Tornadoes in St. Clair County
The Storm Prediction Center records 26 tornadoes whose paths touched St. Clair County, Michigan between 1953 and 2021. They killed 4 people and injured 103. The busiest month is May, with 8 tornadoes. The strongest was an F4 on 21 May 1953. The most recent was on 14 October 2021.
- 26tornadoes
- 4deaths
- 103injuries
- 360per 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 St. Clair County?
| Rating | Tornadoes | Share |
|---|---|---|
| F0 / EF0 | 4 | 15% |
| F1 / EF1 | 15 | 58% |
| F2 / EF2 | 2 | 8% |
| F3 / EF3 | 3 | 12% |
| F4 / EF4 | 2 | 8% |
| F5 / EF5 | 0 | 0% |
| Unknown rating | 0 | 0% |
St. Clair County tornadoes over time
The 2020s only run to 2021, so that bar is for a shorter period. The record starts in 1950.
Show the numbers
| Period | Count |
|---|---|
| 1950s | 2 |
| 1970s | 5 |
| 1980s | 4 |
| 1990s | 8 |
| 2000s | 3 |
| 2010s | 3 |
| 2020s | 1 |
Show the numbers
| Period | Count |
|---|---|
| Jan | 0 |
| Feb | 0 |
| Mar | 2 |
| Apr | 0 |
| May | 8 |
| Jun | 7 |
| Jul | 2 |
| Aug | 1 |
| Sep | 4 |
| Oct | 1 |
| Nov | 1 |
| Dec | 0 |
Records for St. Clair County
- Deadliest and Strongest: Port Huron, Michigan tornado21 May 1953, F4, 2 deaths, 68 injuries, 10 miles long
- Longest path: North Branch, Michigan tornado8 June 1953, F4, 23 injuries, 33.8 miles long
- Most recent: Michigan tornado14 October 2021, EF0, 0.4 miles long
Notable tornadoes in St. Clair County
- Port Huron, Michigan tornado21 May 1953, F4, 2 deaths, 68 injuries, 10 miles long
- Utica, Michigan tornado20 March 1976, F3, 1 death, 3 injuries, 17.1 miles long
- North Branch, Michigan tornado8 June 1953, F4, 23 injuries, 33.8 miles long
Many of these tornadoes killed or injured people. The numbers are the official record's, and they may be revised.