CNN Erin Burnett OutFront May 22, 2013 03:56:00
When the tornado touched down on monday, it caught a lot of people off guard. mostly, because there's been a real lull in tornadoes. they say you think usually cool conditions cut tornado activity by depriving moist, warm air that they need to feel tornadoes. but, yet, even with fewer storms, america still has the bulk of the world's tornado activity. it brings me to tonight's number. 75%. that's the percent of tornadoes that occur in this country every year. the u.s. averages between 800 and a thousand tornadoes. ja bpan is the second country o that list and they only get 100. but why? it's a...
Source: archive.org