A possible tornado tore through parts of Iowa on Tuesday, April 4, amid tornado warnings and watches issued for large parts of the state.This footage, captured by Nathan Voytovick of Midwest & Great Lakes Storm Chasers, shows the storm cloud spinning in the distance, whipping up dirt and debris in its path. Voytovick told Storyful this footage was captured near Knoxville, Iowa.A tornado warning was issued by the National Weather Service (NWS) for the area on Tuesday night, with large hail expected.According to data from the NWS, there were reports of hail stones and funnel clouds in the nearby city of Pleasantville. Credit: Midwest & Great Lakes Storm Chasers via Storyful