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Tornado in Harrison County, Mississippi
91 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 91 tornado events in Harrison County, Mississippi, between 1950 and 2026, spread over 38 years.
August is the busiest month, with 16 of the recorded events. The last 20 years account for 38 events against 17 in the 20 years before, a change that reflects reporting practice as much as weather.
The county holds 2.6% of the 3,532 tornado events recorded in Mississippi; its 15.9 per 100 square miles compares with 7.5 statewide.
NCEI attributes 6 deaths in the county to tornadoes.
By rating: 40 at (E)F0, 30 at (E)F1, 12 at (E)F2, 5 at (E)F3, 0 at (E)F4, 0 at (E)F5 and 4 unrated. Tornadoes before 2007 carry the original Fujita rating.
Compared with Mississippi
| Measure | Harrison County | Mississippi | US |
|---|---|---|---|
| Tornado events since 1950 | 91 | 3,532 | 81,281 |
| Per 100 square miles | 15.9 | 7.5 | 2.3 |
| Per 10,000 residents | 4.3 | 12.0 | 2.4 |
| Deaths recorded | 6 | 537 | 6,410 |
| Busiest month | August | April | May |
By year
Seasonality
1Feb
4Mar
11Apr
12May
14Jun
10Jul
1Aug
16Sep
11Oct
5Nov
4Dec
2
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 91 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 |
|---|---|---|---|---|---|---|---|
| 18 Jun 2026 | Tornado | EF1 | $20K | — | — | — | County |
| 18 Jun 2026 | Tornado | EF0 | — | — | — | — | County |
| 25 Apr 2026 | Tornado | EF1 | $25K | — | — | — | County |
| 25 Apr 2026 | Tornado | EF1 | $25K | — | — | — | County |
| 10 Apr 2024 | Tornado | EF1 | — | — | — | — | County |
| 10 Apr 2024 | Tornado | EF0 | — | — | — | — | County |
| 14 Dec 2022 | Tornado | EF1 | — | — | — | — | County |
| 29 Oct 2022 | Tornado | EF0 | $2K | — | — | — | County |
| 30 Aug 2021 | Tornado | EF0 | $50K | — | — | — | County |
| 30 Aug 2021 | Tornado | EF0 | $50K | — | — | — | County |
| 30 Aug 2021 | Tornado | EF0 | $50K | — | — | — | County |
| 30 Aug 2021 | Tornado | EF0 | $100K | — | — | — | County |
| 30 Aug 2021 | Tornado | EF0 | $100K | — | — | — | County |
| 30 Aug 2021 | Tornado | EF0 | $150K | — | — | — | County |
| 29 Aug 2021 | Tornado | EF1 | $50K | — | — | — | County |
| 29 Aug 2021 | Tornado | EF0 | $100K | — | — | — | County |
| 29 Aug 2021 | Tornado | EF0 | $100K | — | — | — | County |
| 19 Jun 2021 | Tornado | EF0 | $50K | — | — | — | County |
| 18 Jun 2021 | Tornado | EF0 | $50K | — | — | — | County |
| 28 Oct 2020 | Tornado | EF0 | — | — | — | — | County |
| 24 Jun 2020 | Tornado | EF0 | $20K | — | — | — | County |
| 24 Jun 2020 | Tornado | EF1 | $20K | — | — | — | County |
| 11 May 2019 | Tornado | EF0 | — | — | — | — | County |
| 11 May 2019 | Tornado | EF0 | — | — | — | — | County |
| 1 Nov 2018 | Tornado | EF1 | — | — | — | — | County |
| 14 Apr 2018 | Tornado | EF0 | — | — | — | — | County |
| 30 Aug 2017 | Tornado | EF0 | — | — | — | — | County |
| 21 Jun 2017 | Tornado | EF0 | — | — | — | — | County |
| 13 Dec 2016 | Tornado | EF0 | — | — | — | — | County |
| 29 Aug 2012 | Tornado | EF1 | $25K | — | — | — | County |
| 22 Mar 2012 | Tornado | EF0 | $10K | — | — | — | County |
| 21 Mar 2012 | Tornado | EF0 | $5K | — | — | — | County |
| 21 Mar 2012 | Tornado | EF1 | $15K | — | — | — | County |
| 19 Sep 2011 | Tornado | EF0 | — | — | — | — | County |
| 4 Sep 2011 | Tornado | EF1 | $20K | — | — | — | County |
| 9 Mar 2011 | Tornado | EF1 | $20K | — | — | — | County |
| 9 Mar 2011 | Tornado | EF1 | $100K | — | — | — | County |
| 12 Feb 2008 | Tornado | EF0 | — | — | — | — | County |
| 24 Nov 2004 | Tornado | F2 | $3.0M | — | — | — | County |
| 3 Oct 2002 | Tornado | F0 | $15K | — | — | — | County |
| 11 Jun 2001 | Tornado | F1 | $100K | — | — | — | County |
| 12 Mar 2001 | Tornado | F0 | $2K | — | — | — | County |
| 12 Mar 2001 | Tornado | F0 | — | — | — | — | County |
| 2 Sep 2000 | Tornado | F0 | $30K | — | — | — | County |
| 2 Sep 2000 | Tornado | F0 | $500 | — | — | — | County |
| 22 Jul 2000 | Tornado | F0 | — | — | — | — | County |
| 21 Nov 1997 | Tornado | F1 | $50K | — | — | — | County |
| 14 Apr 1996 | Tornado | F0 | — | — | — | — | County |
| 13 Apr 1996 | Tornado | F0 | $1K | — | — | — | County |
| 12 Apr 1994 | Tornado | F2 | $5.0M | — | 2 | 15 | County |
| 10 May 1988 | Tornado | F1 | $25K | — | — | — | County |
| 3 Mar 1988 | Tornado | F2 | $250K | — | — | — | County |
| 29 Mar 1987 | Tornado | F0 | $25K | — | — | — | County |
| 29 Mar 1987 | Tornado | F0 | $25K | — | — | — | County |
| 29 Mar 1987 | Tornado | F1 | $25K | — | — | — | County |
| 23 Sep 1985 | Tornado | F0 | $25K | — | — | — | County |
| 23 Sep 1985 | Tornado | F2 | $250K | — | — | — | County |
| 23 Sep 1985 | Tornado | F1 | $250K | — | — | — | County |
| 2 Sep 1985 | Tornado | F1 | — | — | — | — | County |
| 2 Sep 1985 | Tornado | F1 | — | — | — | — | County |
| 20 Apr 1982 | Tornado | F2 | $250K | — | — | — | County |
| 19 May 1980 | Tornado | F3 | $2.5M | — | — | 4 | County |
| 19 May 1980 | Tornado | F2 | $250K | — | — | — | County |
| 16 May 1980 | Tornado | F3 | $250K | — | — | — | County |
| 13 Apr 1980 | Tornado | F3 | $25M | — | — | 25 | County |
| 5 Sep 1977 | Tornado | F2 | $250K | — | — | — | County |
| 15 Oct 1975 | Tornado | F0 | — | — | — | — | County |
| 30 Aug 1975 | Tornado | F0 | $30 | — | — | — | County |
| 10 Jan 1975 | Tornado | F1 | $250 | — | — | — | County |
| 16 Aug 1974 | Tornado | F1 | $3K | — | — | — | County |
| 7 May 1972 | Tornado | F1 | — | — | — | — | County |
| 7 May 1972 | Tornado | F1 | $3K | — | — | 2 | County |
| 7 May 1972 | Tornado | F1 | — | — | — | — | County |
| 7 May 1972 | Tornado | F1 | $3K | — | — | — | County |
| 7 May 1972 | Tornado | F2 | $25K | — | — | — | County |
| 7 May 1972 | Tornado | F2 | $25K | — | — | — | County |
| 7 May 1972 | Tornado | F2 | $25K | — | — | — | County |
| 16 Sep 1971 | Tornado | F1 | — | — | — | — | County |
| 27 Aug 1971 | Tornado | F1 | $25K | — | — | — | County |
| 1 Feb 1970 | Tornado | F0 | $250K | — | — | 10 | County |
| 1 Feb 1970 | Tornado | F2 | — | — | — | 3 | County |
| 17 May 1969 | Tornado | — | — | — | — | — | County |
| 3 Nov 1968 | Tornado | F3 | — | — | — | 5 | County |
| 12 Jun 1968 | Tornado | — | — | — | — | — | County |
| 11 Jun 1968 | Tornado | F1 | — | — | — | — | County |
| 30 Oct 1967 | Tornado | F3 | $25M | — | 4 | 17 | County |
| 27 Apr 1966 | Tornado | F1 | $25K | — | — | — | County |
| 6 Apr 1963 | Tornado | — | $25K | — | — | — | County |
| 26 Feb 1958 | Tornado | F2 | $25K | — | — | — | County |
| 10 Aug 1957 | Tornado | F0 | $30 | — | — | — | County |
| 9 Aug 1953 | Tornado | — | $3K | — | — | — | County |
Questions and answers
How many tornado events has Harrison County had?
91 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 Harrison County?
18 Jun 2026 (Tornado, EF0). Records reach NCEI about 120 days after the month ends.
What was the most damaging tornado event recorded in Harrison County?
The tornado of 30 Oct 1967, with property damage estimated by NCEI at $25M; 4 deaths recorded.
How does Harrison County compare with Mississippi for tornado?
15.9 events per 100 square miles against 7.5 statewide; the county holds 91 of the state's 3,532 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 30 Sep 2026. See the methodology, the Tornado hub and the county page.