Riding the Wave
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| (NASA Earth Observatory image by Joshua Stevens, using Landsat data from the U.S. Geological Survey) |
On August 13, 2016, the Operational Land Imager (OLI) on Landsat 8 captured this image of clouds off the coast of Mauritania. You can't see it directly, but air masses from Africa and the Atlantic Ocean are colliding in this image. There is, however, a visibly striking outcome: The collision produces a wave structure in the atmosphere. Parts of these waves are favorable for cloud formation, while other parts are not.
The dust blowing out from Africa appears to be “riding the waves." Dust has been known to affect cloud growth, but it probably has little to do with the cloud pattern observed here.
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