- Andrew Pritchard
August 20th 2019 | Champaign County Shelf Cloud
A morning cluster of thunderstorms in Iowa organized into a bow echo that swept across central Illinois during the late-morning hours of Thursday, August 20th. The bow echo produced spotty wind damage. A funnel cloud was falsely reported on the west side of Champaign which triggered the tornado sirens being activated for Champaign-Urbana.
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