Twin Tornadoes: 'This Probably Happens More Often Than We K**w'

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Twin Tornadoes: 'This Probably Happens More Often Than We K**w'
http://rack.0.mshcdn.com/media/ZgkyMDE0LzA2LzE3L2FlLzZfMTdfMTRfYW5kLjRmYzMyLmpwZw pwCXRodW1iCTU3NXgzMjMjCmUJanBn/e5e05f9d/61b/6_17_14_andrew_twintornadoe***plainer.jpghttp://rack.3.mshcdn.com/assets/feed-tw-df3e816c4e85a109d6e247013aed8d66.jpg (http://twitter.com/share?via=Mashable&text=Twin+Tornadoes%3A+%27This+Probably+Happens+Mo re+Often+Than+We+K**w%27&src=http%3A%2F%2Fmashable.com%2F2014%2F06%2F17%2Ft he-science-behind-the-twin-tornadoes-in-nebraska%2F%3Futm_campaign%3DMash-Prod-RSS-Feedburner-All-Partial%26utm_cid%3DMash-Prod-RSS-Feedburner-All-Partial%26utm_medium%3Dfeed%26utm_source%3Drss)htt p://rack.1.mshcdn.com/assets/feed-fb-fdab25e3700868c9621fb03b7fd07c38.jpg (http://www.facebook.com/sharer.php?u=http%3A%2F%2Fmashable.com%2F2014%2F06 %2F17%2Fthe-science-behind-the-twin-tornadoes-in-nebraska%2F%3Futm_campaign%3DMash-Prod-RSS-Feedburner-All-Partial%26utm_cid%3DMash-Prod-RSS-Feedburner-All-Partial%26utm_medium%3Dfeed%26utm_source%3Drss&src=sp)
The twin tornadoes that leveled the small town (http://mashable.com/2014/06/17/twin-tornadoes-nebraska/?utm_campaign=&utm_context=textlink&utm_medium=rss&utm_source=) of Pilger, Nebraska on Monday, killing two and injuring nearly two dozen, were a horrifying, relatively rare phe**me**n. One of the twisters was rated an EF-4 on the Enhanced Fujita Tornado Damage Scale, with winds as high as 260 miles per hour

As strong and photogenic as they were, however, the tornadoes were **t anywhere close to unprecedented, based on an examination of tornado research and interviews with severe weather experts.

Tornadoes in general are uncommon and extraordinarily complex phe**mena, occurring between a few hundred to up to 2,000 times per year in the U.S. There are many things scientists still don’t k**w about tornadoes. For example, they still don’t k**w exactly why some severe, rotating thunderstorms, k**wn as supercells (http://mashable.com/2014/05/19/time-lapse-wyoming-mothership-thunderstorm/?utm_medium=feed&utm_source=rss), produce tornadoes while other nearly identical storms do **t Read more... (http://mashable.com/2014/06/17/the-science-behind-the-twin-tornadoes-in-nebraska/?utm_campaign=Mash-Prod-RSS-Feedburner-All-Partial&utm_cid=Mash-Prod-RSS-Feedburner-All-Partial&utm_medium=feed&utm_source=rss)

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