The July 30, 1977 tornado

F4Chippewa County, Wisconsin

An F4 tornado on a 19.0-mile path that injured 20. It was one of 6 tornadoes recorded in the U.S. that day, 2 of them rated F3/EF3 or stronger.

Watch how it happened

F4 tornado · July 30, 1977

How it happened

Follow the tornado’s recorded path from touchdown to lift-off.

About this replay
Distance travelled—Historical replay — even pace
Distance—of 19.0 miles
Now in—
RatingF4

The tornado

Rating
F4
Fujita scale
Path length
19.0 mi
Width up to 300 yards
Killed
0
Along the whole path
Injured
20
Along the whole path
Date and time
Saturday, July 30, 1977
6:35 PM CST
That day
6
tornadoes in the U.S.; more on this date

Counties on its path

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