- Cirrus bands fan across the sky creating artistic cloud designs
- W020439Z
- Bands of Cirrus clouds fan across the sky creating artistic cloud designs. These clouds are shaped by three factors: formation within axes of enhanced convergence or lift aloft; vertical wind shear which affects the speed and direction change of the descending crystals; and the winds aloft which carry the crystals forward into long strands. Combined, these three influences create beautiful shapes and patterns of ice particle trails in the sky.
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