It's Halloween season! Check out these creepy clouds: 👻🎃 #halloween #shorts #clouds #ghostly #creepy #eerie 1.) Fallstreak holes ("hole-punch clouds, formed when airplane exhaust causes clouds to "precipitate out") 2.) Shelf cloud with scud tendrils forming with moisture from a lake 3.) Scud clouds, random bits of cloud that form near the ground and (usually) drift upwards toward the cloud.