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Widespread Showers in the Mid-Atlantic

Widespread showers and some thunderstorms from Ian may produce isolated flash flooding in the central Appalachians into the Mid-Atlantic and southern New England through the weekend. Hazardous conditions persist along portions of the East coast. Showers, thunderstorms, and high elevation snow are possible across the Central/Southern Rockies and into the Great Basin. Read More >

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Tornado Track Map for Harmon County, OK
 
Harmon County, OK Tornadoes (1950-Present*)
# Date Time
(CST)
Path
Length
(miles)
Path
Width
(yards)
F-Scale Killed Injured County Path
1 04/20/1952 1530 0.1 20 F1 0 0 Harmon/ Beckham/ Roger Mills/ Dewey 2 S Vinson; 4 E Erick; near Sayre; 10 NWW Leedey - near Vici [not continuous]
2 05/10/1953 0100 4 440 F1 0 0 Harmon 1 SE- ~2 ENE Vinson
3 05/10/1953 0115 0.1 17 F1 0 0 Harmon 22 SW Mangum
4 06/05/1953 1600 0.1 27 F0 0 0 Harmon W of Vinson
5 06/01/1955 1730 12 400 F1 0 2 Harmon Hollis
6 04/18/1957 2130 1.5 200 F1 0 0 Harmon near Hollis
7 09/23/1958 1705 0.1 10 F? 0 0 Harmon 5 E Hollis
8 05/06/1965 1850 31 10 F2 0 2 Harmon/ Greer 8 W Hollis - 6 W Granite
9 05/06/1968 1715 5 10 F2 0 0 Harmon 4 SW- 1 NW Vinson
10 05/06/1968 1930 0.1 10 F1 0 0 Harmon 5 NE Hollis
11 04/17/1976 0140 24 50 F1 0 2 Harmon 1 E Hollis - NE corner of county
12 05/11/1982 2100 0.1 10 F0 0 0 Harmon outskirts of Hollis
13 05/11/1982 2315 0.5 50 F1 0 0 Harmon 5 SE Hollis
14 05/11/1982 2357 0.1 10 F1 0 0 Harmon 8 NNE Gould
15 05/15/1982 1653 0.1 10 F0 0 0 Harmon 10 N Hollis
16 03/03/1983 1723 5 10 F0 0 0 Harmon 1 NW Hollis - 1 W Arnett
17 05/13/1983 1739 15 500 F2 0 0 Harmon 6 WNW- 11 NE Hollis
18 05/13/1983 1805 0.1 50 F0 0 0 Harmon Just north of Shrewder
19 10/01/1986 1915 10 50 F1 0 0 Harmon 5 W- 5 NE McKnight
20 06/03/1995 1900 0.2 23 F0 0 0 Hardeman TX/ Harmon OK 15 SSW Gould OK/11 NW Goodlett TX
21 04/02/1999 1925-1950 8 150 F1 0 0 Harmon/ Greer 7 ENE Vinson - 2 WNW Bloomington
22 05/25/1999 1715 0.1 n/a F0 0 0 Harmon 5 N Madge
23 05/25/1999 1731 0.2 n/a F0 0 0 Harmon 6 E Vinson
24 04/15/2003 1823-1836 10 350 F2 0 0 Hardeman TX/ Jackson OK/ Harmon OK 2 N Williams TX - 9.5 S Gould OK [F1 in Oklahoma]
25 05/12/2010 1720-1725 3 50 EF0 0 0 Harmon 7 NW- 7 NNW Vinson
26 05/20/2019 1537-1538 0.5 50 EF? 0 0 Harmon 3 SW Hollis
27 05/20/2019 1545 0.2 30 EF? 0 0 Harmon 3 ENE Hollis
28 05/20/2019 1559 0.1 20 EF? 0 0 Harmon 2 NNE Gould
29 03/13/2021 2029 0.2 20 EF? 0 0 Harmon 6 S McQueen
 

Significant Tornadoes in Harmon County

  Date Time
(CST)
Path
Length
(miles)
Path
Width
(yards)
F-Scale Killed Injured County Path
  06/01/1955 1730 12 400 F1 0 2 Harmon Hollis

This tornado initially touched down along the southern edge of Hollis and moved northeastward through the southeastern and northeastern sides of the town before dissipating 12 miles northeast of Hollis. Light damage occurred and two people were injured.

  05/06/1965 1850 31 10 F2 0 2 Harmon/ Greer 8 W Hollis - 6 W Granite

This tornado was first spotted about 8 miles west of Hollis in Harmon County at about 6:30 pm CST, and was last observed about 6 miles west of Granite in Greer County. The heaviest damaged observed was in the Ron and Metcalf communities north of Hollis, and to the Hollis water plant located 12 miles to the north of the town. At least 6 homes, 10 barns, a cotton gin, a store, a church, and school building were destroyed or damaged in the area. More damage occurred 6 miles west of Granite to farm homes and barns. The tornado knocked out the power to Granite, but dissipated before it reached the town. Another tornado was observed in open county 5 miles northeast of Granite. Two people were injured by the tornado.

Hail to the size of golf balls was observed in Sentinel in Washita County, and was associated with the parent supercell thunderstorm. Several head of livestock were killed near Sentinel. The city of Cordell had hail to the size of quarters. An area of straight-line wind damage occurred in an area 3 miles wide and 20 miles long, and extended from a farm 5 miles northwest of Hollis in Harmon County to the town of Reed in Greer County.

  04/17/1976 0140 24 50 F1 0 2 Harmon 1 E Hollis - NE corner of county

A tornado touched down about 1 mile east of Hollis and moved to the northeast for 24 miles before lifting about one mile west of Mangum in Greer County. The first damage occurred when a mobile home was flipped on its side and 2 of the 6 occupants were injured. The next significant damage occurred 2 miles to the northeast of the mobile home where 2 barns and 1 outbuilding were damaged. The last significant damage occurred at a church, home, and an outbuilding in the rural community of Metcalf.

 

Records taken from the Storm Prediction Center archive data, "Storm Data", and data from the National Weather Service office in Norman. Data modified as described in NOAA Tech Memo NWS SR-209 (Speheger, D., 2001: "Corrections to the Historic Tornado Database").

Historic data, especially before 1950, are likely incomplete.