Tornado record · Original Fujita scale
F1 tornado, Audubon County, Iowa, September 23, 1977
RatingF1
Deaths0
Injuries0
Length1 mi
Width10 yd
Path
Drawn as a straight line from the recorded start point (41.80, -94.93) to the end point (41.80, -94.93), which is all NOAA's record holds. The real track may have curved.
The record
- Date
- September 23, 1977, 5:00 PM (as recorded, Central Standard Time)
- Rating
- F1
- States
- Iowa
- Counties
- Audubon County
- Path
- 1 miles long, up to 10 yards wide
- Casualties
- 0 deaths, 0 injuries
Other tornadoes on September 23, 1977
| Date | Rating | State | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| Sep 23, 1977 | F2 | Missouri, Illinois | 19.5 mi | 150 yd | 0 | 3 |
| Sep 23, 1977 | F0 | Iowa | 0.5 mi | 10 yd | 0 | 0 |
Tornado history nearby
Source: NOAA Storm Prediction Center severe weather database, 1950 to 2025.