Crazy Storm Clouds Formed In South Dakota

Some people wouldturn and runwhen they came upon an absolutely evil-looking storm cloud formation, but not storm chasers Chad Cowan and Jenna Blum.

They shot the video of this storm in South Dakota on July 23rd. They write on theirYouTube pagethat earlier in the day the storm dropped a record piece of hail: 8 inches in diameter and weighing almost two pounds.

WATCH: (viaKottke)

This article originally appeared on HuffPost.