Grasses blow under a brewing storm (DI02783)

A grassy field below a storm during the Vortex2 field project (DI02782)

Spectacular storm clouds during the Vortex2 field project (DI02781)

A tornado forms over a sleepy town (DI02780)

Storm clouds overwhelm the high plains (DI02779)

Storm clouds in Oklahoma (DI02778)

Stormy skies over a grassy field during the Vortex2 field project (DI02777)

Stormy skys over the high plains (DI02776)

A tornado forms during the Vortex2 field project (DI02775)

The Vortex2 field project team encounters a storm (DI02774)

Stormy skys loom over the Vortex2 field project (DI02773)

A tornado forms during the Vortex2 field project (DI02772)