Tornadoes in Harris County
The Storm Prediction Center records 268 tornadoes whose paths touched Harris County, Texas between 1950 and 2025. They killed 12 people and injured 341. The busiest month is May, with 39 tornadoes. The strongest was an F4 on 21 November 1992. The most recent was on 24 November 2025.
- 268tornadoes
- 12deaths
- 341injuries
- 1,570per 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 Harris County?
| Rating | Tornadoes | Share |
|---|---|---|
| F0 / EF0 | 136 | 51% |
| F1 / EF1 | 87 | 32% |
| F2 / EF2 | 34 | 13% |
| F3 / EF3 | 10 | 4% |
| F4 / EF4 | 1 | <1% |
| F5 / EF5 | 0 | 0% |
| Unknown rating | 0 | 0% |
Harris County tornadoes over time
The 2020s only run to 2025, so that bar is for a shorter period. The record starts in 1950.
Show the numbers
| Period | Count |
|---|---|
| 1950s | 8 |
| 1960s | 18 |
| 1970s | 64 |
| 1980s | 52 |
| 1990s | 43 |
| 2000s | 39 |
| 2010s | 29 |
| 2020s | 15 |
Show the numbers
| Period | Count |
|---|---|
| Jan | 16 |
| Feb | 19 |
| Mar | 21 |
| Apr | 23 |
| May | 39 |
| Jun | 20 |
| Jul | 8 |
| Aug | 30 |
| Sep | 16 |
| Oct | 27 |
| Nov | 35 |
| Dec | 14 |
Records for Harris County
- Deadliest: Tomball, Texas tornado5 February 1986, F3, 2 deaths, 5 miles long
- Strongest: Channelview, Texas tornado21 November 1992, F4, 16 injuries, 30 miles long
- Longest path: Texas tornado21 November 1992, F3, 1 injury, 32 miles long
- Most recent: Texas tornado24 November 2025, EF2, 3.8 miles long
Notable tornadoes in Harris County
- Tomball, Texas tornado5 February 1986, F3, 2 deaths, 5 miles long
- Cloverleaf, Texas tornado13 December 1977, F3, 1 death, 40 injuries, 25.1 miles long
- Pasadena, Texas tornado11 February 1950, F3, 1 death, 12 injuries, 12 miles long
- Baytown, Texas tornado28 October 1974, F3, 1 death, 7 injuries, 3.3 miles long
- Channelview, Texas tornado21 November 1992, F4, 16 injuries, 30 miles long
Many of these tornadoes killed or injured people. The numbers are the official record's, and they may be revised.