Tornadoes in Pennsylvania
The Storm Prediction Center records 1,008 tornadoes that touched Pennsylvania between 1950 and 2025, and 982 of them began there. A tornado that crossed a state line counts in every state it touched. They killed 95 people and injured 1,587. The busiest month is July, with 214 tornadoes.
- 1,008tornadoes
- 95deaths
- 1,587injuries
- 225per 10,000 sq mi of land
- 67counties touched
Tornadoes per 10,000 square miles lets you compare states of different sizes. It counts every tornado that touched the state.
How strong were Pennsylvania's tornadoes?
| Rating | Tornadoes | Share |
|---|---|---|
| F0 / EF0 | 290 | 29% |
| F1 / EF1 | 498 | 49% |
| F2 / EF2 | 178 | 18% |
| F3 / EF3 | 30 | 3% |
| F4 / EF4 | 8 | <1% |
| F5 / EF5 | 1 | <1% |
| Unknown rating | 3 | <1% |
Pennsylvania tornadoes over time
The 2020s only run to 2025, so that bar is for a shorter period. The record starts in 1950.
Show the numbers
| Period | Count |
|---|---|
| 1950s | 61 |
| 1960s | 41 |
| 1970s | 117 |
| 1980s | 127 |
| 1990s | 226 |
| 2000s | 109 |
| 2010s | 197 |
| 2020s | 130 |
The record has changed over the decades as detection and reporting improved, so more weak tornadoes show up in recent years than in the 1950s. The year with the most in Pennsylvania was 1998, with 60.
Show the numbers
| Period | Count |
|---|---|
| Jan | 7 |
| Feb | 6 |
| Mar | 33 |
| Apr | 90 |
| May | 180 |
| Jun | 195 |
| Jul | 214 |
| Aug | 117 |
| Sep | 82 |
| Oct | 42 |
| Nov | 37 |
| Dec | 5 |
Deadliest tornadoes that touched Pennsylvania
- Warren, Ohio tornado31 May 1985, F5, 18 deaths, 310 injuries, 47 miles long
- Andover, Ohio tornado31 May 1985, F4, 16 deaths, 125 injuries, 56.2 miles long
- Conneaut, Ohio tornado31 May 1985, F4, 12 deaths, 82 injuries, 14 miles long
- Seven Fields, Pennsylvania tornado31 May 1985, F3, 9 deaths, 120 injuries, 39 miles long
- Pleasantville, Pennsylvania tornado31 May 1985, F4, 7 deaths, 30 injuries, 29 miles long
- Williamsport, Pennsylvania tornado31 May 1985, F3, 6 deaths, 60 injuries, 19 miles long
Strongest tornadoes that touched Pennsylvania
- Warren, Ohio tornado31 May 1985, F5, 18 deaths, 310 injuries, 47 miles long
- Andover, Ohio tornado31 May 1985, F4, 16 deaths, 125 injuries, 56.2 miles long
- Conneaut, Ohio tornado31 May 1985, F4, 12 deaths, 82 injuries, 14 miles long
- Pleasantville, Pennsylvania tornado31 May 1985, F4, 7 deaths, 30 injuries, 29 miles long
- Clarendon, Pennsylvania tornado31 May 1985, F4, 4 deaths, 40 injuries, 29 miles long
- DuBois, Pennsylvania tornado31 May 1985, F4, 69 miles long
Most recent tornadoes in Pennsylvania
- Pennsylvania tornado4 September 2025, EF0, 0.2 miles long
- Pennsylvania tornado1 July 2025, EF0, 0.9 miles long
- Pennsylvania tornado17 June 2025, EF1, 1.1 miles long
- Pennsylvania tornado9 June 2025, EF2, 1 miles long
- Pennsylvania tornado9 June 2025, EF0, 0.2 miles long
Notable Pennsylvania tornadoes with their own pages
- Warren, Ohio tornado31 May 1985, F5, 18 deaths, 310 injuries, 47 miles long
- Andover, Ohio tornado31 May 1985, F4, 16 deaths, 125 injuries, 56.2 miles long
- Conneaut, Ohio tornado31 May 1985, F4, 12 deaths, 82 injuries, 14 miles long
- Seven Fields, Pennsylvania tornado31 May 1985, F3, 9 deaths, 120 injuries, 39 miles long
- Pleasantville, Pennsylvania tornado31 May 1985, F4, 7 deaths, 30 injuries, 29 miles long
- Williamsport, Pennsylvania tornado31 May 1985, F3, 6 deaths, 60 injuries, 19 miles long
- Clarendon, Pennsylvania tornado31 May 1985, F4, 4 deaths, 40 injuries, 29 miles long
- Royersford, Pennsylvania tornado27 July 1994, F3, 3 deaths, 25 injuries, 2 miles long
- Meshoppen, Pennsylvania tornado2 June 1998, F3, 2 deaths, 15 injuries, 26 miles long
- Saegertown, Pennsylvania tornado31 May 1985, F3, 2 deaths, 23 miles long
- West Mifflin, Pennsylvania tornado3 August 1963, F3, 2 deaths, 70 injuries, 0.1 miles long
- Salisbury, Pennsylvania tornado31 May 1998, F3, 1 death, 15 injuries, 13 miles long
Many of these tornadoes killed or injured people. The numbers are the official record's, and they may be revised.
Pennsylvania counties
Every county that a tornado has touched is listed, most tornadoes first. 66 of them have at least 3 tornadoes and their own page.