County Hazards

States › New York › Suffolk County › Tornado

Tornado in Suffolk County, New York

32 tornadoes events in the NCEI Storm Events record, 1950 to 2026. Event types counted: Tornado.

32 events · 0 deaths recorded · peak month August · county share of state 5.7%

2022-09-25: Tornado2021-11-13: Tornado2021-11-13: Tornado2021-11-13: Tornado2021-11-13: Tornado2021-11-13: Tornado2019-09-02: Tornado2018-10-29: Tornado2018-10-02: Tornado2016-08-10: Tornado2012-08-10: Tornado2011-08-28: Tornado2007-07-18: Tornado2006-08-25: Tornado2001-07-01: Tornado2001-07-01: Tornado2000-09-15: Tornado1999-08-08: Tornado1998-06-30: Tornado1998-06-30: Tornado1998-06-30: Tornado1997-06-26: Tornado1991-08-19: Tornado1991-08-19: Tornado1989-07-10: Tornado1985-08-30: Tornado1982-08-25: Tornado1981-08-05: Tornado1979-08-10: Tornado1973-09-18: Tornado1958-09-08: Tornado
Tornado event locations in and around Suffolk County. Dots: Tornado event locations in the kept record. Boundaries: US Census Bureau.

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.

Suffolk County, New York, has 32 tornado events in the NCEI record since 1950, with at least one in 23 different years.

August is the busiest month, with 11 of the recorded events. The last 20 years account for 13 events against 13 in the 20 years before, a change that reflects reporting practice as much as weather.

The county holds 5.7% of the 563 tornado events recorded in New York; its 3.5 per 100 square miles compares with 1.2 statewide.

By rating: 18 at (E)F0, 12 at (E)F1, 2 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 York

MeasureSuffolk CountyNew YorkUS
Tornado events since 19503256381,281
Per 100 square miles3.51.22.3
Per 10,000 residents0.20.32.4
Deaths recorded0326,410
Busiest monthAugustJulyMay

By year

195019882026
Tornado events recorded in Suffolk County per year, 1950 to 2026 (2026 is partial).

Seasonality

Jan
0
Feb
0
Mar
0
Apr
0
May
0
Jun
4
Jul
5
Aug
11
Sep
5
Oct
2
Nov
5
Dec
0
Tornado events in Suffolk County by month of occurrence, all years.

Magnitude distribution

EF0/F018
EF1/F112
EF2/F22
EF3/F30
EF4/F40
EF5/F50
Unrated0
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 32 events, most recent first. Magnitude is hail size, tornado rating or wind speed as recorded.

DateEvent typeMagnitudeProperty damageCrop damageDeathsInjuriesGeography
25 Sep 2022TornadoEF0$100K———County
13 Nov 2021TornadoEF0$100K———County
13 Nov 2021TornadoEF0$300K———County
13 Nov 2021TornadoEF0$300K———County
13 Nov 2021TornadoEF1$900K———County
13 Nov 2021TornadoEF0$500K———County
2 Sep 2019TornadoEF0$75K———County
29 Oct 2018TornadoEF1$50K———County
2 Oct 2018TornadoEF0$100K———County
10 Aug 2016TornadoEF0$10K———County
10 Aug 2012TornadoEF0$100K———County
28 Aug 2011TornadoEF0————County
18 Jul 2007TornadoEF1————County
25 Aug 2006TornadoF0————County
1 Jul 2001TornadoF0————County
1 Jul 2001TornadoF0————County
15 Sep 2000TornadoF1————County
8 Aug 1999TornadoF2$1.0M——1County
30 Jun 1998TornadoF1————County
30 Jun 1998TornadoF1————County
30 Jun 1998TornadoF0————County
26 Jun 1997TornadoF0————County
23 Jul 1995TornadoF0$500K———County
19 Aug 1991TornadoF1————County
19 Aug 1991TornadoF1————County
10 Jul 1989TornadoF2———1County
30 Aug 1985TornadoF1————County
25 Aug 1982TornadoF0$30———County
5 Aug 1981TornadoF1$250K———County
10 Aug 1979TornadoF1————County
18 Sep 1973TornadoF1————County
8 Sep 1958TornadoF0————County

Questions and answers

How many tornado events has Suffolk County had?

32 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 Suffolk County?

25 Sep 2022 (Tornado, EF0). Records reach NCEI about 120 days after the month ends.

What was the most damaging tornado event recorded in Suffolk County?

The tornado of 8 Aug 1999, with property damage estimated by NCEI at $1.0M.

How does Suffolk County compare with New York for tornado?

3.5 events per 100 square miles against 1.2 statewide; the county holds 32 of the state's 563 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.