Tornado record · Original Fujita scale

F4 tornado, Harrison County, Missouri, June 7, 1984

RatingF4

Deaths3

Injuries64

Length134 mi

Width250 yd

See tornadoes near here

Map

Path

The path

Drawn as a straight line from the recorded start point (40.42, -94.03) to the end point (41.58, -91.85), which is all NOAA's record holds. The real track may have curved.

The record

Date: June 7, 1984, 5:45 PM (as recorded, Central Standard Time)
Rating: F4
States: Missouri, Iowa
Counties: Harrison County, Decatur County, Wayne County, Lucas County, Monroe County
Path: 134 miles long, up to 250 yards wide
Casualties: 3 deaths, 64 injuries

Same day

Other tornadoes on June 7, 1984

Tornadoes, newest first
Date	Rating	State	Path length	Width	Deaths	Injuries
Jun 7, 1984	F5	Wisconsin	36 mi	450 yd	9	200
Jun 7, 1984	F3	Iowa	25 mi	100 yd	0	3
Jun 7, 1984	F3	Iowa	9 mi	150 yd	0	5
Jun 7, 1984	F3	Minnesota	14 mi	100 yd	0	12
Jun 7, 1984	F2	Louisiana	1 mi	100 yd	0	3
Jun 7, 1984	F2	Iowa	10 mi	77 yd	0	0
Jun 7, 1984	F2	Kansas	18 mi	300 yd	0	5
Jun 7, 1984	F2	Iowa	16 mi	150 yd	0	1
Jun 7, 1984	F2	Iowa	23 mi	150 yd	0	8
Jun 7, 1984	F2	Iowa	12 mi	100 yd	0	1
Jun 7, 1984	F2	Iowa	4 mi	100 yd	0	3
Jun 7, 1984	F2	Iowa	25 mi	100 yd	0	2
Jun 7, 1984	F2	Iowa	2 mi	77 yd	0	0
Jun 7, 1984	F2	Iowa	8 mi	100 yd	0	0
Jun 7, 1984	F2	Iowa	22 mi	150 yd	0	0
Jun 7, 1984	F2	Iowa	21 mi	150 yd	0	1
Jun 7, 1984	F2	Iowa	18 mi	127 yd	0	0
Jun 7, 1984	F2	Minnesota	5 mi	100 yd	0	7
Jun 7, 1984	F2	Iowa	14 mi	150 yd	1	3
Jun 7, 1984	F2	Iowa	24 mi	200 yd	0	1
Jun 7, 1984	F2	Wisconsin	12 mi	150 yd	0	0
Jun 7, 1984	F2	South Dakota	0.1 mi	60 yd	0	0
Jun 7, 1984	F2	Missouri	1 mi	100 yd	0	0
Jun 7, 1984	F2	Missouri	3 mi	100 yd	0	1
Jun 7, 1984	F2	Wisconsin	11 mi	40 yd	0	0
Jun 7, 1984	F1	Iowa	7 mi	100 yd	0	0
Jun 7, 1984	F1	Iowa	6 mi	77 yd	0	0
Jun 7, 1984	F1	Iowa	1 mi	77 yd	0	0
Jun 7, 1984	F1	Nebraska	0.3 mi	50 yd	0	0
Jun 7, 1984	F1	Minnesota	6 mi	80 yd	0	0
Jun 7, 1984	F1	Minnesota	1 mi	50 yd	0	0
Jun 7, 1984	F1	Minnesota	18 mi	80 yd	0	0
Jun 7, 1984	F1	Iowa	0.5 mi	50 yd	0	0
Jun 7, 1984	F1	Minnesota	1 mi	50 yd	0	0
Jun 7, 1984	F1	Iowa	0.5 mi	50 yd	0	0
Jun 7, 1984	F1	Wisconsin	1 mi	50 yd	0	0
Jun 7, 1984	F0	North Dakota	0.3 mi	10 yd	0	0
Jun 7, 1984	F0	North Dakota	0.5 mi	10 yd	0	0
Jun 7, 1984	F0	North Dakota	0.5 mi	10 yd	0	0
Jun 7, 1984	F0	Minnesota	2.5 mi	50 yd	0	0

Nearby

Tornado history nearby

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