Orleans County, New York

County storm and disaster record · FIPS 36073 · population 40,286 · 391 sq mi

NOAA's Storm Events Database holds 364 records for Orleans County, New York from 1950 through June 30, 2026, on 298 days; the most frequent are severe thunderstorm wind events (122 records). 183 of them are forecast-zone records, which the National Weather Service files once per zone: a county covered by several zones receives each one, so a single storm can add several records on the same day. The most damaging was the September 6, 1998 thunderstorm wind ($18.1 million in 2025 dollars). FEMA has issued 24 declarations naming the county since 1973, 20 of them for natural hazards; the latest for a natural hazard was “Flooding” on November 14, 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
364on 298 days, 1950 to June 30, 2026
Deaths recorded
00 injuries
Damage, 2025 dollars
$61Mas filed (scale steps before 1993)
Tornadoes
1strongest F1
FEMA declarations
24latest 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 Orleans County most?

The most frequent records are severe thunderstorm wind events: 122 since 1961. 40% of its severe thunderstorm wind events since 1961 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.

Orleans County: records by hazard, 1950 to June 30, 2026
HazardRecordsDaysFirst, lastKilledInjuredDamageRank in state
Severe thunderstorm wind 122 88 1961-2026 0 0 $20M 31 of 58
Winter storms 79 78 1996-2026 0 0 $8.6M 33 of 58
High wind and dust storms 70 70 1996-2026 0 0 $5.7M 6 of 58
Hail 30 25 1980-2024 0 0 $23M 31 of 58
Floods 28 22 1996-2023 0 0 $4.3M 41 of 58
Extreme cold 21 19 2008-2023 0 0 – 17 of 58
Heavy rain 8 1 2020-2020 0 0 – 39 of 58
Drought 5 5 2016-2016 0 0 – 11 of 58
Tornadoes 1 1 1986-1986 0 0 $67K 55 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 Orleans County had?

NOAA records 1 tornado in Orleans County from 1986 to 1986, the strongest rated F1, with 0 deaths and 0 injuries recorded in the county. 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 1 tornado whose track touched Orleans County since 1950 (NOAA's county records number 1, the same count); along their whole tracks they killed 0 people.

Map of the strongest tornado tracks in New York.

Every tornado record filed for Orleans County (1)
Every tornado recorded in Orleans County, newest first
DatePlaceCharacterKilledInjuredDamage
1986-09-29 Orleans County F1 0.5 mi x 23 yd 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 Orleans County?

The most recent record with damage, injuries or deaths is the January 27, 2025 high wind ($2,000 in damage in 2025 dollars).

The 12 most recent records kept for Orleans County
DateRecordCharacterKilledInjuredDamage
2026-06-11 Thunderstorm WindPt Breeze, Orleans County 50 kt wind 0 0 –
2026-06-11 Thunderstorm WindMurray, Orleans County 50 kt wind 0 0 –
2026-06-11 Thunderstorm WindAlbion, Orleans County 50 kt wind 0 0 –
2026-05-19 Thunderstorm WindRidgeway, Orleans County 50 kt wind 0 0 –
2026-05-19 Thunderstorm WindShelby, Orleans County 50 kt wind 0 0 –
2026-05-09 Thunderstorm WindMedina, Orleans County 50 kt wind 0 0 –
2026-03-13 High WindOrleans County · forecast zone Orleans 50 kt wind 0 0 –
2026-01-25 Winter StormOrleans County · forecast zone Orleans 0 0 –
2026-01-14 Winter StormOrleans County · forecast zone Orleans 0 0 –
2026-01-09 High WindOrleans County · forecast zone Orleans 50 kt wind 0 0 –
2025-12-29 High WindOrleans County · forecast zone Orleans 50 kt wind 0 0 –
2025-02-17 Lake-Effect SnowOrleans County · forecast zone Orleans 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

The costliest records in Orleans County since 1993, damage in 2025 dollars
DateRecordCharacterKilledInjuredDamage
1998-09-06 Thunderstorm WindShelby, Orleans County 0 0 $18M
2008-06-16 HailWest Shelby, Orleans County 1.25 in hail 0 0 $11M
1994-07-25 HailLyndonville, Orleans County 1.75 in hail 0 0 $10.0M
2003-04-04 Ice StormOrleans County · forecast zone Orleans 0 0 $2.0M
2006-10-12 Lake-Effect SnowOrleans County · forecast zone Orleans 0 0 $1.1M
2006-07-12 Flash FloodAlbion, Orleans County 0 0 $1.0M
2002-02-01 High WindOrleans County · forecast zone Orleans 56 kt wind 0 0 $820K
1999-03-04 Heavy SnowOrleans County · forecast zone Orleans 0 0 $620K

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 $25K, in the dollars of the day) holds: September 29, 1986 (tornado, Orleans 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 Orleans 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).

Orleans County: records per decade (the 2020s to June 30, 2026)
Hazard1950s1960s1970s1980s1990s2000s2010s2020-26
Severe thunderstorm wind0122322213617
Winter storms––––1825279
High wind and dust storms––––7202617
Hail000359112
Floods––––83125
Extreme cold––––02145

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

What time of year?

40% of its severe thunderstorm wind events since 1961 fell in June and July. The two busiest months are in violet.

The values, month by month

Jan 48 · Feb 25 · Mar 29 · Apr 18 · May 27 · Jun 38 · Jul 46 · Aug 45 · Sep 22 · Oct 20 · Nov 16 · Dec 30 (records).

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

Federal disaster declarations for Orleans County

FEMA's register lists 24 declarations that include Orleans County: 14 major disasters, 10 emergencies and 0 fire management assistance declarations. Most were for snowstorm (9) and severe storm (5).

Declarations including Orleans County, newest first
DeclaredNumberTypeTitle
2020-03-20DR-4480BiologicalCovid-19 Pandemic
2020-03-13EM-3434BiologicalCovid-19
2017-11-14DR-4348FloodFlooding
2017-07-12DR-4322SnowstormSevere Winter Storm and Snowstorm
2014-12-22DR-4204SnowstormSevere Winter Storm, Snowstorm, and Flooding
2012-10-28EM-3351HurricaneHurricane Sandy
2006-10-24DR-1665Severe StormSevere Storms and Flooding
2006-10-15EM-3268SnowstormLake Effect Snowstorm
2005-09-30EM-3262HurricaneHurricane Katrina Evacuation
2004-10-01DR-1564Severe StormSevere Storms and Flooding
2004-08-03DR-1534Severe StormSevere Storms and Flooding
2003-08-23EM-3186OtherPower Outage
2003-05-12DR-1467Severe Ice StormIce Storm
2001-09-11DR-1391FireFires and Explosions
2000-10-11EM-3155OtherWest Nile Virus
2000-07-21DR-1335Severe StormSevere Storms and Flooding
1999-03-10EM-3138SnowstormSnow
1999-01-15EM-3136SnowstormSnow
1998-09-11DR-1244Severe StormNy - Severe Wx, Sept 7, 1998
1993-03-17EM-3107SnowstormSevere Blizzard
1991-03-21DR-898SnowstormSevere Winter Storm
1977-02-05DR-527SnowstormSnowstorms
1977-01-29EM-3027SnowstormSnowstorms
1973-03-21DR-367FloodHigh Winds, Wave Action & 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 Orleans County had?

NOAA's Storm Events Database holds 28 flood or flash flood records for Orleans County from 1996 to 2023, on 22 days, with 0 deaths. By flood insurance claims since 1978 (OpenFEMA, as of September 8, 2026), Orleans County ranks 1784th of 2,942 U.S. counties.

The National Flood Insurance Program has paid $139,000 on 39 claims filed in Orleans County; the most in one year was 8 in 2017. Claims count insured losses only: uninsured flood damage is not in this file.

The values, year by year

1979: 6 · 1980: 1 · 1984: 1 · 1986: 1 · 1989: 4 · 1993: 6 · 1997: 1 · 1998: 1 · 2004: 2 · 2006: 1 · 2011: 1 · 2014: 1 · 2017: 8 · 2019: 1 · 2021: 1 · 2022: 1 · 2025: 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 Orleans County

FEMA's National Risk Index rates Orleans County Very Low overall, with an expected annual loss of $6.9 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 Orleans County (December 2025 release), by FEMA's rating, then score
HazardRisk ratingExpected annual lossModeled frequency
Ice StormRelatively Moderate$158K2.2 a year (modeled)
HailRelatively Low$257Kabout once a year (modeled)
Riverine FloodingRelatively Low$5.0Monce in about 2 years (modeled)
Strong WindRelatively Low$388K1.2 a year (modeled)
Cold WaveRelatively Low$412K3.1 a year (modeled)
LightningRelatively Low$103K26 a year (modeled)
HurricaneVery Low$89Konce in about 35 years (modeled)
EarthquakeVery Low$127Konce in about 1,215 years (modeled)

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

Counties that share a border with Orleans County

  1. Monroe County 760
  2. Niagara County 591
  3. Genesee County 450
  4. Orleans County 364

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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