10 to 12 on average
Most likely about 700 tornadoes affect tornado alley each year.
Tornadoes do not occur in Miami every year. Since 1950 Miami has had 27 tornadoes, which suggests an average of a little less than 1 tornado every 2 years.
Louisiana averages 38 tornadoes per year, but the number of tornadoes in any given year can vary significantly.
North Carolina averages 33 tornadoes per year.
Iowa averages 35 tornadoes every year.
On average over 1200 tornadoes hit the U.S. each year. Global statistics are not available.
Most likely about 700 tornadoes affect tornado alley each year.
Tornadoes do not hit Pittsburgh every year. There have been 11 recorded tornadoes in Pittsburgh since 1950, which works out to an average of one every five or six years.
Since 2000 there have been 53 tornadoes in Arizona.
Lincoln, Nebraska does not get tornadoes every year. Since official records began in 1950 there have been 5 recorded tornadoes in Lincoln, Nebraska in total.
an average of 20 tornadoes per year
It varies, but based on data from the past 30 years Nebraska averages 51 tornadoes per yer.
More than 51 tornadoes occur each year. That may be the annual average for a particular state. Hundreeds of tornadoes hit the United States alone every year.
There were 8 tornadoes in California in 2010.
Canada gets about 100 tornadoes per year.
There were 95 tornadoes in Kansas in 2012.
Missouri averages 46 tornadoes per year.