Chester County, South Carolina

County storm and disaster record · FIPS 45023 · population 32,263 · 581 sq mi

NOAA's Storm Events Database holds 433 records for Chester County, South Carolina from 1950 through June 30, 2026, on 341 days; the most frequent are severe thunderstorm wind events (197 records). The deadliest single record is the April 16, 1994 tornado: 1 death, 4 injuries and $10.0 million in damage in 2025 dollars. FEMA has issued 23 declarations naming the county since 1977, 21 of them for natural hazards; the latest for a natural hazard was “Severe Winter Storm” on January 23, 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
433on 341 days, 1950 to June 30, 2026
Deaths recorded
27 injuries
Damage, 2025 dollars
$92Mas filed (scale steps before 1993)
Tornadoes
19strongest F2
FEMA declarations
23latest 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 Chester County most?

The most frequent records are severe thunderstorm wind events: 197 since 1956. 47% of its severe thunderstorm wind events since 1956 fell in June and July. The rank column places the county among South Carolina's counties by days with a record per 1,000 square miles of land over each hazard's complete period.

Chester County: records by hazard, 1950 to June 30, 2026
HazardRecordsDaysFirst, lastKilledInjuredDamageRank in state
Severe thunderstorm wind 197 165 1956-2026 0 2 $876K 37 of 46
Hail 94 77 1963-2025 0 0 – 21 of 46
Winter storms 46 45 1996-2026 0 0 $12M 9 of 46
Drought 34 34 1998-2026 0 0 – 8 of 46
Tornadoes 19 17 1955-2023 1 4 $19M 34 of 46
Floods 13 11 1997-2020 0 1 $203K 34 of 46
Extreme cold 8 8 1996-2026 0 0 $60M 11 of 46
High wind and dust storms 8 8 1996-2024 0 0 $43K 30 of 46
Heat 4 4 2012-2012 0 0 – 16 of 46
Fog, smoke and funnel clouds 4 4 1998-2000 0 0 – 14 of 46
Heavy rain 3 3 2008-2010 0 0 – 24 of 46
Hurricanes and tropical storms 2 2 2018-2024 0 0 $470K 39 of 46
Lightning 1 1 2020-2020 1 0 – 44 of 46

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 Chester County had?

NOAA records 19 tornadoes in Chester County from 1955 to 2023, the strongest rated F2, with 1 death and 4 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 17 tornadoes whose track touched Chester County since 1950 (NOAA's county records number 19: 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 Chester County, whole tracks
DateTornadoRatingPathKilled
1994-04-15 23:11, as SPC files itLowrysF23 mi1

Map of the strongest tornado tracks in South Carolina.

Every tornado record filed for Chester County (19)
Every tornado recorded in Chester County, newest first
DatePlaceCharacterKilledInjuredDamage
2023-11-21 Leeds, Chester County EF0 0.04 mi x 20 yd 0 0 –
2022-05-23 Beckhamville, Chester County EF0 0.45 mi x 25 yd 0 0 –
2020-05-05 Beckhamville, Chester County EF1 9.02 mi x 200 yd 0 0 $114K
2020-05-05 Mc Keown, Chester County EF1 4.57 mi x 100 yd 0 0 $29K
2011-11-16 Dinber, Chester County EF1 1.39 mi x 100 yd 0 0 $26K
2008-08-26 Cornwell, Chester County EF0 0.1 mi x 20 yd 0 0 –
2008-08-26 Ft Lawn, Chester County EF0 0.1 mi x 20 yd 0 0 –
2004-09-07 Chester County F1 0.5 mi x 50 yd 0 0 $156K
1998-06-04 Chester County F0 0.1 mi x 50 yd 0 0 –
1997-07-24 Ft Lawn, Chester County F1 0.1 mi x 25 yd 0 0 $28K
1996-05-29 Richburg, Chester County F1 1 mi x 100 yd 0 0 $38K
1995-11-07 McBee, Chester County 0 0 –
1995-10-05 McBee, Chester County 0 0 –
1995-05-01 Chester 9 Wnw, Chester County F0 0.2 mi x 20 yd 0 0 $10K
1994-08-16 Chester County F1 0.25 mi x 75 yd 0 0 –
1994-04-16 Lowrys, Chester County F2 3 mi x 75 yd 1 4 $10.0M
1981-04-19 Chester County F1 2 mi x 33 yd 0 0 $2.5M step
1975-05-15 Chester County F1 0.1 mi x 3 yd 0 0 $3K step
1955-04-06 Chester County F1 1.5 mi x 100 yd 0 0 $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 Chester County?

The most recent record with damage, injuries or deaths is the April 22, 2025 thunderstorm wind ($100,000 in damage in 2025 dollars).

The 12 most recent records kept for Chester County
DateRecordCharacterKilledInjuredDamage
2026-06-28 Thunderstorm WindLando, Chester County 50 kt wind 0 0 –
2026-06-01 Thunderstorm WindAirlee, Chester County 55 kt wind 0 0 –
2026-05-01 DroughtChester County · forecast zone Chester 0 0 –
2026-04-01 DroughtChester County · forecast zone Chester 0 0 –
2026-03-16 Thunderstorm WindBlackstock, Chester County 50 kt wind 0 0 –
2026-02-01 Cold/Wind ChillChester County · forecast zone Chester 0 0 –
2026-01-31 Heavy SnowChester County · forecast zone Chester 0 0 –
2026-01-25 Winter StormChester County · forecast zone Chester 0 0 –
2025-04-22 HailRichburg, Chester County 0.75 in hail 0 0 –
2025-04-22 Thunderstorm WindFt Lawn, Chester County 55 kt wind 0 0 $100K
2025-04-22 Thunderstorm WindRichburg, Chester County 50 kt wind 0 0 –
2025-03-31 Thunderstorm WindChester County 50 kt wind 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 Chester County, most deaths first
DateRecordCharacterKilledInjuredDamage
1994-04-16 TornadoLowrys, Chester County A short-lived, but intense, mesocyclone developed along a squall line ahead of a cold front at about 0045 EST and moved into western Chester County. The mesocyclone intensified within a matter of 10 to 20 minutes into a F2 tornado that touched down four miles southwest of Lowrys and moved four miles to near Lowrys ... F2 3 mi x 75 yd 1 4 $10.0M
2020-05-05 LightningChester County County comms reported a 32-year-old man was struck and killed by lightning when getting out of his vehicle on York St. 1 0 –
1997-07-23 Flash FloodFt Lawn, Chester County The remnants of Hurricane Danny moved out of northeast Georgia and across the Upstate from the late afternoon on the 23rd through the early morning of the 24th. Two weak, short-lived tornadoes were spawned. One in Abbeville county downed trees and power lines. Another tornado, this one a little stronger, moved across ... 0 1 $79K
1994-06-22 Thunderstorm WindWest Of Pageland, Chester County A woman near Pageland talking on the phone was injured by lightning, and several trees down. A mobile home was overturned by the wind injuring the occupant. A nearby shop building was heavily damaged by the wind. 0 1 $100K
1989-06-20 Thunderstorm WindChester County 0 1 –
The costliest records in Chester County since 1993, damage in 2025 dollars
DateRecordCharacterKilledInjuredDamage
1994-04-16 TornadoLowrys, Chester County F2 3 mi x 75 yd 1 4 $10.0M
2024-09-27 Tropical StormChester County · forecast zone Chester 0 0 $470K
2020-05-05 TornadoBeckhamville, Chester County EF1 9.02 mi x 200 yd 0 0 $114K
2005-07-27 Thunderstorm WindChester County 65 kt wind 0 0 $113K
2025-04-22 Thunderstorm WindFt Lawn, Chester County 55 kt wind 0 0 $100K
1994-06-22 Thunderstorm WindWest Of Pageland, Chester County 0 1 $100K
1997-07-23 Flash FloodFt Lawn, Chester County 0 1 $79K
2000-08-24 Thunderstorm WindLowrys, Chester County 65 kt wind 0 0 $43K

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: April 19, 1981 (tornado, Chester 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 Chester 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).

Chester County: records per decade (the 2020s to June 30, 2026)
Hazard1950s1960s1970s1980s1990s2000s2010s2020-26
Severe thunderstorm wind2151328635728
Hail02182038205
Winter storms––––620155
Drought––––62602
Tornadoes10118314
Floods––––2821

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

What time of year?

47% of its severe thunderstorm wind events since 1956 fell in June and July. The two busiest months are in violet.

The values, month by month

Jan 32 · Feb 17 · Mar 29 · Apr 48 · May 71 · Jun 81 · Jul 61 · Aug 43 · Sep 16 · Oct 5 · Nov 15 · Dec 15 (records).

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

Federal disaster declarations for Chester County

FEMA's register lists 23 declarations that include Chester County: 9 major disasters, 14 emergencies and 0 fire management assistance declarations. Most were for hurricane (12) and severe storm (3).

Declarations including Chester County, newest first
DeclaredNumberTypeTitle
2026-01-23EM-3632Winter StormSevere Winter Storm
2024-09-29DR-4829HurricaneHurricane Helene
2024-09-26EM-3619Tropical StormHurricane Helene
2024-08-05EM-3606Tropical StormHurricane Debby
2023-08-31EM-3597HurricaneHurricane Idalia
2022-11-21DR-4677HurricaneHurricane Ian
2022-09-29EM-3585HurricaneHurricane Ian
2020-03-27DR-4492BiologicalCovid-19 Pandemic
2020-03-17DR-4479Severe StormSevere Storms, Tornadoes, Straight-Line Winds, and Flooding
2020-03-13EM-3470BiologicalCovid-19
2019-09-01EM-3421HurricaneHurricane Dorian
2018-09-10EM-3400HurricaneHurricane Florence
2017-10-16DR-4346HurricaneHurricane Irma
2017-09-07EM-3386HurricaneHurricane Irma
2016-10-06EM-3378HurricaneHurricane Matthew
2015-10-03EM-3373Severe StormSevere Storms and Flooding
2014-02-12EM-3369Severe Ice StormSevere Winter Storm
2005-09-10EM-3233HurricaneHurricane Katrina Evacuation
2004-10-07DR-1566HurricaneTropical Storm Frances
2004-02-13DR-1509Severe Ice StormSevere Ice Storm
2000-01-31DR-1313Severe StormSevere Winter Storm
1989-09-22DR-843HurricaneHurricane Hugo
1977-08-04EM-3047DroughtDrought

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 Chester County had?

NOAA's Storm Events Database holds 13 flood or flash flood records for Chester County from 1997 to 2020, on 11 days, with 0 deaths. By flood insurance claims since 1978 (OpenFEMA, as of September 8, 2026), Chester County ranks 2436th of 2,942 U.S. counties.

Named storms on Chester County's flood and tropical record
StormBeganRecordsDeaths in the county
Hurricane Helene2024-09-2710

The National Flood Insurance Program has paid $89,000 on 8 claims filed in Chester County; the most in one year was 2 in 2013. Claims count insured losses only: uninsured flood damage is not in this file.

The values, year by year

1989: 1 · 1997: 1 · 2005: 1 · 2013: 2 · 2015: 1 · 2024: 1 · 2025: 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 Chester County

FEMA's National Risk Index rates Chester County Relatively Low overall, with an expected annual loss of $10.8 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 Chester County (December 2025 release), by FEMA's rating, then score
HazardRisk ratingExpected annual lossModeled frequency
Ice StormRelatively High$394K1.9 a year (modeled)
LightningRelatively Moderate$498K53 a year (modeled)
TornadoRelatively Moderate$2.4Monce in about 2 years (modeled)
Cold WaveRelatively Moderate$1.5Monce in about 5 years (modeled)
Strong WindRelatively Moderate$653K4.6 a year (modeled)
EarthquakeRelatively Low$690Konce in about 421 years (modeled)
HurricaneRelatively Low$249Konce in about 10 years (modeled)
Riverine FloodingRelatively Low$4.1Monce in about 3 years (modeled)

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

Counties that share a border with Chester County

  1. York County 756
  2. Lancaster County 583
  3. Union County 473
  4. Fairfield County 472
  5. Chester County 433

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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