- Bands of high Altocumulus clouds in a standing lee wave pattern
![Bands of high Altocumulus clouds in a standing lee wave pattern](http://www.skyartstock.com/peas/W002168Z-SKYART.jpg)
- W002168Z
- A view upwind of parallel bands of high Altocumulus clouds in very strong winds aloft, to the lee of mountains. Cloud material continuously appears at the edge of the clear sky, then flows through the bands, which themselves remain stationary. Two layers may be present close together in this standing lee wave pattern. (See side view, W002167Z.)
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