The states states fit this criterion based on tornado data averaged from the years 1991-2011 are:
South Dakota (35 tornadoes per year)
North Dakota (34)
North Carolina (33)
Georgia (31)
Tennessee (29)
South Carolina (27)
Wisconsin (25)
Indiana (24)
Kentucky (22)
Note that these are only averages, and the number of tornadoes in a state from year to year can vary greatly.
The United States averages about 1200 tornadoes per year, which would work out to about 3600 tornadoes in an average 3-year period.
united states
Texas, Oklahoma, Kansas, and Florida have the highest average number of tornadoes per year.
The following states have averaged 11-20 tornadoes per year* over the past 30 years: Indiana (20 tornadoes per year) Michigan (17) Ohio (17) Kentucky (17) Pennsylvania (15) Virgina (14) Wyoming (12) *note that these figures only represent means. The actual number of tornadoes in a state in any given year can vary significantly.
Tennessee averages about 30 tornadoes per year.
Texas with 147 tornadoes per year
Worldwide figures are not available, but the United States averages about 1200 tornadoes per year.
The United States averages about 1200 tornadoes per year, which would work out to about 3600 tornadoes in an average 3-year period.
It is unknown as most countries to not keep records of their tornadoes. The United States averages between 1,200 and 1,300 tornadoes per year.
united states
Texas, Oklahoma, Kansas, and Florida have the highest average number of tornadoes per year.
Florida and Kansas.
The following states have averaged 11-20 tornadoes per year* over the past 30 years: Indiana (20 tornadoes per year) Michigan (17) Ohio (17) Kentucky (17) Pennsylvania (15) Virgina (14) Wyoming (12) *note that these figures only represent means. The actual number of tornadoes in a state in any given year can vary significantly.
Tennessee averages about 30 tornadoes per year.
Michigan averages 18 tornadoes per year.
The United States, with an average of between 1,200 and 1,300 tornadoes per year.
About 30 tornadoes per year.