Plymouth County, Massachusetts

County storm and disaster record · FIPS 25023 · population 530,320 · 659 sq mi

NOAA's Storm Events Database holds 1,633 records for Plymouth County, Massachusetts from 1950 through June 30, 2026, on 678 days; the most frequent are high wind and dust records (702 records). 1,191 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. NOAA records 158 flood or flash floods there since 1996, with 0 deaths; its 10,959 flood insurance claims since 1978 (OpenFEMA) rank 49th of 2,942 U.S. counties; the deadliest named storm on its flood record is Hurricane Sandy (2012). The deadliest single record is the April 3, 2016 strong wind, filed for the forecast zone Western Plymouth, which covers the county: 2 deaths and $18,000 in damage in 2025 dollars. FEMA has issued 32 declarations naming the county since 1972, 29 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
1,633on 678 days, 1950 to June 30, 2026
Deaths recorded
793 injuries
Damage, 2025 dollars
$104Mas filed (scale steps before 1993)
Tornadoes
10strongest F2
FEMA declarations
32latest 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 Plymouth County most?

The most frequent records are high wind and dust records: 702 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.

Plymouth County: records by hazard, 1950 to June 30, 2026
HazardRecordsDaysFirst, lastKilledInjuredDamageRank in state
High wind and dust storms 702 280 1996-2025 4 4 $9.5M 4 of 12
Winter storms 312 118 1996-2026 0 0 $19M 10 of 12
Severe thunderstorm wind 197 116 1961-2025 1 62 $9.1M 9 of 12
Floods 158 121 1996-2025 0 3 $55M 5 of 12
Hail 82 45 1959-2025 0 0 $70K 12 of 12
Heavy rain 50 35 1996-2025 0 0 – 4 of 12
Lightning 45 40 1996-2024 1 22 $2.1M 6 of 12
Hurricanes and tropical storms 26 14 2002-2021 0 0 $6.1M 5 of 12
Drought 23 8 2012-2017 0 0 – 10 of 12
Heat 22 21 1996-2018 0 0 – 2 of 12
Tornadoes 10 9 1958-2023 1 2 $3.2M 11 of 12
Fog, smoke and funnel clouds 4 1 1997-1997 0 0 – 8 of 12
Extreme cold 2 2 2015-2016 0 0 – 8 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 Plymouth County had?

NOAA records 10 tornadoes in Plymouth County from 1958 to 2023, the strongest rated F2, with 1 death and 2 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 11 tornadoes whose track touched Plymouth County since 1950 (NOAA's county records number 10: 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.

The deadliest and strongest tornadoes that touched Plymouth County, whole tracks
DateTornadoRatingPathKilled
1958-09-07 16:00, as SPC files itUnnamedF00.1 mi1

Map of the strongest tornado tracks in Massachusetts.

Every tornado record filed for Plymouth County (10)
Every tornado recorded in Plymouth County, newest first
DatePlaceCharacterKilledInjuredDamage
2023-08-08 Shell Beach, Plymouth County EF1 0.9 mi x 300 yd 0 0 $10K
2012-07-24 White Horse Beach, Plymouth County EF0 0.03 mi x 15 yd 0 0 $4K
1997-08-20 Plymouth County F0 0.1 mi x 5 yd 0 0 –
1989-07-10 Plymouth County F0 0.1 mi x 23 yd 0 0 $25K step
1989-07-10 Plymouth County F1 0.1 mi x 23 yd 0 1 $25K step
1986-09-16 Plymouth County F1 0.1 mi x 50 yd 0 0 $250K step
1967-11-18 Plymouth County F2 0.1 mi x 17 yd 0 0 $250 step
1965-06-09 Plymouth County F0 0.1 mi x 33 yd 0 0 $30 step
1964-07-04 Plymouth County F1 2.3 mi x 33 yd 0 0 $250K step
1958-09-07 Plymouth County F0 1 1 $3K 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 Plymouth County?

The most recent record with damage, injuries or deaths is the December 19, 2025 high wind ($1,000 in damage in 2025 dollars).

The 12 most recent records kept for Plymouth County
DateRecordCharacterKilledInjuredDamage
2026-02-22 Winter StormPlymouth County · forecast zone Southern Plymouth 0 0 –
2026-02-22 Winter StormPlymouth County · forecast zone Western Plymouth 0 0 –
2026-02-22 BlizzardNorfolk County and Plymouth County · forecast zone Eastern Plymouth 0 0 –
2026-01-25 Heavy SnowPlymouth County · forecast zone Western Plymouth 0 0 –
2026-01-25 Heavy SnowNorfolk County and Plymouth County · forecast zone Eastern Plymouth 0 0 –
2025-12-19 High WindNorfolk County and Plymouth County · forecast zone Eastern Plymouth 58 kt wind 0 0 –
2025-12-19 High WindPlymouth County · forecast zone Southern Plymouth 54 kt wind 0 0 $1K
2025-12-19 Strong WindPlymouth County · forecast zone Western Plymouth 43 kt wind 0 0 $500
2025-08-14 Thunderstorm WindNorthville, Plymouth County 50 kt wind 0 0 $1K
2025-08-14 HailRockland, Plymouth County 1.50 in hail 0 0 –
2025-07-25 Thunderstorm WindBisbee Corner, Plymouth County 50 kt wind 0 0 $300
2025-07-25 Thunderstorm WindMiddleboro, Plymouth County 50 kt wind 0 0 $300

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 Plymouth County, most deaths first
DateRecordCharacterKilledInjuredDamage
2016-04-03 Strong WindPlymouth County · forecast zone Western Plymouth A 49 year old man and a 51 year old woman were killed when strong winds combined with snow resulted in a severely rotted tree being blown over onto their car. Winds from stations in the area were generally gusting up to about 50 mph, with sustained winds speeds in the 30 to 40 mph range. This occurred on Rockland ... 43 kt wind 2 0 $18K
1958-09-07 TornadoPlymouth County F0 1 1 $3K step
2023-12-18 Strong WindPlymouth County · forecast zone Western Plymouth Winds generally gusted 40 to 50 mph. In Hanover at 9:47 AM EST a man was killed when a tree fell on a small travel trailer on the 90 block of Industrial Way. The strongest recorded gust was 50 mph in Hanson. 43 kt wind 1 0 –
2018-03-02 High WindPlymouth County · forecast zone Western Plymouth At 6:13 AM EST a tree was down in Rockland across Salem Street near Union Street. At 8:35 AM EST a tree was down on Lake Street in Plympton. At 8:56 PM EST multiple trees and wires were reported down around East Bridgewater with some trees on top of houses. At 3:30 PM EST a tree fell on a car in a driveway on Cedar ... 54 kt wind 1 0 $53K
2010-09-08 LightningPlymouth County A 29 year old man was struck by lightning and killed while standing under a tree on Burial Hill in Plymouth. 1 0 –
1997-06-22 Thunderstorm WindHull, Plymouth County Peddocks Island 1 0 –
1996-05-21 Thunderstorm WindBrockton, Plymouth County 0 60 $7.5M
2005-06-26 LightningRockland, Plymouth County Scattered thunderstorms, with embedded severe thunderstorms, produced lightning and severe wind gusts that damaged property and brought down trees and power lines across Massachusetts. The hardest hit were Franklin, Hampshire, Worcester, Essex, and Plymouth counties. Various lightning strikes downed power lines and ... 0 15 –

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.

The costliest records in Plymouth County since 1993, damage in 2025 dollars
DateRecordCharacterKilledInjuredDamage
2010-03-14 FloodHanover, Plymouth County 0 0 $22M
2013-02-09 Coastal FloodPlymouth County · forecast zone Eastern Plymouth 0 0 $12M
2010-03-29 FloodStanley, Plymouth County 0 0 $11M
1996-05-21 Thunderstorm WindBrockton, Plymouth County 0 60 $7.5M
1996-01-07 Heavy SnowNorfolk County and Plymouth County · forecast zone Eastern Norfolk 0 0 $3.8M
1996-01-07 Heavy SnowPlymouth County · forecast zone Eastern Plymouth 0 0 $3.0M
2010-12-27 Coastal FloodPlymouth County · forecast zone Eastern Plymouth 0 0 $3.0M
1996-01-07 Heavy SnowPlymouth County · forecast zone Southern Plymouth 0 0 $2.3M

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: July 4, 1964 (tornado, Plymouth County); September 16, 1986 (tornado, Plymouth 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 Plymouth 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).

Plymouth County: records per decade (the 2020s to June 30, 2026)
Hazard1950s1960s1970s1980s1990s2000s2010s2020-26
High wind and dust storms––––213166222101
Winter storms––––7210311720
Severe thunderstorm wind067217485760
Floods––––7437830
Hail121012341517
Heavy rain––––41801

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 Plymouth County. The two busiest months are in violet.

The values, month by month

Jan 213 · Feb 189 · Mar 181 · Apr 101 · May 68 · Jun 88 · Jul 150 · Aug 113 · Sep 65 · Oct 173 · Nov 97 · Dec 195 (records).

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

Federal disaster declarations for Plymouth County

FEMA's register lists 32 declarations that include Plymouth County: 21 major disasters, 11 emergencies and 0 fire management assistance declarations. Most were for hurricane (9) and severe storm (7).

Declarations including Plymouth County, newest first
DeclaredNumberTypeTitle
2023-09-15EM-3599HurricaneHurricane Lee
2022-04-18DR-4651SnowstormSevere Winter Storm and Snowstorm
2020-03-27DR-4496BiologicalCovid-19 Pandemic
2020-03-13EM-3438BiologicalCovid-19
2018-06-25DR-4372Severe StormSevere Winter Storm and Flooding
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
2010-03-29DR-1895Severe StormSevere Storms and Flooding
2007-05-16DR-1701Severe StormSevere Storms and Inland and Coastal Flooding
2005-11-10DR-1614Severe StormSevere Storms and Flooding
2005-09-13EM-3252HurricaneHurricane Katrina Evacuation
2005-02-17EM-3201SnowstormRecord and/Or Near Record Snow
2004-01-15EM-3191SnowstormSnow
2003-03-11EM-3175SnowstormSnow
2001-04-10DR-1364Severe StormSevere Storms and Flooding
1998-06-23DR-1224FloodHeavy Rains and Flooding
1996-10-25DR-1142FloodExtreme Weather Conditons and Flooding
1996-10-23EM-3119FloodExtreme Weather Conditions and Flooding
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
1972-03-06DR-325FloodSevere Storms & 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 Plymouth County had?

NOAA's Storm Events Database holds 158 flood or flash flood records for Plymouth County from 1996 to 2025, on 121 days, with 0 deaths. By flood insurance claims since 1978 (OpenFEMA, as of September 8, 2026), Plymouth County ranks 49th of 2,942 U.S. counties. The 100 counties with the most claims

Named storms on Plymouth County's flood and tropical record
StormBeganRecordsDeaths in the county
Hurricane Sandy2012-10-2920
Hurricane Irene2011-08-2830

The National Flood Insurance Program has paid $153 million on 10,959 claims filed in Plymouth County; the most in one year was 3,227 in 1991. Claims count insured losses only: uninsured flood damage is not in this file.

The values, year by year

1978: 976 · 1979: 419 · 1980: 18 · 1981: 36 · 1982: 152 · 1983: 115 · 1984: 138 · 1985: 19 · 1986: 25 · 1987: 683 · 1988: 7 · 1989: 15 · 1990: 14 · 1991: 3,227 · 1992: 1,115 · 1993: 53 · 1994: 30 · 1995: 8 · 1996: 115 · 1997: 98 · 1998: 59 · 1999: 10 · 2000: 22 · 2001: 335 · 2002: 18 · 2003: 255 · 2004: 13 · 2005: 298 · 2006: 133 · 2007: 146 · 2008: 11 · 2009: 10 · 2010: 595 · 2011: 20 · 2012: 47 · 2013: 532 · 2014: 47 · 2015: 270 · 2016: 17 · 2017: 14 · 2018: 731 · 2019: 7 · 2020: 4 · 2021: 39 · 2022: 14 · 2023: 8 · 2024: 31 · 2025: 7 · 2026: 3.

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 Plymouth County

FEMA's National Risk Index rates Plymouth County Relatively Moderate overall, with an expected annual loss of $114 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 Plymouth County (December 2025 release), by FEMA's rating, then score
HazardRisk ratingExpected annual lossModeled frequency
Coastal FloodingVery High$14M7.1 a year (modeled)
Strong WindRelatively High$3.2Monce in about 2 years (modeled)
LightningRelatively High$1.6M19 a year (modeled)
Ice StormRelatively High$690Konce in about 2 years (modeled)
Riverine FloodingRelatively Moderate$71M2.3 a year (modeled)
HurricaneRelatively Moderate$11Monce in about 6 years (modeled)
Heat WaveRelatively Moderate$2.5M5.1 modeled event-days a year
DroughtRelatively Moderate$690K3.1 modeled event-days a year

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

Counties that share a border with Plymouth County

  1. Plymouth County 1,633
  2. Norfolk County 1,321
  3. Bristol County 1,151
  4. Barnstable County 755
  5. Suffolk County 643

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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