Tornado record · Original Fujita scale

F4 tornado, Cimarron County, Oklahoma, May 18, 1977

RatingF4

Deaths0

Injuries0

Length38.6 mi

Width440 yd

See tornadoes near here

Map

Path

The path

Drawn as a straight line from the recorded start point (36.65, -102.40) to the end point (37.13, -102.07), which is all NOAA's record holds. The real track may have curved.

The record

Date: May 18, 1977, 12:50 PM (as recorded, Central Standard Time)
Rating: F4
States: Oklahoma, Colorado
Counties: Cimarron County, Baca County
Path: 38.6 miles long, up to 440 yards wide
Casualties: 0 deaths, 0 injuries

Same day

Other tornadoes on May 18, 1977

Tornadoes, newest first
Date	Rating	State	Path length	Width
May 18, 1977	F3	Nebraska	18.8 mi	50 yd
May 18, 1977	F2	Oklahoma	16.1 mi	50 yd
May 18, 1977	F2	Kansas	117.2 mi	50 yd
May 18, 1977	F2	Nebraska	19.7 mi	50 yd
May 18, 1977	F1	North Dakota	5.4 mi	10 yd
May 18, 1977	F1	Iowa	1 mi	20 yd
May 18, 1977	F1	Nebraska	0.5 mi	50 yd
May 18, 1977	F1	Nebraska	0.3 mi	30 yd
May 18, 1977	F1	Nebraska	0.2 mi	30 yd
May 18, 1977	F1	Nebraska	0.1 mi	20 yd
May 18, 1977	F1	South Dakota	0.1 mi	10 yd
May 18, 1977	F1	Texas	2 mi	20 yd
May 18, 1977	F1	Nebraska	0.2 mi	20 yd
May 18, 1977	F1	Texas	0.5 mi	20 yd
May 18, 1977	F1	Nebraska	0.5 mi	30 yd
May 18, 1977	F0	Nebraska	0.2 mi	30 yd
May 18, 1977	F0	North Dakota	0.1 mi	10 yd
May 18, 1977	F0	Texas	1 mi	20 yd
May 18, 1977	F0	Texas	1 mi	20 yd
May 18, 1977	F0	Texas	1 mi	20 yd
May 18, 1977	F0	Texas	0.5 mi	20 yd
May 18, 1977	F0	North Dakota	0.1 mi	10 yd
May 18, 1977	F0	South Dakota	0.1 mi	10 yd
May 18, 1977	F0	Nebraska	0.2 mi	30 yd

Nearby

Tornado history nearby

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