This is a rare meteorological phenomenon called a ‘SKY PUNCH’. When people see these,they think it’s the end of the world. Ice crystals form above the high-altitude cirro-cumulo-stratus clouds,then fall downward, punching a hole in the cloudcover.
Night Supercell An amazing supercell tracks across southern Nebraska, producing other-worldy storm structures. At times this storm looked like a giant tsunami in the sky. The supercell formed after two supercells merged near McCook Nebraska.