To be honest I'm not even sure I understand what Washington Post guy is actually claiming. He seems to contradict himself in the article.
But Bart's quote does seem to be a more or less accurate paraphrase of both the title of the WaPo article and this from within it:
$1:
While we still have several days to go in 2018, and some severe weather is likely across the South to close it out, odds favor the country making it the rest of the way without a violent tornado.
If and when that happens, it will be the first time since the modern record began in 1950.