On May 24, 2011, Oklahoma experienced its first tornado rated EF5 since the Enhanced Fujita scale was adopted by the National Weather Service in 2007.
In all, there have been 12 tornadoes rated F5/EF5.
F5/EF5 Tornadoes in Oklahoma (1905-Present). Shown are the date, time, rating, counties and general path of the tornado.
1. May 10, 1905, 8:05 p.m., F5, Jackson, Kiowa counties; three miles south, southwest of Humphreys — Snyder — three miles northeast of Snyder.
2. April 14-15, 1939, 11 p.m., F5, Dewey, Major, Woodward, Woods counties in Oklahoma and Barber County, Kan.; near Vici, near Waynoka, near Hopeton, near Alva, Capron, just inside Kansas.
3. April 12, 1945, 5:40 p.m., F5, Pushmataha County; Antlers.
4. April 9, 1947, 7:52 p.m., F5, Hemphill and Lipscomb counties in Texas; Ellis, Woodward, Woods counties in Oklahoma — near Canadian, Texas; Glazier, Texas; Higgins, Texas; and four miles southeast of Shattuck, four miles northwest of Arnett, three miles southeast of Gage, two miles southeast of Fargo, Woodward, 10 miles west of Alva.
5. May 31, 1947, 7:30 p.m., F5, Roger Mills, Dewey counties; western Roger Mills County, near Leedey.
6. May 25, 1955, 9:26 p.m., F5, Noble and Kay counties, Sumner County in Kansas; eight miles west of Marland, east of Tonkawa, Blackwell, southeast of South Haven, Kan.
7. May 25, 1955, 10 p.m., F5, Kay County in Oklahoma, Sumner and Cowley counties in Kansas; south of Ashton, Kan., Udall Kan., Atlanta, Kan.
8. May 5, 1960, 5 p.m., F5, Pottawatomie, Lincoln, Okfuskee, Creek counties; south of Shawnee, between Paden and Prague, Iron Post, Sapulpa, northeast of Sapulpa.
9. March 26, 1976, 3:28 p.m., F5, Le Flore County; 4 miles east of Bokoshe, Spiro.
10. April 2, 1982, 3:50 p.m., F5, Choctaw and McCurtain counties; south of Speer, near Messer, Hugo Lake, south edge of Broken Bow, four miles southeast of Eagleton.
11. May 3, 1999, 5:26 p.m., F5, Grady, McClain, Cleveland, Oklahoma counties; two miles south, southwest of Amber, far north Newcastle, southwest Oklahoma City, north Moore, south Del City, west Midwest City.
12. May 24, 2011, 3:50 p.m., EF5, (First EF5 in Oklahoma after scale change) Canadian, Kingfisher, Logan counties; four miles west, southwest of Hinton, near Calumet, near El Reno, near Piedmont, near Cashion, four miles northeast of Guthrie.
SOURCE: National Weather Service,
Norman Forecast Office