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Tornado in Clermont County, Ohio
26 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.
Clermont County, Ohio, has 26 tornado events in the NCEI record since 1950, with at least one in 20 different years.
April is the busiest month, with 5 of the recorded events. The last 20 years account for 12 events against 7 in the 20 years before, a change that reflects reporting practice as much as weather.
The county holds 1.7% of the 1,565 tornado events recorded in Ohio; its 5.7 per 100 square miles compares with 3.8 statewide.
NCEI attributes 4 deaths in the county to tornadoes.
By rating: 11 at (E)F0, 9 at (E)F1, 2 at (E)F2, 3 at (E)F3, 1 at (E)F4, 0 at (E)F5. Tornadoes before 2007 carry the original Fujita rating.
Compared with Ohio
| Measure | Clermont County | Ohio | US |
|---|---|---|---|
| Tornado events since 1950 | 26 | 1,565 | 81,281 |
| Per 100 square miles | 5.7 | 3.8 | 2.3 |
| Per 10,000 residents | 1.2 | 1.3 | 2.4 |
| Deaths recorded | 4 | 200 | 6,410 |
| Busiest month | April | June | May |
By year
Seasonality
0Feb
1Mar
4Apr
5May
3Jun
4Jul
5Aug
3Sep
1Oct
0Nov
0Dec
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 26 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 Mar 2023 | Tornado | EF0 | $100K | — | — | — | County |
| 6 Jul 2022 | Tornado | EF1 | $100K | — | — | — | County |
| 6 Jul 2022 | Tornado | EF2 | $3.0M | — | — | 2 | County |
| 8 Apr 2020 | Tornado | EF0 | $25K | — | — | — | County |
| 8 Apr 2020 | Tornado | EF0 | $25K | — | — | — | County |
| 25 Feb 2018 | Tornado | EF1 | $85K | — | — | — | County |
| 26 Mar 2017 | Tornado | EF1 | $30K | — | — | — | County |
| 1 Mar 2017 | Tornado | EF1 | $400K | — | — | — | County |
| 7 Sep 2012 | Tornado | EF0 | $40K | — | — | — | County |
| 2 Mar 2012 | Tornado | EF3 | $5.7M | — | 3 | 13 | County |
| 23 May 2011 | Tornado | EF0 | $30K | — | — | — | County |
| 30 May 2009 | Tornado | EF0 | $1K | — | — | — | County |
| 11 Jul 2006 | Tornado | F1 | $100K | — | — | — | County |
| 11 Jul 2006 | Tornado | F0 | — | $2K | — | — | County |
| 24 Aug 1999 | Tornado | F0 | $25K | — | — | — | County |
| 2 Jul 1997 | Tornado | F3 | $2.0M | — | — | — | County |
| 8 May 1996 | Tornado | F0 | $30K | — | — | — | County |
| 5 Aug 1995 | Tornado | F1 | $30K | — | — | — | County |
| 2 Jun 1990 | Tornado | F2 | $250K | — | — | — | County |
| 8 Apr 1980 | Tornado | F1 | $250K | — | — | 2 | County |
| 12 Jun 1978 | Tornado | F0 | $25K | — | — | — | County |
| 12 Jun 1978 | Tornado | F1 | $25K | — | — | — | County |
| 24 Jun 1976 | Tornado | F0 | $250K | — | — | — | County |
| 9 Aug 1969 | Tornado | F3 | $250K | — | — | 7 | County |
| 23 Apr 1968 | Tornado | F4 | $2.5M | — | 1 | 29 | County |
| 15 Apr 1953 | Tornado | F1 | $25K | — | — | — | County |
Questions and answers
How many tornado events has Clermont County had?
26 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 Clermont 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 Clermont County?
The tornado of 2 Mar 2012, with property damage estimated by NCEI at $5.7M; 3 deaths recorded.
How does Clermont County compare with Ohio for tornado?
5.7 events per 100 square miles against 3.8 statewide; the county holds 26 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.