
Heat expands across the Desert Southwest, Plains, Mississippi Valley and Midwest into Monday. Fire weather concerns continue for portions of the Intermountain West. Active monsoonal moisture fuels thunderstorms over the Southwest with possible flash flooding. Tropical cyclone Fausto in the Pacific, should weaken as it approaches Hawaii; Dangerous surf, swells and rip currents are expected. Read More >
| SPC ID # |
Date | Time (CST) |
Path Length (miles) |
Path Width (yards) |
F-Scale | Killed | Injured | County | Path |
|---|---|---|---|---|---|---|---|---|---|
| 04/30/1898 | 2230 | 3 | 1320 | 1 | 19 | Stephens | Near Duncan | ||
| 05/28/1908 | Aft | 167 | Stephens | Near Duncan and "Nellie" (10 NW Duncan) | |||||
| 53-38 | 06/19/1953 | 1720 | 0.3 | 50 | F1 | 0 | 1 | Stephens | S of Duncan (Meridian school community) |
| 55-4 | 04/11/1955 | 2130 | 15 | n/a | F0 | 0 | 0 | Stephens | Near Duncan |
| 55-7 | 04/22/1955 | 1900 | n/a | n/a | F1 | 0 | 2 | Stephens | Near Duncan |
| 57-27 | 04/20/1957 | 1830 | n/a | n/a | F1 | 0 | 1 | Stephens | 6 W Duncan |
| 57-80 | 05/24/1957 | 2225 | 3 | n/a | F2 | 0 | 0 | Stephens | 1.5 SW Duncan - Duncan |
| 60-71 | 05/19/1960 | 1650 | n/a | n/a | F? | 0 | 0 | Stephens | 2 E Duncan |
| 60-86 | 05/23/1960 | 2100 | n/a | n/a | F? | 0 | 0 | Stephens | 6 W Duncan |
| 61-55 | 05/13/1961 | 1915 | n/a | n/a | F1 | 0 | 0 | Stephens | Duncan |
| 62-9 | 05/20/1962 | 2311 | n/a | n/a | F? | 0 | 0 | Stephens | 7 N Duncan |
| 62-64 | 07/28/1962 | 1220 | 1.0 | 50 | F2 | 0 | 1 | Stephens | S part of Duncan |
| 63-3 | 03/30/1963 | 1630 | 2 | 50 | F? | 0 | 0 | Stephens | 3 NE Duncan |
| 66-1 | 02/08/1966 | 1720 | 11 | 67 | F2 | 0 | 2 | Stephens | Duncan - 2 SE Marlow |
| 70-17 | 06/11/1970 | 1445 | 10 | 167 | F1 | 0 | 2 | Stephens | S edge of Duncan |
| 70-39 | 09/07/1970 | 2030 | 0.2 | 200 | F2 | 0 | 0 | Stephens | Duncan |
| 75-5 | 02/22/1975 | 0215 | 5 | 70 | F2 | 0 | 2 | Stephens | 3 SW Duncan - Duncan Airport |
| 75-6 | 02/22/1975 | 0215 | 6 | 70 | F2 | 0 | 4 | Stephens | 3 W Duncan - W part of Duncan |
| 77-18 | 05/05/1977 | 1930 | 0.5 | 50 | F1 | 0 | 0 | Stephens | NE part of Duncan |
| 83-74 | 06/27/1983 | 2200 | 0.1 | 10 | F0 | 0 | 0 | Stephens | 2 W Duncan |
| 91-20 | 04/02/1991 | 1729 | 0.1 | 30 | F0 | 0 | 0 | Stephens | 2 W Duncan |
| 93-37 | 05/08/1993 | 1619 | 8 | 60 | F0 | 0 | 0 | Stephens | 8 SW- 4 WNW Duncan |
| 05/25/1997 | 1736 | 0.5 | 50 | F1 | 0 | 0 | Stephens | 3 S Duncan | |
| 05/08/2003 | 0008 | 3 | 200 | F1 | 0 | 0 | Stephens | 7 SE - 6 E Duncan | |
| 03/30/2006 | 1418 | 0.5 | 50 | F0 | 0 | 0 | Stephens | 6 ESE Duncan | |
| 05/18/2017 | 1800 | 0.2 | 50 | EF0 | 0 | 0 | Stephens | 3 W Duncan |
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.