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Fast Footwork Photograph by Tim Samaras
Time is tight for storm chaser Tim Samaras, who races back to his van to grab a 45-pound (20-kilogram) meteorological probe and get it into place. An F-3 tornado, with estimated wind speeds of 158 to 206 miles an hour (254 to 332 kilometers an hour), bears down on him as it churns across Iowa cornfields.
Photo Fast Facts
This image was taken from video footage recorded by one of seven video cameras mounted on the media probe.
Video Resolution: 720x480 Format: Mini dv Frame Rate: 29.97 frames per second Shutter Speed: 1/10,000