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Tornado in Miami County, Ohio
35 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 35 tornado events in Miami County, Ohio, between 1950 and 2026, spread over 21 years.
May is the busiest month, with 11 of the recorded events. The last 20 years account for 19 events against 8 in the 20 years before, a change that reflects reporting practice as much as weather.
The county holds 2.2% of the 1,565 tornado events recorded in Ohio; its 8.6 per 100 square miles compares with 3.8 statewide.
By rating: 18 at (E)F0, 12 at (E)F1, 4 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 Ohio
| Measure | Miami County | Ohio | US |
|---|---|---|---|
| Tornado events since 1950 | 35 | 1,565 | 81,281 |
| Per 100 square miles | 8.6 | 3.8 | 2.3 |
| Per 10,000 residents | 3.2 | 1.3 | 2.4 |
| Deaths recorded | 0 | 200 | 6,410 |
| Busiest month | May | June | May |
By year
Seasonality
2Feb
0Mar
3Apr
4May
11Jun
9Jul
5Aug
0Sep
0Oct
1Nov
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 35 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 |
|---|---|---|---|---|---|---|---|
| 14 Mar 2024 | Tornado | EF2 | $750K | — | — | — | County |
| 11 Jun 2023 | Tornado | EF0 | $30K | — | — | — | County |
| 1 Apr 2023 | Tornado | EF0 | $50K | — | — | — | County |
| 1 Apr 2023 | Tornado | EF0 | $200K | — | — | — | County |
| 23 Jul 2022 | Tornado | EF1 | $100K | — | — | — | County |
| 8 Jun 2022 | Tornado | EF2 | $1.0M | — | — | — | County |
| 9 Jun 2020 | Tornado | EF0 | $10K | — | — | — | County |
| 11 Jan 2020 | Tornado | EF0 | $50K | — | — | — | County |
| 11 Jan 2020 | Tornado | EF0 | $500K | — | — | — | County |
| 27 May 2019 | Tornado | EF0 | $50K | — | — | — | County |
| 27 May 2019 | Tornado | EF3 | $10M | — | — | 1 | County |
| 27 May 2019 | Tornado | EF0 | $10K | — | — | — | County |
| 27 May 2019 | Tornado | EF0 | $20K | — | — | — | County |
| 30 May 2018 | Tornado | EF0 | $5K | — | — | — | County |
| 24 May 2017 | Tornado | EF1 | $5K | — | — | — | County |
| 24 May 2017 | Tornado | EF1 | $50K | — | — | — | County |
| 14 Mar 2016 | Tornado | EF0 | $75K | — | — | — | County |
| 31 Oct 2013 | Tornado | EF0 | $70K | — | — | — | County |
| 14 May 2011 | Tornado | EF0 | — | — | — | — | County |
| 3 Jul 2004 | Tornado | F0 | $25K | — | — | — | County |
| 4 Apr 2003 | Tornado | F0 | — | $3K | — | — | County |
| 9 Jul 1999 | Tornado | F0 | $10K | — | — | — | County |
| 9 Apr 1999 | Tornado | F1 | $250K | — | — | — | County |
| 18 Jun 1992 | Tornado | F0 | — | — | — | — | County |
| 18 Jun 1992 | Tornado | F1 | $250K | — | — | — | County |
| 3 Jun 1989 | Tornado | F1 | $250K | — | — | — | County |
| 3 Jun 1989 | Tornado | F1 | $2.5M | — | — | — | County |
| 20 Jun 1984 | Tornado | F1 | $25K | — | — | — | County |
| 22 May 1982 | Tornado | F1 | $25K | — | — | — | County |
| 22 May 1982 | Tornado | F1 | $25K | — | — | 1 | County |
| 2 Jul 1978 | Tornado | F0 | $25K | — | — | — | County |
| 28 Jul 1961 | Tornado | F1 | $25K | — | — | — | County |
| 8 Jun 1961 | Tornado | F2 | $250K | — | — | — | County |
| 22 May 1959 | Tornado | F2 | $3K | — | — | — | County |
| 1 Mar 1955 | Tornado | F1 | $250K | — | — | 1 | County |
Questions and answers
How many tornado events has Miami County had?
35 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 Miami County?
14 Mar 2024 (Tornado, EF2). Records reach NCEI about 120 days after the month ends.
What was the most damaging tornado event recorded in Miami County?
The tornado of 27 May 2019, with property damage estimated by NCEI at $10M.
How does Miami County compare with Ohio for tornado?
8.6 events per 100 square miles against 3.8 statewide; the county holds 35 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.