Sky Diary 24 May 2013 Colorado-Nebraska storm - 2013-05-24 at 17-44-34

Caption: Greg and Brad check out the storms. Photo by Chris Kridler, ChrisKridler.com, SkyDiary.com
Aperture: ƒ/9
Shutter Speed: 1/320
Date: 5/24/13 5:44:34 PM CDT