If aliens ever wanted to announce their arrival, Florida would be a good place. And this would be a pretty convincing (and creative) way to do it. A bizarre video filmed by fisherman Josh Jorgensen of BlacktipH off Key West shows a thin blanket of clouds hanging over the Gulf of Mexico — except several enormous, nearly circular holes appear to have been punched straight through it. “Bro, look at these clouds,” someone says in the clip. “What is going on with these clouds?” Jorgensen later posted: “Has anyone seen clouds like these before? We were fishing off Key West.” Check out the video linked here , and below. View this post on Instagram So, what are they? The answer is less extraterrestrial, but almost as strange. They’re called hole-punch clouds, or more formally cavum or fallstreak holes.…