Tornado Country

PBS’s NOVA reports on tornadoes in the wake of the recent deadly storms that devastated Moore Oklahoma and surrounding areas. Why are almost three fourths of the world’s tornadoes located in the US? The unique climatologic and geographic conditions found in the North American midwest account for a great deal of it. The other reason, they offer, is many countries mis-report or don’t report these storms as tornadoes at all. Check it out.
http://www.pbs.org/wgbh/nova/earth/tornado-country.html