Severe Weather Climatology

An Example

Lake Charles, Louisiana

Tornado: Path Width by Year and Period of Record

This table shows the number of tornadoes that occurred each year in each path width category.

 Year   PW0   PW1   PW2   PW3   PW4   PW5   MSG   Total 
 1950  0 2 0 0 0 0 0 2
 1951  0 2 0 1 0 0 0 3
 1952  0 1 3 0 0 0 2 6
 1953  0 2 1 3 0 0 4 10
 1954  1 1 0 1 0 0 0 3
 1955  0 0 0 1 0 0 0 1
 1956  1 3 0 1 0 0 0 5
 1957  0 8 6 5 0 0 3 22
 1958  0 0 0 0 0 0 0 0
 1959  1 3 1 1 0 0 1 7
 1960  1 2 1 4 1 0 0 9
 1961  1 2 4 2 1 0 0 10
 1962  2 7 1 0 0 0 0 10
 1963  0 2 0 0 0 0 0 2
 1964  1 3 3 0 0 0 0 7
 1965  0 8 1 0 0 0 1 10
 1966  0 5 1 0 0 0 0 6
 1967  1 10 2 1 1 0 0 15
 1968  1 7 1 0 0 0 0 9
 1969  1 11 2 0 0 0 0 14
 1970  0 11 3 3 0 0 0 17
 1971  6 4 1 0 0 0 1 12
 1972  1 10 0 0 0 0 0 11
 1973  12 10 3 1 0 0 2 28
 1974  7 14 7 1 1 0 4 34
 1975  17 16 1 0 0 0 1 35
 1976  3 4 1 0 0 0 1 9
 1977  8 5 1 1 0 0 2 17
 1978  2 7 0 0 0 0 1 10
 1979  3 2 0 2 0 0 0 7
 1980  1 10 0 0 0 0 0 11
 1981  4 3 2 0 0 0 0 9
 1982  6 5 6 1 0 0 0 18
 1983  1 17 11 3 0 0 2 34
 1984  5 1 2 0 0 0 0 8
 1985  0 4 0 0 0 0 0 4
 1986  1 0 0 0 0 0 0 1
 1987  3 8 1 0 0 0 0 12
 1988  2 14 2 1 0 0 0 19
 1989  0 17 1 0 0 0 0 18
 1990  2 13 3 1 0 0 0 19
 1991  5 8 4 1 0 0 0 18
 1992  14 19 8 0 0 0 0 41
 1993  2 2 2 0 0 0 0 6
 1994  0 4 2 0 1 0 0 7
 1995  2 19 0 2 0 0 0 23
 Total  118 306 88 37 5 0 25 579

Notes:

  1. The column marked MSG shows the number of tornadoes that did not have a PW value.

Defintion of PW Scale

 Scale   Width (yards/miles) 
PW0 <17 yd
PW1 18-55 yd
PW2 56-175 yd
PW3 176-556 yd
PW4 0.34-0.9 mi
PW5 1.0-3.1 mi
PW6 3.2-9.9 mi

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