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Tornado in Seminole County, Oklahoma
61 tornadoes events in the NCEI Storm Events record, 1950 to 2026. Event types counted: Tornado.
NCEI notes that Storm Data is compiled from a variety of sources including the National Weather Service, other federal, state and local agencies, the media and the public; that property and crop damage figures are estimates; and that some events are recorded by NWS forecast zone rather than by county. FEMA notes that NFIP claim records are redacted and aggregated to protect the privacy of policyholders. Storm records through 30 Jun 2026.
NCEI records 61 tornado events in Seminole County, Oklahoma, between 1950 and 2026, spread over 34 years.
May is the busiest month, with 26 of the recorded events. The last 20 years account for 18 events against 10 in the 20 years before, a change that reflects reporting practice as much as weather.
The county holds 1.2% of the 5,054 tornado events recorded in Oklahoma; its 9.6 per 100 square miles compares with 7.4 statewide.
By rating: 17 at (E)F0, 19 at (E)F1, 16 at (E)F2, 7 at (E)F3, 2 at (E)F4, 0 at (E)F5. Tornadoes before 2007 carry the original Fujita rating.
Compared with Oklahoma
| Measure | Seminole County | Oklahoma | US |
|---|---|---|---|
| Tornado events since 1950 | 61 | 5,054 | 81,281 |
| Per 100 square miles | 9.6 | 7.4 | 2.3 |
| Per 10,000 residents | 25.9 | 12.7 | 2.4 |
| Deaths recorded | 0 | 364 | 6,410 |
| Busiest month | May | May | May |
By year
Seasonality
1Feb
1Mar
6Apr
9May
26Jun
10Jul
1Aug
0Sep
1Oct
3Nov
3Dec
0
Magnitude distribution
Enhanced Fujita scale wind estimates
- EF0/F0
- 65–85 mph (EF0)
- EF1/F1
- 86–110 mph (EF1)
- EF2/F2
- 111–135 mph (EF2)
- EF3/F3
- 136–165 mph (EF3)
- EF4/F4
- 166–200 mph (EF4)
- EF5/F5
- over 200 mph (EF5)
- Unrated
- no rating recorded
Tornado rating as recorded (Fujita scale before February 2007, Enhanced Fujita after).
Recorded events
All 61 events, most recent first. Magnitude is hail size, tornado rating or wind speed as recorded.
| Date | Event type | Magnitude | Property damage | Crop damage | Deaths | Injuries | Geography |
|---|---|---|---|---|---|---|---|
| 3 Apr 2026 | Tornado | EF1 | $20K | — | — | — | County |
| 6 Mar 2026 | Tornado | EF0 | — | — | — | — | County |
| 3 Nov 2024 | Tornado | EF1 | $20K | — | — | — | County |
| 4 May 2022 | Tornado | EF2 | $300K | — | — | — | County |
| 4 May 2022 | Tornado | EF1 | $100K | — | — | — | County |
| 4 May 2022 | Tornado | EF1 | $30K | — | — | — | County |
| 4 May 2022 | Tornado | EF0 | — | — | — | — | County |
| 4 May 2022 | Tornado | EF0 | — | — | — | — | County |
| 2 May 2022 | Tornado | EF1 | $150K | — | — | — | County |
| 20 Oct 2019 | Tornado | EF1 | $10K | — | — | — | County |
| 19 Jun 2019 | Tornado | EF1 | $100K | — | — | — | County |
| 22 May 2019 | Tornado | EF1 | $3K | — | — | — | County |
| 21 Oct 2017 | Tornado | EF1 | $50K | — | — | — | County |
| 23 May 2015 | Tornado | EF1 | — | — | — | — | County |
| 10 May 2010 | Tornado | EF3 | — | — | — | 26 | County |
| 29 Apr 2009 | Tornado | EF1 | — | — | — | — | County |
| 6 May 2007 | Tornado | EF0 | $15K | — | — | — | County |
| 6 May 2007 | Tornado | EF0 | $40K | — | — | — | County |
| 21 Mar 2005 | Tornado | F0 | $5K | — | — | — | County |
| 22 Apr 2004 | Tornado | F0 | — | — | — | — | County |
| 26 Mar 2000 | Tornado | F0 | — | — | — | — | County |
| 4 Oct 1998 | Tornado | F2 | $75K | — | — | — | County |
| 8 Jun 1998 | Tornado | F1 | — | — | — | — | County |
| 8 Jun 1998 | Tornado | F2 | — | — | — | — | County |
| 26 May 1997 | Tornado | F0 | $15K | — | — | — | County |
| 26 May 1997 | Tornado | F0 | — | — | — | — | County |
| 9 Jun 1995 | Tornado | F2 | $5.0M | — | — | — | County |
| 7 May 1995 | Tornado | F0 | — | — | — | — | County |
| 29 Apr 1985 | Tornado | F1 | $25K | — | — | — | County |
| 1 Nov 1984 | Tornado | F1 | $3K | — | — | — | County |
| 3 Mar 1984 | Tornado | F0 | $30 | — | — | — | County |
| 27 Jun 1983 | Tornado | F0 | $30 | — | — | — | County |
| 13 May 1983 | Tornado | F0 | $30 | — | — | — | County |
| 15 Mar 1982 | Tornado | F1 | $25K | — | — | — | County |
| 17 May 1981 | Tornado | F3 | $25K | — | — | — | County |
| 17 May 1981 | Tornado | F2 | $250K | — | — | — | County |
| 17 May 1981 | Tornado | F4 | $2.5M | — | — | — | County |
| 8 Jun 1974 | Tornado | F3 | $250K | — | — | — | County |
| 8 Jun 1974 | Tornado | F2 | $2.5M | — | — | — | County |
| 10 Mar 1974 | Tornado | F1 | $3K | — | — | — | County |
| 6 May 1973 | Tornado | F2 | $250K | — | — | — | County |
| 18 Jan 1973 | Tornado | F2 | $250K | — | — | 4 | County |
| 19 Apr 1971 | Tornado | F1 | $25K | — | — | 6 | County |
| 19 Apr 1968 | Tornado | F3 | $25K | — | — | — | County |
| 16 Jun 1967 | Tornado | F0 | — | — | — | — | County |
| 16 Apr 1967 | Tornado | F2 | $250K | — | — | 3 | County |
| 26 May 1965 | Tornado | F2 | $25K | — | — | — | County |
| 26 May 1963 | Tornado | F3 | $3K | — | — | 2 | County |
| 17 Feb 1961 | Tornado | F3 | $2.5M | — | — | 7 | County |
| 10 May 1959 | Tornado | F2 | $3K | — | — | — | County |
| 17 Nov 1958 | Tornado | F3 | $250K | — | — | 15 | County |
| 17 May 1958 | Tornado | F0 | $30 | — | — | — | County |
| 14 Sep 1957 | Tornado | F4 | $250K | — | — | — | County |
| 8 Jun 1956 | Tornado | F2 | $3K | — | — | — | County |
| 8 Jun 1956 | Tornado | F2 | $250 | — | — | — | County |
| 31 May 1956 | Tornado | F2 | $25K | — | — | — | County |
| 28 Apr 1956 | Tornado | F0 | $3K | — | — | — | County |
| 23 Apr 1955 | Tornado | F1 | — | — | — | — | County |
| 15 Jul 1954 | Tornado | F1 | $25K | — | — | — | County |
| 1 May 1954 | Tornado | F2 | $25K | — | — | — | County |
| 1 May 1954 | Tornado | F2 | $25K | — | — | — | County |
Questions and answers
How many tornado events has Seminole County had?
61 events in the NCEI Storm Events record between 1950 and 2026. Reporting of tornadoes became far more complete after 1996, so early decades undercount.
When was the last recorded tornado event in Seminole County?
3 Apr 2026 (Tornado, EF1). Records reach NCEI about 120 days after the month ends.
What was the most damaging tornado event recorded in Seminole County?
The tornado of 9 Jun 1995, with property damage estimated by NCEI at $5.0M.
How does Seminole County compare with Oklahoma for tornado?
9.6 events per 100 square miles against 7.4 statewide; the county holds 61 of the state's 5,054 recorded events.
Provenance
NOAA NCEI Storm Events Database, yearly details files through 30 Jun 2026, public domain. County-recorded events plus zone-recorded events whose forecast zone is named for the county (marked "Forecast zone"). Population and area from the US Census Bureau (2021). Built 1 Oct 2026. See the methodology, the Tornado hub and the county page.