a thing I want to remember about the sky, yesterday

I tried to fasten this in my mind by telling folks at home, but I'll put it here too. The clouds last night were doing that thing of looking like what I usually think of as a plowed field, the thing that people call a mackerel sky, but this particular cloud looked more like a giant wing, with the scallops of feathers in the upper part, and then the longer feathers below... the coverts, I see those scalloped parts are called:


Image from Bobby Brinker, "Wingclipping and the African Grey," Winged...