Showers, along with a few strong to severe thunderstorms, are expected from the Great Lakes, New England and southward into the Ohio and Tennessee Valleys. In the wake of this system, a stronger storm is expected to track from the Pacific Northwest, Plains and through the Eastern U.S. this weekend. Strong winds, showers and a larger drop in temperatures are expected this weekend into Monday. 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.
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