A Happy Independence Day Postcard from 38,000 Feet

By Tom Yulsman | July 4, 2013 6:02 pm

Cumulonimbus clouds as seen from an airplane flying above 30,000 feet. (Photograph: © Tom Yulsman)

I’m spending much of my Fourth of July jetting across the country. So I thought I’d take advantage of my window seat, along with the WiFi on the aircraft, to wish everyone a very happy Independence Day with an ImaGeo picture postcard.

I shot this photo with my iPhone somewhere over Oklahoma or Arkansas. Classic cumulonimbus clouds have boiled up to an altitude above 30,000. I was particularly taken with the detail in the clouds, and I thought it would look particularly compelling in black and white. So I converted it, used a red filter to darken the sky a bit, and boosted the contrast.

I hope you are enjoying your own slice of nature wherever this 4th of July may have taken you.

  • Buddy199

    Nice shot, looks like an Ansel.



ImaGeo is a visual blog focusing on the intersection of imagery, imagination and Earth. It focuses on spectacular visuals related to the science of our planet, with an emphasis (although not an exclusive one) on the unfolding Anthropocene Epoch.

About Tom Yulsman

Tom Yulsman is Director of the Center for Environmental Journalism and a Professor of Journalism at the University of Colorado, Boulder. He also continues to work as a science and environmental journalist with more than 30 years of experience producing content for major publications. His work has appeared in the New York Times, Washington Post, Audubon, Climate Central, Columbia Journalism Review, Discover, Nieman Reports, and many other publications. He has held a variety of editorial positions over the years, including a stint as editor-in-chief of Earth magazine. Yulsman has written one book: Origins: the Quest for Our Cosmic Roots, published by the Institute of Physics in 2003.


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