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Tornado in Union County, New Jersey
14 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.
Union County, New Jersey, has 14 tornado events in the NCEI record since 1950, with at least one in 12 different years.
July is the busiest month, with 5 of the recorded events. The last 20 years account for 2 events against 9 in the 20 years before, a change that reflects reporting practice as much as weather.
The county holds 6.8% of the 207 tornado events recorded in New Jersey; its 13.6 per 100 square miles compares with 2.8 statewide.
By rating: 8 at (E)F0, 6 at (E)F1, 0 at (E)F2, 0 at (E)F3, 0 at (E)F4, 0 at (E)F5. Tornadoes before 2007 carry the original Fujita rating.
Compared with New Jersey
| Measure | Union County | New Jersey | US |
|---|---|---|---|
| Tornado events since 1950 | 14 | 207 | 81,281 |
| Per 100 square miles | 13.6 | 2.8 | 2.3 |
| Per 10,000 residents | 0.2 | 0.2 | 2.4 |
| Deaths recorded | 0 | 1 | 6,410 |
| Busiest month | July | July | May |
By year
Seasonality
0Feb
0Mar
0Apr
1May
1Jun
1Jul
5Aug
1Sep
2Oct
2Nov
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 14 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 |
|---|---|---|---|---|---|---|---|
| 7 Aug 2019 | Tornado | EF0 | $117K | — | — | — | County |
| 1 Jul 2013 | Tornado | EF0 | $20K | — | — | — | County |
| 7 Sep 1998 | Tornado | F1 | $550K | — | — | — | County |
| 7 Sep 1998 | Tornado | F0 | $1.5M | — | — | — | County |
| 26 Jul 1994 | Tornado | F1 | $5.0M | — | — | — | County |
| 15 Jul 1992 | Tornado | F0 | — | — | — | — | County |
| 18 Oct 1990 | Tornado | F0 | $2.5M | — | — | 3 | County |
| 16 Nov 1989 | Tornado | F0 | — | — | — | — | County |
| 23 May 1988 | Tornado | F0 | — | — | — | — | County |
| 26 Jul 1987 | Tornado | F1 | — | — | — | — | County |
| 14 Jul 1987 | Tornado | F0 | — | — | — | — | County |
| 5 Oct 1985 | Tornado | F1 | — | — | — | — | County |
| 29 Jun 1973 | Tornado | F1 | $3K | — | — | — | County |
| 5 Apr 1952 | Tornado | F1 | $3K | — | — | — | County |
Questions and answers
How many tornado events has Union County had?
14 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 Union County?
7 Aug 2019 (Tornado, EF0). Records reach NCEI about 120 days after the month ends.
What was the most damaging tornado event recorded in Union County?
The tornado of 26 Jul 1994, with property damage estimated by NCEI at $5.0M.
How does Union County compare with New Jersey for tornado?
13.6 events per 100 square miles against 2.8 statewide; the county holds 14 of the state's 207 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.