National Weather Service Confirms Tornado touched down in Superior
Fri 9-21-2018 Superior,IA
(Superior)-The National Weather Service in Sioux Falls has determined that it was a tornado that briefly touched down in Superior Thursday night near the Green Plains ethanol plant. The tornado was rated an EF-1 with peak winds of 99 miles per hour. Heavy structural damage was reported in Superior, Estherville and across the region from the severe weather which occurred Thursday evening.