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.
Double Cloud Shadow off the Coast of Croatia
December 06, 2022
_DSC7607-copy.png1440
Photographer: Maja Kraljik
Summary Author: Maja Kraljik; Jim Foster
As I photographed a cumulus congestus cloud over the northwestern
Adriatic Sea, off the coast of Croatia, I noticed that it was backlit
by the near mid-day Sun. As this cloud grew and developed, an
eye-catching double shadow began to appear immediately above it.
Projected shadows may be observed when the cloud’s shadow is cast upon
a thin layer of dust, haze or other aerosols. In this case
the source of dust was likely the Sahara Desert. Such shadows are
typically seen when looking within about 10 degrees of the solar
disk. Note also the crepuscular rays -- above the cloud top. Photo
taken on October 3, 2021, at 11:30 a.m. local time.
Photo details: ISO 80; f8; 1/250 second exposure.
Northwest Adriatic Sea, Croatia Coordinates: 45.442096, 13.508952
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More...
Atmospheric Effects Links
* Atmospheric Optics
* Optic Picture of Day: Gruppo Astrofili Galileo Galilei
* 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
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