The June 7, 1984 tornado

F4Harrison, Mahaska, Keokuk, Iowa, Decatur, Wayne, Lucas and Monroe counties, Iowa and Missouri

An F4 tornado on a 134.0-mile path that killed 3 and injured 64. It was one of 41 tornadoes recorded in the U.S. that day, 5 of them rated F3/EF3 or stronger.

Watch how it happened Part of the outbreak of June 7, 1984: 41 tornadoes in 9 states

F4 tornado · June 7, 1984

How it happened

Follow the tornado’s path, minute by minute.

About this replay

Local time (CST)—Historical replay — logged times

Distance—of 134.0 miles

Now in—

RatingF4

Path milestones

Damage pathWidened for visibility; recorded maximum width 250 yards

TownsSized by population today; those within 3 miles flash as it passes

Counties on the pathLit as the tornado enters them

Source: Storm Prediction Center start and end points. Times as logged by the National Weather Service. Towns are today’s Census places.

The tornado

Rating: F4; Fujita scale
Path length: 134.0 mi; Width up to 250 yards
Killed: 3; Along the whole path
Injured: 64; Along the whole path
Date and time: Thursday, June 7, 1984; 5:45 PM CST
That day: 41; tornadoes in the U.S.; every one, with a replay of the day

Counties on its path

Other notable tornadoes that day

F5, Iowa County9 killed

Storm Prediction Center severe weather database. Path drawn as a straight line from the recorded start to end point.