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A few years ago I was traveling from Arizona to Nevada and chanced upon hundreds of 
acres of commercial windmill electric generators. There were more than I would even try 
to count. I couldn't tell what material the poles they were made of, but expect concrete 
because of their size. They were huge, with blade diameters probably over 20 feet and the 
towers 10 times that. I noticed a group of maybe 20 in a rather isolated area that had 
obviously either been blown down or demolished. I happened to see a power company 
truck exiting a road that lead to the whole area and stopped him and asked what had 
happened to the downed towers. He said the weather service said a "micro burst" blew 
them down. Micro bursts have only been discovered in the last few years and many 
previously reported tornado damage areas were actually caused by micro bursts, 
associated with severe thunder storms, which contain short duration winds of as much as 
200 miles per hour.
So, from that experience, any wind mill that can't be disassembled and stored in a safe 
place prior to the pole shift wouldn't have a chance.
Offered by Ron.