Tornado record · Original Fujita scale

F1 tornado, McPherson County, South Dakota, July 10, 1977

RatingF1

Deaths0

Injuries0

Length0.1 mi

Width10 yd

See tornadoes near here

Map

Path

The path

Drawn as a straight line from the recorded start point (45.88, -98.95) to the end point (45.88, -98.95), which is all NOAA's record holds. The real track may have curved.

The record

Date: July 10, 1977, 8:35 PM (as recorded, Central Standard Time)
Rating: F1
States: South Dakota
Counties: McPherson County
Path: 0.1 miles long, up to 10 yards wide
Casualties: 0 deaths, 0 injuries

Same day

Other tornadoes on July 10, 1977

Tornadoes, newest first
Date	Rating	State	Path length	Width
Jul 10, 1977	F3	Nebraska	7.8 mi	40 yd
Jul 10, 1977	F2	Nebraska, South Dakota	15.9 mi	30 yd
Jul 10, 1977	F1	South Dakota	16 mi	10 yd
Jul 10, 1977	F1	South Dakota	7.3 mi	10 yd
Jul 10, 1977	F1	South Dakota	0.1 mi	10 yd
Jul 10, 1977	F1	Iowa	0.5 mi	10 yd
Jul 10, 1977	F0	South Dakota	0.1 mi	10 yd
Jul 10, 1977	F0	South Dakota	1.9 mi	10 yd
Jul 10, 1977	F0	South Dakota	4.1 mi	10 yd
Jul 10, 1977	F0	Nebraska	0.5 mi	30 yd
Jul 10, 1977	F0	South Dakota	0.1 mi	10 yd
Jul 10, 1977	F0	North Dakota	0.1 mi	10 yd
Jul 10, 1977	F0	South Dakota	0.1 mi	10 yd

Nearby

Tornado history nearby

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