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The second tornado sighting of the day occurred around 6:35 p.m. some 17 miles west of Springfield, Illinois. The group was traveling along I-72 when the funnel was spotted along the backside of a rapidly moving supercell A unique feature of this tornado was that its path was nearly parallel to the interstate. ![]() Rapidly growing "towers" along the supercell's flanking line from a position approximately 20 miles west of Springfield, Illinois looking east. ![]() A well defined condensation funnel forms at the western edge of this supercell thunderstorm. The rear flank downdraft has carved out a marked clear slot on the southern periphery of this tornado. Viewing perspective is east along I-72, approximately 17 miles west of Springfield, Illinois. Note, the time clock in this picture is in Central Standard Time (CST). ![]() Poor contrast prevents the viewer of this picture from determining if the circulation is on the ground at this time. Actual naked eye observations revealed that a debris shield had indeed been created by the tornado.
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