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Tornado in Delaware County, Indiana
25 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 25 tornado events in Delaware County, Indiana, between 1950 and 2026, spread over 20 years.
June is the busiest month, with 6 of the recorded events. The last 20 years account for 8 events against 5 in the 20 years before, a change that reflects reporting practice as much as weather.
The county holds 1.2% of the 2,103 tornado events recorded in Indiana; its 6.4 per 100 square miles compares with 5.9 statewide.
By rating: 5 at (E)F0, 9 at (E)F1, 7 at (E)F2, 2 at (E)F3, 1 at (E)F4, 0 at (E)F5 and 1 unrated. Tornadoes before 2007 carry the original Fujita rating.
Compared with Indiana
| Measure | Delaware County | Indiana | US |
|---|---|---|---|
| Tornado events since 1950 | 25 | 2,103 | 81,281 |
| Per 100 square miles | 6.4 | 5.9 | 2.3 |
| Per 10,000 residents | 2.2 | 3.1 | 2.4 |
| Deaths recorded | 0 | 276 | 6,410 |
| Busiest month | June | June | May |
By year
Seasonality
0Feb
2Mar
1Apr
5May
4Jun
6Jul
0Aug
1Sep
3Oct
0Nov
3Dec
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 25 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 | $200K | — | — | — | County |
| 22 Sep 2024 | Tornado | EF0 | $50K | — | — | — | County |
| 14 Mar 2024 | Tornado | EF2 | $4.0M | — | — | — | County |
| 5 Nov 2017 | Tornado | EF2 | $90K | — | — | — | County |
| 5 Nov 2017 | Tornado | EF1 | $20K | — | — | — | County |
| 4 Jun 2016 | Tornado | EF0 | $1K | — | — | — | County |
| 6 Jun 2010 | Tornado | EF0 | $3K | — | — | — | County |
| 11 Feb 2009 | Tornado | EF1 | $13K | — | — | — | County |
| 1 Aug 2003 | Tornado | F0 | $20K | — | — | — | County |
| 1 May 2003 | Tornado | F0 | — | — | — | — | County |
| 20 Sep 2002 | Tornado | F2 | $3.0M | $15K | — | — | County |
| 15 Feb 1992 | Tornado | F1 | $250K | — | — | — | County |
| 3 Jun 1989 | Tornado | F1 | $250K | — | — | — | County |
| 3 Apr 1974 | Tornado | F4 | — | — | — | — | County |
| 26 Jun 1973 | Tornado | F1 | $250K | — | — | — | County |
| 14 Apr 1968 | Tornado | F2 | $3K | — | — | — | County |
| 26 Nov 1965 | Tornado | F3 | $250K | — | — | — | County |
| 14 Apr 1964 | Tornado | F1 | $3K | — | — | — | County |
| 10 Jun 1963 | Tornado | F1 | $3K | — | — | — | County |
| 27 May 1963 | Tornado | F1 | $25K | — | — | — | County |
| 24 Sep 1961 | Tornado | F3 | $250K | — | — | 1 | County |
| 24 May 1961 | Tornado | — | $30 | — | — | — | County |
| 19 May 1960 | Tornado | F2 | $25K | — | — | — | County |
| 5 Apr 1957 | Tornado | F2 | $25K | — | — | — | County |
| 17 Jun 1954 | Tornado | F2 | — | — | — | — | County |
Questions and answers
How many tornado events has Delaware County had?
25 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 Delaware 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 Delaware County?
The tornado of 14 Mar 2024, with property damage estimated by NCEI at $4.0M.
How does Delaware County compare with Indiana for tornado?
6.4 events per 100 square miles against 5.9 statewide; the county holds 25 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.