Sometime when I see the sky I see that the cloud-layers go to different ways. But how is it possible?
1 Answer
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At different altitudes, speed and direction of wind streams vary. This causes clouds to move in different directions.
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$\begingroup$ This wind map is a wonderful visualization of the wind currents in the US. It does show the variations of speed and direction in the currents. $\endgroup$ Commented May 4, 2014 at 18:55