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Tornado in McCormick County, South Carolina
16 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 16 tornado events in McCormick County, South Carolina, between 1950 and 2026, spread over 12 years.
March is the busiest month, with 4 of the recorded events. The last 20 years account for 5 events against 8 in the 20 years before, a change that reflects reporting practice as much as weather.
The county holds 1.2% of the 1,319 tornado events recorded in South Carolina; its 4.5 per 100 square miles compares with 4.4 statewide.
By rating: 6 at (E)F0, 9 at (E)F1, 0 at (E)F2, 1 at (E)F3, 0 at (E)F4, 0 at (E)F5. Tornadoes before 2007 carry the original Fujita rating.
Compared with South Carolina
| Measure | McCormick County | South Carolina | US |
|---|---|---|---|
| Tornado events since 1950 | 16 | 1,319 | 81,281 |
| Per 100 square miles | 4.5 | 4.4 | 2.3 |
| Per 10,000 residents | 16.4 | 2.5 | 2.4 |
| Deaths recorded | 0 | 67 | 6,410 |
| Busiest month | March | April | May |
By year
Seasonality
3Feb
1Mar
4Apr
0May
3Jun
2Jul
0Aug
0Sep
0Oct
0Nov
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 16 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 |
|---|---|---|---|---|---|---|---|
| 9 Jun 2025 | Tornado | EF1 | — | — | — | — | County |
| 28 Mar 2010 | Tornado | EF1 | — | $3K | — | — | County |
| 15 Mar 2008 | Tornado | EF1 | — | — | — | — | County |
| 15 Mar 2008 | Tornado | EF1 | — | — | — | — | County |
| 13 Feb 2007 | Tornado | EF1 | $4K | — | — | — | County |
| 13 Jan 2005 | Tornado | F0 | — | — | — | — | County |
| 6 May 2003 | Tornado | F0 | — | — | — | — | County |
| 11 Nov 2002 | Tornado | F0 | — | — | — | 2 | County |
| 11 Nov 2002 | Tornado | F0 | — | — | — | — | County |
| 7 May 1998 | Tornado | F0 | — | — | — | — | County |
| 7 May 1998 | Tornado | F0 | — | — | — | — | County |
| 22 Nov 1992 | Tornado | F3 | $250K | — | — | — | County |
| 21 Jun 1992 | Tornado | F1 | — | — | — | — | County |
| 21 Mar 1974 | Tornado | F1 | $250K | — | — | 1 | County |
| 10 Jan 1972 | Tornado | F1 | $3K | — | — | — | County |
| 6 Jan 1962 | Tornado | F1 | $3K | — | — | 1 | County |
Questions and answers
How many tornado events has McCormick County had?
16 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 McCormick County?
9 Jun 2025 (Tornado, EF1). Records reach NCEI about 120 days after the month ends.
What was the most damaging tornado event recorded in McCormick County?
The tornado of 21 Mar 1974, with property damage estimated by NCEI at $250K.
How does McCormick County compare with South Carolina for tornado?
4.5 events per 100 square miles against 4.4 statewide; the county holds 16 of the state's 1,319 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.