Charles County, Maryland

County storm and disaster record · FIPS 24017 · population 166,485 · 458 sq mi

NOAA's Storm Events Database holds 1,022 records for Charles County, Maryland from 1950 through June 30, 2026, on 638 days; the most frequent are severe thunderstorm wind events (457 records). The deadliest single record is the April 28, 2002 tornado: 1 death, 122 injuries and $187 million in damage in 2025 dollars. FEMA has issued 24 declarations naming the county since 1972, 22 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
1,022on 638 days, 1950 to June 30, 2026
Deaths recorded
2165 injuries
Damage, 2025 dollars
$223Mas filed (scale steps before 1993)
Tornadoes
28strongest F4
FEMA declarations
24latest 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 Charles County most?

The most frequent records are severe thunderstorm wind events: 457 since 1958. 56% of its severe thunderstorm wind events since 1958 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.

Charles County: records by hazard, 1950 to June 30, 2026
HazardRecordsDaysFirst, lastKilledInjuredDamageRank in state
Severe thunderstorm wind 457 246 1958-2026 1 2 $9.8M 9 of 23
Winter storms 121 119 1996-2026 0 0 $7K 18 of 23
Hail 97 51 1957-2026 0 0 $1.2M 10 of 23
Floods 90 53 1998-2025 0 0 $887K 14 of 23
Heat 79 79 1996-2025 0 0 – 9 of 23
Fog, smoke and funnel clouds 46 44 1997-2021 0 0 – 13 of 23
Extreme cold 34 33 1998-2026 0 0 $5K 17 of 23
Tornadoes 28 25 1973-2022 1 122 $193M 4 of 23
High wind and dust storms 25 25 1997-2026 0 0 $1.8M 17 of 23
Heavy rain 19 19 1997-2006 0 0 – 16 of 23
Drought 12 12 1998-2007 0 0 $3.0M 12 of 23
Lightning 7 7 1996-2008 0 0 $139K 16 of 23
Hurricanes and tropical storms 6 6 1996-2020 0 41 $14M 12 of 23
Rip currents and high surf 1 1 2008-2008 0 0 $41K 9 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 Charles County had?

NOAA records 28 tornadoes in Charles County from 1973 to 2022, the strongest rated F4, with 1 death and 122 injuries recorded in the county. That is 4th of 23 Maryland 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 32 tornadoes whose track touched Charles County since 1950 (NOAA's county records number 28: they file a crossing tornado once per county segment, and the two databases differ on some tracks); along their whole tracks they killed 3 people, 1 of them in Charles County.

The deadliest and strongest tornadoes that touched Charles County, whole tracks
DateTornadoRatingPathKilled
2002-04-28 16:56, as SPC files itLa PlataF438 mi3

Map of the strongest tornado tracks in Maryland.

Every tornado record filed for Charles County (28)
Every tornado recorded in Charles County, newest first
DatePlaceCharacterKilledInjuredDamage
2022-05-27 Loves, Charles County EF0 1.32 mi x 100 yd 0 0 $10K
2017-02-25 La Plata, Charles County EF1 8.44 mi x 125 yd 0 0 –
2015-06-27 Issue, Charles County EF0 3.89 mi x 800 yd 0 0 $4K
2015-06-27 Morgantown, Charles County EF1 2.02 mi x 100 yd 0 0 $623K
2011-09-07 Wicomico, Charles County EF0 1.4 mi x 50 yd 0 0 $7K
2011-04-05 Mattawoman, Charles County EF0 0.09 mi x 50 yd 0 0 $7K
2010-12-01 Berry, Charles County EF0 2.31 mi x 50 yd 0 0 $14K
2008-04-20 Beantown, Charles County EF0 1.7 mi x 100 yd 0 0 $69K
2004-09-17 Maryland Pt, Charles County F0 3 mi x 100 yd 0 0 $16K
2004-09-08 La Plata, Charles County F1 5 mi x 150 yd 0 0 $102K
2004-06-17 La Plata, Charles County F0 0.3 mi x 75 yd 0 0 –
2003-03-29 La Plata, Charles County F0 0.1 mi x 30 yd 0 0 –
2003-03-29 La Plata, Charles County F0 0.1 mi x 30 yd 0 0 –
2002-05-18 Faulkner, Charles County F1 5 mi x 50 yd 0 0 $33K
2002-04-28 La Plata, Charles County F2 3 mi x 100 yd 0 0 $1.6M
2002-04-28 Rison, Charles County F4 24 mi x 650 yd 1 122 $187M
2001-05-26 Newburg, Charles County F0 1.2 mi x 40 yd 0 0 $25K
2001-05-25 Waldorf, Charles County F1 2.7 mi x 100 yd 0 0 $833K
2001-05-22 Cobb Is, Charles County F1 1.8 mi x 100 yd 0 0 $50K
1996-07-15 Bel Alton, Charles County F0 0.3 mi x 25 yd 0 0 $26K
1996-07-13 Hughesville, Charles County F1 0.3 mi x 35 yd 0 0 $282K
1995-10-05 Ironside/Grayton, Charles County F1 1.5 mi x 100 yd 0 0 $19K
1979-09-05 Charles County F0 0.2 mi x 17 yd 0 0 $25K step
1978-06-20 Charles County F2 1 mi x 50 yd 0 0 $25K step
1975-07-13 Charles County F1 0.8 mi x 200 yd 0 0 $250K step
1975-06-05 Charles County F0 0 0 $3K step
1974-01-28 Charles County F1 0 0 $3K step
1973-04-01 Charles County F1 0.5 mi x 20 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 Charles County?

The most recent record with damage, injuries or deaths is the June 26, 2026 thunderstorm wind ($2,000 in damage in 2025 dollars).

The 12 most recent records kept for Charles County
DateRecordCharacterKilledInjuredDamage
2026-06-26 Thunderstorm WindIronsides, Charles County 52 kt wind 0 0 $2K
2026-06-22 Thunderstorm WindBeantown, Charles County 52 kt wind 0 0 $10K
2026-06-22 Thunderstorm WindSt Charles, Charles County 56 kt wind 0 0 $100K
2026-06-22 Thunderstorm WindSt Charles, Charles County 52 kt wind 0 0 $100K
2026-06-22 Thunderstorm WindSt Charles, Charles County 52 kt wind 0 0 $20K
2026-06-22 Thunderstorm WindSt Charles, Charles County 52 kt wind 0 0 $10K
2026-06-22 Thunderstorm WindMattawoman, Charles County 56 kt wind 0 0 $25K
2026-06-22 Thunderstorm WindMc Conchie, Charles County 52 kt wind 0 0 $1K
2026-06-22 Thunderstorm WindPort Tobacco, Charles County 61 kt wind 0 0 $25K
2026-06-14 Thunderstorm WindCobb Is, Charles County 52 kt wind 0 0 $1K
2026-06-14 HailPisgah, Charles County 1.25 in hail 0 0 –
2026-06-14 Thunderstorm WindPomfret, Charles County 56 kt wind 0 0 $50K

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 Charles County, most deaths first
DateRecordCharacterKilledInjuredDamage
2002-04-28 TornadoRison, Charles County A destructive tornado crossed the county from just north of Rison, through La Plata, to Benedict before moving into Calvert County. F4 24 mi x 650 yd 1 122 $187M
2000-06-15 Thunderstorm WindLa Plata, Charles County A boater drowned on the Potomac River after his craft was overturned by high winds and waves. 1 0 $9K
2003-09-18 Tropical StormCharles County · forecast zone Charles On September 18, 2003, Hurricane Isabel made landfall on the North Carolina Coast. Its huge wind field was already piling water up into the southern Chesapeake Bay. By the time Isabel moved into central Virginia, it had weakened and was downgraded to a tropical storm. Isabel's eye tracked well west of the bay, but the ... 0 41 $9.2M
2016-07-18 Thunderstorm WindGallant Green, Charles County Large tree limb fell onto a house in the 15000 Block of Woodville Road. 50 kt wind 0 1 –
2002-06-16 Thunderstorm WindWhite Plains, Charles County A tree limb fell onto a person at a golf course. 0 1 $164
The costliest records in Charles County since 1993, damage in 2025 dollars
DateRecordCharacterKilledInjuredDamage
2002-04-28 TornadoRison, Charles County F4 24 mi x 650 yd 1 122 $187M
2003-09-18 Tropical StormCharles County · forecast zone Charles 0 41 $9.2M
2023-07-29 Thunderstorm WindSt Charles, Charles County 70 kt wind 0 0 $4.8M
1996-09-06 Storm Surge/TideAlong The Potomac, Charles County 0 0 $3.0M
2011-08-27 Tropical StormCharles County · forecast zone Charles 0 0 $1.7M
2002-04-28 TornadoLa Plata, Charles County F2 3 mi x 100 yd 0 0 $1.6M
2012-10-29 High WindCharles County · forecast zone Charles 52 kt wind 0 0 $1.2M
2010-05-14 HailWaldorf, Charles County 1.75 in hail 0 0 $1.0M

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 13, 1975 (tornado, Charles 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 Charles 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).

Charles County: records per decade (the 2020s to June 30, 2026)
Hazard1950s1960s1970s1980s1990s2000s2010s2020-26
Severe thunderstorm wind311184399171121
Winter storms––––12326017
Hail310411402513
Floods––––6103935
Heat––––8173717
Fog, smoke and funnel clouds––––113248

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

What time of year?

56% of its severe thunderstorm wind events since 1958 fell in June and July. The two busiest months are in violet.

The values, month by month

Jan 73 · Feb 70 · Mar 61 · Apr 78 · May 112 · Jun 175 · Jul 212 · Aug 102 · Sep 47 · Oct 28 · Nov 27 · Dec 37 (records).

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

Federal disaster declarations for Charles County

FEMA's register lists 24 declarations that include Charles County: 17 major disasters, 7 emergencies and 0 fire management assistance declarations. Most were for snowstorm (7) and hurricane (7).

Declarations including Charles County, newest first
DeclaredNumberTypeTitle
2026-01-24EM-3634Winter StormSevere Winter Storm
2020-03-26DR-4491BiologicalCovid-19 Pandemic
2020-03-13EM-3430BiologicalCovid-19
2016-03-04DR-4261SnowstormSevere Winter Storm and Snowstorm
2012-11-20DR-4091HurricaneHurricane Sandy
2012-10-28EM-3349HurricaneHurricane Sandy
2012-08-02DR-4075Severe StormSevere Storms and Straight-Line Winds
2011-10-05DR-4038FloodRemnants of Tropical Storm Lee
2011-09-16DR-4034HurricaneHurricane Irene
2011-08-27EM-3335HurricaneHurricane Irene
2010-05-06DR-1910SnowstormSevere Winter Storms and Snowstorms
2010-02-19DR-1875SnowstormSevere Winter Storm and Snowstorm
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
1999-09-24DR-1303HurricaneHurricane Floyd Major Disaster Declarations
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
1975-10-04DR-489FloodHeavy Rains & Flooding
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 Charles County had?

NOAA's Storm Events Database holds 90 flood or flash flood records for Charles County from 1998 to 2025, on 53 days, with 0 deaths. By flood insurance claims since 1978 (OpenFEMA, as of September 8, 2026), Charles County ranks 656th of 2,942 U.S. counties.

Named storms on Charles County's flood and tropical record
StormBeganRecordsDeaths in the county
Hurricane Irene2011-08-2710
Hurricane Isabel2003-09-1810

The National Flood Insurance Program has paid $6.5 million on 361 claims filed in Charles County; the most in one year was 90 in 2003. Claims count insured losses only: uninsured flood damage is not in this file.

The values, year by year

1978: 1 · 1979: 5 · 1982: 2 · 1983: 4 · 1984: 4 · 1985: 9 · 1986: 1 · 1987: 1 · 1989: 1 · 1994: 4 · 1996: 16 · 1998: 1 · 1999: 6 · 2003: 90 · 2004: 2 · 2006: 36 · 2007: 2 · 2008: 13 · 2009: 4 · 2010: 5 · 2011: 49 · 2012: 8 · 2013: 3 · 2014: 12 · 2015: 3 · 2016: 5 · 2017: 2 · 2018: 30 · 2019: 8 · 2020: 11 · 2021: 15 · 2022: 2 · 2023: 2 · 2024: 4; 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 Charles County

FEMA's National Risk Index rates Charles County Relatively Low overall, with an expected annual loss of $22.5 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 Charles County (December 2025 release), by FEMA's rating, then score
HazardRisk ratingExpected annual lossModeled frequency
Heat WaveRelatively Moderate$2.3M6.2 modeled event-days a year
Strong WindRelatively Moderate$1.9M6.2 a year (modeled)
LightningRelatively Moderate$924K40 a year (modeled)
DroughtRelatively Moderate$965K2.9 modeled event-days a year
Winter WeatherRelatively Moderate$218K7.9 a year (modeled)
HurricaneRelatively Low$2.4Monce in about 11 years (modeled)
EarthquakeRelatively Low$1.2Monce in about 683 years (modeled)
Coastal FloodingRelatively Low$274K3.7 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 Charles County

  1. Fairfax County, VA 2,129
  2. Prince George's County 1,352
  3. Prince William County, VA 1,183
  4. St. Mary's County 1,060
  5. Charles County 1,022
  6. Calvert County 774
  7. Stafford County, VA 636
  8. King George County, VA 544
  9. Westmoreland County, VA 332

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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