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Tornado in Allen County, Kansas
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.
NCEI records 26 tornado events in Allen County, Kansas, between 1950 and 2026, spread over 18 years.
May is the busiest month, with 12 of the recorded events. The last 20 years account for 6 events against 8 in the 20 years before, a change that reflects reporting practice as much as weather.
The county holds 0.5% of the 4,965 tornado events recorded in Kansas; its 5.2 per 100 square miles compares with 6.1 statewide.
By rating: 13 at (E)F0, 8 at (E)F1, 4 at (E)F2, 0 at (E)F3, 0 at (E)F4, 0 at (E)F5 and 1 unrated. Tornadoes before 2007 carry the original Fujita rating.
Compared with Kansas
| Measure | Allen County | Kansas | US |
|---|---|---|---|
| Tornado events since 1950 | 26 | 4,965 | 81,281 |
| Per 100 square miles | 5.2 | 6.1 | 2.3 |
| Per 10,000 residents | 20.9 | 16.9 | 2.4 |
| Deaths recorded | 0 | 238 | 6,410 |
| Busiest month | May | May | May |
By year
Seasonality
0Feb
2Mar
6Apr
2May
12Jun
2Jul
1Aug
0Sep
0Oct
0Nov
1Dec
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 |
|---|---|---|---|---|---|---|---|
| 26 Apr 2024 | Tornado | EF unrated | — | — | — | — | County |
| 9 Jun 2009 | Tornado | EF0 | — | — | — | — | County |
| 1 May 2008 | Tornado | EF0 | — | — | — | — | County |
| 1 May 2008 | Tornado | EF0 | — | — | — | — | County |
| 28 Feb 2007 | Tornado | EF0 | — | — | — | — | County |
| 28 Feb 2007 | Tornado | EF0 | — | — | — | — | County |
| 30 Mar 2006 | Tornado | F0 | — | — | — | — | County |
| 27 Nov 2005 | Tornado | F0 | — | — | — | — | County |
| 8 May 2003 | Tornado | F0 | — | — | — | — | County |
| 8 May 2003 | Tornado | F1 | $150K | — | — | — | County |
| 6 May 2003 | Tornado | F0 | — | — | — | — | County |
| 26 Mar 1991 | Tornado | F2 | $2.5M | — | — | 1 | County |
| 25 May 1990 | Tornado | F0 | $25K | — | — | — | County |
| 25 May 1990 | Tornado | F0 | — | — | — | — | County |
| 27 May 1986 | Tornado | F1 | $25K | — | — | — | County |
| 27 May 1986 | Tornado | F1 | $25K | — | — | — | County |
| 15 Mar 1984 | Tornado | F0 | $30 | — | — | — | County |
| 15 Mar 1984 | Tornado | F0 | $30 | — | — | — | County |
| 15 Mar 1982 | Tornado | F2 | $2.5M | — | — | — | County |
| 4 May 1977 | Tornado | F1 | $3K | — | — | — | County |
| 11 Mar 1977 | Tornado | F1 | $250K | — | — | — | County |
| 4 Jun 1973 | Tornado | F2 | $25K | — | — | — | County |
| 31 May 1971 | Tornado | F1 | $25K | — | — | 3 | County |
| 20 Apr 1964 | Tornado | F2 | $25K | — | — | — | County |
| 10 May 1953 | Tornado | F1 | $250 | — | — | — | County |
| 18 Jul 1950 | Tornado | F1 | — | — | — | — | County |
Questions and answers
How many tornado events has Allen 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 Allen County?
26 Apr 2024 (Tornado, EF unrated). Records reach NCEI about 120 days after the month ends.
What was the most damaging tornado event recorded in Allen County?
The tornado of 15 Mar 1982, with property damage estimated by NCEI at $2.5M.
How does Allen County compare with Kansas for tornado?
5.2 events per 100 square miles against 6.1 statewide; the county holds 26 of the state's 4,965 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.