National Weather Service United States Department of Commerce

Severe Weather Across the Northern Tier of the Country; Heat Builds Across the Center of the Nation

A frontal boundary will focus the threat for showers and thunderstorms, some severe, across the northern tier of the country through Tuesday. Meanwhile, dangerous heat will expand across the center of the nation through at least the middle of the week. Elevated to critical fire weather conditions will persist across the Great Basin, portions of the Plains and interior Alaska. Read More >

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Tornado Track Map for Seminole County, OK
 
Seminole County, OK Tornadoes Prior to 1950
# Date Time
(CST)
Path
Length
(miles)
Path
Width
(yards)
F-Scale Killed Injured County Path
  10/28/1896 2215 4 440   0 3 Seminole Wewoka
  06/01/1917           9 Seminole 9 N Seminole
  08/30/1919 1800   880       Seminole Near Konawa
Seminole County, OK Tornadoes (1950-Present*)
# Date Time
(CST)
Path
Length
(miles)
Path
Width
(yards)
F-Scale Killed Injured County Path
1 09/15/1950 1745 7 100 F2 0 6 Seminole/ Hughes Sasakwa
2 05/01/1954 1800 39 10 F2 0 6 Pontotoc/ Seminole/ Hughes/ Okfuskee Cedar Grove community - Sasakwa - near Spaulding - near Holdenville.. Yeager.. Wetumka.. Weleetka
3 05/01/1954 1815 20 100 F2 0 0 Seminole Near Bowlegs - near Excelsior (possibly ~1 W Schoolton)
4 05/01/1954 1905 6 220 F2 0 0 Seminole/ Okfuskee 1.5 NW Cromwell NNE into western Okfuskee county
5 07/15/1954 0820 0.8 880 F1 0 0 Seminole 2 NW Seminole
6 04/23/1955 0600 0.1 10 F1 0 0 Seminole E of Wewoka
7 04/28/1956 1710 1 50 F0 0 0 Seminole near Konawa
8 05/31/1956 0800 1.5 77 F2 0 0 Seminole NW of Seminole
9 06/08/1956 1330 7 150 F2 0 0 Seminole 6 NW - 5 NE Seminole
10 06/08/1956 1330 12 150 F2 0 0 Seminole 6 NW Seminole - near Wewoka
11 01/22/1957 0330 64 440 F2 0 0 Pottawatomie/ Seminole/ Hughes/ Okfuskee/ McIntosh Near St. Louis - Wewoka - Wetumka - Weeletka – Ryal [likely tornado family]
12 09/14/1957 1730 68 440 F4 2 6 Cleveland/ Pottawatomie/ Seminole/ Hughes Southern Cleveland County NW of Wayne - near Sacred Heart - near Konawa - near Wetumka
13 05/17/1958 1602 0.1 10 F0 0 0 Seminole 6 SW Wewoka
14 11/17/1958 0923 18 300 F3 0 15 Seminole SW of Bowlegs - Bowlegs - NE of Bowlegs
15 05/10/1959 1500 2 300 F2 0 0 Seminole 5 S Konawa
16 04/28/1960 2345 6 800 F2 3 1 Seminole 4 W- 4 NW Cromwell
17 05/04/1960 2005 8 10 F4 0 0 Pottawatomie/ Seminole 2 W- 5 N Konawa
18 02/17/1961 1815 73 300 F3 0 11 Garvin/ Pontotoc/ Pottawatomie/ Seminole/ Hughes/ Okfuskee/ Okmulgee Stratford - Konawa - Wewoka - S of Shulter [tornado family.]
19 05/26/1963 1815 0.1 10 F3 0 2 Seminole 2 W Bowlegs - Bowlegs - 7 E Bowlegs
20 05/26/1965 0500 0.1 10 F2 0 0 Seminole Near Wewoka
21 04/16/1967 2040 12 10 F2 0 3 Seminole 2 SW Bowlegs - Bowlegs - 12 ENE Bowlegs
22 06/16/1967 1828 0.1 10 F0 0 0 Seminole 3 NW Seminole
23 04/19/1968 1545 7 150 F3 0 0 Seminole 5 NW- 9 N Seminole
24 05/13/1968 1345 12 100 F3 0 0 Pottawatomie/ Seminole 5 WSW- 6 NNE Konawa
25 04/19/1971 2043 1.5 50 F1 0 6 Seminole 6 NW Seminole
26 01/18/1973 0220 5 30 F2 0 4 Seminole Near Seminole
27 05/06/1973 1400 9 70 F2 0 0 Seminole SW of Seminole - N of Seminole
28 05/23/1973   n/a n/a F1 0 0 Seminole 1 NE Konawa
29 03/10/1974 1500 3 33 F1 0 0 Seminole Near Wolf
30 06/08/1974 1745 12 450 F2 0 0 Seminole 9 NW Seminole - ~3 NE Little
31 06/08/1974 1805 30 1300 F3 0 0 Seminole/ Okfuskee 4 N Little - 2 SW Tuskegee
32 04/10/1979 2005 0.2 13 F0 0 0 Pottawatomie/ Seminole N of Maud
33 05/17/1981 1845 3 200 F2 0 0 Seminole 4 NNW Seminole - 1.5 SSW Little
34 05/17/1981 1900 34 600 F4 0 2 Seminole/ Okfuskee/ Okmulgee 2 SSE Little- N of Okemah- W edge of Lake Okmulgee
35 05/17/1981 2010 15 350 F3 0 0 Seminole/ Okfuskee SW of Cromwell - just NE of Okemah
36 03/15/1982 1710 0.5 10 F1 0 0 Seminole Near Konawa
37 05/13/1983 2355 0.1 50 F0 0 0 Seminole 2 SW Konawa
38 06/27/1983 2102 0.1 10 F0 0 0 Seminole 8 SW Wewoka
39 03/03/1984 2201 15 30 F0 0 0 Seminole/ Pontotoc/ Hughes 2 S Konawa- ~2 SE Sasakwa
40 05/05/1984 0500 0.1 10 F1 0 0 Seminole 3 E Little
41 11/01/1984 0810 0.1 10 F1 0 0 Seminole Near Bowlegs
42 04/29/1985 2000 0.1 10 F1 0 0 Seminole 2 NW Seminole
43 05/07/1995 1545 0.2 73 F0 0 0 Seminole Sasakwa
44 06/09/1995 1658-1714 5 300 F2 0 0 Seminole S Seminole- 2 E Seminole
45 05/26/1997 1745 0.1 50 F0 0 0 Seminole 1 N Cromwell
46 05/26/1997 1747-1748 1.5 50 F0 0 0 Seminole 1 SW - 1 E Cromwell
47 06/08/1998 1811-1815 4 50 F1 0 0 Pottawatomie/ Seminole 3 WSW - 1 SE Maud
48 06/08/1998 1835-1850 8 440 F2 0 0 Seminole/ Hughes 3 SW Wewoka - Wewoka - 4 N Holdenville
49 10/04/1998 2108-2125 10 880 F3 0 1 Seminole/ Pottawatomie 5 WNW Little - Center View - 3 SE Prague
50 03/26/2000 1723 0.1 70 F0 0 0 Seminole 3 SW Cromwell
51 04/22/2004 1721 0.1 20 F0 0 0 Seminole 3 NE Bowlegs
52 03/21/2005 1518 0.1 20 F0 0 0 Seminole Cromwell
53 05/06/2007 2023 0.2 20 EF0 0 0 Seminole 2 ENE Seminole
54 05/06/2007 2038 0.2 20 EF0 0 0 Seminole 2 E Little
55 04/29/2009 1027-1031 2 30 EF1 0 0 Seminole 3 WNW - 4.5 NW Wewoka
56 05/10/2010 1656-1747 37 2200 EF3 0 28 Pottawatomie/ Seminole/ Okfuskee 3 WSW Tecumseh - Tecumseh - 3.5 N Bearden
57 05/23/2015 1725-1733 4 100 EF1 0 0 Pontotoc/ Seminole 2 NE Francis - 1 S Sasakwa
58 10/21/2017 2052-2055 2 150 EF1 0 0 Seminole Seminole (1 NW - 1 ESE Downtown)
59 05/22/2019 1529-1531 1 50 EF1 0 0 Seminole 1.5 NNW - 1.5 NNE Cromwell
60 06/19/2019 0121-0122 1 50 EF1 0 0 Seminole Konawa
61 10/20/2019 2112-2115 2.8 100 EF1 0 0 Seminole 3 ENE - 5 ENE Konawa
 

Significant Tornadoes in Seminole County

  Date Time
(CST)
Length
of Path
(miles)
Width
of Path
(yards)
F-Scale Killed Injured County Location
  09/15/1950 1745-1800 7 100 F2 0 6 Seminole/ Hughes Sasakwa

Three homes were completely destroyed and 8 homes were damaged when a tornado hit Sasakwa. Three businesses were also flattened and oil tanks were demolished. About 80% of the damage to buildings and cotton/peanut crops was due to the tornado with 10% of the damages coming from high winds, and another 10% due to heavy rainfall. The tornado moved northeastward through Sasakwa and into southwestern Hughes County before dissipating.

  05/01/1954 1800 39 10 F2 0 6 Pontotoc/ Seminole/ Hughes/ Okfuskee Cedar Grove community - Sasakwa - near Spaulding - near Holdenville.. Yeager.. Wetumka.. Weleetka

A tornado was observed at 6:00 pm CST about 1 mile east-southeast of Francis, OK and or about 1 mile southwest of the Cedar Grove Community in northern Pontotoc County. As it moved northeastward for about 39 miles, a total of $2.5 million in damages occurred in or near the towns of Francis, Sasakwa, Spaulding, Holdenville, Yeager, Wetumka, and Weleetka.

  09/14/1957 1730 68 440 F4 2 6 Cleveland/ Pottawatomie/ Seminole/ Hughes Southern Cleveland County NW of Wayne - near Sacred Heart - near Konawa - near Wetumka

This tornado formed northwest of the town of Wayne in McClain County near the Canadian River and moved nearly eastward along a hit-and-miss path. In southern Cleveland County, a damage path 3 miles long and 1/4 mile wide was documented. In this area, 3 barns were destroyed, trees snapped, and crops flattened by wind, rain, and hail.

The tornado continued almost due east and the worst damage was inflicted in a 7-mile-long area near Sacred Heart in southeastern Pottawatomie County and southwestern Seminole County. A tornado was observed 2 miles northwest of Konowa at 6:55 pm CST. Two persons were killed and 6 were injured in 3 homes which were completely leveled along this path. Many other homes and buildings were damaged. Extensive damage occurred to oil field equipment and a total of 8 rigs were destroyed with losses estimated at $40,000.

Other wind damage was reported near Wetumka, but this damage was probably unrelated to this tornado, a may have been related to another in a series of tornadoes produced by the same parent supercell thunderstorm or another supercell. It is possible that the damage caused in Wetumka was due to straight-line winds.

  11/17/1958 0923 18 300 F3 0 15 Seminole SW of Bowlegs - Bowlegs - NE of Bowlegs

This tornado touched down just southwest of Bowlegs and moved northeast into the city before dissipating about 18 northeast of Bowlegs (or about a mile southeast of Cromwell) near the Seminole/Okfuskee County line. The tornado destroyed 2 churches and 8 homes in Bowlegs, and damaged a school, another church, 2 businesses, and 35 other dwellings in the city. Farm homes and oil field property were destroyed or damaged from both southwest and northeast of Bowlegs. An oil field camp southeast of Seminole near Roscoe was reported to have damage from the tornado. Two people had indirect deaths during the event, as they suffered and died from heart attacks. Only one person was hospitalized and the other 14 injuries were from cuts and bruises. Very strong downdraft winds that accompanied the tornado caused extensive damage in the area. This tornado was part of an outbreak of severe weather that occurred in Oklahoma and north Texas during mid and late morning of November 17, 1958.

  04/28/1960 2345 6 800 F2 3 1 Seminole 4 W - 4 NW Cromwell

A tornado touched down 4 miles west of Cromwell and moved northeast through a rural part of Seminole County. It completely destroyed one farm and damaged several others. Three deaths occurred at the destroyed farmstead, and a person was injured at another farm when the tornado moved the farmhouse off its foundation. Heavy damage occurred to trees and utility poles within the path of the tornado.

  05/04/1960 2005 8 400* F4 0 0 Pottwatomie/ Seminole 2 W - 5 N Konawa

This violent tornado formed just 2.2 miles west of Konawa and moved northeast before lifting 5 miles north of Konawa. Along the 8-mile damage path a total of 4 farmsteads that were completely destroyed. One new home was completely swept away. Fortunately, there were no fatalities or injuries as people in and near Konawa had taken refuge in their storm shelters. This was the first of 5 violent tornadoes that would occur during a two-day period in Oklahoma on May 4-5, 1960.

  02/17/1961 1815 73 300 F3 0 11 Garvin/ Pontotoc/ Pottawatomie/ Seminole/ Hughes/ Okfuskee/ Okmulgee Stratford - Konawa - Wewoka - S of Shulter [tornado family.]

A parent supercell thunderstorm produced a series of tornadoes from Stratford to Konawa to Wewoka through areas in Okfuskee and Okmulgee counties. The first tornado hit Stratford where considerable damage occurred to 50 homes and several businesses. One person was injured by flying debris in Stratford.

The next report of a tornado occurred in Seminole County at Konowa where the tornado moved northeastward and cut a 3-blick-wide path of destruction through across the city and through the main business district. About 150 homes and 40 businesses were destroyed or damaged. Seven people were injured in Konawa.

The same tornado or possibly a new tornado skipped and only produced spotty damage until it reached Wewoka where about 75 houses were damaged in a path the was 2.5 blocks wide and 11 blocks long. Several farmstead were damaged and two people were injured when their car was picked up off OK State Highway 9 about 6 miles west of Wetumka.

More tornadic damage was evident as several farmsteads, homes, and utility lines were damaged southeast of Pharoah in Okfuskee County and northwest of Henryetta in Okmulgee County, where 1 injury was reported. The last tornado in the series lifted south of Schulter in Okmulgee County.

  05/26/1963 1815 0.1 10 F3 0 2 Seminole 2 W Bowlegs - Bowlegs - 7 E Bowlegs

A line of strong to severe thunderstorms intensified over the southern part of Oklahoma City and moved east-southeastward, producing a 67-miles path of damage from hail, 4 tornadoes, high winds, and heavy rainfall from Del City in Oklahoma County, through parts of Pottawatomie and Seminole Counties, and eventually to the Holdenville area in Hughes County.

The fourth tornado during the event occurred as the main supercell thunderstorm moved into the Bowlegs and Roscoe communities in Seminole County. It was sighted at 6:15 pm CST and produced damage from 2 miles west of Bowlegs and through Bowlegs before dissipating 7 miles east of Bowlegs. The tornado and accompanying straight-line winds of 90 mph destroyed or severely damaged 150 buildings along its path. About 75 percent of the residences in Bowlegs were damaged, along with the school and most of the town's businesses. High winds also destroyed 7 oil derricks and drilling rig, and knocked out all electrical and telephone services. The oil rig, located near Roscoe, toppled onto the top of a storm cellar where some oil field workers had taken refuge. One woman received a minor cut on her face as the tornado destroyed the barn where she and her husband were feeding livestock.

  04/16/1967 2040 12 10 F2 0 3 Seminole 2 SW Bowlegs - Bowlegs - 12 ENE Bowlegs

A funnel was initially sighted about 2 miles southwest of Bowlegs and traveled across Bowlegs at about 8:40 pm CST. Several roofs received roof damage as did the Bowlegs School. More damage occurred at a farmstead 2 miles east of Bowlegs on the north side of OK State Highway 99B where trees were twisted and limbs broken, a window was blown out of a house, fences were torn down, and a small stock barn was demolished. Another home was heavily damaged and a garage destroyed about 3 miles east of Bowlegs, and large trees were twisted and large debris was blown to the northeast in this area.

The path of damaged trees continued eastward across a rolling, wooded area to 3.5 miles east of Bowlegs where a small church was lifted off its foundation and damaged. At a location 4 miles east of Bowlegs and 0.5 miles north of OK State Highway 99B, a 35-foot by 60-foot barn was destroyed and 2 homes were lightly damaged. The tornado then moved northeastward for another 5 miles before moving eastward again for the last part of its damage path. The tornado crossed OK State Highway 56 about 1 mile north-northeast of the Wewoka city limits and terminated near the Seminole-Hughes county line or about 12 miles east-northeast of Bowlegs.

  04/19/1971 2043 1.5 50 F1 0 6 Seminole 6 NW Seminole

The tornado struck a mobile home 6 miles northwest of Seminole and 6 people inside received minor injuries. The tornado moved in an easterly direction during its 1.5-mile-long path, and it also destroyed 9 barns and uprooted numerous trees. A dairy farm was hit and the farm house was damaged. Total damages from the tornado were estimated at $65,000.

  01/18/1973 0220 5 30 F2 0 4 Seminole Near Seminole

A tornado touched down near Seminole and moved to the northeast, destroying a mobile home, taking the roofs or sides off of 4 houses, and blowing the windows out of several other homes. Cars were damaged by flying debris, large trees were uprooted, and outbuildings were destroyed. Four people from one family living in the mobile home received minor injuries.

  05/17/1981 1900 34 600 F4 0 2 Seminole/ Okfuskee/ Okmulgee 2 SSE Little- N of Okemah- W edge of Lake Okmulgee

A long-track tornado began 2 mile south-southeast of Little, OK in Seminole County and moved northeast into Okfuskee County. The tornado passed north of Okemah at about 7:35 pm CST, finally dissipating at the west edge of Lake Okmulgee in Okmulgee County. Damage occurred to houses, trailer houses, outbuildings, livestock, cars, a church, trees, and other vegetation. Softball size hail accompanied the storm.

  10/04/1998 2108-2125 10 880 F3 0 1 Seminole/ Pottawatomie 5 WNW Little - Center View - 3 SE Prague

A major severe weather outbreak occurred across western and central Oklahoma from the afternoon of October 4th through the early morning of October 5th, and resulting in 19 tornadoes in the NWS Norman forecast area, straight-line wind damage, hail as large as baseballs, and significant flooding across portions of Lincoln and Noble Counties, where numerous costly bridges were destroyed. A total of 26 tornadoes occurred in Oklahoma during the outbreak, which set a record for the most tornadoes in the state for an autumnal tornado outbreak.

The 19th and last tornado of the outbreak in the NWS Norman area touched down 5 miles west-northwest of Little, near the intersection of EW 114 Road and NS 351 Road in northwestern Pottawatomie County, where minor tree damage was observed. The tornado, rated F3 in intensity, then increased in size to approximately a 1/2 mile wide as it moved northeast. As it crossed NS 351 Road and then EW 113 Road, a number of outbuildings were heavily damaged, and trees were snapped. Three mobile homes received light damage near the north edge of the path, and 3 other homes received light damage to shingles. The tornado crossed U.S. Interstate Highway I-40 blowing over a truck which was carrying hazardous materials.

The tornado then continued northeast unroofing a mobile home, causing damage to trees and destroying a number of outbuilding before crossing the North Canadian River into northeast Pottawatomie County. Along EW 110 Road, significant tree damage was observed, and a barn was partially unroofed. The community of Center View near the intersection of OK State Highway 99 and EW 109 Road was then hard hit with most of the damage south and east of this intersection. From the debris pattern, the center of the tornado crossed OK State Highway 99 one-half mile south of EW 109 Road. A house along OK State Highway 99 was unroofed and lost most of its exterior walls. Three homes suffered major damage along EW 109 Road. Two other homes suffered significant damage.

As the tornado continued moving northeast another home suffered significant roof damage, and the south facing brick wall was buckled. The garage was destroyed. Steel and cinder block from the garage were impaled in a tree. There was also significant damage to large trees. Farther northeast, damage to a roof was noted, and a large number of power lines were downed along NS 357 Road near the intersection of EW 108 Road. One outbuilding was damaged, and light damage was observed in trees just south of EW 107 Road. In total, at least 60 homes or businesses were damaged.

  05/10/2010 1656-1747 37 2200 EF3 0 28 Pottawatomie/ Seminole/ Okfuskee 3 WSW Tecumseh - Tecumseh - 3.5 N Bearden

A significant outbreak of severe thunderstorms and tornadoes affected a large part of northern, central, and southern Oklahoma. Tornadoes were most numerous across central and southern Oklahoma, with significant damage occurring over many areas. Severe thunderstorms erupted by midafternoon across northern and western Oklahoma. Given the potent combination of ingredients in place, storms began to produce tornadoes quickly after initiation. Storm motions of 50 to 60 mph were common.

This tornado lasted for 37 miles and continued into Seminole and Okfuskee counties, with significant damage along almost its entire path. At times, the tornado damage path widened up to a mile. The most significant damage was located north and northeast of Earlsboro near the Pottawatomie/Seminole county border. Here a two-story home was destroyed except for a few interior walls. A pick-up truck was also lofted approximately a quarter of a mile, and a semi-trailer was lofted or rolled approximately 200 yards. Farther east along its path, seven high tension towers were downed. Significant tree damage was reported along the entire track of the tornado, some of them debarked and stripped off all their branches.

As this tornado continued through Seminole County, it knocked down 7 high tension towers were downed. Several hangers were destroyed at the Seminole Municipal Airport north of Seminole, and one small aircraft was flipped onto one of the destroyed hangers. Two mobile homes were destroyed near the airport and one resident suffered a broken arm. Significant tree damage was reported along the entire track of the tornado, some of them debarked and stripped off all their branches.

The tornado moved into southwestern Okfuskee County from Seminole County. The tornado snapped or uprooted numerous trees and blew down power poles in Okfuskee County. The estimated peak wind in this segment of the tornado's path based on this damage was 95 mph.

 

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.