Slovenia-based photographer Marko Korošec won the National Geographic Traveler Photo Contest in 2014 for his stunning photograph of a giant supercell in Colorado. These photographs have all been taken in May and June 2015 in USA’s Tornado Alley and surrounding states.
An ominous supercell in Rapid City, South Dakota
A supercell mushrooms against a blood orange sunset in Bledsoe, Texas
Cloud-to-ground lightning cracks through the sky in Dalhart, Texas
An elephant trunk tornado on the move in Milnesand, New Mexico
Mammatus clouds streak across the sky in Plains, Kansas.
A powerful cone tornado in Canadian, Texas
Double trouble: A supercell and tornado sweep across a fresh blue sky in Lamar, Colorado
A huge mothership supercell in Gordon, Texas
A menacing mothership supercell in Lamar, Colorado
Whale’s mouth clouds engulf the sky in Dalhart, Texas
Lightning rips through the sky in Dalhart, Texas
Purple lightning strikes down on a corn field in New Mexico
You can see more of Marko’s stunning photography on his website, markokorosec
All Pictures: Marko Korosec / Barcroft USA