- 4 dead, dozens injured in tornado that devastated Iowa townNBC News
- Watch: Drone video shows destructive tornado topple wind turbines near Greenfield, IowaDes Moines Register
- ‘Ten seconds of pure terror.’ Greenfield resident describes moment tornado hit her houseYahoo! Voices
- Adams County confirms woman was blown off the road, killedKETV Omaha
- Greenfield, Iowa Tornado At Least An EF3 – Videos from The Weather ChannelThe Weather Channel