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Tornado in Hamilton County, Indiana
30 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.
Hamilton County, Indiana, has 30 tornado events in the NCEI record since 1950, with at least one in 24 different years.
June is the busiest month, with 6 of the recorded events. The last 20 years account for 6 events against 11 in the 20 years before, a change that reflects reporting practice as much as weather.
The county holds 1.4% of the 2,103 tornado events recorded in Indiana; its 7.6 per 100 square miles compares with 5.9 statewide.
NCEI attributes 6 deaths in the county to tornadoes.
By rating: 11 at (E)F0, 13 at (E)F1, 4 at (E)F2, 1 at (E)F3, 1 at (E)F4, 0 at (E)F5. Tornadoes before 2007 carry the original Fujita rating.
Compared with Indiana
| Measure | Hamilton County | Indiana | US |
|---|---|---|---|
| Tornado events since 1950 | 30 | 2,103 | 81,281 |
| Per 100 square miles | 7.6 | 5.9 | 2.3 |
| Per 10,000 residents | 0.8 | 3.1 | 2.4 |
| Deaths recorded | 6 | 276 | 6,410 |
| Busiest month | June | June | May |
By year
Seasonality
0Feb
0Mar
3Apr
4May
2Jun
6Jul
3Aug
1Sep
4Oct
2Nov
4Dec
1
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 30 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 |
|---|---|---|---|---|---|---|---|
| 2 Apr 2025 | Tornado | EF1 | $600K | — | — | — | County |
| 29 Jul 2024 | Tornado | EF0 | $15K | — | — | — | County |
| 15 Aug 2016 | Tornado | EF1 | $10K | $2K | — | — | County |
| 23 Dec 2015 | Tornado | EF1 | $50K | — | — | — | County |
| 17 Nov 2013 | Tornado | EF1 | $40K | — | — | — | County |
| 11 Apr 2007 | Tornado | EF2 | $150K | — | — | — | County |
| 30 May 2004 | Tornado | F0 | $150K | — | — | — | County |
| 26 Sep 2003 | Tornado | F1 | $300K | — | — | — | County |
| 20 Sep 2002 | Tornado | F0 | $25K | $5K | — | — | County |
| 2 Jul 1997 | Tornado | F0 | $10K | $1K | — | — | County |
| 23 Jun 1996 | Tornado | F1 | $40K | — | — | — | County |
| 22 Nov 1992 | Tornado | F2 | $250K | — | — | — | County |
| 22 Nov 1992 | Tornado | F1 | $3K | — | — | — | County |
| 3 Oct 1990 | Tornado | F1 | $250K | — | — | — | County |
| 2 Jun 1990 | Tornado | F0 | — | — | — | — | County |
| 12 Sep 1988 | Tornado | F1 | $250K | — | — | — | County |
| 25 Mar 1988 | Tornado | F1 | $25K | — | — | — | County |
| 1 Jun 1980 | Tornado | F0 | $25K | — | — | — | County |
| 1 Oct 1979 | Tornado | F0 | — | — | — | — | County |
| 24 Jul 1979 | Tornado | F0 | — | — | — | — | County |
| 4 Mar 1977 | Tornado | F0 | $250 | — | — | — | County |
| 20 Mar 1976 | Tornado | F0 | $250K | — | — | — | County |
| 18 Apr 1975 | Tornado | F1 | $25K | — | — | 1 | County |
| 10 Jun 1974 | Tornado | F1 | $25K | — | — | — | County |
| 7 Jun 1974 | Tornado | F2 | $250K | — | — | — | County |
| 26 Jun 1973 | Tornado | F1 | $250K | — | — | — | County |
| 10 May 1969 | Tornado | F0 | $3K | — | — | — | County |
| 26 Nov 1965 | Tornado | F3 | $250K | — | — | 5 | County |
| 11 Apr 1965 | Tornado | F4 | $25M | — | 6 | 30 | County |
| 13 Sep 1962 | Tornado | F2 | $25K | — | — | — | County |
Questions and answers
How many tornado events has Hamilton County had?
30 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 Hamilton County?
2 Apr 2025 (Tornado, EF1). Records reach NCEI about 120 days after the month ends.
What was the most damaging tornado event recorded in Hamilton County?
The tornado of 11 Apr 1965, with property damage estimated by NCEI at $25M; 6 deaths recorded.
How does Hamilton County compare with Indiana for tornado?
7.6 events per 100 square miles against 5.9 statewide; the county holds 30 of the state's 2,103 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.