 2010 I saw the most amazing cloud "waves" forming over Seattle at sunset; they lasted no more than 15 minutes. I feel lucky to have witnessed and captured rare KelvinHelmholtz instability clouds.

Photo Detail
Date Taken: 07.2010
Date Uploaded: 03.2012
Photo Location: Seattle, Washington, United States of America
Camera: Canon EOS REBEL T1i
Copyright: © Kerrigan A. Swan-Garcia