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20 December 2007

A view of polar mesospheric clouds (PMC) in the Southern Hemisphere on December 20, 2007 by the Cloud Imaging and Particle Size (CIPS) experiment on AIM. The blue area is covered by the CIPS cameras. The white regions are PMCs measured by CIPS. Clouds are beginning to build up in the south, although at a much slower pace than in the northern season CIPS saw the first PMC in the south on December 1, 2007.

Credit: Cloud Imaging and Particle Size Experiment data processing team at the University of Colorado’s Laboratory for Atmospheric and Space Physics.

Southern Hemisphere PMCs 2007


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