Tornadoes in 1977
The Storm Prediction Center recorded 852 tornadoes in 1977, against an average of 967 a year from 1950 to 2025. They killed 43 people and injured 771. The busiest month was May (228), and the busiest single day was 4 May 1977, with 30.
- 852tornadoes
- 43deaths
- 771injuries
- 30on the busiest day (4 May 1977)
Tornadoes in 1977 were rated on the Fujita (F) scale. Counts of weak tornadoes in particular depend on how many were spotted and reported, which has changed over the decades, so compare years with care.
How strong were the tornadoes of 1977?
| Rating | Tornadoes | Share |
|---|---|---|
| F0 / EF0 | 236 | 28% |
| F1 / EF1 | 420 | 49% |
| F2 / EF2 | 136 | 16% |
| F3 / EF3 | 48 | 6% |
| F4 / EF4 | 11 | 1% |
| F5 / EF5 | 1 | <1% |
| Unknown rating | 0 | 0% |
Show the numbers
| Period | Count |
|---|---|
| Jan | 5 |
| Feb | 17 |
| Mar | 64 |
| Apr | 88 |
| May | 228 |
| Jun | 132 |
| Jul | 99 |
| Aug | 82 |
| Sep | 65 |
| Oct | 25 |
| Nov | 24 |
| Dec | 23 |
Deadliest tornadoes of 1977
- Birmingham, Alabama tornado4 April 1977, F5, 22 deaths, 130 injuries, 14.7 miles long
- Windsor, Illinois tornado21 August 1977, F3, 6 deaths, 56 injuries, 26.9 miles long
- Noxapater, Mississippi tornado23 February 1977, F4, 2 deaths, 5 injuries, 15 miles long
Strongest tornadoes of 1977
- Birmingham, Alabama tornado4 April 1977, F5, 22 deaths, 130 injuries, 14.7 miles long
- Noxapater, Mississippi tornado23 February 1977, F4, 2 deaths, 5 injuries, 15 miles long
- Bellevue, Michigan tornado2 April 1977, F4, 1 death, 44 injuries, 16.6 miles long
Many of these tornadoes killed or injured people. The numbers are the official record's, and they may be revised.