Watch stunning time-lapse footage of a storm cell in Pawnee National Grasslands in Colorado

Watch stunning time-lapse footage of a storm cell in Pawnee National Grasslands in Colorado

Stormchaser Erin Roe captured this amazing footage of a storm cell late in the afternoon over Pawnee National Grasslands in Colorado.

As well as the stunning cloud rotations Erin also captured a dazzling lightning strike.