Dukes County, Massachusetts

County storm and disaster record · FIPS 25007 · population 20,495 · 103 sq mi

NOAA's Storm Events Database holds 270 records for Dukes County, Massachusetts from 1950 through June 30, 2026, on 222 days; the most frequent are high wind and dust records (131 records). 219 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 October 29, 2012 coastal flood ($12.9 million in 2025 dollars). FEMA has issued 22 declarations naming the county since 1972, 19 of them for natural hazards; the latest for a natural hazard was “Hurricane Lee” on September 15, 2023.

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
270on 222 days, 1950 to June 30, 2026
Deaths recorded
00 injuries
Damage, 2025 dollars
$16Mas filed (scale steps before 1993)
Tornadoes
1strongest F2
FEMA declarations
22latest 2023

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 Dukes County most?

The most frequent records are high wind and dust records: 131 since 1996. The rank column places the county among Massachusetts's counties by days with a record per 1,000 square miles of land over each hazard's complete period.

Dukes County: records by hazard, 1950 to June 30, 2026
HazardRecordsDaysFirst, lastKilledInjuredDamageRank in state
High wind and dust storms 131 116 1996-2025 0 0 $353K 1 of 12
Winter storms 51 51 1996-2026 0 0 $1.7M 1 of 12
Floods 30 26 1998-2024 0 0 $13M 2 of 12
Severe thunderstorm wind 19 16 1973-2021 0 0 $21K 11 of 12
Heavy rain 11 11 1996-2025 0 0 – 1 of 12
Hail 10 8 1997-2024 0 0 $3K 9 of 12
Hurricanes and tropical storms 6 6 2005-2021 0 0 $523K 1 of 12
Drought 4 4 2012-2016 0 0 – 1 of 12
Lightning 2 1 2017-2017 0 0 $19K 12 of 12
Fog, smoke and funnel clouds 2 2 1996-1999 0 0 – 1 of 12
Rip currents and high surf 1 1 2006-2006 0 0 – 1 of 12
Extreme cold 1 1 2016-2016 0 0 – 2 of 12
Heat 1 1 2010-2010 0 0 – 5 of 12
Tornadoes 1 1 1951-1951 0 0 – 12 of 12

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 Dukes County had?

NOAA records 1 tornado in Dukes County from 1951 to 1951, the strongest rated F2, 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 2 tornadoes whose track touched Dukes County since 1950 (NOAA's county records number 1: they file a crossing tornado once per county segment, and the two databases differ on some tracks); along their whole tracks they killed 0 people.

Map of the strongest tornado tracks in Massachusetts.

Every tornado record filed for Dukes County (1)
Every tornado recorded in Dukes County, newest first
DatePlaceCharacterKilledInjuredDamage
1951-12-18 Dukes County F2 0 0 –

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 Dukes County?

The most recent record with damage, injuries or deaths is the May 31, 2025 strong wind ($2,000 in damage in 2025 dollars).

The 12 most recent records kept for Dukes County
DateRecordCharacterKilledInjuredDamage
2026-02-22 BlizzardDukes County · forecast zone Dukes 0 0 –
2026-01-25 Heavy SnowDukes County · forecast zone Dukes 0 0 –
2025-05-31 Strong WindDukes County · forecast zone Dukes 49 kt wind 0 0 $2K
2025-05-22 Heavy RainMarthas Vinyrd, Dukes County 0 0 –
2025-05-22 Strong WindDukes County · forecast zone Dukes 49 kt wind 0 0 $1K
2012-10-29 Coastal FloodDukes County · forecast zone Dukes 0 0 $13M
2011-08-28 Tropical StormDukes County · forecast zone Dukes 0 0 $350K
2009-07-02 HailWest Tisbury, Dukes County 2.00 in hail 0 0 –
1999-08-08 Thunderstorm WindWest Tisbury, Dukes County 0 0 –
1996-01-07 Heavy SnowDukes County · forecast zone Dukes 0 0 $1.5M
1973-07-15 Thunderstorm WindDukes County 0 0 –
1951-12-18 TornadoDukes County F2 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 Dukes County since 1993, damage in 2025 dollars
DateRecordCharacterKilledInjuredDamage
2012-10-29 Coastal FloodDukes County · forecast zone Dukes 0 0 $13M
2011-08-28 Tropical StormDukes County · forecast zone Dukes 0 0 $350K
2025-05-22 Strong WindDukes County · forecast zone Dukes 49 kt wind 0 0 $1K

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 Dukes 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).

Dukes County: records per decade (the 2020s to June 30, 2026)
Hazard1950s1960s1970s1980s1990s2000s2010s2020-26
High wind and dust storms––––55243814
Winter storms––––1014216
Floods––––251310
Severe thunderstorm wind00225271
Heavy rain––––8201
Hail00001621

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

What time of year?

Records by month in Dukes County. The two busiest months are in violet.

The values, month by month

Jan 39 · Feb 40 · Mar 30 · Apr 15 · May 12 · Jun 6 · Jul 22 · Aug 11 · Sep 9 · Oct 34 · Nov 16 · Dec 36 (records).

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

Federal disaster declarations for Dukes County

FEMA's register lists 22 declarations that include Dukes County: 13 major disasters, 9 emergencies and 0 fire management assistance declarations. Most were for hurricane (9) and snowstorm (4).

Declarations including Dukes County, newest first
DeclaredNumberTypeTitle
2023-09-15EM-3599HurricaneHurricane Lee
2020-03-27DR-4496BiologicalCovid-19 Pandemic
2020-03-13EM-3438BiologicalCovid-19
2015-04-13DR-4214Severe StormSevere Winter Storm, Snowstorm, and Flooding
2013-04-19DR-4110Severe StormSevere Winter Storm, Snowstorm, and Flooding
2012-12-19DR-4097HurricaneHurricane Sandy
2012-10-28EM-3350HurricaneHurricane Sandy
2011-09-03DR-4028HurricaneTropical Storm Irene
2011-08-26EM-3330HurricaneHurricane Irene
2010-09-02EM-3315HurricaneHurricane Earl
2007-05-16DR-1701Severe StormSevere Storms and Inland and Coastal Flooding
2005-09-13EM-3252HurricaneHurricane Katrina Evacuation
2005-02-17EM-3201SnowstormRecord and/Or Near Record Snow
2003-03-11EM-3175SnowstormSnow
1996-01-24DR-1090SnowstormBlizzard of 96
1993-03-16EM-3103SnowstormBlizzards, High Winds & Record Snowfall
1992-12-21DR-975Coastal StormWinter Coastal Storm
1991-11-04DR-920Coastal StormCoastal Storm
1991-08-26DR-914HurricaneHurricane Bob
1985-10-28DR-751HurricaneHurricane Gloria
1978-02-10DR-546FloodCoastal Storms, Flood, Ice & Snow
1972-09-28DR-357Fishing LossesToxic Algae in Coastal Waters

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 Dukes County had?

NOAA's Storm Events Database holds 30 flood or flash flood records for Dukes County from 1998 to 2024, on 26 days, with 0 deaths. By flood insurance claims since 1978 (OpenFEMA, as of September 8, 2026), Dukes County ranks 1054th of 2,942 U.S. counties.

Named storms on Dukes County's flood and tropical record
StormBeganRecordsDeaths in the county
Hurricane Sandy2012-10-2910
Hurricane Irene2011-08-2810

The National Flood Insurance Program has paid $1.7 million on 160 claims filed in Dukes County; the most in one year was 79 in 1991. Claims count insured losses only: uninsured flood damage is not in this file.

The values, year by year

1978: 17 · 1979: 4 · 1980: 2 · 1981: 4 · 1982: 1 · 1984: 2 · 1991: 79 · 1992: 15 · 1996: 4 · 1998: 3 · 2001: 1 · 2010: 2 · 2012: 13 · 2018: 7 · 2023: 1 · 2024: 5; 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 Dukes County

FEMA's National Risk Index rates Dukes County Very Low overall, with an expected annual loss of $7.3 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 Dukes County (December 2025 release), by FEMA's rating, then score
HazardRisk ratingExpected annual lossModeled frequency
HurricaneRelatively Low$2.4Monce in about 6 years (modeled)
Coastal FloodingRelatively Low$348K3.7 a year (modeled)
EarthquakeVery Low$113Konce in about 975 years (modeled)
Riverine FloodingVery Low$4.2Monce in about 6 years (modeled)
WildfireVery Low$14Konce in about 27,492 years (modeled)
DroughtVery Low$4K2.5 modeled event-days a year
LandslideVery Low$54once in about 60 years (modeled)
LightningVery Low$50K16 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 Dukes County

  1. Bristol County 1,151
  2. Barnstable County 755
  3. Nantucket County 298
  4. Dukes County 270

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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