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Tornado in Ross County, Ohio

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

16 events · 0 deaths recorded · peak month May · county share of state 1.0%

2023-03-03: Tornado2021-10-16: Tornado2021-10-16: Tornado2021-10-16: Tornado2020-06-10: Tornado2009-08-20: Tornado2009-07-11: Tornado1999-10-13: Tornado1997-05-14: Tornado1983-05-02: Tornado1982-08-24: Tornado1973-12-26: Tornado1970-06-14: Tornado1962-05-26: Tornado1954-03-19: Tornado
Tornado event locations in and around Ross 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.

NCEI records 16 tornado events in Ross County, Ohio, between 1950 and 2026, spread over 13 years.

May is the busiest month, with 4 of the recorded events. The last 20 years account for 7 events against 3 in the 20 years before, a change that reflects reporting practice as much as weather.

The county holds 1% of the 1,565 tornado events recorded in Ohio; its 2.3 per 100 square miles compares with 3.8 statewide.

By rating: 7 at (E)F0, 7 at (E)F1, 2 at (E)F2, 0 at (E)F3, 0 at (E)F4, 0 at (E)F5. Tornadoes before 2007 carry the original Fujita rating.

Compared with Ohio

MeasureRoss CountyOhioUS
Tornado events since 1950161,56581,281
Per 100 square miles2.33.82.3
Per 10,000 residents2.11.32.4
Deaths recorded02006,410
Busiest monthMayJuneMay

By year

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

Seasonality

Jan
0
Feb
0
Mar
2
Apr
0
May
4
Jun
2
Jul
1
Aug
2
Sep
0
Oct
4
Nov
0
Dec
1
Tornado events in Ross County by month of occurrence, all years.

Magnitude distribution

EF0/F07
EF1/F17
EF2/F22
EF3/F30
EF4/F40
EF5/F50
Unrated0
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.

DateEvent typeMagnitudeProperty damageCrop damageDeathsInjuriesGeography
3 Mar 2023TornadoEF0$15K———County
16 Oct 2021TornadoEF0$30K——1County
16 Oct 2021TornadoEF0$100K———County
16 Oct 2021TornadoEF2$300K———County
10 Jun 2020TornadoEF0$50K———County
20 Aug 2009TornadoEF0—$3K——County
11 Jul 2009TornadoEF1$95K$15K——County
27 May 2004TornadoF0$30K———County
13 Oct 1999TornadoF0$10K———County
14 May 1997TornadoF1$25K———County
2 May 1983TornadoF1$250K——3County
24 Aug 1982TornadoF1$2.5M——5County
26 Dec 1973TornadoF1$250K———County
14 Jun 1970TornadoF1$25K———County
26 May 1962TornadoF2$25K———County
19 Mar 1954TornadoF1$250K———County

Questions and answers

How many tornado events has Ross 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 Ross County?

3 Mar 2023 (Tornado, EF0). Records reach NCEI about 120 days after the month ends.

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

The tornado of 24 Aug 1982, with property damage estimated by NCEI at $2.5M.

How does Ross County compare with Ohio for tornado?

2.3 events per 100 square miles against 3.8 statewide; the county holds 16 of the state's 1,565 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.