Tornadoes in Yankton County
The Storm Prediction Center records 38 tornadoes whose paths touched Yankton County, South Dakota between 1954 and 2014. They killed 2 people and injured 3. The busiest month is May, with 17 tornadoes. The strongest was an F4 on 7 June 1965. The most recent was on 28 August 2014.
- 38tornadoes
- 2deaths
- 3injuries
- 729per 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 Yankton County?
| Rating | Tornadoes | Share |
|---|---|---|
| F0 / EF0 | 16 | 42% |
| F1 / EF1 | 8 | 21% |
| F2 / EF2 | 9 | 24% |
| F3 / EF3 | 4 | 11% |
| F4 / EF4 | 1 | 3% |
| F5 / EF5 | 0 | 0% |
| Unknown rating | 0 | 0% |
Yankton County tornadoes over time
The 2010s only run to 2014, so that bar is for a shorter period. The record starts in 1950.
Show the numbers
| Period | Count |
|---|---|
| 1950s | 4 |
| 1960s | 12 |
| 1970s | 6 |
| 1980s | 8 |
| 2000s | 6 |
| 2010s | 2 |
Show the numbers
| Period | Count |
|---|---|
| Jan | 0 |
| Feb | 0 |
| Mar | 0 |
| Apr | 6 |
| May | 17 |
| Jun | 11 |
| Jul | 1 |
| Aug | 2 |
| Sep | 1 |
| Oct | 0 |
| Nov | 0 |
| Dec | 0 |
Records for Yankton County
- Deadliest and Strongest: Irene, South Dakota tornado7 June 1965, F4, 1 death, 7.8 miles long
- Longest path: Nebraska tornado24 May 1965, F1, 176.4 miles long
- Most recent: South Dakota tornado28 August 2014, EF0, 3.7 miles long
Notable tornadoes in Yankton County
- Irene, South Dakota tornado7 June 1965, F4, 1 death, 7.8 miles long
Many of these tornadoes killed or injured people. The numbers are the official record's, and they may be revised.