There have been many thousands of tornadoes in the United states.
This country averages over 1000 tornadoes every year.
Every state has had at least a few weak tornadoes.
All 50 states get tornadoes though they are rare in many of the states.
The U.S. averages about 1200 tornadoes per year.
There were 1692 confirmed tornadoes in the U.S. in 2011.
There were 102 tornadoes in Oklahoma in 2010.
yes tornadoes and dust devils are common in Africa
Tornadoes can occur on every continent except Antarctica, but they are most common in North America. Countries like the United States, Canada, Australia, and parts of Europe can experience tornadoes. Cities in Tornado Alley, such as Oklahoma City, Dallas, and Kansas City, are most susceptible to tornadoes in the United States.
1091 tornadoes have been confirmed in Georgia since 1970.
From 2010 to 2011 there were 47 tornadoes in Pennsylvania.
Far too many to list. There are many, many cities and towns in America that are not in a river's flood plain, or not in a particularly tornado-prone area.
In the years 2000-2010 there have been 13,817 tornadoes confirmed in the United States.
It is impossible to know as records are incomplete and many tornadoes were missed before the implementation of Doppler radar in the early 1990s. Since 1950, there have been nearly 57,000 recorded tornadoes in the U.S. as well as an unknown tens of thousands more that wen unrecorded.