Sky Diary 20 May 2013 Duncan, Oklahoma tornado - 2013-05-20 at 14-11-19

Caption: The towers to the north looked more promising, so we drove toward them. Photo by Chris Kridler, SkyDiary.com, ChrisKridler.com
Aperture: ƒ/10
Shutter Speed: 1/400
Date: 5/20/13 2:11:19 PM CDT