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Tornado Track Map for Washington County, OK
 
Washington County, OK Tornadoes Prior to 1950
# Date Time
(CST)
Path
Length
(miles)
Path
Width
(yards)
F-Scale Killed Injured County Path
  05/04/1934 1430       0 2 Washington 7 E Bartlesville
  03/30/1938 1000 30 250   0 0 Washington Ochelata - Ramona - Oglesby - Bartlesville - Columbus KS - Lamar MO (not continuous?)
  05/19/1938 0600 10 20   0 0 Washington/ Nowata Near Dewey - near Wann
  05/02/1942 1430 ~100 1760   3 32 Noble/ Pawnee/ Osage/ Washington/ Nowata S of Morrison - Pawhuska - near South Coffeyville
  05/19/1949 1715   75   0   Washington Near Dewey
  06/03/1949 1600 2.5 880   0 0 Washington N and NE of Bartlesville
Washington County, OK Tornadoes (1950-Present*)
# Date Time
(CST)
Path
Length
(miles)
Path
Width
(yards)
F-Scale Killed Injured County Path
1 06/05/1953 2020 2 50 F1 0 0 Washington 2.5 NE Dewey
2 04/19/1957 0145 9 400 F1 0 0 Washington 4 S Ramona
3 06/12/1957 0030 0.1 10 F0 0 0 Washington near Dewey
4 09/01/1958 1845 0.3 20 F1 0 0 Washington Near Bartlesville
5 05/18/1960 1730 0.1 10 F? 0 0 Washington Ramona
6 03/26/1961 1700 50 10 F2 0 2 Osage/ Washington/ Nowata Wynona - Pershing - Bartlesville - Dewey - near South Coffeyville
7 04/05/1965 1400 1.5 67 F2 0 0 Washington Bartlesville
8 05/06/1965 2100 0.1 10 F1 0 0 Washington NW of Dewey
9 05/26/1973 1500 0.3 100 F3 0 3 Washington 6 N Copan
10 08/17/1974 1800 1.5 77 F1 0 0 Washington 8 NE Bartlesville
11 11/03/1974 0230 0.5 70 F1 0 0 Washington 2 W Bartlesville
12 05/11/1978 1800 1 40 F1 0 0 Washington 1.5 SE Copan
13 03/18/1979 0900 8 30 F3 0 0 Washington/ Nowata Near Copan - Near Wann
14 05/23/1981 1730 15 100 F2 0 3 Washington/ Nowata 1 E Copan - near South Coffeyville
15 03/15/1982 1855 0.1 10 F1 0 0 Washington Near Copan
16 03/15/1982 1902 3 177 F2 0 57 Washington Downtown Bartlesville
17 04/26/1984 2309 0.1 17 F2 0 0 Washington 1 N Vera
18 06/10/1989 1929 2 60 F1 0 0 Washington 5 NNW Copan- 3 NNE Copan
19 04/26/1991 2005-2020 6 100 F2 1 10 Washington 1 SSW- 5 ENE Copan
20 06/08/1993 1835 0.1 30 F0 0 0 Washington 1 S Copan
21 04/10/1994 1640-1643 1.5 100 F1 0 3 Washington Bartlesville (near US 75/Adams - near Madison/ Tuxedo)
22 05/06/1994 1703 0.1 30 F0 0 0 Washington 3 S Copan
23 03/07/2000 2225-2227 1 50 F0 0 0 Washington 3 N Vera
24 06/04/2000 1925 0.2 50 F0 0 0 Washington 2 S Ramona
25 04/19/2003 1657-1730 20 440 F2 0 3 Osage/ Washington/ Nowata 6.5 NE Okesa - 7 WSW South Coffeyville
26 03/31/2008 0625 0.2 100 EF0 0 0 Washington 1 WSW Ramona
27 04/14/2011 1639 0.1 50 EF0 0 0 Washington 1 W Ochelata
28 04/14/2011 1644 0.1 50 EF0 0 0 Washington 2 N Ochelata
29 04/14/2011 1711-1714 1.6 200 EF1 0 0 Washington/ Nowata 7 ESE - 9.5 W Delaware
30 06/18/2011 2013 0.1 50 EF0 0 0 Washington 3 E Copan
31 05/20/2013 1451-1505 7 500 EF1 0 0 Osage/ Washington 4.5 S Avant - 5.5 W Vera
32 05/20/2013 1521-1530 5 400 EF1 0 0 Washington 3 SSE - 5 E Ramona
33 05/20/2013 1533-1547 6 500 EF1 0 0 Washington/ Rogers 5.5 ENE Ramona - 4 NNW Talala
34 05/31/2013 1738-1740 1.2 200 EF1 0 0 Washington 5.5 ESE - 6.5 W Owen
35 05/11/2017 1611 0.1 50 EF0 0 0 Washington 1.5 NE Ramona
36 04/30/2019 1344-1409 9.8 1300 EF2 0 0 Washington/ Rogers 5.2 E Ramona - 4.1 N Talala
 

Significant Tornadoes in Washington County

  Date Time
(CST)
Path
Length
(miles)
Path
Width
(yards)
F-Scale Killed Injured County Path
  03/26/1961 1700 50 10 F2 0 2 Osage/ Washington/ Nowata Wynona - Pershing - Bartlesville - Dewey - near South Coffeyville

This tornado touched down in Wynona in Osage County and moved northeastward through Pershing before striking the Bartlesville and Dewey areas in Washington County and then dissipating near South Coffeyville in Nowata County. Houses and business buildings were heavily damaged in Wynona and Pershing, and two children were injured by flying glass in Wynona.

In Washington County, both the Bartlesville and Dewey airports were heavily damaged while roofs, outbuildings, utility poles, trees, etc. were damaged extensively along the tornado's path. The last evidence of the damage path was near South Coffeyville where farmstead was damaged. Hail up to 1.5 inches fell along the path of the storm as it moved northeastward. No condensation funnel was spotted, but one witness described the storm as a low hanging square with three tails.

  05/26/1973 1500 0.3 100 F3 0 3 Washington 6 N Copan

A tornado struck two automobiles on U.S. Highway 75 six miles north of Copan, and rolled one car two times. The tornado moved easterly across the highway, downing 3 telephone poles, mangling fences, and damaging or destroying trees. Three people were injured in the automobiles and the car that was rolled was totally destroyed.

  05/23/1981 1730 15 100 F2 0 3 Washington/ Nowata 1 E Copan - near South Coffeyville

A tornado touched down one mile east of Copan and then moved east-northeast to near Wann and South Coffeyville. Three people were injured by this tornado.

  04/26/1991 2005 6 100 F2 1 10 Washington 1 SSW - 5 ENE Copan

This tornado touched down 1 mile south-southwest of Copan in Washington County at 8:05 pm CST, and destroyed a convenience store and bait shop, along with damage to other buildings and trees. Two women were waiting in their car for the storm to pass, when the tornado picked the car up and tossed it into a field 250 yards to the northeast. The passenger was killed and the driver was critically injured. Nine other people were also injured in Copan. The tornado continued intermittently to the northeast, and lifted at 8:20 pm CST, just before crossing into Nowata County. The tornado was rated an F2, and damage was estimated at $100,000.

  04/10/1994 1640-1643 1.5 100 F1 0 3 Washington Bartlesville (near US 75/Adams - near Madison/ Tuxedo)

Thunderstorms developed in southwestern Oklahoma during the evening hours on April 10th and early morning hours of April 11th and moved to the east and northeast into much of central and portions of southeastern Oklahoma. These storms produced hail up to 2.25 inches in diameter, winds up to 75 mph, damaging lightning, and flash flooding rains.

A tornado touched down in Bartlesville near the intersection of U.S. Highway 75 and Adams Boulevard and moved near the intersection of Madison Boulevard and Tuxedo Boulevard. Roof damage occurred at the London House apartments, an antique mall, and several houses. Utility poles and trees were also blown down. One man reported he was lifted 4 to 5 feet in the air by the tornadic winds, sent spinning into cartwheels, and received a bloody nose. A total of 3 people were injured.

  04/19/2003 1657-1730 20 440 F2 0 3 Osage/ Washington/ Nowata 6.5 NE Okesa - 7 WSW South Coffeyville

A tornado touched down 8 miles west southwest of Dewey or 6.5 miles northeast of Okesa and traveled 5 miles east-northeast before entering Washington County 5 miles northwest of Dewey or 7.2 miles southeast of Bowring. The tornado produced a 200-yard-wide damage swath along its path. The damage was to trees and power lines.

The tornado entered Washington County 5 miles northwest of Dewey and passed between Dewey and Copan before entering Nowata County 1 mile north of Wann or 6.8 miles east northeast of Copan. The tornado produced F2 damage and a half-mile-wide damage path at its peak. A total of 41 homes, 2 businesses and 40 barns and sheds were damaged. Sixteen of the homes were severely damaged including two mobile homes which were completely destroyed. Three people were treated at an emergency room of a hospital in Bartlesville due to injuries received during the tornado. Two of those people were inhabitants of one of the mobile homes that was destroyed.

The tornado entered Nowata County from Washington County one mile north of Wann. The tornado traveled east-northeast for 3 miles producing damage to barns, sheds, and power poles and power lines before lifting 7 miles west-southwest of South Coffeyville. The electrical service was interrupted for up to 8 hours in the northwest part of Nowata County and adjacent parts of Washington County.

 

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.