Tornadoes in San Bernardino County
The Storm Prediction Center records 33 tornadoes whose paths touched San Bernardino County, California between 1954 and 2019. None of them is recorded as having killed anyone. The busiest month is September, with 9 tornadoes. The strongest was an F2 on 7 September 1982. The most recent was on 16 April 2019.
- 33tornadoes
- 0deaths
- 3injuries
- 16per 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 Bernardino County?
| Rating | Tornadoes | Share |
|---|---|---|
| F0 / EF0 | 23 | 70% |
| F1 / EF1 | 8 | 24% |
| F2 / EF2 | 2 | 6% |
| F3 / EF3 | 0 | 0% |
| F4 / EF4 | 0 | 0% |
| F5 / EF5 | 0 | 0% |
| Unknown rating | 0 | 0% |
San Bernardino County tornadoes over time
The 2010s only run to 2019, so that bar is for a shorter period. The record starts in 1950.
Show the numbers
| Period | Count |
|---|---|
| 1950s | 1 |
| 1960s | 2 |
| 1970s | 8 |
| 1980s | 4 |
| 1990s | 9 |
| 2000s | 5 |
| 2010s | 4 |
Show the numbers
| Period | Count |
|---|---|
| Jan | 0 |
| Feb | 0 |
| Mar | 2 |
| Apr | 1 |
| May | 4 |
| Jun | 2 |
| Jul | 5 |
| Aug | 8 |
| Sep | 9 |
| Oct | 1 |
| Nov | 1 |
| Dec | 0 |
Records for San Bernardino County
- Strongest: California tornado7 September 1982, F2, 2 injuries, 0.5 miles long
- Longest path: California tornado18 May 1997, F1, 9 miles long
- Most recent: California tornado16 April 2019, EF0, 1.6 miles long
Many of these tornadoes killed or injured people. The numbers are the official record's, and they may be revised.