EF1 tornado in Lee County, Iowa

An EF1 tornado with peak winds of 95 to 100 mph began its 1.5 mile long path by downing some tree branches. The tornado increased in strength causing damage to the door of a farm outbuilding along with damage to additional farm out buildings. The tornado continued east along 230th street, causing sporadic tree damage for around 1 mile. The tornado then strengthened even more near 230th street and 160th avenue, where it destroyed two farm outbuildings and snapped numerous tree trunks. This is where the tornado was the strongest. Shortly after crossing 160th street, the tornado weakened and eventually dissipated. The tornado had a max width of 50 yards.

Numerous severe thunderstorms developed during the afternoon on Tuesday producing hail that ranged in size from penny (0.88) to baseball (2.75) in diameter. There was a total of 10 reports with hail over 2.00 inches in diameter. During the early evening hours, one storm produced three different EF-1 tornadoes in Lee County near Donnellson.