 EPOD - a service of USRA

The Earth Science Picture of the Day (EPOD) highlights the diverse processes
and phenomena which shape our planet and our lives. EPOD will collect and
archive photos, imagery, graphics, and artwork with short explanatory
captions and links exemplifying features within the Earth system. The
community is invited to contribute digital imagery, short captions and
relevant links.


 Lenticular Cloud Above Mount Aconcagua

   October 04, 2021

    Cerro Aconcagua

   Photographer:  Cristian López

   Summary Author:  Cristian López;  Cadan Cummings

   Shown above is a photo of a  lenticular cloud over  Mount
   Aconcagua in Argentina. Unique in their flying saucer like appearance,
   lenticular clouds typically form over  alpine climates when stable,
   moist air passes over a mountain peak and  condenses once the water
   vapor falls below its  dew point temperature. This distinct
   lens-shape is formed when the water vapor continues over the mountain
   peak and its temperature increases above the dew point, causing it to
    evaporate. The location for this spectacular phenomenon is also
   very noteworthy because the summit of Mount Aconcagua (22,837 ft or
   6,960 m) is the highest elevation point in both the Western and
   Southern Hemispheres as well as outside the  Himalayas.

   Photo Details: Camera: Canon T3; Lens: 18-55 in 43mm, f/13, ISO: 100,
   Exposure: 1/320 second, Software: Adobe Photoshop
     * Aconcagua Provincial Park, Mendoza, Argentina Coordinates:
       -32.6532, -70.0120

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Cloud Links

     *  Atmospheric Optics
     *  The Cloud Appreciation Society
     *  Cloud Atlas
     *  Color and Light in Nature

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   Space Research Association.

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