- Altocumulus cloud band in a mountain lee wave pattern
![Altocumulus cloud band in a mountain lee wave pattern](http://www.skyartstock.com/peas/W826301Z-SKYART.jpg)
- W826301Z
- A view across the axis of a mountain lee wave pattern. Altocumulus cloud bands fill each crest but a higher, less defined and thinner cloud sheet is also present. The bright background layer strikes the senses as a wide silver lining around the shaded main band. Wiggles in the bands reflect the uneven flow from the variable height terrain upwind.
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