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Photographer's Note

The photo depicts a powerful Shelf cloud on the edge of the incoming storm. A Shelf cloud is a low, horizontal, wedge-shaped arcus cloud. It usually appears on the leading edge of a storm.

Cool, sinking air from a storm cloud's downdraft spreads out across the land surface, with the leading edge called a gust front. This outflow cuts under warm air being drawn into the storm's updraft. As the lower cooler air lifts the warm moist air, its water condenses, creating a cloud which often rolls with the different winds above and below (wind shear).

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Photo Information
  • Copyright: Eagle Smart (EagleSmart) (29)
  • Genre: Gens
  • Medium: Couleur
  • Date Taken: 2011-10-13
  • Categories: Nature
  • Exposition: 1/21 secondes
  • Versions: version originale
  • Date Submitted: 2016-09-12 13:53
Viewed: 1315
Points: 4
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