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locomusic01
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Sure, that's almost certainly what happened given how far it was carried. I wouldn't include it among the possible instances of violent damage without knowing more; just an example of something that turned out to be a lot more impressive than I thought.Hard to say without photos. Buildings with a lot of surface area and a lack of interior walls, particularly lightweight metal ones, can kind of act like a sail and catch the wind, creating a very powerful upward "wrenching" force that will put enormous stress on whatever beams are supporting the structure, twisting, pulling, or buckling them in a way that looks very impressive. While the presence of snapped anchor bolts definitely raises and eyebrow, given the type of building type described, I wouldn't necessarily say that this is clear evidence of a violent-tier tornado. Not to say there was no evidence of F4 damage elsewhere along the Beaver Falls tornado's path, however.
On the opposite end of the spectrum, a few of the houses that were allegedly "destroyed" or even "swept away" ended up being nothing of the sort in reality. In one case, I talked to a guy whose home near Evans City was supposed to have been torn from its foundation and scattered across a field. It all sounded pretty impressive until he told me the house was basically sitting on cinder blocks and got pushed out across his backyard. The only thing that was "scattered" was a porch/deck that broke apart.
Incidentally, another house just down the street from that one is among the damage points I consider potentially violent. Haven't got the photos yet, but by the owner's description it sounds like it was reasonably well-built, and it was completely flattened/partially swept away. A van that was in the parking lot was apparently tossed a quarter-mile and crushed, and there may have been some scouring and debarking on/around the property.