Radar Suggested Otherwise...

Although research from later radar images showed no rotation in the specific area and instead suggested an intense rain or hail shaft, the distant dark area (with lightning bolt) in this image resembles a tornado. This is a video frame capture and looks north on Keystone Avenue at 330th Street, about 8 miles south of Ida Grove in northwest Iowa. Standing in the foreground at lower left is storm chaser Nick Carletta. The time was about 8:10 PM on Saturday, April 9, 2011 and the sky was totally dark, but incessant flashes of lightning allowed image captures such as this one. Accompanying the lightning were sustained RFD winds of 50-60 mph.