Lightning during a DC3 airborne mission (DI02761)

Sunset in Salina Kansas (DI02755), Photograph by Carlye Calvin

Dark storm clouds overpower the Kansas sunset (DI02732), Photograph by Carlye Calvin

The sun sets as storm clouds move in overheard (DI02731), Photograph by Carlye Calvin

Dark storm clouds move in over Salida, Kansas (DI02730), Photograph by Carlye Calvin

Storm clouds move over the small town of Salida, Kansas (DI02729), Photograph by Carlye Calvin

Storm clouds loom as a tornado begins to develop (DI02727), Photograph by Carlye Calvin

Tornado (DI02725), Photograph by Greg Thompson

Tornado (DI02724), Photograph by Greg Thompson

Tornado (DI02723), Photograph by Greg Thompson

Tornado (DI02722), Photograph by Greg Thompson

Tornado (DI02721), Photograph by Greg Thompson