Dorchester County, Maryland

County storm and disaster record · FIPS 24019 · population 32,513 · 541 sq mi

NOAA's Storm Events Database holds 446 records for Dorchester County, Maryland from 1950 through June 30, 2026, on 337 days; the most frequent are severe thunderstorm wind events (143 records). The deadliest single record is the May 8, 1984 tornado: 1 death and 6 injuries. FEMA has issued 20 declarations naming the county since 1972, 18 of them for natural hazards; the latest for a natural hazard was “Severe Winter Storm” on January 24, 2026.

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
446on 337 days, 1950 to June 30, 2026
Deaths recorded
218 injuries
Damage, 2025 dollars
$30Mas filed (scale steps before 1993)
Tornadoes
14strongest F3
FEMA declarations
20latest 2026

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 Dorchester County most?

The most frequent records are severe thunderstorm wind events: 143 since 1968. 57% of its severe thunderstorm wind events since 1968 fell in June and July. The rank column places the county among Maryland's counties by days with a record per 1,000 square miles of land over each hazard's complete period.

Dorchester County: records by hazard, 1950 to June 30, 2026
HazardRecordsDaysFirst, lastKilledInjuredDamageRank in state
Severe thunderstorm wind 143 110 1968-2026 0 2 $2.5M 20 of 23
Winter storms 89 88 1996-2026 0 0 $38K 22 of 23
Floods 84 61 1996-2025 0 0 $2.7M 16 of 23
Hail 39 24 1958-2025 0 0 $3K 21 of 23
Heavy rain 35 26 1998-2023 0 0 – 15 of 23
High wind and dust storms 15 13 2006-2026 0 0 $1.6M 21 of 23
Tornadoes 14 13 1984-2025 1 16 $15M 15 of 23
Hurricanes and tropical storms 11 11 1996-2023 0 0 $3.4M 6 of 23
Heat 5 5 1996-2025 1 0 – 21 of 23
Extreme cold 4 4 1996-2016 0 0 – 23 of 23
Lightning 4 3 2008-2020 0 0 $292K 21 of 23
Fog, smoke and funnel clouds 2 2 1999-2025 0 0 $9K 20 of 23
Drought 1 1 1998-1998 0 0 $3.6M 21 of 23

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 Dorchester County had?

NOAA records 14 tornadoes in Dorchester County from 1984 to 2025, the strongest rated F3, with 1 death and 16 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 14 tornadoes whose track touched Dorchester County since 1950 (NOAA's county records number 14, the same count); along their whole tracks they killed 1 person.

The deadliest and strongest tornadoes that touched Dorchester County, whole tracks
DateTornadoRatingPathKilled
1984-05-08 16:05, as SPC files itBridgevilleCrossed DE, MDF118 mi1
2002-04-28 17:55, as SPC files itUnnamedF318 mi0

Map of the strongest tornado tracks in Maryland.

Every tornado record filed for Dorchester County (14)
Every tornado recorded in Dorchester County, newest first
DatePlaceCharacterKilledInjuredDamage
2025-05-16 Rhodesdale, Dorchester County EF1 7 mi x 600 yd 0 0 $50K
2021-09-01 Elwood, Dorchester County EF0 3.82 mi x 50 yd 0 0 $38K
2019-04-15 Finchville, Dorchester County EF0 0.5 mi x 100 yd 0 0 $17K
2009-07-24 Elliott, Dorchester County EF0 0.26 mi x 25 yd 0 2 $14K
2004-10-16 Cambridge, Dorchester County F0 0.5 mi x 25 yd 0 0 $3K
2004-09-30 Honga, Dorchester County F0 0.8 mi x 30 yd 0 0 –
2003-10-14 Cambridge, Dorchester County F1 4 mi x 150 yd 0 0 $802K
2003-09-02 Church Creek, Dorchester County F0 0.2 mi x 50 yd 0 0 –
2002-04-28 Taylors Is, Dorchester County F3 18 mi x 150 yd 0 0 $246K
2001-07-04 Madison, Dorchester County F1 0.5 mi x 50 yd 0 0 $33K
1996-07-13 Madison, Dorchester County F0 0.5 mi x 50 yd 0 0 $75K
1992-08-28 Dorchester County F0 0.1 mi x 7 yd 0 0 –
1984-05-08 Dorchester County F1 12 mi x 100 yd 1 6 $2.5M step
1984-05-08 Dorchester County F1 12 mi x 150 yd 0 8 $2.5M 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 Dorchester County?

The most recent record with damage, injuries or deaths is the June 22, 2026 thunderstorm wind ($1,000 in damage in 2025 dollars).

The 12 most recent records kept for Dorchester County
DateRecordCharacterKilledInjuredDamage
2026-06-22 Thunderstorm WindCabin Creek, Dorchester County 50 kt wind 0 0 $1K
2026-06-22 Thunderstorm WindHurlock, Dorchester County 50 kt wind 0 0 $1K
2026-06-22 Thunderstorm WindSecretary, Dorchester County 50 kt wind 0 0 $1K
2026-06-14 Thunderstorm WindCambridge Airport, Dorchester County 50 kt wind 0 0 $1K
2026-03-16 Thunderstorm WindLinkwood, Dorchester County 58 kt wind 0 0 –
2026-02-22 Heavy SnowDorchester County · forecast zone Dorchester 0 0 –
2026-02-22 BlizzardDorchester County · forecast zone Dorchester 0 0 –
2026-02-07 High WindDorchester County · forecast zone Dorchester 60 kt wind 0 0 –
2026-01-24 Winter StormDorchester County · forecast zone Dorchester 0 0 –
2025-10-29 Coastal FloodDorchester County · forecast zone Dorchester 0 0 –
2025-10-18 Coastal FloodDorchester County · forecast zone Dorchester 0 0 –
2025-10-12 Coastal FloodDorchester County · forecast zone Dorchester 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 Dorchester County, most deaths first
DateRecordCharacterKilledInjuredDamage
1984-05-08 TornadoDorchester County F1 12 mi x 100 yd 1 6 $2.5M step
2002-07-20 HeatDorchester County · forecast zone Dorchester High temperatures reached the lower 90s. Heat related death of a man, found inside residence where the temperature was 100 degrees. 1 0 –
1984-05-08 TornadoDorchester County F1 12 mi x 150 yd 0 8 $2.5M step
2009-07-24 TornadoElliott, Dorchester County An apparent waterspout moved on shore. The tornado then overturned a 24 foot travel trailer 3 times at the extreme west end of Elliott Island. There was also some damage to trees and other vegetation. Winds were estimated at the high end of an EF0. EF0 0.26 mi x 25 yd 0 2 $14K
2001-07-05 Thunderstorm WindCambridge, Dorchester County Tree down on a car. 0 1 $5K
1990-07-05 Thunderstorm WindDorchester County 0 1 –

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 Dorchester County since 1993, damage in 2025 dollars
DateRecordCharacterKilledInjuredDamage
2003-09-18 Tropical StormDorchester County · forecast zone Dorchester 0 0 $2.2M
2012-02-24 Thunderstorm WindCambridge, Dorchester County 74 kt wind 0 0 $1.3M
2021-10-28 Coastal FloodDorchester County · forecast zone Dorchester 0 0 $1.1M
2012-10-29 Coastal FloodDorchester County · forecast zone Dorchester 0 0 $964K
2003-10-14 TornadoCambridge, Dorchester County F1 4 mi x 150 yd 0 0 $802K
2011-08-27 Tropical StormDorchester County · forecast zone Dorchester 0 0 $787K
2000-05-13 Thunderstorm WindCambridge, Dorchester County 0 0 $514K
2012-12-21 Coastal FloodDorchester County · forecast zone Dorchester 0 0 $257K

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 $2.5M, in the dollars of the day) holds: May 8, 1984 (tornado, Dorchester County, 1 killed); May 8, 1984 (tornado, Dorchester 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 Dorchester 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).

Dorchester County: records per decade (the 2020s to June 30, 2026)
Hazard1950s1960s1970s1980s1990s2000s2010s2020-26
Severe thunderstorm wind018517284440
Winter storms––––9323414
Floods––––191955
Hail1000715214
Heavy rain––––231515
High wind and dust storms––––0456

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

What time of year?

57% of its severe thunderstorm wind events since 1968 fell in June and July. The two busiest months are in violet.

The values, month by month

Jan 43 · Feb 42 · Mar 30 · Apr 22 · May 47 · Jun 54 · Jul 83 · Aug 36 · Sep 28 · Oct 32 · Nov 8 · Dec 21 (records).

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

Federal disaster declarations for Dorchester County

FEMA's register lists 20 declarations that include Dorchester County: 13 major disasters, 7 emergencies and 0 fire management assistance declarations. Most were for hurricane (7) and snowstorm (5).

Declarations including Dorchester County, newest first
DeclaredNumberTypeTitle
2026-01-24EM-3634Winter StormSevere Winter Storm
2021-02-04DR-4583HurricaneTropical Storm Isaias
2020-03-26DR-4491BiologicalCovid-19 Pandemic
2020-03-13EM-3430BiologicalCovid-19
2012-11-20DR-4091HurricaneHurricane Sandy
2012-10-28EM-3349HurricaneHurricane Sandy
2011-09-16DR-4034HurricaneHurricane Irene
2011-08-27EM-3335HurricaneHurricane Irene
2010-05-06DR-1910SnowstormSevere Winter Storms and Snowstorms
2006-07-02DR-1652Severe StormSevere Storms, Flooding, and Tornadoes
2005-09-13EM-3251HurricaneHurricane Katrina Evacuation
2003-09-19DR-1492HurricaneHurricane Isabel
2003-03-14EM-3179Severe StormSnow
2002-05-01DR-1409TornadoTornado
2000-04-10DR-1324Severe StormSevere Winter Storm
1996-01-11DR-1081SnowstormBlizzard of 96 (Severe Snow Storm)
1994-03-16DR-1016SnowstormSevere Winter Weather and Ice Storms
1993-03-16EM-3100SnowstormSevere Snowfall & Winter Storm
1977-01-26DR-524SnowstormIce Conditions
1972-06-23DR-341FloodTropical Storm Agnes

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 Dorchester County had?

NOAA's Storm Events Database holds 84 flood or flash flood records for Dorchester County from 1996 to 2025, on 61 days, with 0 deaths. By flood insurance claims since 1978 (OpenFEMA, as of September 8, 2026), Dorchester County ranks 301st of 2,942 U.S. counties.

Named storms on Dorchester County's flood and tropical record
StormBeganRecordsDeaths in the county
Tropical Storm Isaias2020-08-0410
Hurricane Sandy2012-10-2910
Hurricane Irene2011-08-2710
Hurricane Isabel2003-09-1810

The National Flood Insurance Program has paid $21.7 million on 1,142 claims filed in Dorchester County; the most in one year was 706 in 2003. Claims count insured losses only: uninsured flood damage is not in this file.

The values, year by year

1978: 1 · 1979: 8 · 1983: 1 · 1985: 19 · 1987: 1 · 1989: 1 · 1991: 6 · 1992: 1 · 1993: 2 · 1994: 1 · 1995: 1 · 1996: 71 · 1997: 1 · 1998: 3 · 1999: 8 · 2001: 1 · 2003: 706 · 2004: 8 · 2005: 3 · 2006: 9 · 2008: 4 · 2010: 5 · 2011: 25 · 2012: 27 · 2013: 2 · 2014: 2 · 2015: 1 · 2016: 2 · 2017: 1 · 2018: 5 · 2019: 17 · 2020: 8 · 2021: 120 · 2022: 4 · 2023: 6 · 2024: 52 · 2025: 8 · 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 Dorchester County

FEMA's National Risk Index rates Dorchester County Relatively Low overall, with an expected annual loss of $15.7 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 Dorchester County (December 2025 release), by FEMA's rating, then score
HazardRisk ratingExpected annual lossModeled frequency
Coastal FloodingRelatively High$5.8M3.6 a year (modeled)
HurricaneRelatively Moderate$3.5Monce in about 6 years (modeled)
DroughtRelatively Moderate$887K3.4 modeled event-days a year
WildfireRelatively Low$517Konce in about 286 years (modeled)
Heat WaveRelatively Low$587K4.2 modeled event-days a year
Ice StormRelatively Low$62Konce in about 2 years (modeled)
Winter WeatherRelatively Low$48K5.9 a year (modeled)
Cold WaveRelatively Low$687K1.1 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 Dorchester County

  1. Sussex County, DE 2,155
  2. St. Mary's County 1,060
  3. Talbot County 814
  4. Calvert County 774
  5. Caroline County 747
  6. Dorchester County 446
  7. Wicomico County 436
  8. Somerset County 293

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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