There were 15,701 tornadoes in the U.S. in the years 2000-2011 with a preliminary count of 919 so far in 2012, bringing the total to 16,620. So far 2012 has probably had more tornadoes than the preliminary count indicates. So that figure will probably rise as some reports of minor tornadoes file in late.
So far the year 2004 has had the most confirmed tornadoes in the U.S. at 1,817.
Based on a preliminary count have been 36 tornadoes officially confirmed in Oklahoma so far this year as of May 31. However, there have been numerous reports of tornadoes on May 30 and 31 that have yet to be surveyed and confirmed, and the actual number of tornadoes from these days is not known.
It is not known what the upper limit is, though the record so far for a year is 1817 in the U.S. in 2004. Worldwide statistics are not known as many countries do not keep records of tornadoes.
Based on preliminary finindings, there have been 10 confirmed tornadoes in Ohio in 2014 as of July 9.
worldwide data is not available. Since 2000 there have been 16,818 recorded tornadoes in the U.S. Note that the figure for tornadoes so far in 2013 is only a preliminary estimate.
Yes. The U.S. has recorded over 1100 tornadoes so far in 2011. More tornadoes have occurred in other parts of the world.
Preliminary estimates show that there have been 1286 tornadoes so far in the U.S., though the actual number is probably lower. More tornadoes will probably occur before the end of the year.
Michigan averages around 13 tornadoes each year.
As of June 16 there is a preliminary count of 55 tornadoes in Oklahoma in 2013.
So far tornadoes have killed 80 people worldwide including 68 in the U.S.
There were 101 tornadoes in Tennessee in 2011 and so far at least 22 in 2012.
Generally, the highest number of tornadoes in the U.S. occur on the Great Plains, so much so that the region is sometimes called Tornado Alley. The region experiences as many as 800 tornadoes per year.