KNTV NBC Nightly News With Lester Holt December 12, 2021 23:41:00
>> all right. morgan, thank you. the tornado that hit here in mayfield may have torn across more land than any other tornado ever in this country. at least 200 miles maybe more. scientists are on the ground tracing its path but there are questions tonight about why such a big tornado outbreak happened so late in the season. >> reporter: tonight scientists working to understand this monster tornado. we slowed down and froze the video so you can get a better look at how huge it was, here lit up by lightning. just one of many rare and powerful december twisters that ripped through six states ac...
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