Tompkins County, New York

County storm and disaster record · FIPS 36109 · population 105,483 · 475 sq mi

NOAA's Storm Events Database holds 548 records for Tompkins County, New York from 1950 through June 30, 2026, on 342 days; the most frequent are severe thunderstorm wind events (263 records). The deadliest single record is the March 6, 1996 heavy snow, filed for the forecast zone Tompkins, which covers the county: 2 deaths and 1 injury. FEMA has issued 20 declarations naming the county since 1970, 16 of them for natural hazards; the latest for a natural hazard was “Severe Winter Storm and Snowstorm” on July 12, 2017.

The record, 1950 to 2026

Storm records filed for the county each year (2026 to June 30, 2026). Before 1996 NOAA recorded only tornadoes (from 1950), thunderstorm wind and hail (from 1955).

  • recorded, no damage figure
  • under $100,000
  • $100,000 or more
  • $1 million or more
  • $10 million or more, or a death
  • $100 million or more, or 10 deaths
  • a year's colour: its recorded damage or deaths
  • a year with a death
  • 1955: wind and hail recorded from 1955
  • 1996: all 48 event types from 1996
Storm records
548on 342 days, 1950 to June 30, 2026
Deaths recorded
34 injuries
Damage, 2025 dollars
$51Mas filed (scale steps before 1993)
Tornadoes
8strongest EF1
FEMA declarations
20latest 2020

Source: NOAA NCEI Storm Events Database, records through June 30, 2026 (file revision 20260918); damage converted to 2025 dollars with the BLS CPI-U. Search the record at NCEI. BLS consumer price index.

What hazards hit Tompkins County most?

The most frequent records are severe thunderstorm wind events: 263 since 1960. 55% of its severe thunderstorm wind events since 1960 fell in June and July. The rank column places the county among New York's counties by days with a record per 1,000 square miles of land over each hazard's complete period.

Tompkins County: records by hazard, 1950 to June 30, 2026
HazardRecordsDaysFirst, lastKilledInjuredDamageRank in state
Severe thunderstorm wind 263 162 1960-2026 0 0 $3.0M 13 of 58
Hail 105 50 1971-2026 0 0 $1.4M 12 of 58
Winter storms 84 84 1996-2026 3 2 $1.3M 38 of 58
Floods 40 28 1996-2026 0 0 $42M 37 of 58
Extreme cold 15 14 1996-2022 0 0 $36K 37 of 58
High wind and dust storms 10 10 1998-2011 0 0 $593K 51 of 58
Tornadoes 8 8 1961-2023 0 0 $2.3M 16 of 58
Drought 7 7 1998-2016 0 0 – 9 of 58
Lightning 7 6 2000-2020 0 2 $175K 23 of 58
Heat 4 4 2001-2012 0 0 – 27 of 58
Heavy rain 3 3 2000-2009 0 0 – 14 of 58
Fog, smoke and funnel clouds 2 2 2010-2024 0 0 – 12 of 58

Source: NOAA NCEI Storm Events Database (county and forecast-zone records attributed to the county; a zone record shows its own totals on each county it covers). Days: dates with at least one record of the hazard in the county. Ranks: days with a record per 1,000 square miles of land (Census Bureau 2024 Gazetteer), since 1950 for tornadoes, 1955 for hail and thunderstorm wind, 1996 for the rest.

How many tornadoes has Tompkins County had?

NOAA records 8 tornadoes in Tompkins County from 1961 to 2023, the strongest rated EF1, with 0 deaths and 0 injuries recorded in the county. That is 16th of 58 New York counties by days with tornadoes per 1,000 square miles since 1950. A tornado that crossed a county line is counted in each county it touched, with the length of its path inside the county.

Counted as whole tornadoes rather than county records, the Storm Prediction Center's database holds 9 tornadoes whose track touched Tompkins County since 1950 (NOAA's county records number 8: they file a crossing tornado once per county segment, and the two databases differ on some tracks); along their whole tracks they killed 1 person, 0 of them in Tompkins County.

The deadliest and strongest tornadoes that touched Tompkins County, whole tracks
DateTornadoRatingPathKilled
1988-08-28 13:30, as SPC files itTrumansburgF113 mi1

Map of the strongest tornado tracks in New York.

Every tornado record filed for Tompkins County (8)
Every tornado recorded in Tompkins County, newest first
DatePlaceCharacterKilledInjuredDamage
2023-08-07 Dryden, Tompkins County EF0 1.4 mi x 200 yd 0 0 $5K
2021-06-21 Etna, Tompkins County EF1 2.8 mi x 85 yd 0 0 $53K
2011-04-28 Newfield Skyhook Arp, Tompkins County EF1 2.06 mi x 150 yd 0 0 $164K
1994-08-21 Dryden, Tompkins County F0 1 mi x 100 yd 0 0 $995K
1988-08-28 Tompkins County F1 4 mi x 880 yd 0 0 $250K step
1977-06-18 Tompkins County 0 0 $3K step
1969-06-20 Tompkins County F1 2 mi x 33 yd 0 0 $25K step
1961-08-25 Tompkins County F0 0 0 $25K step

A damage figure marked "step" is a record from before 1993: NOAA then filed damage by category, and the figure is the category as entered, in the dollars of that year, not an estimate of the loss.

Source: NOAA NCEI Storm Events Database, tornado records by county (path length in the county, maximum width); ratings as published: F scale before February 1, 2007, EF scale after. Whole-track figures: NOAA Storm Prediction Center tornado database (1950-2025). SPC severe weather database.

When was the last damaging storm in Tompkins County?

The most recent record with damage, injuries or deaths is the June 18, 2026 thunderstorm wind ($5,000 in damage in 2025 dollars).

The 12 most recent records kept for Tompkins County
DateRecordCharacterKilledInjuredDamage
2026-06-30 HailSouth Lansing, Tompkins County 1.75 in hail 0 0 –
2026-06-30 HailMc Kinneys Pt, Tompkins County 1.00 in hail 0 0 –
2026-06-30 HailSouth Lansing, Tompkins County 1.75 in hail 0 0 –
2026-06-18 Thunderstorm WindIthaca, Tompkins County 50 kt wind 0 0 $5K
2026-06-11 Thunderstorm WindTrumansburg, Tompkins County 50 kt wind 0 0 $2K
2026-05-29 Thunderstorm WindNubia, Tompkins County 50 kt wind 0 0 $500
2026-03-31 Flash FloodLake Ridge Pt, Tompkins County 0 0 $5K
2026-03-31 Flash FloodApplegate Corner, Tompkins County 0 0 $5K
2026-03-31 Flash FloodMc Kinneys Pt, Tompkins County 0 0 $50K
2026-01-25 Winter StormTompkins County · forecast zone Tompkins 0 0 –
2025-12-23 Winter StormTompkins County · forecast zone Tompkins 0 0 –
2025-12-02 Winter WeatherTompkins County · forecast zone Tompkins 0 0 –

Source: NOAA NCEI Storm Events Database; every record of 2025-2026 is listed, earlier ones when they caused deaths, injuries or $250,000 of damage (2025 dollars), and every tornado.

The deadliest and costliest records

Records with deaths or injuries in Tompkins County, most deaths first
DateRecordCharacterKilledInjuredDamage
1996-03-06 Heavy SnowTompkins County · forecast zone Tompkins A winter storm formed over the Carolinas and tracked up the coast, bringing heavy snow to central New York. Snowfall accumulations ranged from 6 to 12 inches by the time the snow tapered off on the evening of the 7th. During the height of the storm, many accidents were reported due to poor visibility, including one in ... 2 1 –
1996-03-03 Heavy SnowTompkins County · forecast zone Tompkins Arctic air poured into central New York on gusty west winds producing lake effect snow squalls across the eastern Finger Lakes and western Mohawk Valley, and scattered snow showers elsewhere. Nezr zero visibility in snow squalls forced the closure of many roads throughout central and southern Oneida County, including ... 1 1 –
2003-08-16 LightningDryden, Tompkins County Lightning struck a car causing injuries to the driver and damage to the car. The 25 year old woman had pains in her chest and right arm. The car had the damage to the right passenger window, the side view mirror, alternator wires, and one tire. 0 1 $3K
2000-09-12 LightningDryden, Tompkins County Lightning hit 86 year old man, the house he was in and tree in yard. Man not hurt. Tree down by lightning in yard. 0 1 –
The costliest records in Tompkins County since 1993, damage in 2025 dollars
DateRecordCharacterKilledInjuredDamage
1996-01-19 Flash FloodCountywide, Tompkins County 0 0 $36M
2015-06-14 Flash FloodTrumbulls Corners, Tompkins County 0 0 $1.9M
1996-11-08 Flash FloodCountywide, Tompkins County 0 0 $1.7M
2012-05-03 HailSouth Hill, Tompkins County 2.00 in hail 0 0 $1.3M
2003-08-29 Thunderstorm WindGroton, Tompkins County 70 kt wind 0 0 $642K
2011-09-07 Flash FloodEllis, Tompkins County 0 0 $525K
2005-04-02 Flash FloodCountywide, Tompkins County 0 0 $302K
2011-04-28 TornadoNewfield Skyhook Arp, Tompkins County EF1 2.06 mi x 150 yd 0 0 $164K

Before 1993 NOAA filed damage by category, not amount, so the list above starts in 1993. The highest category filed here before then (entered as $250K, in the dollars of the day) holds: August 28, 1988 (tornado, Tompkins County).

Source: NOAA NCEI Storm Events Database: deaths and injuries direct and indirect; damage is property plus crops as estimated by the National Weather Service, converted to 2025 dollars.

Is it getting more frequent?

Records per decade for Tompkins County's most frequent hazards. Counts rose everywhere after 1996, when NOAA began recording every event type, so compare decades within a hazard's complete period only (the shaded cells come before it).

Tompkins County: records per decade (the 2020s to June 30, 2026)
Hazard1950s1960s1970s1980s1990s2000s2010s2020-26
Severe thunderstorm wind0661951515377
Hail00125384910
Winter storms––––16361814
Floods––––3111412
Extreme cold––––5901
High wind and dust storms––––2710

Source: NOAA NCEI Storm Events Database, records per calendar decade; zone records from the CZ_TYPE field (Z).

What time of year?

55% of its severe thunderstorm wind events since 1960 fell in June and July. The two busiest months are in violet.

The values, month by month

Jan 35 · Feb 19 · Mar 29 · Apr 20 · May 62 · Jun 109 · Jul 114 · Aug 79 · Sep 32 · Oct 14 · Nov 13 · Dec 22 (records).

Source: NOAA NCEI Storm Events Database, records by the month they began.

Federal disaster declarations for Tompkins County

FEMA's register lists 20 declarations that include Tompkins County: 14 major disasters, 6 emergencies and 0 fire management assistance declarations. Most were for severe storm (6) and flood (5).

Declarations including Tompkins County, newest first
DeclaredNumberTypeTitle
2020-03-20DR-4480BiologicalCovid-19 Pandemic
2020-03-13EM-3434BiologicalCovid-19
2017-07-12DR-4322SnowstormSevere Winter Storm and Snowstorm
2012-10-28EM-3351HurricaneHurricane Sandy
2011-09-13DR-4031Severe StormRemnants of Tropical Storm Lee
2006-07-01DR-1650Severe StormSevere Storms and Flooding
2005-09-30EM-3262HurricaneHurricane Katrina Evacuation
2004-08-03DR-1534Severe StormSevere Storms and Flooding
2003-08-23EM-3186OtherPower Outage
2001-09-11DR-1391FireFires and Explosions
2000-10-11EM-3155OtherWest Nile Virus
2000-07-21DR-1335Severe StormSevere Storms and Flooding
1998-07-07DR-1233Severe StormSevere Storms and Flooding
1996-12-09DR-1148Severe StormSevere Storms High Winds, Rain and Flooding
1996-01-24DR-1095FloodSevere Storms and Flooding
1993-03-17EM-3107SnowstormSevere Blizzard
1976-07-21DR-515FloodSevere Storms & Flooding
1975-10-02DR-487FloodStorms, Rains, Landslides & Flooding
1972-06-23DR-338FloodTropical Storm Agnes
1970-07-22DR-290FloodHeavy Rains & Flooding

Source: FEMA OpenFEMA Disaster Declarations Summaries (v2), declarations through October 2, 2026; one declaration is counted once however many areas it names. OpenFEMA dataset page.

How many floods has Tompkins County had?

NOAA's Storm Events Database holds 40 flood or flash flood records for Tompkins County from 1996 to 2026, on 28 days, with 0 deaths. By flood insurance claims since 1978 (OpenFEMA, as of September 8, 2026), Tompkins County ranks 762nd of 2,942 U.S. counties.

Named storms on Tompkins County's flood and tropical record
StormBeganRecordsDeaths in the county
Tropical Storm Lee2011-09-0710

The National Flood Insurance Program has paid $1.9 million on 290 claims filed in Tompkins County; the most in one year was 101 in 1981. Claims count insured losses only: uninsured flood damage is not in this file.

The values, year by year

1978: 14 · 1979: 12 · 1981: 101 · 1982: 2 · 1983: 1 · 1984: 1 · 1985: 1 · 1986: 2 · 1990: 7 · 1993: 27 · 1994: 12 · 1996: 41 · 1997: 2 · 2001: 1 · 2002: 1 · 2003: 1 · 2004: 2 · 2005: 6 · 2006: 2 · 2007: 1 · 2011: 16 · 2013: 6 · 2014: 6 · 2015: 6 · 2017: 8 · 2018: 2 · 2019: 2 · 2020: 1 · 2021: 4 · 2024: 1 · 2026: 1; the other years: 0.

Source: FEMA OpenFEMA NFIP Redacted Claims, as of September 8, 2026; claims by year of loss, payments in the dollars of the year paid. OpenFEMA dataset page.

FEMA's modeled risk for Tompkins County

FEMA's National Risk Index rates Tompkins County Relatively Low overall, with an expected annual loss of $34.8 million. These are FEMA's model estimates of future loss from 18 hazards, not a count of what happened; they can differ from the record above.

National Risk Index ratings for Tompkins County (December 2025 release), by FEMA's rating, then score
HazardRisk ratingExpected annual lossModeled frequency
Riverine FloodingRelatively Moderate$30Mabout once a year (modeled)
LightningRelatively Moderate$390K30 a year (modeled)
Ice StormRelatively Moderate$160Konce in about 2 years (modeled)
HurricaneRelatively Low$358Konce in about 43 years (modeled)
DroughtRelatively Low$355K2.2 modeled event-days a year
TornadoRelatively Low$1.8Monce in about 8 years (modeled)
Heat WaveRelatively Low$364K3.1 modeled event-days a year
HailRelatively Low$234K2.5 a year (modeled)

Source: FEMA National Risk Index, county table, December 2025 release. FEMA's National Risk Index map.

Counties that share a border with Tompkins County

  1. Cayuga County 874
  2. Cortland County 606
  3. Tioga County 558
  4. Tompkins County 548
  5. Chemung County 453
  6. Seneca County 320
  7. Schuyler County 317

Source: U.S. Census Bureau county adjacency file; NOAA NCEI Storm Events Database, records since 1950. The Census Bureau's adjacency file.

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