Tornado record · Original Fujita scale

F4 tornado, Howard County, Iowa, July 12, 1971

RatingF4

Deaths0

Injuries8

Length10.9 mi

Width1,320 yd

See tornadoes near here

Map

Path

The path

Drawn as a straight line from the recorded start point (43.23, -92.45) to the end point (43.07, -92.05), which is all NOAA's record holds. The real track may have curved.

The record

Date: July 12, 1971, 5:15 PM (as recorded, Central Standard Time)
Rating: F4
States: Iowa
Counties: Howard County, Chickasaw County, Fayette County
Path: 10.9 miles long, up to 1,320 yards wide
Casualties: 0 deaths, 8 injuries

Same day

Other tornadoes on July 12, 1971

Tornadoes, newest first
Date	Rating	State	Path length	Width	Injuries
Jul 12, 1971	F3	Iowa	15.4 mi	833 yd	0
Jul 12, 1971	F3	Iowa	0.1 mi	833 yd	2
Jul 12, 1971	F2	Iowa	6.4 mi	100 yd	0
Jul 12, 1971	F2	Iowa	0.1 mi	100 yd	0

Nearby

Tornado history nearby

Howard County
Chickasaw County
Fayette County
Mitchell County
Bremer County
Worth County

Source: NOAA Storm Prediction Center severe weather database, 1950 to 2025.