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Ball lightning can be any size. The largest recorded one was rhe size of a basketball court. Now this was a recorded one others could have been bigger and not recorded.
Ball lightning can be any size. The largest recorded one was rhe size of a basketball court. Now this was a recorded one others could have been bigger and not recorded.
The size of a basketball court? Do you have a reference for that?
Some have been described to be the size of a millstone, which I'm guessing might be around 6-8 feet in diameter. But such an estimation might be that it seemed larger than it actually was because of brightness. According to Weather Underground, the average size of ball lightning is generally about a third of an inch to a little over a half-inch, but they can get to be about the size of an orange or grapefruit.
Unless the observer had concrete evidence that the ball lightning was X feet away, there's no way his/her size estimate was more than a wild @ss guess. You need distance and angular size to calculate an object's width.
Plus, how are you going to get a blob of plasma that size from a lightning strike?
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