The National Weather Service has confirmed four tornadoes touched down in eastern Iowa on Saturday night.
Their teams have surveyed the damage, with touchdowns confirmed in Buchanan, Fayette and Dubuque counties.
The Buchanan County tornado touched down two and a half miles north/northwest of Jesup at 6:15 pm. It has been rated a weak EF-1 with estimated peak winds of 90 mph and a max width of 50 yards. The tornado was on the ground for ten minutes, traveling northeast about seven and a half miles. It caused damage to a barn and outbuildings and also uprooted trees at a farmstead.
The tornado that hit Oelwein has also been rated a weak EF-1 with estimated peak winds of 107 mph and a maximum width of 120 yards. The National Weather Service says it was a rain-wrapped tornado that formed near the Fayette County line south of town at 6:30 pm and raced north-northeast into the west side of the city. It was on the ground for about six minutes, traveling four miles before lifting north of Oelwein after causing damage to apartment buildings and trees.
The National Weather Service says the same storm that produced the Oelwein tornado also produced another brief tornado just southeast and east of Maynard. It was rated a very weak EF-0, with estimated peak winds of 83 mph and a max width of 50 yards. It was on the ground for about three minutes, traveling three and a half miles and causing damage to several farms.
And the fourth and final tornado that has been confirmed happened near Sherrill. The National Weather Service says it has been rated a weak EF-1, with estimated peak winds of 110 mph and a max width of 50 yards. The tornado developed southeast of town and was on the ground for about six minutes – moving northeast for just over four miles, causing significant damage to outbuildings and uprooting trees at several farmsteads.
Tornadoes have also been confirmed Saturday night in Grant County, WI and Henry and Whiteside counties in Illinois.
top photo of Oelwein tornado courtesy of Fayette County EMA