Tornadoes in Northumberland County
The Storm Prediction Center records 18 tornadoes whose paths touched Northumberland County, Pennsylvania between 1953 and 2023. They killed 6 people and injured 62. The busiest month is May, with 4 tornadoes. The strongest was an F3 on 31 May 1985. The most recent was on 2 July 2023.
- 18tornadoes
- 6deaths
- 62injuries
- 393per 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 Northumberland County?
| Rating | Tornadoes | Share |
|---|---|---|
| F0 / EF0 | 6 | 33% |
| F1 / EF1 | 9 | 50% |
| F2 / EF2 | 2 | 11% |
| F3 / EF3 | 1 | 6% |
| F4 / EF4 | 0 | 0% |
| F5 / EF5 | 0 | 0% |
| Unknown rating | 0 | 0% |
Northumberland County tornadoes over time
The 2020s only run to 2023, so that bar is for a shorter period. The record starts in 1950.
Show the numbers
| Period | Count |
|---|---|
| 1950s | 1 |
| 1970s | 2 |
| 1980s | 2 |
| 1990s | 4 |
| 2000s | 2 |
| 2010s | 5 |
| 2020s | 2 |
Show the numbers
| Period | Count |
|---|---|
| Jan | 0 |
| Feb | 0 |
| Mar | 1 |
| Apr | 1 |
| May | 4 |
| Jun | 3 |
| Jul | 4 |
| Aug | 2 |
| Sep | 3 |
| Oct | 0 |
| Nov | 0 |
| Dec | 0 |
Records for Northumberland County
- Deadliest and Strongest and Longest path: Williamsport, Pennsylvania tornado31 May 1985, F3, 6 deaths, 60 injuries, 19 miles long
- Most recent: Pennsylvania tornado2 July 2023, EF1, 2.4 miles long
Notable tornadoes in Northumberland County
- Williamsport, Pennsylvania tornado31 May 1985, F3, 6 deaths, 60 injuries, 19 miles long
Many of these tornadoes killed or injured people. The numbers are the official record's, and they may be revised.