A possible tornado was seen near Greene, Iowa, on Friday, August 27, as the National Weather Service (NWS) confirmed a touchdown nearby amid multiple severe weather warnings in the Des Moines area. This footage filmed by Jonah Lange shows a formation swirling north of Greene, according to his tweet. Thunderstorms were expected to move across northern Iowa on Saturday morning, producing heavy rain and winds of up to 40 mph, according to the NWS. Credit: Jonah Lange via Storyful