Summary of September 17, 2021 Preliminary Survey Results
Published 2021-09-20
A line of severe thunderstorms moved across southern Minnesota during the early morning hours of September 17th. The bulk of the storm reports and damage occurred between 2-4 AM CDT. A damage survey conducted on Friday found 4 EF-0 QLCS tornadoes occurred (3 within the southern Twin Cities metro). Received reports of numerous areas with straight-line wind damage.