Storm chasers film anti-cyclonic tornado hitting Colorado
10 June 2015 Last updated at 08:22 BST
Storm chaser Travis Cruz has captured this amazing footage of a large tornado swirling over fields in Colorado, USA.
Mr Cruz said that the tornado was turning clockwise, also known as an anti-cyclonic motion.
Most tornadoes in the northern half of the globe rotate anti-clockwise.
Footage: Storm Cruzzer