 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.


 Sunset and Mammatus Clouds Observed in Sicily

   November 17, 2021

    20210906 7R309441 web(1)

   Photographer:  Alessia Scarso

   Summary Author:  Alessia Scarso;  Cadan Cummings

   The beautiful sunset shown above was photographed near the city of
    Modica, Italy on the island of  Sicily. Because the  Sun is
   almost below the horizon, light from the sunset illuminated the
   underside of the  cloud base and accentuated several regions of
    mammatus clouds. Mesmerizing to see in person or in photos,
   mammatus clouds are often found beneath  anvil clouds and are
   primarily composed of ice crystals and water vapor. These unique cloud
   structures are likely caused by a combination of  wind shears and
   sharp  temperature gradients leading to these pouches of saturated
   air sinking underneath the cloud base. Photo taken on September 6,
   2021.
     * Modica, Sicily, Italy Coordinates: 36.8588, 14.7608

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    More...

Cloud Links

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

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   Earth Science Picture of the Day is a service of the  Universities
   Space Research Association.

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