Geoscience Reference
In-Depth Information
A
B
C
Figure 9.32
Tornado characteristics in the United States. (A) Frequency of tornadoes (per 26,000 km
2
) in the United States, 1953
to 1980. (B) Monthly average number of tornadoes (1990 to 1998). (C) Monthly averages of resulting deaths (1966 to 1995).
Sources
: (A) From NOAA (1982). (B) and (C) After NOAA - Storm Prediction Center.
