F5 tornado, Cass County, North Dakota, June 20, 1957

RatingF5

Path length52.4 mi

Width500 yd

Deaths10

Injuries103

Time6:40 PMas recorded (CST)

Path

Drawn as a straight line from the recorded start point (46.90, -97.35) to the end point (46.87, -96.23), which is all NOAA's record holds. The real track may have curved.

The record

Date: June 20, 1957, 6:40 PM (as recorded, Central Standard Time)
Rating: F5
States: North Dakota, Minnesota
Counties: Cass County, Clay County
Path: 52.4 miles long, up to 500 yards wide
Casualties: 10 deaths, 103 injuries

Other tornadoes on June 20, 1957

Tornadoes, newest first
Date	Rating	State	Path length	Width	Deaths
Jun 20, 1957	F2	North Dakota	2 mi	30 yd	0
Jun 20, 1957	F2	South Dakota	0.1 mi	10 yd	1
Jun 20, 1957	F0	North Dakota	0.1 mi	10 yd	0
Jun 20, 1957	F0	Minnesota	0.1 mi	10 yd	0

Tornado history nearby

Cass County
Clay County
Ransom County
Norman County

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