Toll of Iowa tornado mounts; 4 confirmed dead in Greenfield
![Toll of Iowa tornado mounts; 4 confirmed dead in Greenfield](https://bloximages.chicago2.vip.townnews.com/lacrossetribune.com/content/tncms/assets/v3/editorial/3/b0/3b052786-b8b2-5dbb-88fb-bb1b022293a8/664e0b474eee0.image.jpg?resize=300%2C200)
The National Weather Service confirmed damage consistent with at least an EF-3 tornado in Greenfield. EF-3 damage equates to winds between 136-165 mph.
The National Weather Service confirmed damage consistent with at least an EF-3 tornado in Greenfield. EF-3 damage equates to winds between 136-165 mph.