Tornadoes in Pierce County
The Storm Prediction Center records 18 tornadoes whose paths touched Pierce County, North Dakota between 1973 and 2011. None of them is recorded as having killed anyone. The busiest month is July, with 7 tornadoes. The strongest was an F2 on 21 August 1973. The most recent was on 20 July 2011.
- 18tornadoes
- 0deaths
- 0injuries
- 177per 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 Pierce County?
| Rating | Tornadoes | Share |
|---|---|---|
| F0 / EF0 | 5 | 28% |
| F1 / EF1 | 12 | 67% |
| F2 / EF2 | 1 | 6% |
| F3 / EF3 | 0 | 0% |
| F4 / EF4 | 0 | 0% |
| F5 / EF5 | 0 | 0% |
| Unknown rating | 0 | 0% |
Pierce County tornadoes over time
The 2010s only run to 2011, so that bar is for a shorter period. The record starts in 1950.
Show the numbers
| Period | Count |
|---|---|
| 1970s | 6 |
| 1980s | 1 |
| 1990s | 3 |
| 2000s | 7 |
| 2010s | 1 |
Show the numbers
| Period | Count |
|---|---|
| Jan | 0 |
| Feb | 0 |
| Mar | 0 |
| Apr | 0 |
| May | 3 |
| Jun | 6 |
| Jul | 7 |
| Aug | 1 |
| Sep | 0 |
| Oct | 0 |
| Nov | 1 |
| Dec | 0 |
Records for Pierce County
- Strongest: North Dakota tornado21 August 1973, F2, 0.1 miles long
- Longest path: North Dakota tornado1 November 2000, F1, 22 miles long
- Most recent: North Dakota tornado20 July 2011, EF1, 1.3 miles long
Many of these tornadoes killed or injured people. The numbers are the official record's, and they may be revised.