Tornado record · Original Fujita scale
F0 tornado, Delaware County, Iowa, May 16, 1977
RatingF0
Deaths0
Injuries0
Length0.1 mi
Width10 yd
Path
Drawn as a straight line from the recorded start point (42.43, -91.27) to the end point (42.43, -91.27), which is all NOAA's record holds. The real track may have curved.
The record
- Date
- May 16, 1977, 3:00 PM (as recorded, Central Standard Time)
- Rating
- F0
- States
- Iowa
- Counties
- Delaware County
- Path
- 0.1 miles long, up to 10 yards wide
- Casualties
- 0 deaths, 0 injuries
Other tornadoes on May 16, 1977
| Date | Rating | State | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| May 16, 1977 | F3 | Texas | 16.7 mi | 500 yd | 0 | 0 |
| May 16, 1977 | F3 | Texas | 12.1 mi | 500 yd | 0 | 0 |
| May 16, 1977 | F3 | Oklahoma | 6.5 mi | 800 yd | 0 | 0 |
| May 16, 1977 | F3 | Oklahoma | 18.2 mi | 1,320 yd | 0 | 0 |
| May 16, 1977 | F3 | Nebraska | 47.3 mi | 50 yd | 0 | 0 |
| May 16, 1977 | F1 | South Dakota | 0.1 mi | 10 yd | 0 | 0 |
| May 16, 1977 | F0 | Missouri | 0.1 mi | 10 yd | 0 | 0 |
| May 16, 1977 | F0 | Oklahoma | 0.1 mi | 10 yd | 0 | 0 |
| May 16, 1977 | F0 | Iowa | 0.1 mi | 10 yd | 0 | 0 |
| May 16, 1977 | F0 | Nebraska | 0.1 mi | 10 yd | 0 | 0 |
| May 16, 1977 | F0 | Nebraska | 0.1 mi | 10 yd | 0 | 0 |
| May 16, 1977 | F0 | Nebraska | 0.2 mi | 30 yd | 0 | 0 |
Tornado history nearby
Source: NOAA Storm Prediction Center severe weather database, 1950 to 2025.