Dangerous, prolonged heat is expected across portions of the Central and Southeast U.S. through July. Scattered severe thunderstorms are expected over parts of the northern Plains into the upper Mississippi Valley today, with damaging winds and large hail as the primary threats. Heavy rainfall could lead to areas of flooding across the northern Plains, Upper Midwest, Southeast and Southwest. 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.
Follow us on X
Follow us on Facebook
Follow us on YouTube
OUN RSS Feed