Kind of a cool scene over the Summer Lake area in southern Oregon yesterday. The area was experiencing some mountain wave action and some of it was reaching all the way to the ground. Summer Lake is a mostly dry playa, and you can see the dust off the playa being sucked up into the bottom of the altocumulus lenticular style cloud over the dry lake. More lenticular clouds were stacked to the east for about a hundred miles. The winds at 39,000 were out of the southwest at about 150 miles per hour. It looks like "the bottom" of one of those waves contained a lot of velocity and was able to sweep dust up into the cloud over the playa. I wish I had a better camera with me than an IPhone.
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