 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.


 Parisian Sky: Glaciating Virga

   December 23, 2020

    Bertrand_glaciating_clouds_4 (002)

   Photographer:  Bertrand Kulik
   Summary Authors:  Bertrand Kulik;  Jim Foster

   Shown above are  glaciating  cirrus clouds over Paris, France, as
   observed during the early afternoon hours of November 6, 2020. These
   clouds are made up of tiny  ice crystals. If the crystals become
   large enough to fall, as is the case here, they’re said to be
   glaciating. But because they’re falling into a much drier layer of the
   atmosphere, they’ll  sublimate before reaching the surface. The
   rather fuzzy vertical streaks beneath the base of the cirrus are the
   telltale sign that  evaporation is occurring.

   Photo Details: Camera: Canon EOS 5D Mark III; Software: Adobe Photoshop
   22.0 (Windows); Exposure Time: 0.0020s (1/500); Aperture: ƒ/9.0; ISO
   equivalent: 400; Focal Length: 100.0mm; Lens: 100-400 mm f/4.5-5.6L IS
   II USM
     * Paris, France Coordinates:  48.8566, 2.3522

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    Parisian Sky: Glaciating Virga  Crepuscular Rays over the Roof
   Tops of Manchester  November Gales on Lake Michigan  Marine Layer
   over Lisbon  Sombrero del Teide  Cibiana di Cadore and
   Circumzenithal Arc
    More...

Atmospheric Effects Links

     *  Atmospheric Optics
     *  Color and Light in Nature
     *  The Colors of Twillight and Sunset
     *  Refraction Index
     *  Image Gallery: Atmospheric Effects
     *  What is a Rainbow?

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

https://epod.usra.edu
 
