This table shows the number of tornadoes that occurred each year in each F-scale category and the period of record totals at the bottom of the table.
Year | F0 | F1 | F2 | F3 | F4 | F5 | Total |
1950 | 0 | 2 | 0 | 0 | 0 | 0 | 2 |
1951 | 0 | 2 | 0 | 1 | 0 | 0 | 3 |
1952 | 0 | 0 | 4 | 2 | 0 | 0 | 6 |
1953 | 0 | 1 | 6 | 0 | 3 | 0 | 10 |
1954 | 2 | 0 | 1 | 0 | 0 | 0 | 3 |
1955 | 0 | 1 | 0 | 0 | 0 | 0 | 1 |
1956 | 1 | 2 | 2 | 0 | 0 | 0 | 5 |
1957 | 0 | 9 | 5 | 7 | 1 | 0 | 22 |
1958 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
1959 | 4 | 1 | 2 | 0 | 0 | 0 | 7 |
1960 | 0 | 8 | 1 | 0 | 0 | 0 | 9 |
1961 | 0 | 4 | 4 | 1 | 0 | 0 | 10 |
1962 | 4 | 6 | 0 | 0 | 0 | 0 | 10 |
1963 | 0 | 2 | 0 | 0 | 0 | 0 | 2 |
1964 | 1 | 3 | 3 | 0 | 0 | 0 | 7 |
1965 | 3 | 4 | 3 | 0 | 0 | 0 | 10 |
1966 | 2 | 3 | 1 | 0 | 0 | 0 | 6 |
1967 | 5 | 4 | 5 | 1 | 0 | 0 | 15 |
1968 | 1 | 5 | 3 | 0 | 0 | 0 | 9 |
1969 | 3 | 8 | 1 | 2 | 0 | 0 | 14 |
1970 | 5 | 4 | 6 | 2 | 0 | 0 | 17 |
1971 | 2 | 5 | 3 | 2 | 0 | 0 | 12 |
1972 | 2 | 6 | 3 | 0 | 0 | 0 | 11 |
1973 | 12 | 12 | 2 | 2 | 0 | 0 | 28 |
1974 | 4 | 15 | 10 | 5 | 0 | 0 | 34 |
1975 | 8 | 19 | 8 | 0 | 0 | 0 | 35 |
1976 | 2 | 3 | 4 | 0 | 0 | 0 | 9 |
1977 | 5 | 7 | 3 | 1 | 0 | 0 | 17 |
1978 | 3 | 6 | 0 | 0 | 0 | 0 | 10 |
1979 | 2 | 2 | 3 | 0 | 0 | 0 | 7 |
1980 | 0 | 9 | 2 | 0 | 0 | 0 | 11 |
1981 | 2 | 2 | 4 | 1 | 0 | 0 | 9 |
1982 | 3 | 9 | 5 | 1 | 0 | 0 | 18 |
1983 | 13 | 9 | 3 | 9 | 0 | 0 | 34 |
1984 | 4 | 3 | 0 | 1 | 0 | 0 | 8 |
1985 | 0 | 4 | 0 | 0 | 0 | 0 | 4 |
1986 | 1 | 0 | 0 | 0 | 0 | 0 | 1 |
1987 | 5 | 7 | 0 | 0 | 0 | 0 | 12 |
1988 | 9 | 10 | 0 | 0 | 0 | 0 | 19 |
1989 | 1 | 15 | 2 | 0 | 0 | 0 | 18 |
1990 | 8 | 11 | 0 | 0 | 0 | 0 | 19 |
1991 | 9 | 7 | 2 | 0 | 0 | 0 | 18 |
1992 | 13 | 19 | 8 | 1 | 0 | 0 | 41 |
1993 | 4 | 1 | 1 | 0 | 0 | 0 | 6 |
1994 | 1 | 5 | 1 | 0 | 0 | 0 | 7 |
1995 | 12 | 11 | 0 | 0 | 0 | 0 | 23 |
Total | 156 | 266 | 111 | 39 | 4 | 0 | 579 |
Notes:
Scale | Descriptor | Typical Wind Speeds |
F0 | Gale Tornado | 40-72 mph |
F1 | Moderate Tornado | 73-112 mph |
F2 | Significant Tornado | 113-157 mph |
F3 | Severe Tornado | 158-206 mph |
F4 | Devastating Tornado | 207-260 mph |
F5 | Incredible Tornado | 261-318 mph |
Source: Storm Data