Speaking of twisters - and I don't want to downplay or distract from the devestation and tradegy occurring else where - but I just saw something highly unusual. Out here in NW Arizona we have twirleys. Basically a dust devil which can spin in either direction. One of them hit a friend's house and his new roof cost him $23 thousand. Sometimes they don't even have any dust. They just look like transparent space time graphs moving along their way. This time, there were two of them, spinning clockwise, one right behind the other. I mean, they were really close together. Then, the whole mass started rotating, clockwise, and I saw it was a group of four of them, each spinning, with the whole thing rotating. I can see how something like that could be engineered, but then a natural occurance like that might be unlikely. So now I'm remembering the times I've wondered if some of those twisters are 'engineered'.
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