This is the dramatic moment a dust devil tornado was spotted swirling along Route 66 in Arizona.

Brian Verhoeven and his friends encountered the whirlwind spinning around in Kingman on April 13.

Footage shows dust, tree branches, and other debris being picked up by the vortex.

It even moved towards the group and passed through them.

Fortunately, no one was injured from the hot weather phenomenon.

Brian said: 'This is a bucket list experience for me and the thrill was unmatched.'

Dust devil tornadoes are types of whirlwinds that form when the sun heats a patch of land and the air above becomes warmer and rises quickly.

Cooler air then moves into the low-pressure gap left by the rising warm air. The new drafts of cooler air also heat up and rise and the cycle continues, picking up dust and debris and making the spiral visible.

They are not as dangerous as supercell tornadoes, which can cause severe damage.