County Hazards

States › South Carolina › Lancaster County › Tornado

Tornado in Lancaster County, South Carolina

13 tornadoes events in the NCEI Storm Events record, 1950 to 2026. Event types counted: Tornado.

13 events · 0 deaths recorded · peak month March · county share of state 1.0%

2020-05-05: Tornado2017-05-24: Tornado2010-07-12: Tornado2010-07-12: Tornado2008-03-04: Tornado2004-09-07: Tornado1989-09-22: Tornado1989-06-16: Tornado1984-03-28: Tornado1977-03-04: Tornado1969-10-01: Tornado1957-04-08: Tornado1957-04-05: Tornado
Tornado event locations in and around Lancaster County. Dots: Tornado event locations in the kept record. Boundaries: US Census Bureau.

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.

Lancaster County, South Carolina, has 13 tornado events in the NCEI record since 1950, with at least one in 10 different years.

March is the busiest month, with 3 of the recorded events. The last 20 years account for 5 events against 3 in the 20 years before, a change that reflects reporting practice as much as weather.

The county holds 1% of the 1,319 tornado events recorded in South Carolina; its 2.4 per 100 square miles compares with 4.4 statewide.

By rating: 4 at (E)F0, 5 at (E)F1, 1 at (E)F2, 0 at (E)F3, 2 at (E)F4, 0 at (E)F5 and 1 unrated. Tornadoes before 2007 carry the original Fujita rating.

Compared with South Carolina

MeasureLancaster CountySouth CarolinaUS
Tornado events since 1950131,31981,281
Per 100 square miles2.44.42.3
Per 10,000 residents1.32.52.4
Deaths recorded0676,410
Busiest monthMarchAprilMay

By year

195019882026
Tornado events recorded in Lancaster County per year, 1950 to 2026 (2026 is partial).

Seasonality

Jan
0
Feb
0
Mar
3
Apr
2
May
2
Jun
1
Jul
2
Aug
0
Sep
2
Oct
1
Nov
0
Dec
0
Tornado events in Lancaster County by month of occurrence, all years.

Magnitude distribution

EF0/F04
EF1/F15
EF2/F21
EF3/F30
EF4/F42
EF5/F50
Unrated1
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 13 events, most recent first. Magnitude is hail size, tornado rating or wind speed as recorded.

DateEvent typeMagnitudeProperty damageCrop damageDeathsInjuriesGeography
5 May 2020TornadoEF2————County
24 May 2017TornadoEF0————County
12 Jul 2010TornadoEF0$8K———County
12 Jul 2010TornadoEF0$65K———County
4 Mar 2008TornadoEF0————County
7 Sep 2004TornadoF1————County
22 Sep 1989TornadoF1$3K———County
16 Jun 1989TornadoF1$2.5M——1County
28 Mar 1984TornadoF4$25M——5County
4 Mar 1977TornadoF1$25K———County
1 Oct 1969Tornado—$250———County
8 Apr 1957TornadoF4$250K———County
5 Apr 1957TornadoF1$250K———County

Questions and answers

How many tornado events has Lancaster County had?

13 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 Lancaster County?

5 May 2020 (Tornado, EF2). Records reach NCEI about 120 days after the month ends.

What was the most damaging tornado event recorded in Lancaster County?

The tornado of 28 Mar 1984, with property damage estimated by NCEI at $25M.

How does Lancaster County compare with South Carolina for tornado?

2.4 events per 100 square miles against 4.4 statewide; the county holds 13 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.