Tornado record · Original Fujita scale

F0 tornado, Grundy County, Iowa, May 21, 2004

RatingF0

Deaths0

Injuries0

Length0.5 mi

Width40 yd

See tornadoes near here

Map

Path

The path

Drawn as a straight line from the recorded start point (42.37, -92.97) to the end point (42.37, -92.97), which is all NOAA's record holds. The real track may have curved.

The record

Date: May 21, 2004, 2:15 PM (as recorded, Central Standard Time)
Rating: F0
States: Iowa
Counties: Grundy County
Path: 0.5 miles long, up to 40 yards wide
Casualties: 0 deaths, 0 injuries

Same day

Other tornadoes on May 21, 2004

Tornadoes, newest first
Date	Rating	State	Path length	Width	Injuries
May 21, 2004	F3	Iowa	3 mi	200 yd	0
May 21, 2004	F2	Iowa	12.5 mi	880 yd	15
May 21, 2004	F1	Iowa	3.5 mi	100 yd	0
May 21, 2004	F1	Iowa	1.7 mi	150 yd	0
May 21, 2004	F1	Iowa	6 mi	100 yd	0
May 21, 2004	F1	Iowa	1 mi	200 yd	0
May 21, 2004	F1	Iowa	5 mi	300 yd	0
May 21, 2004	F1	Nebraska	1.5 mi	150 yd	0
May 21, 2004	F1	Nebraska	0.5 mi	150 yd	0
May 21, 2004	F0	Iowa	3 mi	50 yd	0
May 21, 2004	F0	Iowa	0.5 mi	30 yd	0
May 21, 2004	F0	Ohio	n/a	n/a	0
May 21, 2004	F0	Iowa	0.3 mi	30 yd	0
May 21, 2004	F0	Iowa	0.5 mi	40 yd	0
May 21, 2004	F0	Iowa	0.1 mi	50 yd	0
May 21, 2004	F0	Iowa	0.1 mi	50 yd	0
May 21, 2004	F0	Iowa	n/a	50 yd	0
May 21, 2004	F0	Washington	0.2 mi	70 yd	0
May 21, 2004	F0	Iowa	0.2 mi	25 yd	0
May 21, 2004	F0	West Virginia	3 mi	1 yd	0
May 21, 2004	F0	Nebraska	0.2 mi	20 yd	0
May 21, 2004	F0	South Dakota	0.1 mi	50 yd	0
May 21, 2004	F0	Nebraska	0.2 mi	20 yd	0

Nearby

Tornado history nearby

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