(WMC) -- MEMPHIS, TN -- A couple of weeks ago after a day of storms in the Mid-South, a viewer in Hardin County sent us a picture of a strange formation in the sky.
Some members in our newsroom asked, "Is that a cloud or a UFO?"
Personally, I don't think we're alone in the universe, but that was not the proof we're looking for. That was a photo of a roll cloud - a rare form of arcus cloud.
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