I believe coming out of a La Nina as we are is conducive to an enhanced threat of tornadoes. Aside from that, it's just one of those things where all the conditions have come together perfectly for a couple big outbreaks.
There have been many thousands of tornadoes in the United states. This country averages over 1000 tornadoes every year.
Tornadoes don't have names, hurricane do, though they are often referred to by the places they hit. Even then there are so many tornadoes that it would be impossible to list them. There have been tens of thousands of tornadoes.
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.
So far there have been 1560 tornadoes in the U.S. in 2011 (worldwide figures are not available. Since at least 90% of tornadoes are formed in supercells, that would mean there have been about 1400 supercell tornadoes in the U.S. in 2011.
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.
Based on preliminary finindings, there have been 10 confirmed tornadoes in Ohio in 2014 as of July 9.
So far there have been no tornadoes recorded in Alaska in 2011. In the past 60 years the state has only has 3 recorded tornadoes. All rated F0.
There were 102 tornadoes in Oklahoma in 2010.
yes tornadoes and dust devils are common in Africa
1091 tornadoes have been confirmed in Georgia since 1970.
From 2010 to 2011 there were 47 tornadoes in Pennsylvania.
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.