Tornadoes in Seneca County
The Storm Prediction Center records 26 tornadoes whose paths touched Seneca County, Ohio between 1951 and 2024. They killed 11 people and injured 143. The busiest month is May, with 5 tornadoes. The strongest was an F3 on 10 May 1973. The most recent was on 14 March 2024.
- 26tornadoes
- 11deaths
- 143injuries
- 472per 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 Seneca County?
| Rating | Tornadoes | Share |
|---|---|---|
| F0 / EF0 | 6 | 23% |
| F1 / EF1 | 8 | 31% |
| F2 / EF2 | 7 | 27% |
| F3 / EF3 | 4 | 15% |
| F4 / EF4 | 0 | 0% |
| F5 / EF5 | 0 | 0% |
| Unknown rating | 1 | 4% |
Seneca County tornadoes over time
The 2020s only run to 2024, so that bar is for a shorter period. The record starts in 1950.
Show the numbers
| Period | Count |
|---|---|
| 1950s | 1 |
| 1960s | 5 |
| 1970s | 6 |
| 1980s | 2 |
| 1990s | 3 |
| 2000s | 4 |
| 2010s | 4 |
| 2020s | 1 |
Show the numbers
| Period | Count |
|---|---|
| Jan | 0 |
| Feb | 1 |
| Mar | 1 |
| Apr | 3 |
| May | 5 |
| Jun | 5 |
| Jul | 3 |
| Aug | 1 |
| Sep | 2 |
| Oct | 0 |
| Nov | 5 |
| Dec | 0 |
Records for Seneca County
- Deadliest and Strongest and Longest path: Tiffin, Ohio tornado10 May 1973, F3, 6 deaths, 100 injuries, 50.1 miles long
- Most recent: Ohio tornado14 March 2024, Unknown rating, 1.3 miles long
Notable tornadoes in Seneca County
- Tiffin, Ohio tornado10 May 1973, F3, 6 deaths, 100 injuries, 50.1 miles long
- Tiffin, Ohio tornado11 April 1965, F3, 4 deaths, 30 injuries, 15 miles long
- Tiffin, Ohio tornado10 November 2002, F3, 1 death, 2 injuries, 21 miles long
Many of these tornadoes killed or injured people. The numbers are the official record's, and they may be revised.