Lancaster County, Pennsylvania

County storm and disaster record · FIPS 42071 · population 552,633 · 944 sq mi

NOAA's Storm Events Database holds 1,177 records for Lancaster County, Pennsylvania from 1950 through June 30, 2026, on 627 days; the most frequent are severe thunderstorm wind events (618 records). The deadliest single record is the September 7, 2011 flood: 3 deaths and $1.0 million in damage in 2025 dollars. FEMA has issued 22 declarations naming the county since 1972, 20 of them for natural hazards; the latest for a natural hazard was “Severe Winter Storm and Snowstorm” on March 23, 2016.

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
1,177on 627 days, 1950 to June 30, 2026
Deaths recorded
1463 injuries
Damage, 2025 dollars
$90Mas filed (scale steps before 1993)
Tornadoes
39strongest F3
FEMA declarations
22latest 2020

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 Lancaster County most?

The most frequent records are severe thunderstorm wind events: 618 since 1955. 51% of its severe thunderstorm wind events since 1955 fell in June and July. The rank column places the county among Pennsylvania's counties by days with a record per 1,000 square miles of land over each hazard's complete period.

Lancaster County: records by hazard, 1950 to June 30, 2026
HazardRecordsDaysFirst, lastKilledInjuredDamageRank in state
Severe thunderstorm wind 618 333 1955-2026 4 9 $14M 22 of 67
Hail 192 107 1960-2025 0 0 $7K 13 of 67
Floods 166 106 1996-2025 5 0 $12M 21 of 67
Winter storms 81 80 1996-2026 2 8 $15K 60 of 67
Tornadoes 39 37 1950-2026 0 41 $64M 4 of 67
High wind and dust storms 32 32 1996-2025 0 0 $222K 38 of 67
Drought 14 14 1997-2026 0 0 – 22 of 67
Heat 13 13 1999-2025 1 0 – 20 of 67
Fog, smoke and funnel clouds 8 7 2007-2025 0 0 – 12 of 67
Lightning 6 6 2000-2025 2 5 $44K 21 of 67
Extreme cold 5 4 1997-2025 0 0 – 67 of 67
Heavy rain 2 2 2008-2010 0 0 – 25 of 67
Hurricanes and tropical storms 1 1 2003-2003 0 0 – 33 of 67

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 Lancaster County had?

NOAA records 39 tornadoes in Lancaster County from 1950 to 2026, the strongest rated F3, with 0 deaths and 41 injuries recorded in the county. That is 4th of 67 Pennsylvania 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 39 tornadoes whose track touched Lancaster County since 1950 (NOAA's county records number 39, the same count); along their whole tracks they killed 0 people.

The deadliest and strongest tornadoes that touched Lancaster County, whole tracks
DateTornadoRatingPathKilled
1950-11-04 17:00, as SPC files itReadingF315.9 mi0

Map of the strongest tornado tracks in Pennsylvania.

Every tornado record filed for Lancaster County (39)
Every tornado recorded in Lancaster County, newest first
DatePlaceCharacterKilledInjuredDamage
2026-06-14 Kirkwood, Lancaster County EF1 2.87 mi x 30 yd 0 0 $50K
2025-09-04 Mechanics Grove, Lancaster County EF0 0.15 mi x 30 yd 0 0 $10K
2025-05-04 Reinholds, Lancaster County EF0 0.1 mi x 10 yd 0 0 $30K
2023-08-07 Rawlinsville, Lancaster County EF0 0.51 mi x 40 yd 0 0 –
2022-05-27 Kirkwood, Lancaster County EF1 3.05 mi x 130 yd 0 3 $328K
2019-05-28 Churchtown, Lancaster County EF1 0.28 mi x 100 yd 0 0 $29K
2019-05-19 Schoeneck, Lancaster County EF1 0.84 mi x 125 yd 0 3 $115K
2016-02-24 Gap, Lancaster County EF2 4.87 mi x 400 yd 0 0 $9.8M
2015-09-29 Rohrerstown, Lancaster County EF1 2.53 mi x 75 yd 0 0 $5.0M
2012-10-19 Fishing Creek, Lancaster County EF1 16.56 mi x 200 yd 0 15 $7.7M
2010-09-27 Kinzers, Lancaster County EF0 1.84 mi x 30 yd 0 1 $20K
2009-03-29 Lititz, Lancaster County EF1 1.25 mi x 200 yd 0 3 $1.4M
2004-08-04 Manheim, Lancaster County F0 2 mi x 100 yd 0 0 $8K
2004-07-27 Willow Street, Lancaster County F1 4 mi x 100 yd 0 0 $156K
2004-06-17 Lancaster County F1 1 mi x 150 yd 0 0 –
2001-06-22 White Horse, Lancaster County F0 0.2 mi x 50 yd 0 0 $8K
2000-06-18 Gordonville, Lancaster County F0 0.2 mi x 10 yd 0 0 –
2000-05-10 Strasburg, Lancaster County F0 6 mi x 30 yd 0 0 –
1998-05-31 Quarryville, Lancaster County F2 7 mi x 880 yd 0 0 –
1995-05-29 Millersville, Lancaster County F2 2.5 mi x 100 yd 0 1 –
1995-05-29 Schoeneck, Lancaster County F1 1 mi x 20 yd 0 0 –
1991-05-06 Lancaster County F2 1 mi x 100 yd 0 3 $250K step
1990-05-13 Lancaster County F0 4 mi x 73 yd 0 0 $25K step
1989-06-15 Lancaster County F2 3 mi x 100 yd 0 0 $2.5M step
1989-06-15 Lancaster County F2 4 mi x 100 yd 0 3 $250K step
1985-08-30 Lancaster County F1 2 mi x 33 yd 0 0 $250K step
1985-07-31 Lancaster County F2 3 mi x 20 yd 0 2 $250K step
1980-06-07 Lancaster County F1 1 mi x 40 yd 0 0 $25K step
1979-11-26 Lancaster County F1 0.2 mi x 50 yd 0 0 $25K step
1976-07-29 Lancaster County F1 1.8 mi x 77 yd 0 0 $25K step
1974-08-17 Lancaster County F2 0.7 mi x 33 yd 0 0 $25K step
1970-07-02 Lancaster County F2 1 mi x 1,760 yd 0 0 $25K step
1970-06-18 Lancaster County F1 1 mi x 400 yd 0 0 $250K step
1961-07-29 Lancaster County F2 13.4 mi x 500 yd 0 2 $2.5M step
1961-05-26 Lancaster County F1 0.3 mi x 27 yd 0 3 $3K step
1957-04-28 Lancaster County F1 0.1 mi x 33 yd 0 0 $3K step
1956-09-17 Lancaster County F1 2.3 mi x 50 yd 0 1 $3K step
1953-11-23 Lancaster County F2 0.1 mi x 20 yd 0 0 $3K step
1950-11-04 Lancaster County F3 4.7 mi x 100 yd 0 1 $250K 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 Lancaster County?

The most recent record with damage, injuries or deaths is the June 14, 2026 thunderstorm wind ($1,000 in damage in 2025 dollars).

The 12 most recent records kept for Lancaster County
DateRecordCharacterKilledInjuredDamage
2026-06-14 Thunderstorm WindWakefield, Lancaster County 43 kt wind 0 0 $1K
2026-06-14 Thunderstorm WindConestoga, Lancaster County 43 kt wind 0 0 $1K
2026-06-14 TornadoKirkwood, Lancaster County EF1 2.87 mi x 30 yd 0 0 $50K
2026-06-06 Thunderstorm WindSafe Harbor, Lancaster County 52 kt wind 0 0 $2K
2026-06-06 Thunderstorm WindRohrerstown, Lancaster County 52 kt wind 0 0 $4K
2026-06-01 DroughtLancaster County · forecast zone Lancaster 0 0 –
2026-05-20 Thunderstorm WindWhite Horse, Lancaster County 52 kt wind 0 0 $5K
2026-05-20 Thunderstorm WindLeaman Place, Lancaster County 52 kt wind 0 0 $5K
2026-05-20 Thunderstorm WindWest Lancaster, Lancaster County 52 kt wind 0 0 $5K
2026-05-20 Thunderstorm WindLancaster County 52 kt wind 0 0 $10K
2026-05-20 Thunderstorm WindLancaster County 52 kt wind 0 0 $35K
2026-05-20 Thunderstorm WindRohrerstown, Lancaster County 52 kt wind 0 0 $5K

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 Lancaster County, most deaths first
DateRecordCharacterKilledInjuredDamage
2011-09-07 FloodDenver, Lancaster County The Susquehanna River at Marietta crested in major flood stage at 58.16 feet. Flood stage is 49.0 feet. This is the 4th highest crest on record. The Conestoga River at Lancaster crested in major flood stage at 21.30 feet. Flood stage is 11.0 feet. This is the 2nd highest crest on record. Life-threatening flash ... 3 0 $1.0M
2016-01-22 Winter StormLancaster County · forecast zone Lancaster Heavy snowfall amounts of 21 to 28 inches were observed across the county, along with near-blizzard conditions. A 70-year old Willow Street man and a 76-year old Elizabethtown man died of cardiac arrest while clearing snow at their homes. 2 0 –
2014-08-31 LightningOakryn, Lancaster County Two boys were struck by lightning while running across a field after getting out of the Little Conowingo Creek in Fulton Township near Peach Bottom in Lancaster County. Authorities said the boys were swimming with friends near Nottingham and Soapstone Roads when a thunderstorm moved through the area. One boy was ... 1 1 –
1994-11-01 Thunderstorm WindPleasant Grove, Lancaster County A seventeen year male was killed and his girlfriend was injured when a three foot wide oak tree landed and crushed their vehicle on Cooks Landing Road in Fulton Township. (M17V) 1 1 –
2025-07-01 Thunderstorm WindChristiana, Lancaster County A man was killed in Sadsbury Township when a severe thunderstorm producing wind gusts estimated at 60 mph knocked a large tree limb down, which struck him as he was operating a tractor. 52 kt wind 1 0 –
2023-12-18 FloodHinkletown, Lancaster County Heavy rainfall led to flooding along Cabin Drive near Ephrata during the early morning hours of December 18, 2023. A direct fatality was reported when a 73-year old male drove into the flood waters and drowned during the pre-dawn hours. 1 0 $10K
2023-10-04 HeatLancaster County · forecast zone Lancaster On an unseasonably warm afternoon with highs in the low to mid 80s, an infant left unattended in a car in West Hempfield Township, Lancaster County was found dead from asphyxia due to hyperthermia. 1 0 –
2023-04-22 Thunderstorm WindNew Providence, Lancaster County A severe thunderstorm producing winds estimated near 60 mph knocked down a large branch along the 100 block of Sawmill Road in Providence Township, with one fatality reported. 52 kt wind 1 0 –
The costliest records in Lancaster County since 1993, damage in 2025 dollars
DateRecordCharacterKilledInjuredDamage
2016-02-24 TornadoGap, Lancaster County EF2 4.87 mi x 400 yd 0 0 $9.8M
2012-10-19 TornadoFishing Creek, Lancaster County EF1 16.56 mi x 200 yd 0 15 $7.7M
2000-06-25 Flash FloodCountywide, Lancaster County 0 0 $6.9M
2017-02-25 Thunderstorm WindLexington, Lancaster County 78 kt wind 0 0 $6.0M
2015-09-29 TornadoRohrerstown, Lancaster County EF1 2.53 mi x 75 yd 0 0 $5.0M
1999-09-16 Flash FloodCountywide, Lancaster County 0 0 $2.8M
1995-04-09 Thunderstorm WindNorthwest And, Lancaster County 0 0 $1.9M
1995-07-16 Thunderstorm WindLancaster County 0 0 $1.7M

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: July 29, 1961 (tornado, Lancaster County); June 15, 1989 (tornado, Lancaster 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 Lancaster 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).

Lancaster County: records per decade (the 2020s to June 30, 2026)
Hazard1950s1960s1970s1980s1990s2000s2010s2020-26
Severe thunderstorm wind21028548496183161
Hail0491514795615
Floods––––18573853
Winter storms––––13292118
Tornadoes42555765
High wind and dust storms––––411107

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

What time of year?

51% of its severe thunderstorm wind events since 1955 fell in June and July. The two busiest months are in violet.

The values, month by month

Jan 43 · Feb 66 · Mar 53 · Apr 51 · May 124 · Jun 233 · Jul 286 · Aug 154 · Sep 75 · Oct 29 · Nov 34 · Dec 29 (records).

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

Federal disaster declarations for Lancaster County

FEMA's register lists 22 declarations that include Lancaster County: 15 major disasters, 7 emergencies and 0 fire management assistance declarations. Most were for flood (7) and snowstorm (4).

Declarations including Lancaster County, newest first
DeclaredNumberTypeTitle
2020-03-30DR-4506BiologicalCovid-19 Pandemic
2020-03-13EM-3441BiologicalCovid-19
2016-03-23DR-4267SnowstormSevere Winter Storm and Snowstorm
2014-02-06EM-3367Severe Ice StormSevere Winter Storm
2012-10-29EM-3356HurricaneHurricane Sandy
2011-09-12DR-4030FloodTropical Storm Lee
2011-09-08EM-3340FloodRemnants of Tropical Storm Lee
2010-04-16DR-1898SnowstormSevere Winter Storms and Snowstorms
2006-06-30DR-1649Severe StormSevere Storms, Flooding, and Mudslides
2005-09-10EM-3235HurricaneHurricane Katrina
2004-09-19DR-1555Severe StormSevere Storms and Flooding Associated With Tropical Depression Frances
2004-09-19DR-1557HurricaneTropical Depression Ivan
2003-03-14EM-3180Severe StormSnow
1999-09-18DR-1294HurricaneHurricane Floyd Major Disaster Declarations
1996-01-21DR-1093FloodSevere Storms and Flooding
1996-01-13DR-1085SnowstormBlizzard of 96
1994-03-10DR-1015Severe StormSevere Winter Storms
1993-03-16EM-3105SnowstormSevere Snowfall & Winter Storm
1976-10-20DR-523FloodSevere Storms & Flooding
1975-09-26DR-485FloodSevere Storms, Heavy Rains & Flooding
1973-07-17DR-400FloodSevere Storms & Flooding
1972-06-23DR-340FloodTropical 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 Lancaster County had?

NOAA's Storm Events Database holds 166 flood or flash flood records for Lancaster County from 1996 to 2025, on 106 days, with 5 deaths. By flood insurance claims since 1978 (OpenFEMA, as of September 8, 2026), Lancaster County ranks 183rd of 2,942 U.S. counties.

Named storms on Lancaster County's flood and tropical record
StormBeganRecordsDeaths in the county
Tropical Storm Lee2011-09-0713
Hurricane Floyd1999-09-1610

The National Flood Insurance Program has paid $32.8 million on 2,106 claims filed in Lancaster County; the most in one year was 477 in 2011. Claims count insured losses only: uninsured flood damage is not in this file.

The values, year by year

1978: 308 · 1979: 211 · 1980: 2 · 1981: 2 · 1982: 29 · 1983: 27 · 1984: 51 · 1985: 11 · 1986: 84 · 1987: 68 · 1988: 31 · 1989: 16 · 1990: 1 · 1992: 2 · 1993: 41 · 1994: 22 · 1995: 5 · 1996: 148 · 1997: 3 · 1998: 2 · 1999: 73 · 2000: 47 · 2001: 20 · 2002: 1 · 2003: 29 · 2004: 66 · 2005: 51 · 2006: 36 · 2007: 3 · 2008: 1 · 2010: 8 · 2011: 477 · 2012: 17 · 2013: 7 · 2014: 6 · 2015: 4 · 2016: 1 · 2017: 2 · 2018: 92 · 2020: 7 · 2021: 51 · 2024: 4 · 2025: 38 · 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 Lancaster County

FEMA's National Risk Index rates Lancaster County Relatively High overall, with an expected annual loss of $170 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 Lancaster County (December 2025 release), by FEMA's rating, then score
HazardRisk ratingExpected annual lossModeled frequency
Winter WeatherVery High$2.2M12 a year (modeled)
Riverine FloodingRelatively High$111M3.4 a year (modeled)
LightningRelatively High$2.2M36 a year (modeled)
HurricaneRelatively High$24Monce in about 12 years (modeled)
Strong WindRelatively High$2.2M6.7 a year (modeled)
Cold WaveRelatively High$7.5M1.2 a year (modeled)
Heat WaveRelatively Moderate$5.1M5.3 modeled event-days a year
EarthquakeRelatively Moderate$9.6Monce in about 652 years (modeled)

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

Counties that share a border with Lancaster County

  1. Chester County 2,132
  2. Berks County 2,021
  3. Harford County, MD 1,498
  4. Lancaster County 1,177
  5. York County 1,102
  6. Cecil County, MD 1,043
  7. Dauphin County 706
  8. Lebanon County 581

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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