Tornado History Map

Lancaster County, Pennsylvania tornado history

39 tornadoes recorded in or across Lancaster County from 1950 to 2025, coloured by rating on the map.

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Years1950 to 2025
Rating (F or EF scale)

Shows tornadoes that started in, or crossed, the chosen state. To see how many have passed near you, search a town or ZIP code, or tap the map.

Key
  • F0 / EF0 Light damage
  • F1 / EF1 Moderate damage
  • F2 / EF2 Considerable damage
  • F3 / EF3 Severe damage
  • F4 / EF4 Devastating damage
  • F5 / EF5 Incredible damage
  • Unknown Not rated (2007 onwards)

How to read the lines. Each line is one tornado, drawn from where it started to where it ended, coloured and sized by its rating. A dot means the record has no end point. Tap a line for its details, or tap anywhere else to see how many tornadoes have passed nearby. Weaker tornadoes appear as you zoom in. Ratings use the Fujita (F) scale before 1 February 2007 and the Enhanced Fujita (EF) scale from then on.

Tornadoes in Lancaster County

The Storm Prediction Center records 39 tornadoes whose paths touched Lancaster County, Pennsylvania between 1950 and 2025. None of them is recorded as having killed anyone. The busiest month is May, with 11 tornadoes. The strongest was an F3 on 4 November 1950. The most recent was on 4 September 2025.

  • 39tornadoes
  • 0deaths
  • 41injuries
  • 413per 10,000 sq mi of land

A tornado that crossed several counties counts in each one, so county counts add up to more than the state's.

How strong were the tornadoes in Lancaster County?

RatingTornadoesShare
F0 / EF0923%
F1 / EF11641%
F2 / EF21333%
F3 / EF313%
F4 / EF400%
F5 / EF500%
Unknown rating00%

Lancaster County tornadoes over time

Tornadoes by decade
Bar chart of tornadoes by period. The most is 7 in 2000s.1950s41960s31970s61980s41990s52000s72010s62020s4

The 2020s only run to 2025, so that bar is for a shorter period. The record starts in 1950.

Show the numbers
PeriodCount
1950s4
1960s3
1970s6
1980s4
1990s5
2000s7
2010s6
2020s4
Tornadoes by month
Bar chart of tornadoes by period. The most is 11 in May.Jan0Feb1Mar2Apr1May11Jun6Jul5Aug4Sep4Oct2Nov3Dec0
Show the numbers
PeriodCount
Jan0
Feb1
Mar2
Apr1
May11
Jun6
Jul5
Aug4
Sep4
Oct2
Nov3
Dec0

Records for Lancaster County

  • Strongest: Pennsylvania tornado4 November 1950, F3, 1 injury, 15.9 miles long
  • Longest path: Pennsylvania tornado29 July 1961, F2, 2 injuries, 22.2 miles long
  • Most recent: Pennsylvania tornado4 September 2025, EF0, 0.2 miles long

Many of these tornadoes killed or injured people. The numbers are the official record's, and they may be revised.

More in Pennsylvania

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