Tornadoes in San Joaquin County
The Storm Prediction Center records 19 tornadoes whose paths touched San Joaquin County, California between 1967 and 2022. None of them is recorded as having killed anyone. The busiest month is April, with 10 tornadoes. The strongest was an F1 on 31 March 1978. The most recent was on 21 April 2022.
- 19tornadoes
- 0deaths
- 0injuries
- 136per 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 San Joaquin County?
| Rating | Tornadoes | Share |
|---|---|---|
| F0 / EF0 | 15 | 79% |
| F1 / EF1 | 3 | 16% |
| F2 / EF2 | 0 | 0% |
| F3 / EF3 | 0 | 0% |
| F4 / EF4 | 0 | 0% |
| F5 / EF5 | 0 | 0% |
| Unknown rating | 1 | 5% |
San Joaquin County tornadoes over time
The 2020s only run to 2022, so that bar is for a shorter period. The record starts in 1950.
Show the numbers
| Period | Count |
|---|---|
| 1960s | 2 |
| 1970s | 3 |
| 1980s | 4 |
| 1990s | 6 |
| 2000s | 2 |
| 2010s | 1 |
| 2020s | 1 |
Show the numbers
| Period | Count |
|---|---|
| Jan | 1 |
| Feb | 0 |
| Mar | 4 |
| Apr | 10 |
| May | 1 |
| Jun | 1 |
| Jul | 0 |
| Aug | 0 |
| Sep | 0 |
| Oct | 1 |
| Nov | 0 |
| Dec | 1 |
Records for San Joaquin County
- Strongest: California tornado31 March 1978, F1, 0.5 miles long
- Longest path: California tornado8 April 2005, F0, 1.5 miles long
- Most recent: California tornado21 April 2022, Unknown rating, 0 miles long
Many of these tornadoes killed or injured people. The numbers are the official record's, and they may be revised.