Tag: cloud types

Altocumulus Undulatus

April 7, 2009 0 Comments
Altocumulus Undulatus

This picture was taken by KTTC viewers Dick and Judy Baxter between Waterloo and Rochester, just last Thursday. These clouds are ‘altocumulus undulatus’. These are caused by wind shear, the change in wind direction and speed, above and below the cloud level. Wind shear causes the waves, or undulations,┬áto form in the cloud…hence the latin […]

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