Tornadoes in Pierce County
The Storm Prediction Center records 9 tornadoes whose paths touched Pierce County, Washington between 1978 and 2015. None of them is recorded as having killed anyone. The busiest month is June, with 3 tornadoes. The strongest was an EF1 on 6 September 2009. The most recent was on 18 January 2015.
- 9tornadoes
- 0deaths
- 0injuries
- 54per 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 | 3 | 33% |
| F1 / EF1 | 6 | 67% |
| F2 / EF2 | 0 | 0% |
| 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 2015, so that bar is for a shorter period. The record starts in 1950.
Show the numbers
| Period | Count |
|---|---|
| 1970s | 1 |
| 1980s | 1 |
| 1990s | 2 |
| 2000s | 2 |
| 2010s | 3 |
Show the numbers
| Period | Count |
|---|---|
| Jan | 1 |
| Feb | 0 |
| Mar | 0 |
| Apr | 1 |
| May | 1 |
| Jun | 3 |
| Jul | 0 |
| Aug | 0 |
| Sep | 3 |
| Oct | 0 |
| Nov | 0 |
| Dec | 0 |
Records for Pierce County
- Strongest and Longest path: Washington tornado6 September 2009, EF1, 9.6 miles long
- Most recent: Washington tornado18 January 2015, EF1, 4.1 miles long
Many of these tornadoes killed or injured people. The numbers are the official record's, and they may be revised.