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Credit: E. Wiebe

Cirrus in the sky above Salt Spring Island. These whispy cirrus clouds are composed of ice crystals in the highest part of the troposphere. The clouds form into streaks as these crystals fall into regions with faster (or slower) wind speeds.

UVic / SEOS / Climate Group / About Front Page Picture / Cirrus cloud tails Last updated: Tuesday, 04-Aug-2009 06:16:58 PDT
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