Earth Science Image of the day

Lenticular Clouds with Iridescent Fringe Over Rocky Mountain National Park - August 19, 2019

  (Click On Image To Enlarge)


Photographer: Peter Claussen 
Summary Authors: Peter Claussen; Jim Foster

Featured above is an eye-catching, lenticular cloud pattern having a conspicuous iridescent (pink) fringe as observed over Rocky Mountain National Park, Colorado on May 10, 2019. These lens-shaped, mid-level clouds form in orographic-induced waves that develop in the lee of elevated terrain, most often mountain ranges. Composed of minute water droplets, the edges of these lens-shaped clouds can appear iridescent if droplet sizes here are nearly identical in diameter and or show a gradation in size with depth away from the edge. Also, in general, the more uniform the size the purer the color. Because they form in atmospheric waves, lenticular clouds often remain stationary, sometimes for several hours.

Photo Details: Camera: NIKON D850; Software: Adobe Photoshop Lightroom Classic 7.5 (Windows); Exposure Time: 0.100s (1/10); Aperture: ƒ/16.0; ISO equivalent: 64; Focal Length (35mm): 14; Lens: 14.0-24.0 mm f/2.8.

 EPOD is a service of NASA's Earth Science Division and the EOS Project Science Office (at Goddard Space Flight Center)
and the Universities Space Research Association.

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